diff options
Diffstat (limited to 'drivers')
273 files changed, 4695 insertions, 1862 deletions
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index ef6f155469b..40a84cc6740 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -36,12 +36,11 @@ int register_acpi_bus_type(struct acpi_bus_type *type)  {  	if (acpi_disabled)  		return -ENODEV; -	if (type && type->bus && type->find_device) { +	if (type && type->match && type->find_device) {  		down_write(&bus_type_sem);  		list_add_tail(&type->list, &bus_type_list);  		up_write(&bus_type_sem); -		printk(KERN_INFO PREFIX "bus type %s registered\n", -		       type->bus->name); +		printk(KERN_INFO PREFIX "bus type %s registered\n", type->name);  		return 0;  	}  	return -ENODEV; @@ -56,24 +55,21 @@ int unregister_acpi_bus_type(struct acpi_bus_type *type)  		down_write(&bus_type_sem);  		list_del_init(&type->list);  		up_write(&bus_type_sem); -		printk(KERN_INFO PREFIX "ACPI bus type %s unregistered\n", -		       type->bus->name); +		printk(KERN_INFO PREFIX "bus type %s unregistered\n", +		       type->name);  		return 0;  	}  	return -ENODEV;  }  EXPORT_SYMBOL_GPL(unregister_acpi_bus_type); -static struct acpi_bus_type *acpi_get_bus_type(struct bus_type *type) +static struct acpi_bus_type *acpi_get_bus_type(struct device *dev)  {  	struct acpi_bus_type *tmp, *ret = NULL; -	if (!type) -		return NULL; -  	down_read(&bus_type_sem);  	list_for_each_entry(tmp, &bus_type_list, list) { -		if (tmp->bus == type) { +		if (tmp->match(dev)) {  			ret = tmp;  			break;  		} @@ -82,22 +78,6 @@ static struct acpi_bus_type *acpi_get_bus_type(struct bus_type *type)  	return ret;  } -static int acpi_find_bridge_device(struct device *dev, acpi_handle * handle) -{ -	struct acpi_bus_type *tmp; -	int ret = -ENODEV; - -	down_read(&bus_type_sem); -	list_for_each_entry(tmp, &bus_type_list, list) { -		if (tmp->find_bridge && !tmp->find_bridge(dev, handle)) { -			ret = 0; -			break; -		} -	} -	up_read(&bus_type_sem); -	return ret; -} -  static acpi_status do_acpi_find_child(acpi_handle handle, u32 lvl_not_used,  				      void *addr_p, void **ret_p)  { @@ -261,29 +241,12 @@ err:  static int acpi_platform_notify(struct device *dev)  { -	struct acpi_bus_type *type; +	struct acpi_bus_type *type = acpi_get_bus_type(dev);  	acpi_handle handle;  	int ret;  	ret = acpi_bind_one(dev, NULL); -	if (ret && (!dev->bus || !dev->parent)) { -		/* bridge devices genernally haven't bus or parent */ -		ret = acpi_find_bridge_device(dev, &handle); -		if (!ret) { -			ret = acpi_bind_one(dev, handle); -			if (ret) -				goto out; -		} -	} - -	type = acpi_get_bus_type(dev->bus); -	if (ret) { -		if (!type || !type->find_device) { -			DBG("No ACPI bus support for %s\n", dev_name(dev)); -			ret = -EINVAL; -			goto out; -		} - +	if (ret && type) {  		ret = type->find_device(dev, &handle);  		if (ret) {  			DBG("Unable to get handle for %s\n", dev_name(dev)); @@ -316,7 +279,7 @@ static int acpi_platform_notify_remove(struct device *dev)  {  	struct acpi_bus_type *type; -	type = acpi_get_bus_type(dev->bus); +	type = acpi_get_bus_type(dev);  	if (type && type->cleanup)  		type->cleanup(dev); diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index eff722278ff..164d49569ae 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -158,8 +158,7 @@ static int map_mat_entry(acpi_handle handle, int type, u32 acpi_id)  	}  exit: -	if (buffer.pointer) -		kfree(buffer.pointer); +	kfree(buffer.pointer);  	return apic_id;  } diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c index df34bd04ae6..bec717ffd25 100644 --- a/drivers/acpi/processor_driver.c +++ b/drivers/acpi/processor_driver.c @@ -559,7 +559,7 @@ static int __cpuinit acpi_processor_add(struct acpi_device *device)  		return 0;  #endif -	BUG_ON((pr->id >= nr_cpu_ids) || (pr->id < 0)); +	BUG_ON(pr->id >= nr_cpu_ids);  	/*  	 * Buggy BIOS check diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index 53e7ac9403a..e854582f29a 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -465,7 +465,7 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr)  	return result;  } -static int acpi_processor_get_performance_info(struct acpi_processor *pr) +int acpi_processor_get_performance_info(struct acpi_processor *pr)  {  	int result = 0;  	acpi_status status = AE_OK; @@ -509,7 +509,7 @@ static int acpi_processor_get_performance_info(struct acpi_processor *pr)  #endif  	return result;  } - +EXPORT_SYMBOL_GPL(acpi_processor_get_performance_info);  int acpi_processor_notify_smm(struct module *calling_module)  {  	acpi_status status; diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 6d3a06a629a..24213033fba 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -599,7 +599,6 @@ static void acpi_sleep_suspend_setup(void)  		status = acpi_get_sleep_type_data(i, &type_a, &type_b);  		if (ACPI_SUCCESS(status)) {  			sleep_states[i] = 1; -			pr_cont(" S%d", i);  		}  	} @@ -742,7 +741,6 @@ static void acpi_sleep_hibernate_setup(void)  	hibernation_set_ops(old_suspend_ordering ?  			&acpi_hibernation_ops_old : &acpi_hibernation_ops);  	sleep_states[ACPI_STATE_S4] = 1; -	pr_cont(KERN_CONT " S4");  	if (nosigcheck)  		return; @@ -788,6 +786,9 @@ int __init acpi_sleep_init(void)  {  	acpi_status status;  	u8 type_a, type_b; +	char supported[ACPI_S_STATE_COUNT * 3 + 1]; +	char *pos = supported; +	int i;  	if (acpi_disabled)  		return 0; @@ -795,7 +796,6 @@ int __init acpi_sleep_init(void)  	acpi_sleep_dmi_check();  	sleep_states[ACPI_STATE_S0] = 1; -	pr_info(PREFIX "(supports S0");  	acpi_sleep_suspend_setup();  	acpi_sleep_hibernate_setup(); @@ -803,11 +803,17 @@ int __init acpi_sleep_init(void)  	status = acpi_get_sleep_type_data(ACPI_STATE_S5, &type_a, &type_b);  	if (ACPI_SUCCESS(status)) {  		sleep_states[ACPI_STATE_S5] = 1; -		pr_cont(" S5");  		pm_power_off_prepare = acpi_power_off_prepare;  		pm_power_off = acpi_power_off;  	} -	pr_cont(")\n"); + +	supported[0] = 0; +	for (i = 0; i < ACPI_S_STATE_COUNT; i++) { +		if (sleep_states[i]) +			pos += sprintf(pos, " S%d", i); +	} +	pr_info(PREFIX "(supports%s)\n", supported); +  	/*  	 * Register the tts_notifier to reboot notifier list so that the _TTS  	 * object can also be evaluated when the system enters S5. diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c index 0ea1018280b..beea3115577 100644 --- a/drivers/ata/libata-acpi.c +++ b/drivers/ata/libata-acpi.c @@ -1144,13 +1144,8 @@ static int ata_acpi_find_device(struct device *dev, acpi_handle *handle)  		return -ENODEV;  } -static int ata_acpi_find_dummy(struct device *dev, acpi_handle *handle) -{ -	return -ENODEV; -} -  static struct acpi_bus_type ata_acpi_bus = { -	.find_bridge = ata_acpi_find_dummy, +	.name = "ATA",  	.find_device = ata_acpi_find_device,  }; diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 2b7f77d3fcb..15beb500a4e 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -99,7 +99,6 @@ void device_pm_add(struct device *dev)  		dev_warn(dev, "parent %s should not be sleeping\n",  			dev_name(dev->parent));  	list_add_tail(&dev->power.entry, &dpm_list); -	dev_pm_qos_constraints_init(dev);  	mutex_unlock(&dpm_list_mtx);  } @@ -113,7 +112,6 @@ void device_pm_remove(struct device *dev)  		 dev->bus ? dev->bus->name : "No Bus", dev_name(dev));  	complete_all(&dev->power.completion);  	mutex_lock(&dpm_list_mtx); -	dev_pm_qos_constraints_destroy(dev);  	list_del_init(&dev->power.entry);  	mutex_unlock(&dpm_list_mtx);  	device_wakeup_disable(dev); diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h index b16686a0a5a..cfc3226ec49 100644 --- a/drivers/base/power/power.h +++ b/drivers/base/power/power.h @@ -4,7 +4,7 @@ static inline void device_pm_init_common(struct device *dev)  {  	if (!dev->power.early_init) {  		spin_lock_init(&dev->power.lock); -		dev->power.power_state = PMSG_INVALID; +		dev->power.qos = NULL;  		dev->power.early_init = true;  	}  } @@ -56,14 +56,10 @@ extern void device_pm_move_last(struct device *);  static inline void device_pm_sleep_init(struct device *dev) {} -static inline void device_pm_add(struct device *dev) -{ -	dev_pm_qos_constraints_init(dev); -} +static inline void device_pm_add(struct device *dev) {}  static inline void device_pm_remove(struct device *dev)  { -	dev_pm_qos_constraints_destroy(dev);  	pm_runtime_remove(dev);  } diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c index 3d4d1f8aac5..5f74587ef25 100644 --- a/drivers/base/power/qos.c +++ b/drivers/base/power/qos.c @@ -41,6 +41,7 @@  #include <linux/mutex.h>  #include <linux/export.h>  #include <linux/pm_runtime.h> +#include <linux/err.h>  #include "power.h" @@ -61,7 +62,7 @@ enum pm_qos_flags_status __dev_pm_qos_flags(struct device *dev, s32 mask)  	struct pm_qos_flags *pqf;  	s32 val; -	if (!qos) +	if (IS_ERR_OR_NULL(qos))  		return PM_QOS_FLAGS_UNDEFINED;  	pqf = &qos->flags; @@ -101,7 +102,8 @@ EXPORT_SYMBOL_GPL(dev_pm_qos_flags);   */  s32 __dev_pm_qos_read_value(struct device *dev)  { -	return dev->power.qos ? pm_qos_read_value(&dev->power.qos->latency) : 0; +	return IS_ERR_OR_NULL(dev->power.qos) ? +		0 : pm_qos_read_value(&dev->power.qos->latency);  }  /** @@ -198,20 +200,8 @@ static int dev_pm_qos_constraints_allocate(struct device *dev)  	return 0;  } -/** - * dev_pm_qos_constraints_init - Initalize device's PM QoS constraints pointer. - * @dev: target device - * - * Called from the device PM subsystem during device insertion under - * device_pm_lock(). - */ -void dev_pm_qos_constraints_init(struct device *dev) -{ -	mutex_lock(&dev_pm_qos_mtx); -	dev->power.qos = NULL; -	dev->power.power_state = PMSG_ON; -	mutex_unlock(&dev_pm_qos_mtx); -} +static void __dev_pm_qos_hide_latency_limit(struct device *dev); +static void __dev_pm_qos_hide_flags(struct device *dev);  /**   * dev_pm_qos_constraints_destroy @@ -226,16 +216,15 @@ void dev_pm_qos_constraints_destroy(struct device *dev)  	struct pm_qos_constraints *c;  	struct pm_qos_flags *f; +	mutex_lock(&dev_pm_qos_mtx); +  	/*  	 * If the device's PM QoS resume latency limit or PM QoS flags have been  	 * exposed to user space, they have to be hidden at this point.  	 */ -	dev_pm_qos_hide_latency_limit(dev); -	dev_pm_qos_hide_flags(dev); +	__dev_pm_qos_hide_latency_limit(dev); +	__dev_pm_qos_hide_flags(dev); -	mutex_lock(&dev_pm_qos_mtx); - -	dev->power.power_state = PMSG_INVALID;  	qos = dev->power.qos;  	if (!qos)  		goto out; @@ -257,7 +246,7 @@ void dev_pm_qos_constraints_destroy(struct device *dev)  	}  	spin_lock_irq(&dev->power.lock); -	dev->power.qos = NULL; +	dev->power.qos = ERR_PTR(-ENODEV);  	spin_unlock_irq(&dev->power.lock);  	kfree(c->notifiers); @@ -301,32 +290,19 @@ int dev_pm_qos_add_request(struct device *dev, struct dev_pm_qos_request *req,  		 "%s() called for already added request\n", __func__))  		return -EINVAL; -	req->dev = dev; -  	mutex_lock(&dev_pm_qos_mtx); -	if (!dev->power.qos) { -		if (dev->power.power_state.event == PM_EVENT_INVALID) { -			/* The device has been removed from the system. */ -			req->dev = NULL; -			ret = -ENODEV; -			goto out; -		} else { -			/* -			 * Allocate the constraints data on the first call to -			 * add_request, i.e. only if the data is not already -			 * allocated and if the device has not been removed. -			 */ -			ret = dev_pm_qos_constraints_allocate(dev); -		} -	} +	if (IS_ERR(dev->power.qos)) +		ret = -ENODEV; +	else if (!dev->power.qos) +		ret = dev_pm_qos_constraints_allocate(dev);  	if (!ret) { +		req->dev = dev;  		req->type = type;  		ret = apply_constraint(req, PM_QOS_ADD_REQ, value);  	} - out:  	mutex_unlock(&dev_pm_qos_mtx);  	return ret; @@ -344,7 +320,14 @@ static int __dev_pm_qos_update_request(struct dev_pm_qos_request *req,  	s32 curr_value;  	int ret = 0; -	if (!req->dev->power.qos) +	if (!req) /*guard against callers passing in null */ +		return -EINVAL; + +	if (WARN(!dev_pm_qos_request_active(req), +		 "%s() called for unknown object\n", __func__)) +		return -EINVAL; + +	if (IS_ERR_OR_NULL(req->dev->power.qos))  		return -ENODEV;  	switch(req->type) { @@ -386,6 +369,17 @@ int dev_pm_qos_update_request(struct dev_pm_qos_request *req, s32 new_value)  {  	int ret; +	mutex_lock(&dev_pm_qos_mtx); +	ret = __dev_pm_qos_update_request(req, new_value); +	mutex_unlock(&dev_pm_qos_mtx); +	return ret; +} +EXPORT_SYMBOL_GPL(dev_pm_qos_update_request); + +static int __dev_pm_qos_remove_request(struct dev_pm_qos_request *req) +{ +	int ret; +  	if (!req) /*guard against callers passing in null */  		return -EINVAL; @@ -393,13 +387,13 @@ int dev_pm_qos_update_request(struct dev_pm_qos_request *req, s32 new_value)  		 "%s() called for unknown object\n", __func__))  		return -EINVAL; -	mutex_lock(&dev_pm_qos_mtx); -	ret = __dev_pm_qos_update_request(req, new_value); -	mutex_unlock(&dev_pm_qos_mtx); +	if (IS_ERR_OR_NULL(req->dev->power.qos)) +		return -ENODEV; +	ret = apply_constraint(req, PM_QOS_REMOVE_REQ, PM_QOS_DEFAULT_VALUE); +	memset(req, 0, sizeof(*req));  	return ret;  } -EXPORT_SYMBOL_GPL(dev_pm_qos_update_request);  /**   * dev_pm_qos_remove_request - modifies an existing qos request @@ -418,26 +412,10 @@ EXPORT_SYMBOL_GPL(dev_pm_qos_update_request);   */  int dev_pm_qos_remove_request(struct dev_pm_qos_request *req)  { -	int ret = 0; - -	if (!req) /*guard against callers passing in null */ -		return -EINVAL; - -	if (WARN(!dev_pm_qos_request_active(req), -		 "%s() called for unknown object\n", __func__)) -		return -EINVAL; +	int ret;  	mutex_lock(&dev_pm_qos_mtx); - -	if (req->dev->power.qos) { -		ret = apply_constraint(req, PM_QOS_REMOVE_REQ, -				       PM_QOS_DEFAULT_VALUE); -		memset(req, 0, sizeof(*req)); -	} else { -		/* Return if the device has been removed */ -		ret = -ENODEV; -	} - +	ret = __dev_pm_qos_remove_request(req);  	mutex_unlock(&dev_pm_qos_mtx);  	return ret;  } @@ -462,9 +440,10 @@ int dev_pm_qos_add_notifier(struct device *dev, struct notifier_block *notifier)  	mutex_lock(&dev_pm_qos_mtx); -	if (!dev->power.qos) -		ret = dev->power.power_state.event != PM_EVENT_INVALID ? -			dev_pm_qos_constraints_allocate(dev) : -ENODEV; +	if (IS_ERR(dev->power.qos)) +		ret = -ENODEV; +	else if (!dev->power.qos) +		ret = dev_pm_qos_constraints_allocate(dev);  	if (!ret)  		ret = blocking_notifier_chain_register( @@ -493,7 +472,7 @@ int dev_pm_qos_remove_notifier(struct device *dev,  	mutex_lock(&dev_pm_qos_mtx);  	/* Silently return if the constraints object is not present. */ -	if (dev->power.qos) +	if (!IS_ERR_OR_NULL(dev->power.qos))  		retval = blocking_notifier_chain_unregister(  				dev->power.qos->latency.notifiers,  				notifier); @@ -563,16 +542,20 @@ EXPORT_SYMBOL_GPL(dev_pm_qos_add_ancestor_request);  static void __dev_pm_qos_drop_user_request(struct device *dev,  					   enum dev_pm_qos_req_type type)  { +	struct dev_pm_qos_request *req = NULL; +  	switch(type) {  	case DEV_PM_QOS_LATENCY: -		dev_pm_qos_remove_request(dev->power.qos->latency_req); +		req = dev->power.qos->latency_req;  		dev->power.qos->latency_req = NULL;  		break;  	case DEV_PM_QOS_FLAGS: -		dev_pm_qos_remove_request(dev->power.qos->flags_req); +		req = dev->power.qos->flags_req;  		dev->power.qos->flags_req = NULL;  		break;  	} +	__dev_pm_qos_remove_request(req); +	kfree(req);  }  /** @@ -588,36 +571,57 @@ int dev_pm_qos_expose_latency_limit(struct device *dev, s32 value)  	if (!device_is_registered(dev) || value < 0)  		return -EINVAL; -	if (dev->power.qos && dev->power.qos->latency_req) -		return -EEXIST; -  	req = kzalloc(sizeof(*req), GFP_KERNEL);  	if (!req)  		return -ENOMEM;  	ret = dev_pm_qos_add_request(dev, req, DEV_PM_QOS_LATENCY, value); -	if (ret < 0) +	if (ret < 0) { +		kfree(req);  		return ret; +	} + +	mutex_lock(&dev_pm_qos_mtx); + +	if (IS_ERR_OR_NULL(dev->power.qos)) +		ret = -ENODEV; +	else if (dev->power.qos->latency_req) +		ret = -EEXIST; + +	if (ret < 0) { +		__dev_pm_qos_remove_request(req); +		kfree(req); +		goto out; +	}  	dev->power.qos->latency_req = req;  	ret = pm_qos_sysfs_add_latency(dev);  	if (ret)  		__dev_pm_qos_drop_user_request(dev, DEV_PM_QOS_LATENCY); + out: +	mutex_unlock(&dev_pm_qos_mtx);  	return ret;  }  EXPORT_SYMBOL_GPL(dev_pm_qos_expose_latency_limit); +static void __dev_pm_qos_hide_latency_limit(struct device *dev) +{ +	if (!IS_ERR_OR_NULL(dev->power.qos) && dev->power.qos->latency_req) { +		pm_qos_sysfs_remove_latency(dev); +		__dev_pm_qos_drop_user_request(dev, DEV_PM_QOS_LATENCY); +	} +} +  /**   * dev_pm_qos_hide_latency_limit - Hide PM QoS latency limit from user space.   * @dev: Device whose PM QoS latency limit is to be hidden from user space.   */  void dev_pm_qos_hide_latency_limit(struct device *dev)  { -	if (dev->power.qos && dev->power.qos->latency_req) { -		pm_qos_sysfs_remove_latency(dev); -		__dev_pm_qos_drop_user_request(dev, DEV_PM_QOS_LATENCY); -	} +	mutex_lock(&dev_pm_qos_mtx); +	__dev_pm_qos_hide_latency_limit(dev); +	mutex_unlock(&dev_pm_qos_mtx);  }  EXPORT_SYMBOL_GPL(dev_pm_qos_hide_latency_limit); @@ -634,41 +638,61 @@ int dev_pm_qos_expose_flags(struct device *dev, s32 val)  	if (!device_is_registered(dev))  		return -EINVAL; -	if (dev->power.qos && dev->power.qos->flags_req) -		return -EEXIST; -  	req = kzalloc(sizeof(*req), GFP_KERNEL);  	if (!req)  		return -ENOMEM; -	pm_runtime_get_sync(dev);  	ret = dev_pm_qos_add_request(dev, req, DEV_PM_QOS_FLAGS, val); -	if (ret < 0) -		goto fail; +	if (ret < 0) { +		kfree(req); +		return ret; +	} + +	pm_runtime_get_sync(dev); +	mutex_lock(&dev_pm_qos_mtx); + +	if (IS_ERR_OR_NULL(dev->power.qos)) +		ret = -ENODEV; +	else if (dev->power.qos->flags_req) +		ret = -EEXIST; + +	if (ret < 0) { +		__dev_pm_qos_remove_request(req); +		kfree(req); +		goto out; +	}  	dev->power.qos->flags_req = req;  	ret = pm_qos_sysfs_add_flags(dev);  	if (ret)  		__dev_pm_qos_drop_user_request(dev, DEV_PM_QOS_FLAGS); -fail: + out: +	mutex_unlock(&dev_pm_qos_mtx);  	pm_runtime_put(dev);  	return ret;  }  EXPORT_SYMBOL_GPL(dev_pm_qos_expose_flags); +static void __dev_pm_qos_hide_flags(struct device *dev) +{ +	if (!IS_ERR_OR_NULL(dev->power.qos) && dev->power.qos->flags_req) { +		pm_qos_sysfs_remove_flags(dev); +		__dev_pm_qos_drop_user_request(dev, DEV_PM_QOS_FLAGS); +	} +} +  /**   * dev_pm_qos_hide_flags - Hide PM QoS flags of a device from user space.   * @dev: Device whose PM QoS flags are to be hidden from user space.   */  void dev_pm_qos_hide_flags(struct device *dev)  { -	if (dev->power.qos && dev->power.qos->flags_req) { -		pm_qos_sysfs_remove_flags(dev); -		pm_runtime_get_sync(dev); -		__dev_pm_qos_drop_user_request(dev, DEV_PM_QOS_FLAGS); -		pm_runtime_put(dev); -	} +	pm_runtime_get_sync(dev); +	mutex_lock(&dev_pm_qos_mtx); +	__dev_pm_qos_hide_flags(dev); +	mutex_unlock(&dev_pm_qos_mtx); +	pm_runtime_put(dev);  }  EXPORT_SYMBOL_GPL(dev_pm_qos_hide_flags); @@ -683,12 +707,14 @@ int dev_pm_qos_update_flags(struct device *dev, s32 mask, bool set)  	s32 value;  	int ret; -	if (!dev->power.qos || !dev->power.qos->flags_req) -		return -EINVAL; -  	pm_runtime_get_sync(dev);  	mutex_lock(&dev_pm_qos_mtx); +	if (IS_ERR_OR_NULL(dev->power.qos) || !dev->power.qos->flags_req) { +		ret = -EINVAL; +		goto out; +	} +  	value = dev_pm_qos_requested_flags(dev);  	if (set)  		value |= mask; @@ -697,9 +723,12 @@ int dev_pm_qos_update_flags(struct device *dev, s32 mask, bool set)  	ret = __dev_pm_qos_update_request(dev->power.qos->flags_req, value); + out:  	mutex_unlock(&dev_pm_qos_mtx);  	pm_runtime_put(dev); -  	return ret;  } +#else /* !CONFIG_PM_RUNTIME */ +static void __dev_pm_qos_hide_latency_limit(struct device *dev) {} +static void __dev_pm_qos_hide_flags(struct device *dev) {}  #endif /* CONFIG_PM_RUNTIME */ diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c index 50d16e3cb0a..a53ebd26570 100644 --- a/drivers/base/power/sysfs.c +++ b/drivers/base/power/sysfs.c @@ -708,6 +708,7 @@ void rpm_sysfs_remove(struct device *dev)  void dpm_sysfs_remove(struct device *dev)  { +	dev_pm_qos_constraints_destroy(dev);  	rpm_sysfs_remove(dev);  	sysfs_unmerge_group(&dev->kobj, &pm_wakeup_attr_group);  	sysfs_remove_group(&dev->kobj, &pm_attr_group); diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c index 4706c63d0bc..020ea2b9fd2 100644 --- a/drivers/base/regmap/regmap-irq.c +++ b/drivers/base/regmap/regmap-irq.c @@ -184,6 +184,7 @@ static irqreturn_t regmap_irq_thread(int irq, void *d)  		if (ret < 0) {  			dev_err(map->dev, "IRQ thread failed to resume: %d\n",  				ret); +			pm_runtime_put(map->dev);  			return IRQ_NONE;  		}  	} diff --git a/drivers/bcma/driver_pci_host.c b/drivers/bcma/driver_pci_host.c index d3bde6cec92..30629a3d44c 100644 --- a/drivers/bcma/driver_pci_host.c +++ b/drivers/bcma/driver_pci_host.c @@ -404,6 +404,8 @@ void bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc)  		return;  	} +	spin_lock_init(&pc_host->cfgspace_lock); +  	pc->host_controller = pc_host;  	pc_host->pci_controller.io_resource = &pc_host->io_resource;  	pc_host->pci_controller.mem_resource = &pc_host->mem_resource; diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c index 1bafb40ec8a..69ae5972713 100644 --- a/drivers/char/hw_random/core.c +++ b/drivers/char/hw_random/core.c @@ -40,6 +40,7 @@  #include <linux/init.h>  #include <linux/miscdevice.h>  #include <linux/delay.h> +#include <linux/slab.h>  #include <asm/uaccess.h> @@ -52,8 +53,12 @@ static struct hwrng *current_rng;  static LIST_HEAD(rng_list);  static DEFINE_MUTEX(rng_mutex);  static int data_avail; -static u8 rng_buffer[SMP_CACHE_BYTES < 32 ? 32 : SMP_CACHE_BYTES] -	__cacheline_aligned; +static u8 *rng_buffer; + +static size_t rng_buffer_size(void) +{ +	return SMP_CACHE_BYTES < 32 ? 32 : SMP_CACHE_BYTES; +}  static inline int hwrng_init(struct hwrng *rng)  { @@ -116,7 +121,7 @@ static ssize_t rng_dev_read(struct file *filp, char __user *buf,  		if (!data_avail) {  			bytes_read = rng_get_data(current_rng, rng_buffer, -				sizeof(rng_buffer), +				rng_buffer_size(),  				!(filp->f_flags & O_NONBLOCK));  			if (bytes_read < 0) {  				err = bytes_read; @@ -307,6 +312,14 @@ int hwrng_register(struct hwrng *rng)  	mutex_lock(&rng_mutex); +	/* kmalloc makes this safe for virt_to_page() in virtio_rng.c */ +	err = -ENOMEM; +	if (!rng_buffer) { +		rng_buffer = kmalloc(rng_buffer_size(), GFP_KERNEL); +		if (!rng_buffer) +			goto out_unlock; +	} +  	/* Must not register two RNGs with the same name. */  	err = -EEXIST;  	list_for_each_entry(tmp, &rng_list, list) { diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c index 10fd71ccf58..6bf4d47324e 100644 --- a/drivers/char/hw_random/virtio-rng.c +++ b/drivers/char/hw_random/virtio-rng.c @@ -92,14 +92,22 @@ static int probe_common(struct virtio_device *vdev)  {  	int err; +	if (vq) { +		/* We only support one device for now */ +		return -EBUSY; +	}  	/* We expect a single virtqueue. */  	vq = virtio_find_single_vq(vdev, random_recv_done, "input"); -	if (IS_ERR(vq)) -		return PTR_ERR(vq); +	if (IS_ERR(vq)) { +		err = PTR_ERR(vq); +		vq = NULL; +		return err; +	}  	err = hwrng_register(&virtio_hwrng);  	if (err) {  		vdev->config->del_vqs(vdev); +		vq = NULL;  		return err;  	} @@ -112,6 +120,7 @@ static void remove_common(struct virtio_device *vdev)  	busy = false;  	hwrng_unregister(&virtio_hwrng);  	vdev->config->del_vqs(vdev); +	vq = NULL;  }  static int virtrng_probe(struct virtio_device *vdev) diff --git a/drivers/char/random.c b/drivers/char/random.c index 594bda9dcfc..32a6c576495 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -852,6 +852,7 @@ static size_t account(struct entropy_store *r, size_t nbytes, int min,  		      int reserved)  {  	unsigned long flags; +	int wakeup_write = 0;  	/* Hold lock while accounting */  	spin_lock_irqsave(&r->lock, flags); @@ -873,10 +874,8 @@ static size_t account(struct entropy_store *r, size_t nbytes, int min,  		else  			r->entropy_count = reserved; -		if (r->entropy_count < random_write_wakeup_thresh) { -			wake_up_interruptible(&random_write_wait); -			kill_fasync(&fasync, SIGIO, POLL_OUT); -		} +		if (r->entropy_count < random_write_wakeup_thresh) +			wakeup_write = 1;  	}  	DEBUG_ENT("debiting %zu entropy credits from %s%s\n", @@ -884,6 +883,11 @@ static size_t account(struct entropy_store *r, size_t nbytes, int min,  	spin_unlock_irqrestore(&r->lock, flags); +	if (wakeup_write) { +		wake_up_interruptible(&random_write_wait); +		kill_fasync(&fasync, SIGIO, POLL_OUT); +	} +  	return nbytes;  } diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c index fa3173e3b33..b92d48be4cc 100644 --- a/drivers/clk/tegra/clk-tegra20.c +++ b/drivers/clk/tegra/clk-tegra20.c @@ -1260,7 +1260,6 @@ static struct tegra_clk_duplicate tegra_clk_duplicates[] = {  	TEGRA_CLK_DUPLICATE(usbd,   "tegra-ehci.0", NULL),  	TEGRA_CLK_DUPLICATE(usbd,   "tegra-otg",    NULL),  	TEGRA_CLK_DUPLICATE(cclk,   NULL,           "cpu"), -	TEGRA_CLK_DUPLICATE(twd,    "smp_twd",      NULL),  	TEGRA_CLK_DUPLICATE(clk_max, NULL, NULL), /* Must be the last entry */  }; diff --git a/drivers/clk/tegra/clk-tegra30.c b/drivers/clk/tegra/clk-tegra30.c index 32c61cb6d0b..ba6f51bc9f3 100644 --- a/drivers/clk/tegra/clk-tegra30.c +++ b/drivers/clk/tegra/clk-tegra30.c @@ -1931,7 +1931,6 @@ static struct tegra_clk_duplicate tegra_clk_duplicates[] = {  	TEGRA_CLK_DUPLICATE(cml1, "tegra_sata_cml", NULL),  	TEGRA_CLK_DUPLICATE(cml0, "tegra_pcie", "cml"),  	TEGRA_CLK_DUPLICATE(pciex, "tegra_pcie", "pciex"), -	TEGRA_CLK_DUPLICATE(twd, "smp_twd", NULL),  	TEGRA_CLK_DUPLICATE(vcp, "nvavp", "vcp"),  	TEGRA_CLK_DUPLICATE(clk_max, NULL, NULL), /* MUST be the last entry */  }; diff --git a/drivers/clocksource/bcm2835_timer.c b/drivers/clocksource/bcm2835_timer.c index 50c68fef944..766611d2994 100644 --- a/drivers/clocksource/bcm2835_timer.c +++ b/drivers/clocksource/bcm2835_timer.c @@ -95,23 +95,13 @@ static irqreturn_t bcm2835_time_interrupt(int irq, void *dev_id)  	}  } -static struct of_device_id bcm2835_time_match[] __initconst = { -	{ .compatible = "brcm,bcm2835-system-timer" }, -	{} -}; - -static void __init bcm2835_timer_init(void) +static void __init bcm2835_timer_init(struct device_node *node)  { -	struct device_node *node;  	void __iomem *base;  	u32 freq;  	int irq;  	struct bcm2835_timer *timer; -	node = of_find_matching_node(NULL, bcm2835_time_match); -	if (!node) -		panic("No bcm2835 timer node"); -  	base = of_iomap(node, 0);  	if (!base)  		panic("Can't remap registers"); diff --git a/drivers/clocksource/clksrc-of.c b/drivers/clocksource/clksrc-of.c index bdabdaa8d00..3ef11fba781 100644 --- a/drivers/clocksource/clksrc-of.c +++ b/drivers/clocksource/clksrc-of.c @@ -26,10 +26,10 @@ void __init clocksource_of_init(void)  {  	struct device_node *np;  	const struct of_device_id *match; -	void (*init_func)(void); +	void (*init_func)(struct device_node *);  	for_each_matching_node_and_match(np, __clksrc_of_table, &match) {  		init_func = match->data; -		init_func(); +		init_func(np);  	}  } diff --git a/drivers/clocksource/tegra20_timer.c b/drivers/clocksource/tegra20_timer.c index bc4b8ad78ae..ae877b021b5 100644 --- a/drivers/clocksource/tegra20_timer.c +++ b/drivers/clocksource/tegra20_timer.c @@ -154,29 +154,12 @@ static struct irqaction tegra_timer_irq = {  	.dev_id		= &tegra_clockevent,  }; -static const struct of_device_id timer_match[] __initconst = { -	{ .compatible = "nvidia,tegra20-timer" }, -	{} -}; - -static const struct of_device_id rtc_match[] __initconst = { -	{ .compatible = "nvidia,tegra20-rtc" }, -	{} -}; - -static void __init tegra20_init_timer(void) +static void __init tegra20_init_timer(struct device_node *np)  { -	struct device_node *np;  	struct clk *clk;  	unsigned long rate;  	int ret; -	np = of_find_matching_node(NULL, timer_match); -	if (!np) { -		pr_err("Failed to find timer DT node\n"); -		BUG(); -	} -  	timer_reg_base = of_iomap(np, 0);  	if (!timer_reg_base) {  		pr_err("Can't map timer registers\n"); @@ -200,30 +183,6 @@ static void __init tegra20_init_timer(void)  	of_node_put(np); -	np = of_find_matching_node(NULL, rtc_match); -	if (!np) { -		pr_err("Failed to find RTC DT node\n"); -		BUG(); -	} - -	rtc_base = of_iomap(np, 0); -	if (!rtc_base) { -		pr_err("Can't map RTC registers"); -		BUG(); -	} - -	/* -	 * rtc registers are used by read_persistent_clock, keep the rtc clock -	 * enabled -	 */ -	clk = of_clk_get(np, 0); -	if (IS_ERR(clk)) -		pr_warn("Unable to get rtc-tegra clock\n"); -	else -		clk_prepare_enable(clk); - -	of_node_put(np); -  	switch (rate) {  	case 12000000:  		timer_writel(0x000b, TIMERUS_USEC_CFG); @@ -259,12 +218,34 @@ static void __init tegra20_init_timer(void)  	tegra_clockevent.irq = tegra_timer_irq.irq;  	clockevents_config_and_register(&tegra_clockevent, 1000000,  					0x1, 0x1fffffff); -#ifdef CONFIG_HAVE_ARM_TWD -	twd_local_timer_of_register(); -#endif +} +CLOCKSOURCE_OF_DECLARE(tegra20_timer, "nvidia,tegra20-timer", tegra20_init_timer); + +static void __init tegra20_init_rtc(struct device_node *np) +{ +	struct clk *clk; + +	rtc_base = of_iomap(np, 0); +	if (!rtc_base) { +		pr_err("Can't map RTC registers"); +		BUG(); +	} + +	/* +	 * rtc registers are used by read_persistent_clock, keep the rtc clock +	 * enabled +	 */ +	clk = of_clk_get(np, 0); +	if (IS_ERR(clk)) +		pr_warn("Unable to get rtc-tegra clock\n"); +	else +		clk_prepare_enable(clk); + +	of_node_put(np); +  	register_persistent_clock(NULL, tegra_read_persistent_clock);  } -CLOCKSOURCE_OF_DECLARE(tegra20, "nvidia,tegra20-timer", tegra20_init_timer); +CLOCKSOURCE_OF_DECLARE(tegra20_rtc, "nvidia,tegra20-rtc", tegra20_init_rtc);  #ifdef CONFIG_PM  static u32 usec_config; diff --git a/drivers/clocksource/vt8500_timer.c b/drivers/clocksource/vt8500_timer.c index 8efc86b5b5d..24225528559 100644 --- a/drivers/clocksource/vt8500_timer.c +++ b/drivers/clocksource/vt8500_timer.c @@ -129,22 +129,10 @@ static struct irqaction irq = {  	.dev_id  = &clockevent,  }; -static struct of_device_id vt8500_timer_ids[] = { -	{ .compatible = "via,vt8500-timer" }, -	{ } -}; - -static void __init vt8500_timer_init(void) +static void __init vt8500_timer_init(struct device_node *np)  { -	struct device_node *np;  	int timer_irq; -	np = of_find_matching_node(NULL, vt8500_timer_ids); -	if (!np) { -		pr_err("%s: Timer description missing from Device Tree\n", -								__func__); -		return; -	}  	regbase = of_iomap(np, 0);  	if (!regbase) {  		pr_err("%s: Missing iobase description in Device Tree\n", diff --git a/drivers/connector/cn_proc.c b/drivers/connector/cn_proc.c index fce2000eec3..1110478dd0f 100644 --- a/drivers/connector/cn_proc.c +++ b/drivers/connector/cn_proc.c @@ -313,6 +313,12 @@ static void cn_proc_mcast_ctl(struct cn_msg *msg,  	    (task_active_pid_ns(current) != &init_pid_ns))  		return; +	/* Can only change if privileged. */ +	if (!capable(CAP_NET_ADMIN)) { +		err = EPERM; +		goto out; +	} +  	mc_op = (enum proc_cn_mcast_op *)msg->data;  	switch (*mc_op) {  	case PROC_CN_MCAST_LISTEN: @@ -325,6 +331,8 @@ static void cn_proc_mcast_ctl(struct cn_msg *msg,  		err = EINVAL;  		break;  	} + +out:  	cn_proc_ack(err, msg->seq, msg->ack);  } diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h index d2ac9115060..46bde01eee6 100644 --- a/drivers/cpufreq/cpufreq_governor.h +++ b/drivers/cpufreq/cpufreq_governor.h @@ -64,7 +64,7 @@ static void *get_cpu_dbs_info_s(int cpu)				\   * dbs: used as a shortform for demand based switching It helps to keep variable   *	names smaller, simpler   * cdbs: common dbs - * on_*: On-demand governor + * od_*: On-demand governor   * cs_*: Conservative governor   */ diff --git a/drivers/cpufreq/highbank-cpufreq.c b/drivers/cpufreq/highbank-cpufreq.c index 66e3a71b81a..b61b5a3fad6 100644 --- a/drivers/cpufreq/highbank-cpufreq.c +++ b/drivers/cpufreq/highbank-cpufreq.c @@ -28,13 +28,7 @@  static int hb_voltage_change(unsigned int freq)  { -	int i; -	u32 msg[HB_CPUFREQ_IPC_LEN]; - -	msg[0] = HB_CPUFREQ_CHANGE_NOTE; -	msg[1] = freq / 1000000; -	for (i = 2; i < HB_CPUFREQ_IPC_LEN; i++) -		msg[i] = 0; +	u32 msg[HB_CPUFREQ_IPC_LEN] = {HB_CPUFREQ_CHANGE_NOTE, freq / 1000000};  	return pl320_ipc_transmit(msg);  } diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 096fde0ebcb..f6dd1e76112 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -662,6 +662,9 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy)  	cpu = all_cpu_data[policy->cpu]; +	if (!policy->cpuinfo.max_freq) +		return -ENODEV; +  	intel_pstate_get_min_max(cpu, &min, &max);  	limits.min_perf_pct = (policy->min * 100) / policy->cpuinfo.max_freq; @@ -747,37 +750,11 @@ static struct cpufreq_driver intel_pstate_driver = {  	.owner		= THIS_MODULE,  }; -static void intel_pstate_exit(void) -{ -	int cpu; - -	sysfs_remove_group(intel_pstate_kobject, -				&intel_pstate_attr_group); -	debugfs_remove_recursive(debugfs_parent); - -	cpufreq_unregister_driver(&intel_pstate_driver); - -	if (!all_cpu_data) -		return; - -	get_online_cpus(); -	for_each_online_cpu(cpu) { -		if (all_cpu_data[cpu]) { -			del_timer_sync(&all_cpu_data[cpu]->timer); -			kfree(all_cpu_data[cpu]); -		} -	} - -	put_online_cpus(); -	vfree(all_cpu_data); -} -module_exit(intel_pstate_exit); -  static int __initdata no_load;  static int __init intel_pstate_init(void)  { -	int rc = 0; +	int cpu, rc = 0;  	const struct x86_cpu_id *id;  	if (no_load) @@ -802,7 +779,16 @@ static int __init intel_pstate_init(void)  	intel_pstate_sysfs_expose_params();  	return rc;  out: -	intel_pstate_exit(); +	get_online_cpus(); +	for_each_online_cpu(cpu) { +		if (all_cpu_data[cpu]) { +			del_timer_sync(&all_cpu_data[cpu]->timer); +			kfree(all_cpu_data[cpu]); +		} +	} + +	put_online_cpus(); +	vfree(all_cpu_data);  	return -ENODEV;  }  device_initcall(intel_pstate_init); diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index 982f1f5f574..4cd392dbf11 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -442,7 +442,6 @@ static int __init dmi_present(const char __iomem *p)  static int __init smbios_present(const char __iomem *p)  {  	u8 buf[32]; -	int offset = 0;  	memcpy_fromio(buf, p, 32);  	if ((buf[5] < 32) && dmi_checksum(buf, buf[5])) { @@ -461,9 +460,9 @@ static int __init smbios_present(const char __iomem *p)  			dmi_ver = 0x0206;  			break;  		} -		offset = 16; +		return memcmp(p + 16, "_DMI_", 5) || dmi_present(p + 16);  	} -	return dmi_present(buf + offset); +	return 1;  }  void __init dmi_scan_machine(void) diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c index 7320bf89170..fe62aa39223 100644 --- a/drivers/firmware/efivars.c +++ b/drivers/firmware/efivars.c @@ -426,6 +426,44 @@ get_var_data(struct efivars *efivars, struct efi_variable *var)  	return status;  } +static efi_status_t +check_var_size_locked(struct efivars *efivars, u32 attributes, +			unsigned long size) +{ +	u64 storage_size, remaining_size, max_size; +	efi_status_t status; +	const struct efivar_operations *fops = efivars->ops; + +	if (!efivars->ops->query_variable_info) +		return EFI_UNSUPPORTED; + +	status = fops->query_variable_info(attributes, &storage_size, +					   &remaining_size, &max_size); + +	if (status != EFI_SUCCESS) +		return status; + +	if (!storage_size || size > remaining_size || size > max_size || +	    (remaining_size - size) < (storage_size / 2)) +		return EFI_OUT_OF_RESOURCES; + +	return status; +} + + +static efi_status_t +check_var_size(struct efivars *efivars, u32 attributes, unsigned long size) +{ +	efi_status_t status; +	unsigned long flags; + +	spin_lock_irqsave(&efivars->lock, flags); +	status = check_var_size_locked(efivars, attributes, size); +	spin_unlock_irqrestore(&efivars->lock, flags); + +	return status; +} +  static ssize_t  efivar_guid_read(struct efivar_entry *entry, char *buf)  { @@ -547,11 +585,16 @@ efivar_store_raw(struct efivar_entry *entry, const char *buf, size_t count)  	}  	spin_lock_irq(&efivars->lock); -	status = efivars->ops->set_variable(new_var->VariableName, -					    &new_var->VendorGuid, -					    new_var->Attributes, -					    new_var->DataSize, -					    new_var->Data); + +	status = check_var_size_locked(efivars, new_var->Attributes, +	       new_var->DataSize + utf16_strsize(new_var->VariableName, 1024)); + +	if (status == EFI_SUCCESS || status == EFI_UNSUPPORTED) +		status = efivars->ops->set_variable(new_var->VariableName, +						    &new_var->VendorGuid, +						    new_var->Attributes, +						    new_var->DataSize, +						    new_var->Data);  	spin_unlock_irq(&efivars->lock); @@ -702,8 +745,7 @@ static ssize_t efivarfs_file_write(struct file *file,  	u32 attributes;  	struct inode *inode = file->f_mapping->host;  	unsigned long datasize = count - sizeof(attributes); -	unsigned long newdatasize; -	u64 storage_size, remaining_size, max_size; +	unsigned long newdatasize, varsize;  	ssize_t bytes = 0;  	if (count < sizeof(attributes)) @@ -722,28 +764,18 @@ static ssize_t efivarfs_file_write(struct file *file,  	 * amounts of memory. Pick a default size of 64K if  	 * QueryVariableInfo() isn't supported by the firmware.  	 */ -	spin_lock_irq(&efivars->lock); - -	if (!efivars->ops->query_variable_info) -		status = EFI_UNSUPPORTED; -	else { -		const struct efivar_operations *fops = efivars->ops; -		status = fops->query_variable_info(attributes, &storage_size, -						   &remaining_size, &max_size); -	} -	spin_unlock_irq(&efivars->lock); +	varsize = datasize + utf16_strsize(var->var.VariableName, 1024); +	status = check_var_size(efivars, attributes, varsize);  	if (status != EFI_SUCCESS) {  		if (status != EFI_UNSUPPORTED)  			return efi_status_to_err(status); -		remaining_size = 65536; +		if (datasize > 65536) +			return -ENOSPC;  	} -	if (datasize > remaining_size) -		return -ENOSPC; -  	data = kmalloc(datasize, GFP_KERNEL);  	if (!data)  		return -ENOMEM; @@ -765,6 +797,19 @@ static ssize_t efivarfs_file_write(struct file *file,  	 */  	spin_lock_irq(&efivars->lock); +	/* +	 * Ensure that the available space hasn't shrunk below the safe level +	 */ + +	status = check_var_size_locked(efivars, attributes, varsize); + +	if (status != EFI_SUCCESS && status != EFI_UNSUPPORTED) { +		spin_unlock_irq(&efivars->lock); +		kfree(data); + +		return efi_status_to_err(status); +	} +  	status = efivars->ops->set_variable(var->var.VariableName,  					    &var->var.VendorGuid,  					    attributes, datasize, @@ -929,8 +974,8 @@ static bool efivarfs_valid_name(const char *str, int len)  	if (len < GUID_LEN + 2)  		return false; -	/* GUID should be right after the first '-' */ -	if (s - 1 != strchr(str, '-')) +	/* GUID must be preceded by a '-' */ +	if (*(s - 1) != '-')  		return false;  	/* @@ -1118,15 +1163,22 @@ static struct dentry_operations efivarfs_d_ops = {  static struct dentry *efivarfs_alloc_dentry(struct dentry *parent, char *name)  { +	struct dentry *d;  	struct qstr q; +	int err;  	q.name = name;  	q.len = strlen(name); -	if (efivarfs_d_hash(NULL, NULL, &q)) -		return NULL; +	err = efivarfs_d_hash(NULL, NULL, &q); +	if (err) +		return ERR_PTR(err); + +	d = d_alloc(parent, &q); +	if (d) +		return d; -	return d_alloc(parent, &q); +	return ERR_PTR(-ENOMEM);  }  static int efivarfs_fill_super(struct super_block *sb, void *data, int silent) @@ -1136,6 +1188,7 @@ static int efivarfs_fill_super(struct super_block *sb, void *data, int silent)  	struct efivar_entry *entry, *n;  	struct efivars *efivars = &__efivars;  	char *name; +	int err = -ENOMEM;  	efivarfs_sb = sb; @@ -1186,8 +1239,10 @@ static int efivarfs_fill_super(struct super_block *sb, void *data, int silent)  			goto fail_name;  		dentry = efivarfs_alloc_dentry(root, name); -		if (!dentry) +		if (IS_ERR(dentry)) { +			err = PTR_ERR(dentry);  			goto fail_inode; +		}  		/* copied by the above to local storage in the dentry. */  		kfree(name); @@ -1214,7 +1269,7 @@ fail_inode:  fail_name:  	kfree(name);  fail: -	return -ENOMEM; +	return err;  }  static struct dentry *efivarfs_mount(struct file_system_type *fs_type, @@ -1234,6 +1289,7 @@ static struct file_system_type efivarfs_type = {  	.mount   = efivarfs_mount,  	.kill_sb = efivarfs_kill_sb,  }; +MODULE_ALIAS_FS("efivarfs");  /*   * Handle negative dentry. @@ -1345,7 +1401,6 @@ static int efi_pstore_write(enum pstore_type_id type,  	efi_guid_t vendor = LINUX_EFI_CRASH_GUID;  	struct efivars *efivars = psi->data;  	int i, ret = 0; -	u64 storage_space, remaining_space, max_variable_size;  	efi_status_t status = EFI_NOT_FOUND;  	unsigned long flags; @@ -1365,11 +1420,11 @@ static int efi_pstore_write(enum pstore_type_id type,  	 * size: a size of logging data  	 * DUMP_NAME_LEN * 2: a maximum size of variable name  	 */ -	status = efivars->ops->query_variable_info(PSTORE_EFI_ATTRIBUTES, -						   &storage_space, -						   &remaining_space, -						   &max_variable_size); -	if (status || remaining_space < size + DUMP_NAME_LEN * 2) { + +	status = check_var_size_locked(efivars, PSTORE_EFI_ATTRIBUTES, +					 size + DUMP_NAME_LEN * 2); + +	if (status) {  		spin_unlock_irqrestore(&efivars->lock, flags);  		*id = part;  		return -ENOSPC; @@ -1544,6 +1599,14 @@ static ssize_t efivar_create(struct file *filp, struct kobject *kobj,  		return -EINVAL;  	} +	status = check_var_size_locked(efivars, new_var->Attributes, +	       new_var->DataSize + utf16_strsize(new_var->VariableName, 1024)); + +	if (status && status != EFI_UNSUPPORTED) { +		spin_unlock_irq(&efivars->lock); +		return efi_status_to_err(status); +	} +  	/* now *really* create the variable via EFI */  	status = efivars->ops->set_variable(new_var->VariableName,  					    &new_var->VendorGuid, diff --git a/drivers/gpio/gpio-ich.c b/drivers/gpio/gpio-ich.c index 6f2306db859..f9dbd503fc4 100644 --- a/drivers/gpio/gpio-ich.c +++ b/drivers/gpio/gpio-ich.c @@ -128,9 +128,9 @@ static int ichx_read_bit(int reg, unsigned nr)  	return data & (1 << bit) ? 1 : 0;  } -static int ichx_gpio_check_available(struct gpio_chip *gpio, unsigned nr) +static bool ichx_gpio_check_available(struct gpio_chip *gpio, unsigned nr)  { -	return (ichx_priv.use_gpio & (1 << (nr / 32))) ? 0 : -ENXIO; +	return ichx_priv.use_gpio & (1 << (nr / 32));  }  static int ichx_gpio_direction_input(struct gpio_chip *gpio, unsigned nr) diff --git a/drivers/gpio/gpio-msm-v2.c b/drivers/gpio/gpio-msm-v2.c index 55a7e7769af..dd2eddeb1e0 100644 --- a/drivers/gpio/gpio-msm-v2.c +++ b/drivers/gpio/gpio-msm-v2.c @@ -23,13 +23,12 @@  #include <linux/init.h>  #include <linux/interrupt.h>  #include <linux/io.h> +#include <linux/irqchip/chained_irq.h>  #include <linux/irq.h>  #include <linux/module.h>  #include <linux/platform_device.h>  #include <linux/spinlock.h> -#include <asm/mach/irq.h> -  #include <mach/msm_gpiomux.h>  #include <mach/msm_iomap.h> diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index 7472182967c..61a6fde6c08 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -42,6 +42,7 @@  #include <linux/io.h>  #include <linux/of_irq.h>  #include <linux/of_device.h> +#include <linux/clk.h>  #include <linux/pinctrl/consumer.h>  /* @@ -496,6 +497,7 @@ static int mvebu_gpio_probe(struct platform_device *pdev)  	struct resource *res;  	struct irq_chip_generic *gc;  	struct irq_chip_type *ct; +	struct clk *clk;  	unsigned int ngpios;  	int soc_variant;  	int i, cpu, id; @@ -529,6 +531,11 @@ static int mvebu_gpio_probe(struct platform_device *pdev)  		return id;  	} +	clk = devm_clk_get(&pdev->dev, NULL); +	/* Not all SoCs require a clock.*/ +	if (!IS_ERR(clk)) +		clk_prepare_enable(clk); +  	mvchip->soc_variant = soc_variant;  	mvchip->chip.label = dev_name(&pdev->dev);  	mvchip->chip.dev = &pdev->dev; diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c index 7877335c4cc..7176743915d 100644 --- a/drivers/gpio/gpio-mxc.c +++ b/drivers/gpio/gpio-mxc.c @@ -24,6 +24,7 @@  #include <linux/io.h>  #include <linux/irq.h>  #include <linux/irqdomain.h> +#include <linux/irqchip/chained_irq.h>  #include <linux/gpio.h>  #include <linux/platform_device.h>  #include <linux/slab.h> @@ -32,7 +33,6 @@  #include <linux/of_device.h>  #include <linux/module.h>  #include <asm-generic/bug.h> -#include <asm/mach/irq.h>  enum mxc_gpio_hwtype {  	IMX1_GPIO,	/* runs on i.mx1 */ diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 159f5c57eb4..a612ea1c53c 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -25,11 +25,10 @@  #include <linux/of.h>  #include <linux/of_device.h>  #include <linux/irqdomain.h> +#include <linux/irqchip/chained_irq.h>  #include <linux/gpio.h>  #include <linux/platform_data/gpio-omap.h> -#include <asm/mach/irq.h> -  #define OFF_MODE	1  static LIST_HEAD(omap_gpio_list); diff --git a/drivers/gpio/gpio-pl061.c b/drivers/gpio/gpio-pl061.c index b820869ca93..29763361d13 100644 --- a/drivers/gpio/gpio-pl061.c +++ b/drivers/gpio/gpio-pl061.c @@ -15,6 +15,7 @@  #include <linux/io.h>  #include <linux/ioport.h>  #include <linux/irq.h> +#include <linux/irqchip/chained_irq.h>  #include <linux/bitops.h>  #include <linux/workqueue.h>  #include <linux/gpio.h> @@ -23,7 +24,6 @@  #include <linux/amba/pl061.h>  #include <linux/slab.h>  #include <linux/pm.h> -#include <asm/mach/irq.h>  #define GPIODIR 0x400  #define GPIOIS  0x404 diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c index 9cc108d2b77..7523b6d108d 100644 --- a/drivers/gpio/gpio-pxa.c +++ b/drivers/gpio/gpio-pxa.c @@ -19,6 +19,7 @@  #include <linux/init.h>  #include <linux/irq.h>  #include <linux/irqdomain.h> +#include <linux/irqchip/chained_irq.h>  #include <linux/io.h>  #include <linux/of.h>  #include <linux/of_device.h> @@ -26,8 +27,6 @@  #include <linux/syscore_ops.h>  #include <linux/slab.h> -#include <asm/mach/irq.h> -  #include <mach/irqs.h>  /* diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c index 414ad912232..8e215554888 100644 --- a/drivers/gpio/gpio-tegra.c +++ b/drivers/gpio/gpio-tegra.c @@ -27,11 +27,10 @@  #include <linux/platform_device.h>  #include <linux/module.h>  #include <linux/irqdomain.h> +#include <linux/irqchip/chained_irq.h>  #include <linux/pinctrl/consumer.h>  #include <linux/pm.h> -#include <asm/mach/irq.h> -  #define GPIO_BANK(x)		((x) >> 5)  #define GPIO_PORT(x)		(((x) >> 3) & 0x3)  #define GPIO_BIT(x)		((x) & 0x7) diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index fff9786cdc6..c2534d62911 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -88,13 +88,14 @@ static int gpiod_request(struct gpio_desc *desc, const char *label);  static void gpiod_free(struct gpio_desc *desc);  static int gpiod_direction_input(struct gpio_desc *desc);  static int gpiod_direction_output(struct gpio_desc *desc, int value); +static int gpiod_get_direction(const struct gpio_desc *desc);  static int gpiod_set_debounce(struct gpio_desc *desc, unsigned debounce); -static int gpiod_get_value_cansleep(struct gpio_desc *desc); +static int gpiod_get_value_cansleep(const struct gpio_desc *desc);  static void gpiod_set_value_cansleep(struct gpio_desc *desc, int value); -static int gpiod_get_value(struct gpio_desc *desc); +static int gpiod_get_value(const struct gpio_desc *desc);  static void gpiod_set_value(struct gpio_desc *desc, int value); -static int gpiod_cansleep(struct gpio_desc *desc); -static int gpiod_to_irq(struct gpio_desc *desc); +static int gpiod_cansleep(const struct gpio_desc *desc); +static int gpiod_to_irq(const struct gpio_desc *desc);  static int gpiod_export(struct gpio_desc *desc, bool direction_may_change);  static int gpiod_export_link(struct device *dev, const char *name,  			     struct gpio_desc *desc); @@ -171,12 +172,12 @@ static int gpio_ensure_requested(struct gpio_desc *desc)  	return 0;  } -/* caller holds gpio_lock *OR* gpio is marked as requested */ -static struct gpio_chip *gpiod_to_chip(struct gpio_desc *desc) +static struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc)  { -	return desc->chip; +	return desc ? desc->chip : NULL;  } +/* caller holds gpio_lock *OR* gpio is marked as requested */  struct gpio_chip *gpio_to_chip(unsigned gpio)  {  	return gpiod_to_chip(gpio_to_desc(gpio)); @@ -207,7 +208,7 @@ static int gpiochip_find_base(int ngpio)  }  /* caller ensures gpio is valid and requested, chip->get_direction may sleep  */ -static int gpiod_get_direction(struct gpio_desc *desc) +static int gpiod_get_direction(const struct gpio_desc *desc)  {  	struct gpio_chip	*chip;  	unsigned		offset; @@ -223,11 +224,13 @@ static int gpiod_get_direction(struct gpio_desc *desc)  	if (status > 0) {  		/* GPIOF_DIR_IN, or other positive */  		status = 1; -		clear_bit(FLAG_IS_OUT, &desc->flags); +		/* FLAG_IS_OUT is just a cache of the result of get_direction(), +		 * so it does not affect constness per se */ +		clear_bit(FLAG_IS_OUT, &((struct gpio_desc *)desc)->flags);  	}  	if (status == 0) {  		/* GPIOF_DIR_OUT */ -		set_bit(FLAG_IS_OUT, &desc->flags); +		set_bit(FLAG_IS_OUT, &((struct gpio_desc *)desc)->flags);  	}  	return status;  } @@ -263,7 +266,7 @@ static DEFINE_MUTEX(sysfs_lock);  static ssize_t gpio_direction_show(struct device *dev,  		struct device_attribute *attr, char *buf)  { -	struct gpio_desc	*desc = dev_get_drvdata(dev); +	const struct gpio_desc	*desc = dev_get_drvdata(dev);  	ssize_t			status;  	mutex_lock(&sysfs_lock); @@ -654,6 +657,11 @@ static ssize_t export_store(struct class *class,  		goto done;  	desc = gpio_to_desc(gpio); +	/* reject invalid GPIOs */ +	if (!desc) { +		pr_warn("%s: invalid GPIO %ld\n", __func__, gpio); +		return -EINVAL; +	}  	/* No extra locking here; FLAG_SYSFS just signifies that the  	 * request and export were done by on behalf of userspace, so @@ -690,12 +698,14 @@ static ssize_t unexport_store(struct class *class,  	if (status < 0)  		goto done; -	status = -EINVAL; -  	desc = gpio_to_desc(gpio);  	/* reject bogus commands (gpio_unexport ignores them) */ -	if (!desc) -		goto done; +	if (!desc) { +		pr_warn("%s: invalid GPIO %ld\n", __func__, gpio); +		return -EINVAL; +	} + +	status = -EINVAL;  	/* No extra locking here; FLAG_SYSFS just signifies that the  	 * request and export were done by on behalf of userspace, so @@ -846,8 +856,10 @@ static int gpiod_export_link(struct device *dev, const char *name,  {  	int			status = -EINVAL; -	if (!desc) -		goto done; +	if (!desc) { +		pr_warn("%s: invalid GPIO\n", __func__); +		return -EINVAL; +	}  	mutex_lock(&sysfs_lock); @@ -865,7 +877,6 @@ static int gpiod_export_link(struct device *dev, const char *name,  	mutex_unlock(&sysfs_lock); -done:  	if (status)  		pr_debug("%s: gpio%d status %d\n", __func__, desc_to_gpio(desc),  			 status); @@ -896,8 +907,10 @@ static int gpiod_sysfs_set_active_low(struct gpio_desc *desc, int value)  	struct device		*dev = NULL;  	int			status = -EINVAL; -	if (!desc) -		goto done; +	if (!desc) { +		pr_warn("%s: invalid GPIO\n", __func__); +		return -EINVAL; +	}  	mutex_lock(&sysfs_lock); @@ -914,7 +927,6 @@ static int gpiod_sysfs_set_active_low(struct gpio_desc *desc, int value)  unlock:  	mutex_unlock(&sysfs_lock); -done:  	if (status)  		pr_debug("%s: gpio%d status %d\n", __func__, desc_to_gpio(desc),  			 status); @@ -940,8 +952,8 @@ static void gpiod_unexport(struct gpio_desc *desc)  	struct device		*dev = NULL;  	if (!desc) { -		status = -EINVAL; -		goto done; +		pr_warn("%s: invalid GPIO\n", __func__); +		return;  	}  	mutex_lock(&sysfs_lock); @@ -962,7 +974,7 @@ static void gpiod_unexport(struct gpio_desc *desc)  		device_unregister(dev);  		put_device(dev);  	} -done: +  	if (status)  		pr_debug("%s: gpio%d status %d\n", __func__, desc_to_gpio(desc),  			 status); @@ -1384,12 +1396,13 @@ static int gpiod_request(struct gpio_desc *desc, const char *label)  	int			status = -EPROBE_DEFER;  	unsigned long		flags; -	spin_lock_irqsave(&gpio_lock, flags); -  	if (!desc) { -		status = -EINVAL; -		goto done; +		pr_warn("%s: invalid GPIO\n", __func__); +		return -EINVAL;  	} + +	spin_lock_irqsave(&gpio_lock, flags); +  	chip = desc->chip;  	if (chip == NULL)  		goto done; @@ -1432,8 +1445,7 @@ static int gpiod_request(struct gpio_desc *desc, const char *label)  done:  	if (status)  		pr_debug("_gpio_request: gpio-%d (%s) status %d\n", -			 desc ? desc_to_gpio(desc) : -1, -			 label ? : "?", status); +			 desc_to_gpio(desc), label ? : "?", status);  	spin_unlock_irqrestore(&gpio_lock, flags);  	return status;  } @@ -1616,10 +1628,13 @@ static int gpiod_direction_input(struct gpio_desc *desc)  	int			status = -EINVAL;  	int			offset; +	if (!desc) { +		pr_warn("%s: invalid GPIO\n", __func__); +		return -EINVAL; +	} +  	spin_lock_irqsave(&gpio_lock, flags); -	if (!desc) -		goto fail;  	chip = desc->chip;  	if (!chip || !chip->get || !chip->direction_input)  		goto fail; @@ -1655,13 +1670,9 @@ lose:  	return status;  fail:  	spin_unlock_irqrestore(&gpio_lock, flags); -	if (status) { -		int gpio = -1; -		if (desc) -			gpio = desc_to_gpio(desc); -		pr_debug("%s: gpio-%d status %d\n", -			__func__, gpio, status); -	} +	if (status) +		pr_debug("%s: gpio-%d status %d\n", __func__, +			 desc_to_gpio(desc), status);  	return status;  } @@ -1678,6 +1689,11 @@ static int gpiod_direction_output(struct gpio_desc *desc, int value)  	int			status = -EINVAL;  	int offset; +	if (!desc) { +		pr_warn("%s: invalid GPIO\n", __func__); +		return -EINVAL; +	} +  	/* Open drain pin should not be driven to 1 */  	if (value && test_bit(FLAG_OPEN_DRAIN,  &desc->flags))  		return gpiod_direction_input(desc); @@ -1688,8 +1704,6 @@ static int gpiod_direction_output(struct gpio_desc *desc, int value)  	spin_lock_irqsave(&gpio_lock, flags); -	if (!desc) -		goto fail;  	chip = desc->chip;  	if (!chip || !chip->set || !chip->direction_output)  		goto fail; @@ -1725,13 +1739,9 @@ lose:  	return status;  fail:  	spin_unlock_irqrestore(&gpio_lock, flags); -	if (status) { -		int gpio = -1; -		if (desc) -			gpio = desc_to_gpio(desc); -		pr_debug("%s: gpio-%d status %d\n", -			__func__, gpio, status); -	} +	if (status) +		pr_debug("%s: gpio-%d status %d\n", __func__, +			 desc_to_gpio(desc), status);  	return status;  } @@ -1753,10 +1763,13 @@ static int gpiod_set_debounce(struct gpio_desc *desc, unsigned debounce)  	int			status = -EINVAL;  	int			offset; +	if (!desc) { +		pr_warn("%s: invalid GPIO\n", __func__); +		return -EINVAL; +	} +  	spin_lock_irqsave(&gpio_lock, flags); -	if (!desc) -		goto fail;  	chip = desc->chip;  	if (!chip || !chip->set || !chip->set_debounce)  		goto fail; @@ -1776,13 +1789,9 @@ static int gpiod_set_debounce(struct gpio_desc *desc, unsigned debounce)  fail:  	spin_unlock_irqrestore(&gpio_lock, flags); -	if (status) { -		int gpio = -1; -		if (desc) -			gpio = desc_to_gpio(desc); -		pr_debug("%s: gpio-%d status %d\n", -			__func__, gpio, status); -	} +	if (status) +		pr_debug("%s: gpio-%d status %d\n", __func__, +			 desc_to_gpio(desc), status);  	return status;  } @@ -1824,12 +1833,14 @@ EXPORT_SYMBOL_GPL(gpio_set_debounce);   * It returns the zero or nonzero value provided by the associated   * gpio_chip.get() method; or zero if no such method is provided.   */ -static int gpiod_get_value(struct gpio_desc *desc) +static int gpiod_get_value(const struct gpio_desc *desc)  {  	struct gpio_chip	*chip;  	int value;  	int offset; +	if (!desc) +		return 0;  	chip = desc->chip;  	offset = gpio_chip_hwgpio(desc);  	/* Should be using gpio_get_value_cansleep() */ @@ -1912,6 +1923,8 @@ static void gpiod_set_value(struct gpio_desc *desc, int value)  {  	struct gpio_chip	*chip; +	if (!desc) +		return;  	chip = desc->chip;  	/* Should be using gpio_set_value_cansleep() */  	WARN_ON(chip->can_sleep); @@ -1938,8 +1951,10 @@ EXPORT_SYMBOL_GPL(__gpio_set_value);   * This is used directly or indirectly to implement gpio_cansleep().  It   * returns nonzero if access reading or writing the GPIO value can sleep.   */ -static int gpiod_cansleep(struct gpio_desc *desc) +static int gpiod_cansleep(const struct gpio_desc *desc)  { +	if (!desc) +		return 0;  	/* only call this on GPIOs that are valid! */  	return desc->chip->can_sleep;  } @@ -1959,11 +1974,13 @@ EXPORT_SYMBOL_GPL(__gpio_cansleep);   * It returns the number of the IRQ signaled by this (input) GPIO,   * or a negative errno.   */ -static int gpiod_to_irq(struct gpio_desc *desc) +static int gpiod_to_irq(const struct gpio_desc *desc)  {  	struct gpio_chip	*chip;  	int			offset; +	if (!desc) +		return -EINVAL;  	chip = desc->chip;  	offset = gpio_chip_hwgpio(desc);  	return chip->to_irq ? chip->to_irq(chip, offset) : -ENXIO; @@ -1980,13 +1997,15 @@ EXPORT_SYMBOL_GPL(__gpio_to_irq);   * Common examples include ones connected to I2C or SPI chips.   */ -static int gpiod_get_value_cansleep(struct gpio_desc *desc) +static int gpiod_get_value_cansleep(const struct gpio_desc *desc)  {  	struct gpio_chip	*chip;  	int value;  	int offset;  	might_sleep_if(extra_checks); +	if (!desc) +		return 0;  	chip = desc->chip;  	offset = gpio_chip_hwgpio(desc);  	value = chip->get ? chip->get(chip, offset) : 0; @@ -2005,6 +2024,8 @@ static void gpiod_set_value_cansleep(struct gpio_desc *desc, int value)  	struct gpio_chip	*chip;  	might_sleep_if(extra_checks); +	if (!desc) +		return;  	chip = desc->chip;  	trace_gpio_value(desc_to_gpio(desc), 0, value);  	if (test_bit(FLAG_OPEN_DRAIN,  &desc->flags)) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index c5b8c81b944..0a8eceb7590 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -379,15 +379,15 @@ static const struct pci_device_id pciidlist[] = {		/* aka */  	INTEL_VGA_DEVICE(0x0A06, &intel_haswell_m_info), /* ULT GT1 mobile */  	INTEL_VGA_DEVICE(0x0A16, &intel_haswell_m_info), /* ULT GT2 mobile */  	INTEL_VGA_DEVICE(0x0A26, &intel_haswell_m_info), /* ULT GT2 mobile */ -	INTEL_VGA_DEVICE(0x0D12, &intel_haswell_d_info), /* CRW GT1 desktop */ +	INTEL_VGA_DEVICE(0x0D02, &intel_haswell_d_info), /* CRW GT1 desktop */ +	INTEL_VGA_DEVICE(0x0D12, &intel_haswell_d_info), /* CRW GT2 desktop */  	INTEL_VGA_DEVICE(0x0D22, &intel_haswell_d_info), /* CRW GT2 desktop */ -	INTEL_VGA_DEVICE(0x0D32, &intel_haswell_d_info), /* CRW GT2 desktop */ -	INTEL_VGA_DEVICE(0x0D1A, &intel_haswell_d_info), /* CRW GT1 server */ +	INTEL_VGA_DEVICE(0x0D0A, &intel_haswell_d_info), /* CRW GT1 server */ +	INTEL_VGA_DEVICE(0x0D1A, &intel_haswell_d_info), /* CRW GT2 server */  	INTEL_VGA_DEVICE(0x0D2A, &intel_haswell_d_info), /* CRW GT2 server */ -	INTEL_VGA_DEVICE(0x0D3A, &intel_haswell_d_info), /* CRW GT2 server */ -	INTEL_VGA_DEVICE(0x0D16, &intel_haswell_m_info), /* CRW GT1 mobile */ +	INTEL_VGA_DEVICE(0x0D06, &intel_haswell_m_info), /* CRW GT1 mobile */ +	INTEL_VGA_DEVICE(0x0D16, &intel_haswell_m_info), /* CRW GT2 mobile */  	INTEL_VGA_DEVICE(0x0D26, &intel_haswell_m_info), /* CRW GT2 mobile */ -	INTEL_VGA_DEVICE(0x0D36, &intel_haswell_m_info), /* CRW GT2 mobile */  	INTEL_VGA_DEVICE(0x0f30, &intel_valleyview_m_info),  	INTEL_VGA_DEVICE(0x0157, &intel_valleyview_m_info),  	INTEL_VGA_DEVICE(0x0155, &intel_valleyview_d_info), @@ -495,6 +495,7 @@ static int i915_drm_freeze(struct drm_device *dev)  		intel_modeset_disable(dev);  		drm_irq_uninstall(dev); +		dev_priv->enable_hotplug_processing = false;  	}  	i915_save_state(dev); @@ -568,10 +569,20 @@ static int __i915_drm_thaw(struct drm_device *dev)  		error = i915_gem_init_hw(dev);  		mutex_unlock(&dev->struct_mutex); +		/* We need working interrupts for modeset enabling ... */ +		drm_irq_install(dev); +  		intel_modeset_init_hw(dev);  		intel_modeset_setup_hw_state(dev, false); -		drm_irq_install(dev); + +		/* +		 * ... but also need to make sure that hotplug processing +		 * doesn't cause havoc. Like in the driver load code we don't +		 * bother with the tiny race here where we might loose hotplug +		 * notifications. +		 * */  		intel_hpd_init(dev); +		dev_priv->enable_hotplug_processing = true;  	}  	intel_opregion_init(dev); diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 2cd97d1cc92..3c7bb0410b5 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -701,7 +701,7 @@ static irqreturn_t ivybridge_irq_handler(int irq, void *arg)  {  	struct drm_device *dev = (struct drm_device *) arg;  	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; -	u32 de_iir, gt_iir, de_ier, pm_iir; +	u32 de_iir, gt_iir, de_ier, pm_iir, sde_ier;  	irqreturn_t ret = IRQ_NONE;  	int i; @@ -711,6 +711,15 @@ static irqreturn_t ivybridge_irq_handler(int irq, void *arg)  	de_ier = I915_READ(DEIER);  	I915_WRITE(DEIER, de_ier & ~DE_MASTER_IRQ_CONTROL); +	/* Disable south interrupts. We'll only write to SDEIIR once, so further +	 * interrupts will will be stored on its back queue, and then we'll be +	 * able to process them after we restore SDEIER (as soon as we restore +	 * it, we'll get an interrupt if SDEIIR still has something to process +	 * due to its back queue). */ +	sde_ier = I915_READ(SDEIER); +	I915_WRITE(SDEIER, 0); +	POSTING_READ(SDEIER); +  	gt_iir = I915_READ(GTIIR);  	if (gt_iir) {  		snb_gt_irq_handler(dev, dev_priv, gt_iir); @@ -759,6 +768,8 @@ static irqreturn_t ivybridge_irq_handler(int irq, void *arg)  	I915_WRITE(DEIER, de_ier);  	POSTING_READ(DEIER); +	I915_WRITE(SDEIER, sde_ier); +	POSTING_READ(SDEIER);  	return ret;  } @@ -778,7 +789,7 @@ static irqreturn_t ironlake_irq_handler(int irq, void *arg)  	struct drm_device *dev = (struct drm_device *) arg;  	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;  	int ret = IRQ_NONE; -	u32 de_iir, gt_iir, de_ier, pm_iir; +	u32 de_iir, gt_iir, de_ier, pm_iir, sde_ier;  	atomic_inc(&dev_priv->irq_received); @@ -787,6 +798,15 @@ static irqreturn_t ironlake_irq_handler(int irq, void *arg)  	I915_WRITE(DEIER, de_ier & ~DE_MASTER_IRQ_CONTROL);  	POSTING_READ(DEIER); +	/* Disable south interrupts. We'll only write to SDEIIR once, so further +	 * interrupts will will be stored on its back queue, and then we'll be +	 * able to process them after we restore SDEIER (as soon as we restore +	 * it, we'll get an interrupt if SDEIIR still has something to process +	 * due to its back queue). */ +	sde_ier = I915_READ(SDEIER); +	I915_WRITE(SDEIER, 0); +	POSTING_READ(SDEIER); +  	de_iir = I915_READ(DEIIR);  	gt_iir = I915_READ(GTIIR);  	pm_iir = I915_READ(GEN6_PMIIR); @@ -849,6 +869,8 @@ static irqreturn_t ironlake_irq_handler(int irq, void *arg)  done:  	I915_WRITE(DEIER, de_ier);  	POSTING_READ(DEIER); +	I915_WRITE(SDEIER, sde_ier); +	POSTING_READ(SDEIER);  	return ret;  } diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 527b664d343..848992f67d5 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -1613,9 +1613,9 @@  #define   ADPA_CRT_HOTPLUG_FORCE_TRIGGER (1<<16)  #define   ADPA_USE_VGA_HVPOLARITY (1<<15)  #define   ADPA_SETS_HVPOLARITY	0 -#define   ADPA_VSYNC_CNTL_DISABLE (1<<11) +#define   ADPA_VSYNC_CNTL_DISABLE (1<<10)  #define   ADPA_VSYNC_CNTL_ENABLE 0 -#define   ADPA_HSYNC_CNTL_DISABLE (1<<10) +#define   ADPA_HSYNC_CNTL_DISABLE (1<<11)  #define   ADPA_HSYNC_CNTL_ENABLE 0  #define   ADPA_VSYNC_ACTIVE_HIGH (1<<4)  #define   ADPA_VSYNC_ACTIVE_LOW	0 diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index 969d08c72d1..32a3693905e 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -88,7 +88,7 @@ static void intel_disable_crt(struct intel_encoder *encoder)  	u32 temp;  	temp = I915_READ(crt->adpa_reg); -	temp &= ~(ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE); +	temp |= ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE;  	temp &= ~ADPA_DAC_ENABLE;  	I915_WRITE(crt->adpa_reg, temp);  } diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index d64af5aa4a1..8d0bac3c35d 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -1391,8 +1391,8 @@ void intel_ddi_prepare_link_retrain(struct drm_encoder *encoder)  	struct intel_dp *intel_dp = &intel_dig_port->dp;  	struct drm_i915_private *dev_priv = encoder->dev->dev_private;  	enum port port = intel_dig_port->port; -	bool wait;  	uint32_t val; +	bool wait = false;  	if (I915_READ(DP_TP_CTL(port)) & DP_TP_CTL_ENABLE) {  		val = I915_READ(DDI_BUF_CTL(port)); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index a05ac2c91ba..287b42c9d1a 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3604,6 +3604,30 @@ static void intel_crtc_dpms_overlay(struct intel_crtc *intel_crtc, bool enable)  	 */  } +/** + * i9xx_fixup_plane - ugly workaround for G45 to fire up the hardware + * cursor plane briefly if not already running after enabling the display + * plane. + * This workaround avoids occasional blank screens when self refresh is + * enabled. + */ +static void +g4x_fixup_plane(struct drm_i915_private *dev_priv, enum pipe pipe) +{ +	u32 cntl = I915_READ(CURCNTR(pipe)); + +	if ((cntl & CURSOR_MODE) == 0) { +		u32 fw_bcl_self = I915_READ(FW_BLC_SELF); + +		I915_WRITE(FW_BLC_SELF, fw_bcl_self & ~FW_BLC_SELF_EN); +		I915_WRITE(CURCNTR(pipe), CURSOR_MODE_64_ARGB_AX); +		intel_wait_for_vblank(dev_priv->dev, pipe); +		I915_WRITE(CURCNTR(pipe), cntl); +		I915_WRITE(CURBASE(pipe), I915_READ(CURBASE(pipe))); +		I915_WRITE(FW_BLC_SELF, fw_bcl_self); +	} +} +  static void i9xx_crtc_enable(struct drm_crtc *crtc)  {  	struct drm_device *dev = crtc->dev; @@ -3629,6 +3653,8 @@ static void i9xx_crtc_enable(struct drm_crtc *crtc)  	intel_enable_pipe(dev_priv, pipe, false);  	intel_enable_plane(dev_priv, plane, pipe); +	if (IS_G4X(dev)) +		g4x_fixup_plane(dev_priv, pipe);  	intel_crtc_load_lut(crtc);  	intel_update_fbc(dev); @@ -7256,8 +7282,8 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,  {  	struct drm_device *dev = crtc->dev;  	struct drm_i915_private *dev_priv = dev->dev_private; -	struct intel_framebuffer *intel_fb; -	struct drm_i915_gem_object *obj; +	struct drm_framebuffer *old_fb = crtc->fb; +	struct drm_i915_gem_object *obj = to_intel_framebuffer(fb)->obj;  	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);  	struct intel_unpin_work *work;  	unsigned long flags; @@ -7282,8 +7308,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,  	work->event = event;  	work->crtc = crtc; -	intel_fb = to_intel_framebuffer(crtc->fb); -	work->old_fb_obj = intel_fb->obj; +	work->old_fb_obj = to_intel_framebuffer(old_fb)->obj;  	INIT_WORK(&work->work, intel_unpin_work_fn);  	ret = drm_vblank_get(dev, intel_crtc->pipe); @@ -7303,9 +7328,6 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,  	intel_crtc->unpin_work = work;  	spin_unlock_irqrestore(&dev->event_lock, flags); -	intel_fb = to_intel_framebuffer(fb); -	obj = intel_fb->obj; -  	if (atomic_read(&intel_crtc->unpin_work_count) >= 2)  		flush_workqueue(dev_priv->wq); @@ -7340,6 +7362,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,  cleanup_pending:  	atomic_dec(&intel_crtc->unpin_work_count); +	crtc->fb = old_fb;  	drm_gem_object_unreference(&work->old_fb_obj->base);  	drm_gem_object_unreference(&obj->base);  	mutex_unlock(&dev->struct_mutex); diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index f61cb7998c7..6f728e5ee79 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -353,7 +353,8 @@ intel_dp_aux_wait_done(struct intel_dp *intel_dp, bool has_aux_irq)  #define C (((status = I915_READ_NOTRACE(ch_ctl)) & DP_AUX_CH_CTL_SEND_BUSY) == 0)  	if (has_aux_irq) -		done = wait_event_timeout(dev_priv->gmbus_wait_queue, C, 10); +		done = wait_event_timeout(dev_priv->gmbus_wait_queue, C, +					  msecs_to_jiffies(10));  	else  		done = wait_for_atomic(C, 10) == 0;  	if (!done) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 61fee7fcdc2..a1794c6df1b 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -2574,7 +2574,7 @@ static void gen6_enable_rps(struct drm_device *dev)  	I915_WRITE(GEN6_RC_SLEEP, 0);  	I915_WRITE(GEN6_RC1e_THRESHOLD, 1000);  	I915_WRITE(GEN6_RC6_THRESHOLD, 50000); -	I915_WRITE(GEN6_RC6p_THRESHOLD, 100000); +	I915_WRITE(GEN6_RC6p_THRESHOLD, 150000);  	I915_WRITE(GEN6_RC6pp_THRESHOLD, 64000); /* unused */  	/* Check if we are enabling RC6 */ diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h index 5ea5033eae0..4d932c46725 100644 --- a/drivers/gpu/drm/mgag200/mgag200_drv.h +++ b/drivers/gpu/drm/mgag200/mgag200_drv.h @@ -112,7 +112,6 @@ struct mga_framebuffer {  struct mga_fbdev {  	struct drm_fb_helper helper;  	struct mga_framebuffer mfb; -	struct list_head fbdev_list;  	void *sysram;  	int size;  	struct ttm_bo_kmap_obj mapping; diff --git a/drivers/gpu/drm/mgag200/mgag200_i2c.c b/drivers/gpu/drm/mgag200/mgag200_i2c.c index 5a88ec51b51..d3dcf54e623 100644 --- a/drivers/gpu/drm/mgag200/mgag200_i2c.c +++ b/drivers/gpu/drm/mgag200/mgag200_i2c.c @@ -92,6 +92,7 @@ struct mga_i2c_chan *mgag200_i2c_create(struct drm_device *dev)  	int ret;  	int data, clock; +	WREG_DAC(MGA1064_GEN_IO_CTL2, 1);  	WREG_DAC(MGA1064_GEN_IO_DATA, 0xff);  	WREG_DAC(MGA1064_GEN_IO_CTL, 0); diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index d3d99a28dde..a274b9906ef 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -1406,6 +1406,14 @@ static int mga_vga_get_modes(struct drm_connector *connector)  static int mga_vga_mode_valid(struct drm_connector *connector,  				 struct drm_display_mode *mode)  { +	struct drm_device *dev = connector->dev; +	struct mga_device *mdev = (struct mga_device*)dev->dev_private; +	struct mga_fbdev *mfbdev = mdev->mfbdev; +	struct drm_fb_helper *fb_helper = &mfbdev->helper; +	struct drm_fb_helper_connector *fb_helper_conn = NULL; +	int bpp = 32; +	int i = 0; +  	/* FIXME: Add bandwidth and g200se limitations */  	if (mode->crtc_hdisplay > 2048 || mode->crtc_hsync_start > 4096 || @@ -1415,6 +1423,25 @@ static int mga_vga_mode_valid(struct drm_connector *connector,  		return MODE_BAD;  	} +	/* Validate the mode input by the user */ +	for (i = 0; i < fb_helper->connector_count; i++) { +		if (fb_helper->connector_info[i]->connector == connector) { +			/* Found the helper for this connector */ +			fb_helper_conn = fb_helper->connector_info[i]; +			if (fb_helper_conn->cmdline_mode.specified) { +				if (fb_helper_conn->cmdline_mode.bpp_specified) { +					bpp = fb_helper_conn->cmdline_mode.bpp; +				} +			} +		} +	} + +	if ((mode->hdisplay * mode->vdisplay * (bpp/8)) > mdev->mc.vram_size) { +		if (fb_helper_conn) +			fb_helper_conn->cmdline_mode.specified = false; +		return MODE_BAD; +	} +  	return MODE_OK;  } diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c index 5fa13267bd9..02e369f8044 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c @@ -544,13 +544,13 @@ nv50_disp_curs_ofuncs = {  static void  nv50_disp_base_vblank_enable(struct nouveau_event *event, int head)  { -	nv_mask(event->priv, 0x61002c, (1 << head), (1 << head)); +	nv_mask(event->priv, 0x61002c, (4 << head), (4 << head));  }  static void  nv50_disp_base_vblank_disable(struct nouveau_event *event, int head)  { -	nv_mask(event->priv, 0x61002c, (1 << head), (0 << head)); +	nv_mask(event->priv, 0x61002c, (4 << head), 0);  }  static int diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nve0.c b/drivers/gpu/drm/nouveau/core/engine/graph/nve0.c index 61cec0f6ff1..4857f913efd 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/nve0.c +++ b/drivers/gpu/drm/nouveau/core/engine/graph/nve0.c @@ -350,7 +350,7 @@ nve0_graph_init_gpc_0(struct nvc0_graph_priv *priv)  		nv_wr32(priv, GPC_UNIT(gpc, 0x0918), magicgpc918);  	} -	nv_wr32(priv, GPC_BCAST(0x1bd4), magicgpc918); +	nv_wr32(priv, GPC_BCAST(0x3fd4), magicgpc918);  	nv_wr32(priv, GPC_BCAST(0x08ac), nv_rd32(priv, 0x100800));  } diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c index 2cc1e6a5eb6..9c41b58d57e 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c +++ b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c @@ -869,7 +869,7 @@ init_idx_addr_latched(struct nvbios_init *init)  		init->offset += 2;  		init_wr32(init, dreg, idata); -		init_mask(init, creg, ~mask, data | idata); +		init_mask(init, creg, ~mask, data | iaddr);  	}  } diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c index a114a0ed7e9..2e98e8a3f1a 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c @@ -142,6 +142,7 @@ nouveau_i2c_port_create_(struct nouveau_object *parent,  	/* drop port's i2c subdev refcount, i2c handles this itself */  	if (ret == 0) {  		list_add_tail(&port->head, &i2c->ports); +		atomic_dec(&parent->refcount);  		atomic_dec(&engine->refcount);  	} diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c index 41241922263..3b6dc883e15 100644 --- a/drivers/gpu/drm/nouveau/nouveau_abi16.c +++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c @@ -116,6 +116,11 @@ nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16,  {  	struct nouveau_abi16_ntfy *ntfy, *temp; +	/* wait for all activity to stop before releasing notify object, which +	 * may be still in use */ +	if (chan->chan && chan->ntfy) +		nouveau_channel_idle(chan->chan); +  	/* cleanup notifier state */  	list_for_each_entry_safe(ntfy, temp, &chan->notifiers, head) {  		nouveau_abi16_ntfy_fini(chan, ntfy); diff --git a/drivers/gpu/drm/nouveau/nouveau_agp.c b/drivers/gpu/drm/nouveau/nouveau_agp.c index d28430cd2ba..6e7a55f93a8 100644 --- a/drivers/gpu/drm/nouveau/nouveau_agp.c +++ b/drivers/gpu/drm/nouveau/nouveau_agp.c @@ -47,6 +47,18 @@ nouveau_agp_enabled(struct nouveau_drm *drm)  	if (drm->agp.stat == UNKNOWN) {  		if (!nouveau_agpmode)  			return false; +#ifdef __powerpc__ +		/* Disable AGP by default on all PowerPC machines for +		 * now -- At least some UniNorth-2 AGP bridges are +		 * known to be broken: DMA from the host to the card +		 * works just fine, but writeback from the card to the +		 * host goes straight to memory untranslated bypassing +		 * the GATT somehow, making them quite painful to deal +		 * with... +		 */ +		if (nouveau_agpmode == -1) +			return false; +#endif  		return true;  	} diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 11ca82148ed..7ff10711a4d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -801,7 +801,7 @@ nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,  		stride  = 16 * 4;  		height  = amount / stride; -		if (new_mem->mem_type == TTM_PL_VRAM && +		if (old_mem->mem_type == TTM_PL_VRAM &&  		    nouveau_bo_tile_layout(nvbo)) {  			ret = RING_SPACE(chan, 8);  			if (ret) @@ -823,7 +823,7 @@ nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,  			BEGIN_NV04(chan, NvSubCopy, 0x0200, 1);  			OUT_RING  (chan, 1);  		} -		if (old_mem->mem_type == TTM_PL_VRAM && +		if (new_mem->mem_type == TTM_PL_VRAM &&  		    nouveau_bo_tile_layout(nvbo)) {  			ret = RING_SPACE(chan, 8);  			if (ret) diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index a6237c9cbbc..2db57990f65 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -55,9 +55,9 @@  /* offsets in shared sync bo of various structures */  #define EVO_SYNC(c, o) ((c) * 0x0100 + (o)) -#define EVO_MAST_NTFY     EVO_SYNC(  0, 0x00) -#define EVO_FLIP_SEM0(c)  EVO_SYNC((c), 0x00) -#define EVO_FLIP_SEM1(c)  EVO_SYNC((c), 0x10) +#define EVO_MAST_NTFY     EVO_SYNC(      0, 0x00) +#define EVO_FLIP_SEM0(c)  EVO_SYNC((c) + 1, 0x00) +#define EVO_FLIP_SEM1(c)  EVO_SYNC((c) + 1, 0x10)  #define EVO_CORE_HANDLE      (0xd1500000)  #define EVO_CHAN_HANDLE(t,i) (0xd15c0000 | (((t) & 0x00ff) << 8) | (i)) @@ -341,10 +341,8 @@ struct nv50_curs {  struct nv50_sync {  	struct nv50_dmac base; -	struct { -		u32 offset; -		u16 value; -	} sem; +	u32 addr; +	u32 data;  };  struct nv50_ovly { @@ -471,13 +469,33 @@ nv50_display_crtc_sema(struct drm_device *dev, int crtc)  	return nv50_disp(dev)->sync;  } +struct nv50_display_flip { +	struct nv50_disp *disp; +	struct nv50_sync *chan; +}; + +static bool +nv50_display_flip_wait(void *data) +{ +	struct nv50_display_flip *flip = data; +	if (nouveau_bo_rd32(flip->disp->sync, flip->chan->addr / 4) == +					      flip->chan->data); +		return true; +	usleep_range(1, 2); +	return false; +} +  void  nv50_display_flip_stop(struct drm_crtc *crtc)  { -	struct nv50_sync *sync = nv50_sync(crtc); +	struct nouveau_device *device = nouveau_dev(crtc->dev); +	struct nv50_display_flip flip = { +		.disp = nv50_disp(crtc->dev), +		.chan = nv50_sync(crtc), +	};  	u32 *push; -	push = evo_wait(sync, 8); +	push = evo_wait(flip.chan, 8);  	if (push) {  		evo_mthd(push, 0x0084, 1);  		evo_data(push, 0x00000000); @@ -487,8 +505,10 @@ nv50_display_flip_stop(struct drm_crtc *crtc)  		evo_data(push, 0x00000000);  		evo_mthd(push, 0x0080, 1);  		evo_data(push, 0x00000000); -		evo_kick(push, sync); +		evo_kick(push, flip.chan);  	} + +	nv_wait_cb(device, nv50_display_flip_wait, &flip);  }  int @@ -496,11 +516,10 @@ nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,  		       struct nouveau_channel *chan, u32 swap_interval)  {  	struct nouveau_framebuffer *nv_fb = nouveau_framebuffer(fb); -	struct nv50_disp *disp = nv50_disp(crtc->dev);  	struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);  	struct nv50_sync *sync = nv50_sync(crtc); +	int head = nv_crtc->index, ret;  	u32 *push; -	int ret;  	swap_interval <<= 4;  	if (swap_interval == 0) @@ -510,58 +529,64 @@ nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,  	if (unlikely(push == NULL))  		return -EBUSY; -	/* synchronise with the rendering channel, if necessary */ -	if (likely(chan)) { -		ret = RING_SPACE(chan, 10); +	if (chan && nv_mclass(chan->object) < NV84_CHANNEL_IND_CLASS) { +		ret = RING_SPACE(chan, 8);  		if (ret)  			return ret; -		if (nv_mclass(chan->object) < NV84_CHANNEL_IND_CLASS) { -			BEGIN_NV04(chan, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 2); -			OUT_RING  (chan, NvEvoSema0 + nv_crtc->index); -			OUT_RING  (chan, sync->sem.offset); -			BEGIN_NV04(chan, 0, NV11_SUBCHAN_SEMAPHORE_RELEASE, 1); -			OUT_RING  (chan, 0xf00d0000 | sync->sem.value); -			BEGIN_NV04(chan, 0, NV11_SUBCHAN_SEMAPHORE_OFFSET, 2); -			OUT_RING  (chan, sync->sem.offset ^ 0x10); -			OUT_RING  (chan, 0x74b1e000); -			BEGIN_NV04(chan, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 1); -			OUT_RING  (chan, NvSema); -		} else -		if (nv_mclass(chan->object) < NVC0_CHANNEL_IND_CLASS) { -			u64 offset = nv84_fence_crtc(chan, nv_crtc->index); -			offset += sync->sem.offset; +		BEGIN_NV04(chan, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 2); +		OUT_RING  (chan, NvEvoSema0 + head); +		OUT_RING  (chan, sync->addr ^ 0x10); +		BEGIN_NV04(chan, 0, NV11_SUBCHAN_SEMAPHORE_RELEASE, 1); +		OUT_RING  (chan, sync->data + 1); +		BEGIN_NV04(chan, 0, NV11_SUBCHAN_SEMAPHORE_OFFSET, 2); +		OUT_RING  (chan, sync->addr); +		OUT_RING  (chan, sync->data); +	} else +	if (chan && nv_mclass(chan->object) < NVC0_CHANNEL_IND_CLASS) { +		u64 addr = nv84_fence_crtc(chan, head) + sync->addr; +		ret = RING_SPACE(chan, 12); +		if (ret) +			return ret; -			BEGIN_NV04(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4); -			OUT_RING  (chan, upper_32_bits(offset)); -			OUT_RING  (chan, lower_32_bits(offset)); -			OUT_RING  (chan, 0xf00d0000 | sync->sem.value); -			OUT_RING  (chan, 0x00000002); -			BEGIN_NV04(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4); -			OUT_RING  (chan, upper_32_bits(offset)); -			OUT_RING  (chan, lower_32_bits(offset ^ 0x10)); -			OUT_RING  (chan, 0x74b1e000); -			OUT_RING  (chan, 0x00000001); -		} else { -			u64 offset = nv84_fence_crtc(chan, nv_crtc->index); -			offset += sync->sem.offset; +		BEGIN_NV04(chan, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 1); +		OUT_RING  (chan, chan->vram); +		BEGIN_NV04(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4); +		OUT_RING  (chan, upper_32_bits(addr ^ 0x10)); +		OUT_RING  (chan, lower_32_bits(addr ^ 0x10)); +		OUT_RING  (chan, sync->data + 1); +		OUT_RING  (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_WRITE_LONG); +		BEGIN_NV04(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4); +		OUT_RING  (chan, upper_32_bits(addr)); +		OUT_RING  (chan, lower_32_bits(addr)); +		OUT_RING  (chan, sync->data); +		OUT_RING  (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_ACQUIRE_EQUAL); +	} else +	if (chan) { +		u64 addr = nv84_fence_crtc(chan, head) + sync->addr; +		ret = RING_SPACE(chan, 10); +		if (ret) +			return ret; -			BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4); -			OUT_RING  (chan, upper_32_bits(offset)); -			OUT_RING  (chan, lower_32_bits(offset)); -			OUT_RING  (chan, 0xf00d0000 | sync->sem.value); -			OUT_RING  (chan, 0x00001002); -			BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4); -			OUT_RING  (chan, upper_32_bits(offset)); -			OUT_RING  (chan, lower_32_bits(offset ^ 0x10)); -			OUT_RING  (chan, 0x74b1e000); -			OUT_RING  (chan, 0x00001001); -		} +		BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4); +		OUT_RING  (chan, upper_32_bits(addr ^ 0x10)); +		OUT_RING  (chan, lower_32_bits(addr ^ 0x10)); +		OUT_RING  (chan, sync->data + 1); +		OUT_RING  (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_WRITE_LONG | +				 NVC0_SUBCHAN_SEMAPHORE_TRIGGER_YIELD); +		BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4); +		OUT_RING  (chan, upper_32_bits(addr)); +		OUT_RING  (chan, lower_32_bits(addr)); +		OUT_RING  (chan, sync->data); +		OUT_RING  (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_ACQUIRE_EQUAL | +				 NVC0_SUBCHAN_SEMAPHORE_TRIGGER_YIELD); +	} +	if (chan) { +		sync->addr ^= 0x10; +		sync->data++;  		FIRE_RING (chan);  	} else { -		nouveau_bo_wr32(disp->sync, sync->sem.offset / 4, -				0xf00d0000 | sync->sem.value);  		evo_sync(crtc->dev);  	} @@ -575,9 +600,9 @@ nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,  		evo_data(push, 0x40000000);  	}  	evo_mthd(push, 0x0088, 4); -	evo_data(push, sync->sem.offset); -	evo_data(push, 0xf00d0000 | sync->sem.value); -	evo_data(push, 0x74b1e000); +	evo_data(push, sync->addr); +	evo_data(push, sync->data++); +	evo_data(push, sync->data);  	evo_data(push, NvEvoSync);  	evo_mthd(push, 0x00a0, 2);  	evo_data(push, 0x00000000); @@ -605,9 +630,6 @@ nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,  	evo_mthd(push, 0x0080, 1);  	evo_data(push, 0x00000000);  	evo_kick(push, sync); - -	sync->sem.offset ^= 0x10; -	sync->sem.value++;  	return 0;  } @@ -1379,7 +1401,8 @@ nv50_crtc_create(struct drm_device *dev, struct nouveau_object *core, int index)  	if (ret)  		goto out; -	head->sync.sem.offset = EVO_SYNC(1 + index, 0x00); +	head->sync.addr = EVO_FLIP_SEM0(index); +	head->sync.data = 0x00000000;  	/* allocate overlay resources */  	ret = nv50_pioc_create(disp->core, NV50_DISP_OIMM_CLASS, index, @@ -2112,15 +2135,23 @@ nv50_display_fini(struct drm_device *dev)  int  nv50_display_init(struct drm_device *dev)  { -	u32 *push = evo_wait(nv50_mast(dev), 32); -	if (push) { -		evo_mthd(push, 0x0088, 1); -		evo_data(push, NvEvoSync); -		evo_kick(push, nv50_mast(dev)); -		return 0; +	struct nv50_disp *disp = nv50_disp(dev); +	struct drm_crtc *crtc; +	u32 *push; + +	push = evo_wait(nv50_mast(dev), 32); +	if (!push) +		return -EBUSY; + +	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { +		struct nv50_sync *sync = nv50_sync(crtc); +		nouveau_bo_wr32(disp->sync, sync->addr / 4, sync->data);  	} -	return -EBUSY; +	evo_mthd(push, 0x0088, 1); +	evo_data(push, NvEvoSync); +	evo_kick(push, nv50_mast(dev)); +	return 0;  }  void @@ -2245,6 +2276,7 @@ nv50_display_create(struct drm_device *dev)  			NV_WARN(drm, "failed to create encoder %d/%d/%d: %d\n",  				     dcbe->location, dcbe->type,  				     ffs(dcbe->or) - 1, ret); +			ret = 0;  		}  	} diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 3c38ea46531..305a657bf21 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2438,6 +2438,12 @@ static u32 evergreen_gpu_check_soft_reset(struct radeon_device *rdev)  	if (tmp & L2_BUSY)  		reset_mask |= RADEON_RESET_VMC; +	/* Skip MC reset as it's mostly likely not hung, just busy */ +	if (reset_mask & RADEON_RESET_MC) { +		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask); +		reset_mask &= ~RADEON_RESET_MC; +	} +  	return reset_mask;  } diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c index 99fb13286fd..eb8ac315f92 100644 --- a/drivers/gpu/drm/radeon/evergreen_cs.c +++ b/drivers/gpu/drm/radeon/evergreen_cs.c @@ -834,7 +834,7 @@ static int evergreen_cs_track_validate_texture(struct radeon_cs_parser *p,  			 __func__, __LINE__, toffset, surf.base_align);  		return -EINVAL;  	} -	if (moffset & (surf.base_align - 1)) { +	if (surf.nsamples <= 1 && moffset & (surf.base_align - 1)) {  		dev_warn(p->dev, "%s:%d mipmap bo base %ld not aligned with %ld\n",  			 __func__, __LINE__, moffset, surf.base_align);  		return -EINVAL; diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 7cead763be9..d4c633e1286 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1381,6 +1381,12 @@ static u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev)  	if (tmp & L2_BUSY)  		reset_mask |= RADEON_RESET_VMC; +	/* Skip MC reset as it's mostly likely not hung, just busy */ +	if (reset_mask & RADEON_RESET_MC) { +		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask); +		reset_mask &= ~RADEON_RESET_MC; +	} +  	return reset_mask;  } diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 6d4b5611daf..0740db3fcd2 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -1394,6 +1394,12 @@ static u32 r600_gpu_check_soft_reset(struct radeon_device *rdev)  	if (r600_is_display_hung(rdev))  		reset_mask |= RADEON_RESET_DISPLAY; +	/* Skip MC reset as it's mostly likely not hung, just busy */ +	if (reset_mask & RADEON_RESET_MC) { +		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask); +		reset_mask &= ~RADEON_RESET_MC; +	} +  	return reset_mask;  } diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 3e403bdda58..78edadc9e86 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -970,6 +970,15 @@ struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct  			found = 1;  	} +	/* quirks */ +	/* Radeon 9100 (R200) */ +	if ((dev->pdev->device == 0x514D) && +	    (dev->pdev->subsystem_vendor == 0x174B) && +	    (dev->pdev->subsystem_device == 0x7149)) { +		/* vbios value is bad, use the default */ +		found = 0; +	} +  	if (!found) /* fallback to defaults */  		radeon_legacy_get_primary_dac_info_from_table(rdev, p_dac); diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index 167758488ed..66a7f0fd962 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -70,9 +70,10 @@   *   2.27.0 - r600-SI: Add CS ioctl support for async DMA   *   2.28.0 - r600-eg: Add MEM_WRITE packet support   *   2.29.0 - R500 FP16 color clear registers + *   2.30.0 - fix for FMASK texturing   */  #define KMS_DRIVER_MAJOR	2 -#define KMS_DRIVER_MINOR	29 +#define KMS_DRIVER_MINOR	30  #define KMS_DRIVER_PATCHLEVEL	0  int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);  int radeon_driver_unload_kms(struct drm_device *dev); diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c index 90374dd7796..48f80cd42d8 100644 --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c @@ -400,6 +400,9 @@ void radeon_irq_kms_enable_afmt(struct radeon_device *rdev, int block)  {  	unsigned long irqflags; +	if (!rdev->ddev->irq_enabled) +		return; +  	spin_lock_irqsave(&rdev->irq.lock, irqflags);  	rdev->irq.afmt[block] = true;  	radeon_irq_set(rdev); @@ -419,6 +422,9 @@ void radeon_irq_kms_disable_afmt(struct radeon_device *rdev, int block)  {  	unsigned long irqflags; +	if (!rdev->ddev->irq_enabled) +		return; +  	spin_lock_irqsave(&rdev->irq.lock, irqflags);  	rdev->irq.afmt[block] = false;  	radeon_irq_set(rdev); @@ -438,6 +444,9 @@ void radeon_irq_kms_enable_hpd(struct radeon_device *rdev, unsigned hpd_mask)  	unsigned long irqflags;  	int i; +	if (!rdev->ddev->irq_enabled) +		return; +  	spin_lock_irqsave(&rdev->irq.lock, irqflags);  	for (i = 0; i < RADEON_MAX_HPD_PINS; ++i)  		rdev->irq.hpd[i] |= !!(hpd_mask & (1 << i)); @@ -458,6 +467,9 @@ void radeon_irq_kms_disable_hpd(struct radeon_device *rdev, unsigned hpd_mask)  	unsigned long irqflags;  	int i; +	if (!rdev->ddev->irq_enabled) +		return; +  	spin_lock_irqsave(&rdev->irq.lock, irqflags);  	for (i = 0; i < RADEON_MAX_HPD_PINS; ++i)  		rdev->irq.hpd[i] &= !(hpd_mask & (1 << i)); diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 80979ed951e..9128120da04 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -2284,6 +2284,12 @@ static u32 si_gpu_check_soft_reset(struct radeon_device *rdev)  	if (tmp & L2_BUSY)  		reset_mask |= RADEON_RESET_VMC; +	/* Skip MC reset as it's mostly likely not hung, just busy */ +	if (reset_mask & RADEON_RESET_MC) { +		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask); +		reset_mask &= ~RADEON_RESET_MC; +	} +  	return reset_mask;  } diff --git a/drivers/gpu/drm/tegra/Kconfig b/drivers/gpu/drm/tegra/Kconfig index c92955df065..be1daf7344d 100644 --- a/drivers/gpu/drm/tegra/Kconfig +++ b/drivers/gpu/drm/tegra/Kconfig @@ -4,7 +4,6 @@ config DRM_TEGRA  	select DRM_KMS_HELPER  	select DRM_GEM_CMA_HELPER  	select DRM_KMS_CMA_HELPER -	select DRM_HDMI  	select FB_CFB_FILLRECT  	select FB_CFB_COPYAREA  	select FB_CFB_IMAGEBLIT diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c index 9500f2f3f8f..8758f38c948 100644 --- a/drivers/hid/hid-logitech-dj.c +++ b/drivers/hid/hid-logitech-dj.c @@ -459,19 +459,25 @@ static int logi_dj_recv_send_report(struct dj_receiver_dev *djrcv_dev,  				    struct dj_report *dj_report)  {  	struct hid_device *hdev = djrcv_dev->hdev; -	int sent_bytes; +	struct hid_report *report; +	struct hid_report_enum *output_report_enum; +	u8 *data = (u8 *)(&dj_report->device_index); +	int i; -	if (!hdev->hid_output_raw_report) { -		dev_err(&hdev->dev, "%s:" -			"hid_output_raw_report is null\n", __func__); +	output_report_enum = &hdev->report_enum[HID_OUTPUT_REPORT]; +	report = output_report_enum->report_id_hash[REPORT_ID_DJ_SHORT]; + +	if (!report) { +		dev_err(&hdev->dev, "%s: unable to find dj report\n", __func__);  		return -ENODEV;  	} -	sent_bytes = hdev->hid_output_raw_report(hdev, (u8 *) dj_report, -						 sizeof(struct dj_report), -						 HID_OUTPUT_REPORT); +	for (i = 0; i < report->field[0]->report_count; i++) +		report->field[0]->value[i] = data[i]; + +	usbhid_submit_report(hdev, report, USB_DIR_OUT); -	return (sent_bytes < 0) ? sent_bytes : 0; +	return 0;  }  static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev) diff --git a/drivers/hwmon/lineage-pem.c b/drivers/hwmon/lineage-pem.c index 41df29f59b0..ebbb9f4f27a 100644 --- a/drivers/hwmon/lineage-pem.c +++ b/drivers/hwmon/lineage-pem.c @@ -422,6 +422,7 @@ static struct attribute *pem_input_attributes[] = {  	&sensor_dev_attr_in2_input.dev_attr.attr,  	&sensor_dev_attr_curr1_input.dev_attr.attr,  	&sensor_dev_attr_power1_input.dev_attr.attr, +	NULL  };  static const struct attribute_group pem_input_group = { @@ -432,6 +433,7 @@ static struct attribute *pem_fan_attributes[] = {  	&sensor_dev_attr_fan1_input.dev_attr.attr,  	&sensor_dev_attr_fan2_input.dev_attr.attr,  	&sensor_dev_attr_fan3_input.dev_attr.attr, +	NULL  };  static const struct attribute_group pem_fan_group = { diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c index 9652a2c92a2..6d6130752f9 100644 --- a/drivers/hwmon/pmbus/ltc2978.c +++ b/drivers/hwmon/pmbus/ltc2978.c @@ -59,10 +59,10 @@ enum chips { ltc2978, ltc3880 };  struct ltc2978_data {  	enum chips id;  	int vin_min, vin_max; -	int temp_min, temp_max; +	int temp_min, temp_max[2];  	int vout_min[8], vout_max[8];  	int iout_max[2]; -	int temp2_max[2]; +	int temp2_max;  	struct pmbus_driver_info info;  }; @@ -113,9 +113,10 @@ static int ltc2978_read_word_data_common(struct i2c_client *client, int page,  		ret = pmbus_read_word_data(client, page,  					   LTC2978_MFR_TEMPERATURE_PEAK);  		if (ret >= 0) { -			if (lin11_to_val(ret) > lin11_to_val(data->temp_max)) -				data->temp_max = ret; -			ret = data->temp_max; +			if (lin11_to_val(ret) +			    > lin11_to_val(data->temp_max[page])) +				data->temp_max[page] = ret; +			ret = data->temp_max[page];  		}  		break;  	case PMBUS_VIRT_RESET_VOUT_HISTORY: @@ -204,10 +205,9 @@ static int ltc3880_read_word_data(struct i2c_client *client, int page, int reg)  		ret = pmbus_read_word_data(client, page,  					   LTC3880_MFR_TEMPERATURE2_PEAK);  		if (ret >= 0) { -			if (lin11_to_val(ret) -			    > lin11_to_val(data->temp2_max[page])) -				data->temp2_max[page] = ret; -			ret = data->temp2_max[page]; +			if (lin11_to_val(ret) > lin11_to_val(data->temp2_max)) +				data->temp2_max = ret; +			ret = data->temp2_max;  		}  		break;  	case PMBUS_VIRT_READ_VIN_MIN: @@ -248,11 +248,11 @@ static int ltc2978_write_word_data(struct i2c_client *client, int page,  	switch (reg) {  	case PMBUS_VIRT_RESET_IOUT_HISTORY: -		data->iout_max[page] = 0x7fff; +		data->iout_max[page] = 0x7c00;  		ret = ltc2978_clear_peaks(client, page, data->id);  		break;  	case PMBUS_VIRT_RESET_TEMP2_HISTORY: -		data->temp2_max[page] = 0x7fff; +		data->temp2_max = 0x7c00;  		ret = ltc2978_clear_peaks(client, page, data->id);  		break;  	case PMBUS_VIRT_RESET_VOUT_HISTORY: @@ -262,12 +262,12 @@ static int ltc2978_write_word_data(struct i2c_client *client, int page,  		break;  	case PMBUS_VIRT_RESET_VIN_HISTORY:  		data->vin_min = 0x7bff; -		data->vin_max = 0; +		data->vin_max = 0x7c00;  		ret = ltc2978_clear_peaks(client, page, data->id);  		break;  	case PMBUS_VIRT_RESET_TEMP_HISTORY:  		data->temp_min = 0x7bff; -		data->temp_max = 0x7fff; +		data->temp_max[page] = 0x7c00;  		ret = ltc2978_clear_peaks(client, page, data->id);  		break;  	default: @@ -321,12 +321,14 @@ static int ltc2978_probe(struct i2c_client *client,  	info = &data->info;  	info->write_word_data = ltc2978_write_word_data; -	data->vout_min[0] = 0xffff;  	data->vin_min = 0x7bff; +	data->vin_max = 0x7c00;  	data->temp_min = 0x7bff; -	data->temp_max = 0x7fff; +	for (i = 0; i < ARRAY_SIZE(data->temp_max); i++) +		data->temp_max[i] = 0x7c00; +	data->temp2_max = 0x7c00; -	switch (id->driver_data) { +	switch (data->id) {  	case ltc2978:  		info->read_word_data = ltc2978_read_word_data;  		info->pages = 8; @@ -336,7 +338,6 @@ static int ltc2978_probe(struct i2c_client *client,  		for (i = 1; i < 8; i++) {  			info->func[i] = PMBUS_HAVE_VOUT  			  | PMBUS_HAVE_STATUS_VOUT; -			data->vout_min[i] = 0xffff;  		}  		break;  	case ltc3880: @@ -352,11 +353,14 @@ static int ltc2978_probe(struct i2c_client *client,  		  | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT  		  | PMBUS_HAVE_POUT  		  | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP; -		data->vout_min[1] = 0xffff; +		data->iout_max[0] = 0x7c00; +		data->iout_max[1] = 0x7c00;  		break;  	default:  		return -ENODEV;  	} +	for (i = 0; i < info->pages; i++) +		data->vout_min[i] = 0xffff;  	return pmbus_do_probe(client, id, info);  } diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index 80eef50c50f..9add60920ac 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -766,12 +766,14 @@ static ssize_t pmbus_show_label(struct device *dev,  static int pmbus_add_attribute(struct pmbus_data *data, struct attribute *attr)  {  	if (data->num_attributes >= data->max_attributes - 1) { -		data->max_attributes += PMBUS_ATTR_ALLOC_SIZE; -		data->group.attrs = krealloc(data->group.attrs, -					     sizeof(struct attribute *) * -					     data->max_attributes, GFP_KERNEL); -		if (data->group.attrs == NULL) +		int new_max_attrs = data->max_attributes + PMBUS_ATTR_ALLOC_SIZE; +		void *new_attrs = krealloc(data->group.attrs, +					   new_max_attrs * sizeof(void *), +					   GFP_KERNEL); +		if (!new_attrs)  			return -ENOMEM; +		data->group.attrs = new_attrs; +		data->max_attributes = new_max_attrs;  	}  	data->group.attrs[data->num_attributes++] = attr; diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c index bfe326e896d..2507f902fb7 100644 --- a/drivers/hwmon/sht15.c +++ b/drivers/hwmon/sht15.c @@ -965,7 +965,13 @@ static int sht15_probe(struct platform_device *pdev)  		if (voltage)  			data->supply_uv = voltage; -		regulator_enable(data->reg); +		ret = regulator_enable(data->reg); +		if (ret != 0) { +			dev_err(&pdev->dev, +				"failed to enable regulator: %d\n", ret); +			return ret; +		} +  		/*  		 * Setup a notifier block to update this if another device  		 * causes the voltage to change diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c index 0198324a8b0..bd33473f8e3 100644 --- a/drivers/iio/common/st_sensors/st_sensors_core.c +++ b/drivers/iio/common/st_sensors/st_sensors_core.c @@ -62,7 +62,7 @@ st_sensors_match_odr_error:  int st_sensors_set_odr(struct iio_dev *indio_dev, unsigned int odr)  {  	int err; -	struct st_sensor_odr_avl odr_out; +	struct st_sensor_odr_avl odr_out = {0, 0};  	struct st_sensor_data *sdata = iio_priv(indio_dev);  	err = st_sensors_match_odr(sdata->sensor, odr, &odr_out); @@ -114,7 +114,7 @@ st_sensors_match_odr_error:  static int st_sensors_set_fullscale(struct iio_dev *indio_dev, unsigned int fs)  { -	int err, i; +	int err, i = 0;  	struct st_sensor_data *sdata = iio_priv(indio_dev);  	err = st_sensors_match_fs(sdata->sensor, fs, &i); @@ -139,14 +139,13 @@ st_accel_set_fullscale_error:  int st_sensors_set_enable(struct iio_dev *indio_dev, bool enable)  { -	bool found;  	u8 tmp_value;  	int err = -EINVAL; -	struct st_sensor_odr_avl odr_out; +	bool found = false; +	struct st_sensor_odr_avl odr_out = {0, 0};  	struct st_sensor_data *sdata = iio_priv(indio_dev);  	if (enable) { -		found = false;  		tmp_value = sdata->sensor->pw.value_on;  		if ((sdata->sensor->odr.addr == sdata->sensor->pw.addr) &&  			(sdata->sensor->odr.mask == sdata->sensor->pw.mask)) { diff --git a/drivers/iio/dac/ad5064.c b/drivers/iio/dac/ad5064.c index 2fe1d4edcb2..74f2d52795f 100644 --- a/drivers/iio/dac/ad5064.c +++ b/drivers/iio/dac/ad5064.c @@ -27,7 +27,6 @@  #define AD5064_ADDR(x)				((x) << 20)  #define AD5064_CMD(x)				((x) << 24) -#define AD5064_ADDR_DAC(chan)			(chan)  #define AD5064_ADDR_ALL_DAC			0xF  #define AD5064_CMD_WRITE_INPUT_N		0x0 @@ -131,15 +130,15 @@ static int ad5064_write(struct ad5064_state *st, unsigned int cmd,  }  static int ad5064_sync_powerdown_mode(struct ad5064_state *st, -	unsigned int channel) +	const struct iio_chan_spec *chan)  {  	unsigned int val;  	int ret; -	val = (0x1 << channel); +	val = (0x1 << chan->address); -	if (st->pwr_down[channel]) -		val |= st->pwr_down_mode[channel] << 8; +	if (st->pwr_down[chan->channel]) +		val |= st->pwr_down_mode[chan->channel] << 8;  	ret = ad5064_write(st, AD5064_CMD_POWERDOWN_DAC, 0, val, 0); @@ -169,7 +168,7 @@ static int ad5064_set_powerdown_mode(struct iio_dev *indio_dev,  	mutex_lock(&indio_dev->mlock);  	st->pwr_down_mode[chan->channel] = mode + 1; -	ret = ad5064_sync_powerdown_mode(st, chan->channel); +	ret = ad5064_sync_powerdown_mode(st, chan);  	mutex_unlock(&indio_dev->mlock);  	return ret; @@ -205,7 +204,7 @@ static ssize_t ad5064_write_dac_powerdown(struct iio_dev *indio_dev,  	mutex_lock(&indio_dev->mlock);  	st->pwr_down[chan->channel] = pwr_down; -	ret = ad5064_sync_powerdown_mode(st, chan->channel); +	ret = ad5064_sync_powerdown_mode(st, chan);  	mutex_unlock(&indio_dev->mlock);  	return ret ? ret : len;  } @@ -258,7 +257,7 @@ static int ad5064_write_raw(struct iio_dev *indio_dev,  	switch (mask) {  	case IIO_CHAN_INFO_RAW: -		if (val > (1 << chan->scan_type.realbits) || val < 0) +		if (val >= (1 << chan->scan_type.realbits) || val < 0)  			return -EINVAL;  		mutex_lock(&indio_dev->mlock); @@ -292,34 +291,44 @@ static const struct iio_chan_spec_ext_info ad5064_ext_info[] = {  	{ },  }; -#define AD5064_CHANNEL(chan, bits) {				\ +#define AD5064_CHANNEL(chan, addr, bits) {			\  	.type = IIO_VOLTAGE,					\  	.indexed = 1,						\  	.output = 1,						\  	.channel = (chan),					\  	.info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT |		\  	IIO_CHAN_INFO_SCALE_SEPARATE_BIT,			\ -	.address = AD5064_ADDR_DAC(chan),			\ +	.address = addr,					\  	.scan_type = IIO_ST('u', (bits), 16, 20 - (bits)),	\  	.ext_info = ad5064_ext_info,				\  }  #define DECLARE_AD5064_CHANNELS(name, bits) \  const struct iio_chan_spec name[] = { \ -	AD5064_CHANNEL(0, bits), \ -	AD5064_CHANNEL(1, bits), \ -	AD5064_CHANNEL(2, bits), \ -	AD5064_CHANNEL(3, bits), \ -	AD5064_CHANNEL(4, bits), \ -	AD5064_CHANNEL(5, bits), \ -	AD5064_CHANNEL(6, bits), \ -	AD5064_CHANNEL(7, bits), \ +	AD5064_CHANNEL(0, 0, bits), \ +	AD5064_CHANNEL(1, 1, bits), \ +	AD5064_CHANNEL(2, 2, bits), \ +	AD5064_CHANNEL(3, 3, bits), \ +	AD5064_CHANNEL(4, 4, bits), \ +	AD5064_CHANNEL(5, 5, bits), \ +	AD5064_CHANNEL(6, 6, bits), \ +	AD5064_CHANNEL(7, 7, bits), \ +} + +#define DECLARE_AD5065_CHANNELS(name, bits) \ +const struct iio_chan_spec name[] = { \ +	AD5064_CHANNEL(0, 0, bits), \ +	AD5064_CHANNEL(1, 3, bits), \  }  static DECLARE_AD5064_CHANNELS(ad5024_channels, 12);  static DECLARE_AD5064_CHANNELS(ad5044_channels, 14);  static DECLARE_AD5064_CHANNELS(ad5064_channels, 16); +static DECLARE_AD5065_CHANNELS(ad5025_channels, 12); +static DECLARE_AD5065_CHANNELS(ad5045_channels, 14); +static DECLARE_AD5065_CHANNELS(ad5065_channels, 16); +  static const struct ad5064_chip_info ad5064_chip_info_tbl[] = {  	[ID_AD5024] = {  		.shared_vref = false, @@ -328,7 +337,7 @@ static const struct ad5064_chip_info ad5064_chip_info_tbl[] = {  	},  	[ID_AD5025] = {  		.shared_vref = false, -		.channels = ad5024_channels, +		.channels = ad5025_channels,  		.num_channels = 2,  	},  	[ID_AD5044] = { @@ -338,7 +347,7 @@ static const struct ad5064_chip_info ad5064_chip_info_tbl[] = {  	},  	[ID_AD5045] = {  		.shared_vref = false, -		.channels = ad5044_channels, +		.channels = ad5045_channels,  		.num_channels = 2,  	},  	[ID_AD5064] = { @@ -353,7 +362,7 @@ static const struct ad5064_chip_info ad5064_chip_info_tbl[] = {  	},  	[ID_AD5065] = {  		.shared_vref = false, -		.channels = ad5064_channels, +		.channels = ad5065_channels,  		.num_channels = 2,  	},  	[ID_AD5628_1] = { @@ -429,6 +438,7 @@ static int ad5064_probe(struct device *dev, enum ad5064_type type,  {  	struct iio_dev *indio_dev;  	struct ad5064_state *st; +	unsigned int midscale;  	unsigned int i;  	int ret; @@ -465,11 +475,6 @@ static int ad5064_probe(struct device *dev, enum ad5064_type type,  			goto error_free_reg;  	} -	for (i = 0; i < st->chip_info->num_channels; ++i) { -		st->pwr_down_mode[i] = AD5064_LDAC_PWRDN_1K; -		st->dac_cache[i] = 0x8000; -	} -  	indio_dev->dev.parent = dev;  	indio_dev->name = name;  	indio_dev->info = &ad5064_info; @@ -477,6 +482,13 @@ static int ad5064_probe(struct device *dev, enum ad5064_type type,  	indio_dev->channels = st->chip_info->channels;  	indio_dev->num_channels = st->chip_info->num_channels; +	midscale = (1 << indio_dev->channels[0].scan_type.realbits) /  2; + +	for (i = 0; i < st->chip_info->num_channels; ++i) { +		st->pwr_down_mode[i] = AD5064_LDAC_PWRDN_1K; +		st->dac_cache[i] = midscale; +	} +  	ret = iio_device_register(indio_dev);  	if (ret)  		goto error_disable_reg; diff --git a/drivers/iio/imu/inv_mpu6050/Kconfig b/drivers/iio/imu/inv_mpu6050/Kconfig index b5cfa3a354c..361b2328453 100644 --- a/drivers/iio/imu/inv_mpu6050/Kconfig +++ b/drivers/iio/imu/inv_mpu6050/Kconfig @@ -5,6 +5,7 @@  config INV_MPU6050_IIO  	tristate "Invensense MPU6050 devices"  	depends on I2C && SYSFS +	select IIO_BUFFER  	select IIO_TRIGGERED_BUFFER  	help  	  This driver supports the Invensense MPU6050 devices. diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c index a479375a8fd..e0c404bdc4a 100644 --- a/drivers/infiniband/hw/ipath/ipath_fs.c +++ b/drivers/infiniband/hw/ipath/ipath_fs.c @@ -410,6 +410,7 @@ static struct file_system_type ipathfs_fs_type = {  	.mount =	ipathfs_mount,  	.kill_sb =	ipathfs_kill_super,  }; +MODULE_ALIAS_FS("ipathfs");  int __init ipath_init_ipathfs(void)  { diff --git a/drivers/infiniband/hw/mlx4/cm.c b/drivers/infiniband/hw/mlx4/cm.c index e0d79b2395e..add98d01476 100644 --- a/drivers/infiniband/hw/mlx4/cm.c +++ b/drivers/infiniband/hw/mlx4/cm.c @@ -362,7 +362,6 @@ void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev)  	INIT_LIST_HEAD(&dev->sriov.cm_list);  	dev->sriov.sl_id_map = RB_ROOT;  	idr_init(&dev->sriov.pv_id_table); -	idr_pre_get(&dev->sriov.pv_id_table, GFP_KERNEL);  }  /* slave = -1 ==> all slaves */ diff --git a/drivers/infiniband/hw/qib/qib_fs.c b/drivers/infiniband/hw/qib/qib_fs.c index 644bd6f6467..f247fc6e618 100644 --- a/drivers/infiniband/hw/qib/qib_fs.c +++ b/drivers/infiniband/hw/qib/qib_fs.c @@ -604,6 +604,7 @@ static struct file_system_type qibfs_fs_type = {  	.mount =        qibfs_mount,  	.kill_sb =      qibfs_kill_super,  }; +MODULE_ALIAS_FS("ipathfs");  int __init qib_init_qibfs(void)  { diff --git a/drivers/input/keyboard/tc3589x-keypad.c b/drivers/input/keyboard/tc3589x-keypad.c index 2fb0d76a04c..208de7cbb7f 100644 --- a/drivers/input/keyboard/tc3589x-keypad.c +++ b/drivers/input/keyboard/tc3589x-keypad.c @@ -70,8 +70,6 @@  #define TC3589x_EVT_INT_CLR	0x2  #define TC3589x_KBD_INT_CLR	0x1 -#define TC3589x_KBD_KEYMAP_SIZE     64 -  /**   * struct tc_keypad - data structure used by keypad driver   * @tc3589x:    pointer to tc35893 @@ -88,7 +86,7 @@ struct tc_keypad {  	const struct tc3589x_keypad_platform_data *board;  	unsigned int krow;  	unsigned int kcol; -	unsigned short keymap[TC3589x_KBD_KEYMAP_SIZE]; +	unsigned short *keymap;  	bool keypad_stopped;  }; @@ -338,12 +336,14 @@ static int tc3589x_keypad_probe(struct platform_device *pdev)  	error = matrix_keypad_build_keymap(plat->keymap_data, NULL,  					   TC3589x_MAX_KPROW, TC3589x_MAX_KPCOL, -					   keypad->keymap, input); +					   NULL, input);  	if (error) {  		dev_err(&pdev->dev, "Failed to build keymap\n");  		goto err_free_mem;  	} +	keypad->keymap = input->keycode; +  	input_set_capability(input, EV_MSC, MSC_SCAN);  	if (!plat->no_autorepeat)  		__set_bit(EV_REP, input->evbit); diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index 7b99fc7c943..0238e0e1433 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -490,6 +490,29 @@ static void alps_decode_rushmore(struct alps_fields *f, unsigned char *p)  	f->y_map |= (p[5] & 0x20) << 6;  } +static void alps_decode_dolphin(struct alps_fields *f, unsigned char *p) +{ +	f->first_mp = !!(p[0] & 0x02); +	f->is_mp = !!(p[0] & 0x20); + +	f->fingers = ((p[0] & 0x6) >> 1 | +		     (p[0] & 0x10) >> 2); +	f->x_map = ((p[2] & 0x60) >> 5) | +		   ((p[4] & 0x7f) << 2) | +		   ((p[5] & 0x7f) << 9) | +		   ((p[3] & 0x07) << 16) | +		   ((p[3] & 0x70) << 15) | +		   ((p[0] & 0x01) << 22); +	f->y_map = (p[1] & 0x7f) | +		   ((p[2] & 0x1f) << 7); + +	f->x = ((p[1] & 0x7f) | ((p[4] & 0x0f) << 7)); +	f->y = ((p[2] & 0x7f) | ((p[4] & 0xf0) << 3)); +	f->z = (p[0] & 4) ? 0 : p[5] & 0x7f; + +	alps_decode_buttons_v3(f, p); +} +  static void alps_process_touchpad_packet_v3(struct psmouse *psmouse)  {  	struct alps_data *priv = psmouse->private; @@ -874,7 +897,8 @@ static psmouse_ret_t alps_process_byte(struct psmouse *psmouse)  	}  	/* Bytes 2 - pktsize should have 0 in the highest bit */ -	if (psmouse->pktcnt >= 2 && psmouse->pktcnt <= psmouse->pktsize && +	if (priv->proto_version != ALPS_PROTO_V5 && +	    psmouse->pktcnt >= 2 && psmouse->pktcnt <= psmouse->pktsize &&  	    (psmouse->packet[psmouse->pktcnt - 1] & 0x80)) {  		psmouse_dbg(psmouse, "refusing packet[%i] = %x\n",  			    psmouse->pktcnt - 1, @@ -994,8 +1018,7 @@ static int alps_rpt_cmd(struct psmouse *psmouse, int init_command,  	return 0;  } -static int alps_enter_command_mode(struct psmouse *psmouse, -				   unsigned char *resp) +static int alps_enter_command_mode(struct psmouse *psmouse)  {  	unsigned char param[4]; @@ -1004,14 +1027,12 @@ static int alps_enter_command_mode(struct psmouse *psmouse,  		return -1;  	} -	if (param[0] != 0x88 || (param[1] != 0x07 && param[1] != 0x08)) { +	if ((param[0] != 0x88 || (param[1] != 0x07 && param[1] != 0x08)) && +	    param[0] != 0x73) {  		psmouse_dbg(psmouse,  			    "unknown response while entering command mode\n");  		return -1;  	} - -	if (resp) -		*resp = param[2];  	return 0;  } @@ -1176,7 +1197,7 @@ static int alps_passthrough_mode_v3(struct psmouse *psmouse,  {  	int reg_val, ret = -1; -	if (alps_enter_command_mode(psmouse, NULL)) +	if (alps_enter_command_mode(psmouse))  		return -1;  	reg_val = alps_command_mode_read_reg(psmouse, reg_base + 0x0008); @@ -1216,7 +1237,7 @@ static int alps_probe_trackstick_v3(struct psmouse *psmouse, int reg_base)  {  	int ret = -EIO, reg_val; -	if (alps_enter_command_mode(psmouse, NULL)) +	if (alps_enter_command_mode(psmouse))  		goto error;  	reg_val = alps_command_mode_read_reg(psmouse, reg_base + 0x08); @@ -1279,7 +1300,7 @@ static int alps_setup_trackstick_v3(struct psmouse *psmouse, int reg_base)  		 * supported by this driver. If bit 1 isn't set the packet  		 * format is different.  		 */ -		if (alps_enter_command_mode(psmouse, NULL) || +		if (alps_enter_command_mode(psmouse) ||  		    alps_command_mode_write_reg(psmouse,  						reg_base + 0x08, 0x82) ||  		    alps_exit_command_mode(psmouse)) @@ -1306,7 +1327,7 @@ static int alps_hw_init_v3(struct psmouse *psmouse)  	    alps_setup_trackstick_v3(psmouse, ALPS_REG_BASE_PINNACLE) == -EIO)  		goto error; -	if (alps_enter_command_mode(psmouse, NULL) || +	if (alps_enter_command_mode(psmouse) ||  	    alps_absolute_mode_v3(psmouse)) {  		psmouse_err(psmouse, "Failed to enter absolute mode\n");  		goto error; @@ -1381,7 +1402,7 @@ static int alps_hw_init_rushmore_v3(struct psmouse *psmouse)  			priv->flags &= ~ALPS_DUALPOINT;  	} -	if (alps_enter_command_mode(psmouse, NULL) || +	if (alps_enter_command_mode(psmouse) ||  	    alps_command_mode_read_reg(psmouse, 0xc2d9) == -1 ||  	    alps_command_mode_write_reg(psmouse, 0xc2cb, 0x00))  		goto error; @@ -1431,7 +1452,7 @@ static int alps_hw_init_v4(struct psmouse *psmouse)  	struct ps2dev *ps2dev = &psmouse->ps2dev;  	unsigned char param[4]; -	if (alps_enter_command_mode(psmouse, NULL)) +	if (alps_enter_command_mode(psmouse))  		goto error;  	if (alps_absolute_mode_v4(psmouse)) { @@ -1499,6 +1520,23 @@ error:  	return -1;  } +static int alps_hw_init_dolphin_v1(struct psmouse *psmouse) +{ +	struct ps2dev *ps2dev = &psmouse->ps2dev; +	unsigned char param[2]; + +	/* This is dolphin "v1" as empirically defined by florin9doi */ +	param[0] = 0x64; +	param[1] = 0x28; + +	if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) || +	    ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || +	    ps2_command(ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE)) +		return -1; + +	return 0; +} +  static void alps_set_defaults(struct alps_data *priv)  {  	priv->byte0 = 0x8f; @@ -1532,6 +1570,21 @@ static void alps_set_defaults(struct alps_data *priv)  		priv->nibble_commands = alps_v4_nibble_commands;  		priv->addr_command = PSMOUSE_CMD_DISABLE;  		break; +	case ALPS_PROTO_V5: +		priv->hw_init = alps_hw_init_dolphin_v1; +		priv->process_packet = alps_process_packet_v3; +		priv->decode_fields = alps_decode_dolphin; +		priv->set_abs_params = alps_set_abs_params_mt; +		priv->nibble_commands = alps_v3_nibble_commands; +		priv->addr_command = PSMOUSE_CMD_RESET_WRAP; +		priv->byte0 = 0xc8; +		priv->mask0 = 0xc8; +		priv->flags = 0; +		priv->x_max = 1360; +		priv->y_max = 660; +		priv->x_bits = 23; +		priv->y_bits = 12; +		break;  	}  } @@ -1592,6 +1645,12 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv)  	if (alps_match_table(psmouse, priv, e7, ec) == 0) {  		return 0; +	} else if (e7[0] == 0x73 && e7[1] == 0x03 && e7[2] == 0x50 && +		   ec[0] == 0x73 && ec[1] == 0x01) { +		priv->proto_version = ALPS_PROTO_V5; +		alps_set_defaults(priv); + +		return 0;  	} else if (ec[0] == 0x88 && ec[1] == 0x08) {  		priv->proto_version = ALPS_PROTO_V3;  		alps_set_defaults(priv); diff --git a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h index 970480551b6..eee59853b9c 100644 --- a/drivers/input/mouse/alps.h +++ b/drivers/input/mouse/alps.h @@ -16,6 +16,7 @@  #define ALPS_PROTO_V2	2  #define ALPS_PROTO_V3	3  #define ALPS_PROTO_V4	4 +#define ALPS_PROTO_V5	5  /**   * struct alps_model_info - touchpad ID table diff --git a/drivers/input/mouse/cypress_ps2.c b/drivers/input/mouse/cypress_ps2.c index 1673dc6c809..f51765fff05 100644 --- a/drivers/input/mouse/cypress_ps2.c +++ b/drivers/input/mouse/cypress_ps2.c @@ -236,6 +236,13 @@ static int cypress_read_fw_version(struct psmouse *psmouse)  	cytp->fw_version = param[2] & FW_VERSION_MASX;  	cytp->tp_metrics_supported = (param[2] & TP_METRICS_MASK) ? 1 : 0; +	/* +	 * Trackpad fw_version 11 (in Dell XPS12) yields a bogus response to +	 * CYTP_CMD_READ_TP_METRICS so do not try to use it. LP: #1103594. +	 */ +	if (cytp->fw_version >= 11) +		cytp->tp_metrics_supported = 0; +  	psmouse_dbg(psmouse, "cytp->fw_version = %d\n", cytp->fw_version);  	psmouse_dbg(psmouse, "cytp->tp_metrics_supported = %d\n",  		 cytp->tp_metrics_supported); @@ -258,6 +265,9 @@ static int cypress_read_tp_metrics(struct psmouse *psmouse)  	cytp->tp_res_x = cytp->tp_max_abs_x / cytp->tp_width;  	cytp->tp_res_y = cytp->tp_max_abs_y / cytp->tp_high; +	if (!cytp->tp_metrics_supported) +		return 0; +  	memset(param, 0, sizeof(param));  	if (cypress_send_ext_cmd(psmouse, CYTP_CMD_READ_TP_METRICS, param) == 0) {  		/* Update trackpad parameters. */ @@ -315,18 +325,15 @@ static int cypress_read_tp_metrics(struct psmouse *psmouse)  static int cypress_query_hardware(struct psmouse *psmouse)  { -	struct cytp_data *cytp = psmouse->private;  	int ret;  	ret = cypress_read_fw_version(psmouse);  	if (ret)  		return ret; -	if (cytp->tp_metrics_supported) { -		ret = cypress_read_tp_metrics(psmouse); -		if (ret) -			return ret; -	} +	ret = cypress_read_tp_metrics(psmouse); +	if (ret) +		return ret;  	return 0;  } diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c index 41b6fbf6011..1daa97913b7 100644 --- a/drivers/input/tablet/wacom_wac.c +++ b/drivers/input/tablet/wacom_wac.c @@ -2017,6 +2017,9 @@ static const struct wacom_features wacom_features_0x100 =  static const struct wacom_features wacom_features_0x101 =  	{ "Wacom ISDv4 101",      WACOM_PKGLEN_MTTPC,     26202, 16325,  255,  	  0, MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; +static const struct wacom_features wacom_features_0x10D = +	{ "Wacom ISDv4 10D",      WACOM_PKGLEN_MTTPC,     26202, 16325,  255, +	  0, MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };  static const struct wacom_features wacom_features_0x4001 =  	{ "Wacom ISDv4 4001",      WACOM_PKGLEN_MTTPC,     26202, 16325,  255,  	  0, MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; @@ -2201,6 +2204,7 @@ const struct usb_device_id wacom_ids[] = {  	{ USB_DEVICE_WACOM(0xEF) },  	{ USB_DEVICE_WACOM(0x100) },  	{ USB_DEVICE_WACOM(0x101) }, +	{ USB_DEVICE_WACOM(0x10D) },  	{ USB_DEVICE_WACOM(0x4001) },  	{ USB_DEVICE_WACOM(0x47) },  	{ USB_DEVICE_WACOM(0xF4) }, diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index 4f702b3ec1a..434c3df250c 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -236,7 +236,12 @@ static void __ads7846_disable(struct ads7846 *ts)  /* Must be called with ts->lock held */  static void __ads7846_enable(struct ads7846 *ts)  { -	regulator_enable(ts->reg); +	int error; + +	error = regulator_enable(ts->reg); +	if (error != 0) +		dev_err(&ts->spi->dev, "Failed to enable supply: %d\n", error); +  	ads7846_restart(ts);  } diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index d04f810cb1d..59aa24002c7 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -176,11 +176,17 @@  /* Define for MXT_GEN_COMMAND_T6 */  #define MXT_BOOT_VALUE		0xa5  #define MXT_BACKUP_VALUE	0x55 -#define MXT_BACKUP_TIME		25	/* msec */ -#define MXT_RESET_TIME		65	/* msec */ +#define MXT_BACKUP_TIME		50	/* msec */ +#define MXT_RESET_TIME		200	/* msec */  #define MXT_FWRESET_TIME	175	/* msec */ +/* MXT_SPT_GPIOPWM_T19 field */ +#define MXT_GPIO0_MASK		0x04 +#define MXT_GPIO1_MASK		0x08 +#define MXT_GPIO2_MASK		0x10 +#define MXT_GPIO3_MASK		0x20 +  /* Command to unlock bootloader */  #define MXT_UNLOCK_CMD_MSB	0xaa  #define MXT_UNLOCK_CMD_LSB	0xdc @@ -212,6 +218,8 @@  /* Touchscreen absolute values */  #define MXT_MAX_AREA		0xff +#define MXT_PIXELS_PER_MM	20 +  struct mxt_info {  	u8 family_id;  	u8 variant_id; @@ -243,6 +251,8 @@ struct mxt_data {  	const struct mxt_platform_data *pdata;  	struct mxt_object *object_table;  	struct mxt_info info; +	bool is_tp; +  	unsigned int irq;  	unsigned int max_x;  	unsigned int max_y; @@ -251,6 +261,7 @@ struct mxt_data {  	u8 T6_reportid;  	u8 T9_reportid_min;  	u8 T9_reportid_max; +	u8 T19_reportid;  };  static bool mxt_object_readable(unsigned int type) @@ -502,6 +513,21 @@ static int mxt_write_object(struct mxt_data *data,  	return mxt_write_reg(data->client, reg + offset, val);  } +static void mxt_input_button(struct mxt_data *data, struct mxt_message *message) +{ +	struct input_dev *input = data->input_dev; +	bool button; +	int i; + +	/* Active-low switch */ +	for (i = 0; i < MXT_NUM_GPIO; i++) { +		if (data->pdata->key_map[i] == KEY_RESERVED) +			continue; +		button = !(message->message[0] & MXT_GPIO0_MASK << i); +		input_report_key(input, data->pdata->key_map[i], button); +	} +} +  static void mxt_input_touchevent(struct mxt_data *data,  				      struct mxt_message *message, int id)  { @@ -585,6 +611,9 @@ static irqreturn_t mxt_interrupt(int irq, void *dev_id)  			int id = reportid - data->T9_reportid_min;  			mxt_input_touchevent(data, &message, id);  			update_input = true; +		} else if (message.reportid == data->T19_reportid) { +			mxt_input_button(data, &message); +			update_input = true;  		} else {  			mxt_dump_message(dev, &message);  		} @@ -764,6 +793,9 @@ static int mxt_get_object_table(struct mxt_data *data)  			data->T9_reportid_min = min_id;  			data->T9_reportid_max = max_id;  			break; +		case MXT_SPT_GPIOPWM_T19: +			data->T19_reportid = min_id; +			break;  		}  	} @@ -777,7 +809,7 @@ static void mxt_free_object_table(struct mxt_data *data)  	data->T6_reportid = 0;  	data->T9_reportid_min = 0;  	data->T9_reportid_max = 0; - +	data->T19_reportid = 0;  }  static int mxt_initialize(struct mxt_data *data) @@ -1115,9 +1147,13 @@ static int mxt_probe(struct i2c_client *client,  		goto err_free_mem;  	} -	input_dev->name = "Atmel maXTouch Touchscreen"; +	data->is_tp = pdata && pdata->is_tp; + +	input_dev->name = (data->is_tp) ? "Atmel maXTouch Touchpad" : +					  "Atmel maXTouch Touchscreen";  	snprintf(data->phys, sizeof(data->phys), "i2c-%u-%04x/input0",  		 client->adapter->nr, client->addr); +  	input_dev->phys = data->phys;  	input_dev->id.bustype = BUS_I2C; @@ -1140,6 +1176,29 @@ static int mxt_probe(struct i2c_client *client,  	__set_bit(EV_KEY, input_dev->evbit);  	__set_bit(BTN_TOUCH, input_dev->keybit); +	if (data->is_tp) { +		int i; +		__set_bit(INPUT_PROP_POINTER, input_dev->propbit); +		__set_bit(INPUT_PROP_BUTTONPAD, input_dev->propbit); + +		for (i = 0; i < MXT_NUM_GPIO; i++) +			if (pdata->key_map[i] != KEY_RESERVED) +				__set_bit(pdata->key_map[i], input_dev->keybit); + +		__set_bit(BTN_TOOL_FINGER, input_dev->keybit); +		__set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit); +		__set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit); +		__set_bit(BTN_TOOL_QUADTAP, input_dev->keybit); +		__set_bit(BTN_TOOL_QUINTTAP, input_dev->keybit); + +		input_abs_set_res(input_dev, ABS_X, MXT_PIXELS_PER_MM); +		input_abs_set_res(input_dev, ABS_Y, MXT_PIXELS_PER_MM); +		input_abs_set_res(input_dev, ABS_MT_POSITION_X, +				  MXT_PIXELS_PER_MM); +		input_abs_set_res(input_dev, ABS_MT_POSITION_Y, +				  MXT_PIXELS_PER_MM); +	} +  	/* For single touch */  	input_set_abs_params(input_dev, ABS_X,  			     0, data->max_x, 0, 0); @@ -1258,6 +1317,7 @@ static SIMPLE_DEV_PM_OPS(mxt_pm_ops, mxt_suspend, mxt_resume);  static const struct i2c_device_id mxt_id[] = {  	{ "qt602240_ts", 0 },  	{ "atmel_mxt_ts", 0 }, +	{ "atmel_mxt_tp", 0 },  	{ "mXT224", 0 },  	{ }  }; diff --git a/drivers/input/touchscreen/mms114.c b/drivers/input/touchscreen/mms114.c index 4a29ddf6bf1..1443532fe6c 100644 --- a/drivers/input/touchscreen/mms114.c +++ b/drivers/input/touchscreen/mms114.c @@ -314,15 +314,27 @@ static int mms114_start(struct mms114_data *data)  	struct i2c_client *client = data->client;  	int error; -	if (data->core_reg) -		regulator_enable(data->core_reg); -	if (data->io_reg) -		regulator_enable(data->io_reg); +	error = regulator_enable(data->core_reg); +	if (error) { +		dev_err(&client->dev, "Failed to enable avdd: %d\n", error); +		return error; +	} + +	error = regulator_enable(data->io_reg); +	if (error) { +		dev_err(&client->dev, "Failed to enable vdd: %d\n", error); +		regulator_disable(data->core_reg); +		return error; +	} +  	mdelay(MMS114_POWERON_DELAY);  	error = mms114_setup_regs(data); -	if (error < 0) +	if (error < 0) { +		regulator_disable(data->io_reg); +		regulator_disable(data->core_reg);  		return error; +	}  	if (data->pdata->cfg_pin)  		data->pdata->cfg_pin(true); @@ -335,16 +347,20 @@ static int mms114_start(struct mms114_data *data)  static void mms114_stop(struct mms114_data *data)  {  	struct i2c_client *client = data->client; +	int error;  	disable_irq(client->irq);  	if (data->pdata->cfg_pin)  		data->pdata->cfg_pin(false); -	if (data->io_reg) -		regulator_disable(data->io_reg); -	if (data->core_reg) -		regulator_disable(data->core_reg); +	error = regulator_disable(data->io_reg); +	if (error) +		dev_warn(&client->dev, "Failed to disable vdd: %d\n", error); + +	error = regulator_disable(data->core_reg); +	if (error) +		dev_warn(&client->dev, "Failed to disable avdd: %d\n", error);  }  static int mms114_input_open(struct input_dev *dev) diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index dc7e478b7e5..e5cdaf87822 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -1083,6 +1083,7 @@ static const char *dma_remap_fault_reasons[] =  	"non-zero reserved fields in RTP",  	"non-zero reserved fields in CTP",  	"non-zero reserved fields in PTE", +	"PCE for translation request specifies blocking",  };  static const char *irq_remap_fault_reasons[] = diff --git a/drivers/irqchip/exynos-combiner.c b/drivers/irqchip/exynos-combiner.c index 04d86a9803f..6a520135150 100644 --- a/drivers/irqchip/exynos-combiner.c +++ b/drivers/irqchip/exynos-combiner.c @@ -13,6 +13,7 @@  #include <linux/init.h>  #include <linux/io.h>  #include <linux/irqdomain.h> +#include <linux/irqchip/chained_irq.h>  #include <linux/of_address.h>  #include <linux/of_irq.h>  #include <asm/mach/irq.h> diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index 644d7246842..47aea33a078 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -28,6 +28,7 @@  #include <linux/module.h>  #include <linux/list.h>  #include <linux/smp.h> +#include <linux/cpu.h>  #include <linux/cpu_pm.h>  #include <linux/cpumask.h>  #include <linux/io.h> @@ -38,12 +39,12 @@  #include <linux/interrupt.h>  #include <linux/percpu.h>  #include <linux/slab.h> +#include <linux/irqchip/chained_irq.h>  #include <linux/irqchip/arm-gic.h>  #include <asm/irq.h>  #include <asm/exception.h>  #include <asm/smp_plat.h> -#include <asm/mach/irq.h>  #include "irqchip.h" @@ -127,7 +128,7 @@ static inline void gic_set_base_accessor(struct gic_chip_data *data,  #else  #define gic_data_dist_base(d)	((d)->dist_base.common_base)  #define gic_data_cpu_base(d)	((d)->cpu_base.common_base) -#define gic_set_base_accessor(d,f) +#define gic_set_base_accessor(d, f)  #endif  static inline void __iomem *gic_dist_base(struct irq_data *d) @@ -323,7 +324,7 @@ static void gic_handle_cascade_irq(unsigned int irq, struct irq_desc *desc)  	cascade_irq = irq_find_mapping(chip_data->domain, gic_irq);  	if (unlikely(gic_irq < 32 || gic_irq > 1020)) -		do_bad_IRQ(cascade_irq, desc); +		handle_bad_irq(cascade_irq, desc);  	else  		generic_handle_irq(cascade_irq); @@ -648,7 +649,7 @@ void gic_raise_softirq(const struct cpumask *mask, unsigned int irq)  	/* Convert our logical CPU mask into a physical one. */  	for_each_cpu(cpu, mask) -		map |= 1 << cpu_logical_map(cpu); +		map |= gic_cpu_map[cpu];  	/*  	 * Ensure that stores to Normal memory are visible to the @@ -699,6 +700,25 @@ static int gic_irq_domain_xlate(struct irq_domain *d,  	return 0;  } +#ifdef CONFIG_SMP +static int __cpuinit gic_secondary_init(struct notifier_block *nfb, +					unsigned long action, void *hcpu) +{ +	if (action == CPU_STARTING) +		gic_cpu_init(&gic_data[0]); +	return NOTIFY_OK; +} + +/* + * Notifier for enabling the GIC CPU interface. Set an arbitrarily high + * priority because the GIC needs to be up before the ARM generic timers. + */ +static struct notifier_block __cpuinitdata gic_cpu_notifier = { +	.notifier_call = gic_secondary_init, +	.priority = 100, +}; +#endif +  const struct irq_domain_ops gic_irq_domain_ops = {  	.map = gic_irq_domain_map,  	.xlate = gic_irq_domain_xlate, @@ -789,6 +809,7 @@ void __init gic_init_bases(unsigned int gic_nr, int irq_start,  #ifdef CONFIG_SMP  	set_smp_cross_call(gic_raise_softirq); +	register_cpu_notifier(&gic_cpu_notifier);  #endif  	set_handle_irq(gic_handle_irq); @@ -799,15 +820,8 @@ void __init gic_init_bases(unsigned int gic_nr, int irq_start,  	gic_pm_init(gic);  } -void __cpuinit gic_secondary_init(unsigned int gic_nr) -{ -	BUG_ON(gic_nr >= MAX_GIC_NR); - -	gic_cpu_init(&gic_data[gic_nr]); -} -  #ifdef CONFIG_OF -static int gic_cnt __initdata = 0; +static int gic_cnt __initdata;  int __init gic_of_init(struct device_node *node, struct device_node *parent)  { diff --git a/drivers/irqchip/irq-vic.c b/drivers/irqchip/irq-vic.c index 3cf97aaebe4..884d11c7355 100644 --- a/drivers/irqchip/irq-vic.c +++ b/drivers/irqchip/irq-vic.c @@ -23,6 +23,7 @@  #include <linux/init.h>  #include <linux/list.h>  #include <linux/io.h> +#include <linux/irq.h>  #include <linux/irqdomain.h>  #include <linux/of.h>  #include <linux/of_address.h> @@ -33,7 +34,7 @@  #include <linux/irqchip/arm-vic.h>  #include <asm/exception.h> -#include <asm/mach/irq.h> +#include <asm/irq.h>  #include "irqchip.h" diff --git a/drivers/isdn/hisax/st5481_usb.c b/drivers/isdn/hisax/st5481_usb.c index 017c67ea3f4..ead0a4fb744 100644 --- a/drivers/isdn/hisax/st5481_usb.c +++ b/drivers/isdn/hisax/st5481_usb.c @@ -294,13 +294,13 @@ int st5481_setup_usb(struct st5481_adapter *adapter)  	// Allocate URBs and buffers for interrupt endpoint  	urb = usb_alloc_urb(0, GFP_KERNEL);  	if (!urb) { -		return -ENOMEM; +		goto err1;  	}  	intr->urb = urb;  	buf = kmalloc(INT_PKT_SIZE, GFP_KERNEL);  	if (!buf) { -		return -ENOMEM; +		goto err2;  	}  	endpoint = &altsetting->endpoint[EP_INT-1]; @@ -313,6 +313,14 @@ int st5481_setup_usb(struct st5481_adapter *adapter)  			 endpoint->desc.bInterval);  	return 0; +err2: +	usb_free_urb(intr->urb); +	intr->urb = NULL; +err1: +	usb_free_urb(ctrl->urb); +	ctrl->urb = NULL; + +	return -ENOMEM;  }  /* diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c index d8a7d832341..ebaebdf30f9 100644 --- a/drivers/isdn/i4l/isdn_tty.c +++ b/drivers/isdn/i4l/isdn_tty.c @@ -902,7 +902,9 @@ isdn_tty_send_msg(modem_info *info, atemu *m, char *msg)  	int j;  	int l; -	l = strlen(msg); +	l = min(strlen(msg), sizeof(cmd.parm) - sizeof(cmd.parm.cmsg) +		+ sizeof(cmd.parm.cmsg.para) - 2); +  	if (!l) {  		isdn_tty_modem_result(RESULT_ERROR, info);  		return; diff --git a/drivers/mailbox/pl320-ipc.c b/drivers/mailbox/pl320-ipc.c index c45b3aedafb..d873cbae2fb 100644 --- a/drivers/mailbox/pl320-ipc.c +++ b/drivers/mailbox/pl320-ipc.c @@ -138,8 +138,7 @@ int pl320_ipc_unregister_notifier(struct notifier_block *nb)  }  EXPORT_SYMBOL_GPL(pl320_ipc_unregister_notifier); -static int __init pl320_probe(struct amba_device *adev, -				const struct amba_id *id) +static int pl320_probe(struct amba_device *adev, const struct amba_id *id)  {  	int ret; diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index e30b490055a..4d8d90b4fe7 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -154,17 +154,6 @@ config MD_RAID456  	  If unsure, say Y. -config MULTICORE_RAID456 -	bool "RAID-4/RAID-5/RAID-6 Multicore processing (EXPERIMENTAL)" -	depends on MD_RAID456 -	depends on SMP -	depends on EXPERIMENTAL -	---help--- -	  Enable the raid456 module to dispatch per-stripe raid operations to a -	  thread pool. - -	  If unsure, say N. -  config MD_MULTIPATH  	tristate "Multipath I/O support"  	depends on BLK_DEV_MD diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 9a01d1e4c78..311e3d35b27 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -91,15 +91,44 @@ static struct raid_type {  	{"raid6_nc", "RAID6 (N continue)",		2, 4, 6, ALGORITHM_ROTATING_N_CONTINUE}  }; +static char *raid10_md_layout_to_format(int layout) +{ +	/* +	 * Bit 16 and 17 stand for "offset" and "use_far_sets" +	 * Refer to MD's raid10.c for details +	 */ +	if ((layout & 0x10000) && (layout & 0x20000)) +		return "offset"; + +	if ((layout & 0xFF) > 1) +		return "near"; + +	return "far"; +} +  static unsigned raid10_md_layout_to_copies(int layout)  { -	return layout & 0xFF; +	if ((layout & 0xFF) > 1) +		return layout & 0xFF; +	return (layout >> 8) & 0xFF;  }  static int raid10_format_to_md_layout(char *format, unsigned copies)  { -	/* 1 "far" copy, and 'copies' "near" copies */ -	return (1 << 8) | (copies & 0xFF); +	unsigned n = 1, f = 1; + +	if (!strcmp("near", format)) +		n = copies; +	else +		f = copies; + +	if (!strcmp("offset", format)) +		return 0x30000 | (f << 8) | n; + +	if (!strcmp("far", format)) +		return 0x20000 | (f << 8) | n; + +	return (f << 8) | n;  }  static struct raid_type *get_raid_type(char *name) @@ -352,6 +381,7 @@ static int validate_raid_redundancy(struct raid_set *rs)  {  	unsigned i, rebuild_cnt = 0;  	unsigned rebuilds_per_group, copies, d; +	unsigned group_size, last_group_start;  	for (i = 0; i < rs->md.raid_disks; i++)  		if (!test_bit(In_sync, &rs->dev[i].rdev.flags) || @@ -379,9 +409,6 @@ static int validate_raid_redundancy(struct raid_set *rs)  		 * as long as the failed devices occur in different mirror  		 * groups (i.e. different stripes).  		 * -		 * Right now, we only allow for "near" copies.  When other -		 * formats are added, we will have to check those too. -		 *  		 * When checking "near" format, make sure no adjacent devices  		 * have failed beyond what can be handled.  In addition to the  		 * simple case where the number of devices is a multiple of the @@ -391,14 +418,41 @@ static int validate_raid_redundancy(struct raid_set *rs)  		 *          A    A    B    B    C  		 *          C    D    D    E    E  		 */ -		for (i = 0; i < rs->md.raid_disks * copies; i++) { -			if (!(i % copies)) +		if (!strcmp("near", raid10_md_layout_to_format(rs->md.layout))) { +			for (i = 0; i < rs->md.raid_disks * copies; i++) { +				if (!(i % copies)) +					rebuilds_per_group = 0; +				d = i % rs->md.raid_disks; +				if ((!rs->dev[d].rdev.sb_page || +				     !test_bit(In_sync, &rs->dev[d].rdev.flags)) && +				    (++rebuilds_per_group >= copies)) +					goto too_many; +			} +			break; +		} + +		/* +		 * When checking "far" and "offset" formats, we need to ensure +		 * that the device that holds its copy is not also dead or +		 * being rebuilt.  (Note that "far" and "offset" formats only +		 * support two copies right now.  These formats also only ever +		 * use the 'use_far_sets' variant.) +		 * +		 * This check is somewhat complicated by the need to account +		 * for arrays that are not a multiple of (far) copies.  This +		 * results in the need to treat the last (potentially larger) +		 * set differently. +		 */ +		group_size = (rs->md.raid_disks / copies); +		last_group_start = (rs->md.raid_disks / group_size) - 1; +		last_group_start *= group_size; +		for (i = 0; i < rs->md.raid_disks; i++) { +			if (!(i % copies) && !(i > last_group_start))  				rebuilds_per_group = 0; -			d = i % rs->md.raid_disks; -			if ((!rs->dev[d].rdev.sb_page || -			     !test_bit(In_sync, &rs->dev[d].rdev.flags)) && +			if ((!rs->dev[i].rdev.sb_page || +			     !test_bit(In_sync, &rs->dev[i].rdev.flags)) &&  			    (++rebuilds_per_group >= copies)) -				goto too_many; +					goto too_many;  		}  		break;  	default: @@ -433,7 +487,7 @@ too_many:   *   * RAID10-only options:   *    [raid10_copies <# copies>]        Number of copies.  (Default: 2) - *    [raid10_format <near>]            Layout algorithm.  (Default: near) + *    [raid10_format <near|far|offset>] Layout algorithm.  (Default: near)   */  static int parse_raid_params(struct raid_set *rs, char **argv,  			     unsigned num_raid_params) @@ -520,7 +574,9 @@ static int parse_raid_params(struct raid_set *rs, char **argv,  				rs->ti->error = "'raid10_format' is an invalid parameter for this RAID type";  				return -EINVAL;  			} -			if (strcmp("near", argv[i])) { +			if (strcmp("near", argv[i]) && +			    strcmp("far", argv[i]) && +			    strcmp("offset", argv[i])) {  				rs->ti->error = "Invalid 'raid10_format' value given";  				return -EINVAL;  			} @@ -644,6 +700,15 @@ static int parse_raid_params(struct raid_set *rs, char **argv,  			return -EINVAL;  		} +		/* +		 * If the format is not "near", we only support +		 * two copies at the moment. +		 */ +		if (strcmp("near", raid10_format) && (raid10_copies > 2)) { +			rs->ti->error = "Too many copies for given RAID10 format."; +			return -EINVAL; +		} +  		/* (Len * #mirrors) / #devices */  		sectors_per_dev = rs->ti->len * raid10_copies;  		sector_div(sectors_per_dev, rs->md.raid_disks); @@ -854,17 +919,30 @@ static int super_init_validation(struct mddev *mddev, struct md_rdev *rdev)  	/*  	 * Reshaping is not currently allowed  	 */ -	if ((le32_to_cpu(sb->level) != mddev->level) || -	    (le32_to_cpu(sb->layout) != mddev->layout) || -	    (le32_to_cpu(sb->stripe_sectors) != mddev->chunk_sectors)) { -		DMERR("Reshaping arrays not yet supported."); +	if (le32_to_cpu(sb->level) != mddev->level) { +		DMERR("Reshaping arrays not yet supported. (RAID level change)"); +		return -EINVAL; +	} +	if (le32_to_cpu(sb->layout) != mddev->layout) { +		DMERR("Reshaping arrays not yet supported. (RAID layout change)"); +		DMERR("  0x%X vs 0x%X", le32_to_cpu(sb->layout), mddev->layout); +		DMERR("  Old layout: %s w/ %d copies", +		      raid10_md_layout_to_format(le32_to_cpu(sb->layout)), +		      raid10_md_layout_to_copies(le32_to_cpu(sb->layout))); +		DMERR("  New layout: %s w/ %d copies", +		      raid10_md_layout_to_format(mddev->layout), +		      raid10_md_layout_to_copies(mddev->layout)); +		return -EINVAL; +	} +	if (le32_to_cpu(sb->stripe_sectors) != mddev->chunk_sectors) { +		DMERR("Reshaping arrays not yet supported. (stripe sectors change)");  		return -EINVAL;  	}  	/* We can only change the number of devices in RAID1 right now */  	if ((rs->raid_type->level != 1) &&  	    (le32_to_cpu(sb->num_devices) != mddev->raid_disks)) { -		DMERR("Reshaping arrays not yet supported."); +		DMERR("Reshaping arrays not yet supported. (device count change)");  		return -EINVAL;  	} @@ -1329,7 +1407,8 @@ static void raid_status(struct dm_target *ti, status_type_t type,  			       raid10_md_layout_to_copies(rs->md.layout));  		if (rs->print_flags & DMPF_RAID10_FORMAT) -			DMEMIT(" raid10_format near"); +			DMEMIT(" raid10_format %s", +			       raid10_md_layout_to_format(rs->md.layout));  		DMEMIT(" %d", rs->md.raid_disks);  		for (i = 0; i < rs->md.raid_disks; i++) { @@ -1418,6 +1497,10 @@ static struct target_type raid_target = {  static int __init dm_raid_init(void)  { +	DMINFO("Loading target version %u.%u.%u", +	       raid_target.version[0], +	       raid_target.version[1], +	       raid_target.version[2]);  	return dm_register_target(&raid_target);  } diff --git a/drivers/md/md.c b/drivers/md/md.c index 3db3d1b271f..fcb878f8879 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -307,6 +307,10 @@ static void md_make_request(struct request_queue *q, struct bio *bio)  		bio_io_error(bio);  		return;  	} +	if (mddev->ro == 1 && unlikely(rw == WRITE)) { +		bio_endio(bio, bio_sectors(bio) == 0 ? 0 : -EROFS); +		return; +	}  	smp_rmb(); /* Ensure implications of  'active' are visible */  	rcu_read_lock();  	if (mddev->suspended) { @@ -2994,6 +2998,9 @@ rdev_size_store(struct md_rdev *rdev, const char *buf, size_t len)  		} else if (!sectors)  			sectors = (i_size_read(rdev->bdev->bd_inode) >> 9) -  				rdev->data_offset; +		if (!my_mddev->pers->resize) +			/* Cannot change size for RAID0 or Linear etc */ +			return -EINVAL;  	}  	if (sectors < my_mddev->dev_sectors)  		return -EINVAL; /* component must fit device */ @@ -6525,7 +6532,17 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode,  			mddev->ro = 0;  			sysfs_notify_dirent_safe(mddev->sysfs_state);  			set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); -			md_wakeup_thread(mddev->thread); +			/* mddev_unlock will wake thread */ +			/* If a device failed while we were read-only, we +			 * need to make sure the metadata is updated now. +			 */ +			if (test_bit(MD_CHANGE_DEVS, &mddev->flags)) { +				mddev_unlock(mddev); +				wait_event(mddev->sb_wait, +					   !test_bit(MD_CHANGE_DEVS, &mddev->flags) && +					   !test_bit(MD_CHANGE_PENDING, &mddev->flags)); +				mddev_lock(mddev); +			}  		} else {  			err = -EROFS;  			goto abort_unlock; diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 24b359717a7..0505452de8d 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -175,7 +175,13 @@ static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf)  			rdev1->new_raid_disk = j;  		} -		if (j < 0 || j >= mddev->raid_disks) { +		if (j < 0) { +			printk(KERN_ERR +			       "md/raid0:%s: remove inactive devices before converting to RAID0\n", +			       mdname(mddev)); +			goto abort; +		} +		if (j >= mddev->raid_disks) {  			printk(KERN_ERR "md/raid0:%s: bad disk number %d - "  			       "aborting!\n", mdname(mddev), j);  			goto abort; @@ -289,7 +295,7 @@ abort:  	kfree(conf->strip_zone);  	kfree(conf->devlist);  	kfree(conf); -	*private_conf = NULL; +	*private_conf = ERR_PTR(err);  	return err;  } @@ -411,7 +417,8 @@ static sector_t raid0_size(struct mddev *mddev, sector_t sectors, int raid_disks  		  "%s does not support generic reshape\n", __func__);  	rdev_for_each(rdev, mddev) -		array_sectors += rdev->sectors; +		array_sectors += (rdev->sectors & +				  ~(sector_t)(mddev->chunk_sectors-1));  	return array_sectors;  } diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index d5bddfc4010..fd86b372692 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -967,6 +967,7 @@ static void raid1_unplug(struct blk_plug_cb *cb, bool from_schedule)  		bio_list_merge(&conf->pending_bio_list, &plug->pending);  		conf->pending_count += plug->pending_cnt;  		spin_unlock_irq(&conf->device_lock); +		wake_up(&conf->wait_barrier);  		md_wakeup_thread(mddev->thread);  		kfree(plug);  		return; @@ -1000,6 +1001,7 @@ static void make_request(struct mddev *mddev, struct bio * bio)  	const unsigned long do_flush_fua = (bio->bi_rw & (REQ_FLUSH | REQ_FUA));  	const unsigned long do_discard = (bio->bi_rw  					  & (REQ_DISCARD | REQ_SECURE)); +	const unsigned long do_same = (bio->bi_rw & REQ_WRITE_SAME);  	struct md_rdev *blocked_rdev;  	struct blk_plug_cb *cb;  	struct raid1_plug_cb *plug = NULL; @@ -1301,7 +1303,8 @@ read_again:  				   conf->mirrors[i].rdev->data_offset);  		mbio->bi_bdev = conf->mirrors[i].rdev->bdev;  		mbio->bi_end_io	= raid1_end_write_request; -		mbio->bi_rw = WRITE | do_flush_fua | do_sync | do_discard; +		mbio->bi_rw = +			WRITE | do_flush_fua | do_sync | do_discard | do_same;  		mbio->bi_private = r1_bio;  		atomic_inc(&r1_bio->remaining); @@ -2818,6 +2821,9 @@ static int run(struct mddev *mddev)  	if (IS_ERR(conf))  		return PTR_ERR(conf); +	if (mddev->queue) +		blk_queue_max_write_same_sectors(mddev->queue, +						 mddev->chunk_sectors);  	rdev_for_each(rdev, mddev) {  		if (!mddev->gendisk)  			continue; diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 64d48249c03..77b562d18a9 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -38,21 +38,36 @@   *    near_copies (stored in low byte of layout)   *    far_copies (stored in second byte of layout)   *    far_offset (stored in bit 16 of layout ) + *    use_far_sets (stored in bit 17 of layout )   * - * The data to be stored is divided into chunks using chunksize. - * Each device is divided into far_copies sections. - * In each section, chunks are laid out in a style similar to raid0, but - * near_copies copies of each chunk is stored (each on a different drive). - * The starting device for each section is offset near_copies from the starting - * device of the previous section. - * Thus they are (near_copies*far_copies) of each chunk, and each is on a different - * drive. - * near_copies and far_copies must be at least one, and their product is at most - * raid_disks. + * The data to be stored is divided into chunks using chunksize.  Each device + * is divided into far_copies sections.   In each section, chunks are laid out + * in a style similar to raid0, but near_copies copies of each chunk is stored + * (each on a different drive).  The starting device for each section is offset + * near_copies from the starting device of the previous section.  Thus there + * are (near_copies * far_copies) of each chunk, and each is on a different + * drive.  near_copies and far_copies must be at least one, and their product + * is at most raid_disks.   *   * If far_offset is true, then the far_copies are handled a bit differently. - * The copies are still in different stripes, but instead of be very far apart - * on disk, there are adjacent stripes. + * The copies are still in different stripes, but instead of being very far + * apart on disk, there are adjacent stripes. + * + * The far and offset algorithms are handled slightly differently if + * 'use_far_sets' is true.  In this case, the array's devices are grouped into + * sets that are (near_copies * far_copies) in size.  The far copied stripes + * are still shifted by 'near_copies' devices, but this shifting stays confined + * to the set rather than the entire array.  This is done to improve the number + * of device combinations that can fail without causing the array to fail. + * Example 'far' algorithm w/o 'use_far_sets' (each letter represents a chunk + * on a device): + *    A B C D    A B C D E + *      ...         ... + *    D A B C    E A B C D + * Example 'far' algorithm w/ 'use_far_sets' enabled (sets illustrated w/ []'s): + *    [A B] [C D]    [A B] [C D E] + *    |...| |...|    |...| | ... | + *    [B A] [D C]    [B A] [E C D]   */  /* @@ -535,6 +550,13 @@ static void __raid10_find_phys(struct geom *geo, struct r10bio *r10bio)  	sector_t stripe;  	int dev;  	int slot = 0; +	int last_far_set_start, last_far_set_size; + +	last_far_set_start = (geo->raid_disks / geo->far_set_size) - 1; +	last_far_set_start *= geo->far_set_size; + +	last_far_set_size = geo->far_set_size; +	last_far_set_size += (geo->raid_disks % geo->far_set_size);  	/* now calculate first sector/dev */  	chunk = r10bio->sector >> geo->chunk_shift; @@ -551,15 +573,25 @@ static void __raid10_find_phys(struct geom *geo, struct r10bio *r10bio)  	/* and calculate all the others */  	for (n = 0; n < geo->near_copies; n++) {  		int d = dev; +		int set;  		sector_t s = sector; -		r10bio->devs[slot].addr = sector;  		r10bio->devs[slot].devnum = d; +		r10bio->devs[slot].addr = s;  		slot++;  		for (f = 1; f < geo->far_copies; f++) { +			set = d / geo->far_set_size;  			d += geo->near_copies; -			if (d >= geo->raid_disks) -				d -= geo->raid_disks; + +			if ((geo->raid_disks % geo->far_set_size) && +			    (d > last_far_set_start)) { +				d -= last_far_set_start; +				d %= last_far_set_size; +				d += last_far_set_start; +			} else { +				d %= geo->far_set_size; +				d += geo->far_set_size * set; +			}  			s += geo->stride;  			r10bio->devs[slot].devnum = d;  			r10bio->devs[slot].addr = s; @@ -595,6 +627,20 @@ static sector_t raid10_find_virt(struct r10conf *conf, sector_t sector, int dev)  	 * or recovery, so reshape isn't happening  	 */  	struct geom *geo = &conf->geo; +	int far_set_start = (dev / geo->far_set_size) * geo->far_set_size; +	int far_set_size = geo->far_set_size; +	int last_far_set_start; + +	if (geo->raid_disks % geo->far_set_size) { +		last_far_set_start = (geo->raid_disks / geo->far_set_size) - 1; +		last_far_set_start *= geo->far_set_size; + +		if (dev >= last_far_set_start) { +			far_set_size = geo->far_set_size; +			far_set_size += (geo->raid_disks % geo->far_set_size); +			far_set_start = last_far_set_start; +		} +	}  	offset = sector & geo->chunk_mask;  	if (geo->far_offset) { @@ -602,13 +648,13 @@ static sector_t raid10_find_virt(struct r10conf *conf, sector_t sector, int dev)  		chunk = sector >> geo->chunk_shift;  		fc = sector_div(chunk, geo->far_copies);  		dev -= fc * geo->near_copies; -		if (dev < 0) -			dev += geo->raid_disks; +		if (dev < far_set_start) +			dev += far_set_size;  	} else {  		while (sector >= geo->stride) {  			sector -= geo->stride; -			if (dev < geo->near_copies) -				dev += geo->raid_disks - geo->near_copies; +			if (dev < (geo->near_copies + far_set_start)) +				dev += far_set_size - geo->near_copies;  			else  				dev -= geo->near_copies;  		} @@ -1073,6 +1119,7 @@ static void raid10_unplug(struct blk_plug_cb *cb, bool from_schedule)  		bio_list_merge(&conf->pending_bio_list, &plug->pending);  		conf->pending_count += plug->pending_cnt;  		spin_unlock_irq(&conf->device_lock); +		wake_up(&conf->wait_barrier);  		md_wakeup_thread(mddev->thread);  		kfree(plug);  		return; @@ -1105,6 +1152,7 @@ static void make_request(struct mddev *mddev, struct bio * bio)  	const unsigned long do_fua = (bio->bi_rw & REQ_FUA);  	const unsigned long do_discard = (bio->bi_rw  					  & (REQ_DISCARD | REQ_SECURE)); +	const unsigned long do_same = (bio->bi_rw & REQ_WRITE_SAME);  	unsigned long flags;  	struct md_rdev *blocked_rdev;  	struct blk_plug_cb *cb; @@ -1460,7 +1508,8 @@ retry_write:  							      rdev));  			mbio->bi_bdev = rdev->bdev;  			mbio->bi_end_io	= raid10_end_write_request; -			mbio->bi_rw = WRITE | do_sync | do_fua | do_discard; +			mbio->bi_rw = +				WRITE | do_sync | do_fua | do_discard | do_same;  			mbio->bi_private = r10_bio;  			atomic_inc(&r10_bio->remaining); @@ -1502,7 +1551,8 @@ retry_write:  						   r10_bio, rdev));  			mbio->bi_bdev = rdev->bdev;  			mbio->bi_end_io	= raid10_end_write_request; -			mbio->bi_rw = WRITE | do_sync | do_fua | do_discard; +			mbio->bi_rw = +				WRITE | do_sync | do_fua | do_discard | do_same;  			mbio->bi_private = r10_bio;  			atomic_inc(&r10_bio->remaining); @@ -3436,7 +3486,7 @@ static int setup_geo(struct geom *geo, struct mddev *mddev, enum geo_type new)  		disks = mddev->raid_disks + mddev->delta_disks;  		break;  	} -	if (layout >> 17) +	if (layout >> 18)  		return -1;  	if (chunk < (PAGE_SIZE >> 9) ||  	    !is_power_of_2(chunk)) @@ -3448,6 +3498,7 @@ static int setup_geo(struct geom *geo, struct mddev *mddev, enum geo_type new)  	geo->near_copies = nc;  	geo->far_copies = fc;  	geo->far_offset = fo; +	geo->far_set_size = (layout & (1<<17)) ? disks / fc : disks;  	geo->chunk_mask = chunk - 1;  	geo->chunk_shift = ffz(~chunk);  	return nc*fc; @@ -3569,6 +3620,8 @@ static int run(struct mddev *mddev)  	if (mddev->queue) {  		blk_queue_max_discard_sectors(mddev->queue,  					      mddev->chunk_sectors); +		blk_queue_max_write_same_sectors(mddev->queue, +						 mddev->chunk_sectors);  		blk_queue_io_min(mddev->queue, chunk_size);  		if (conf->geo.raid_disks % conf->geo.near_copies)  			blk_queue_io_opt(mddev->queue, chunk_size * conf->geo.raid_disks); diff --git a/drivers/md/raid10.h b/drivers/md/raid10.h index 1054cf60234..157d69e83ff 100644 --- a/drivers/md/raid10.h +++ b/drivers/md/raid10.h @@ -33,6 +33,11 @@ struct r10conf {  					       * far_offset, in which case it is  					       * 1 stripe.  					       */ +		int             far_set_size; /* The number of devices in a set, +					       * where a 'set' are devices that +					       * contain far/offset copies of +					       * each other. +					       */  		int		chunk_shift; /* shift from chunks to sectors */  		sector_t	chunk_mask;  	} prev, geo; diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 5af2d270908..3ee2912889e 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -1403,7 +1403,7 @@ static void ops_run_check_pq(struct stripe_head *sh, struct raid5_percpu *percpu  			   &sh->ops.zero_sum_result, percpu->spare_page, &submit);  } -static void __raid_run_ops(struct stripe_head *sh, unsigned long ops_request) +static void raid_run_ops(struct stripe_head *sh, unsigned long ops_request)  {  	int overlap_clear = 0, i, disks = sh->disks;  	struct dma_async_tx_descriptor *tx = NULL; @@ -1468,36 +1468,6 @@ static void __raid_run_ops(struct stripe_head *sh, unsigned long ops_request)  	put_cpu();  } -#ifdef CONFIG_MULTICORE_RAID456 -static void async_run_ops(void *param, async_cookie_t cookie) -{ -	struct stripe_head *sh = param; -	unsigned long ops_request = sh->ops.request; - -	clear_bit_unlock(STRIPE_OPS_REQ_PENDING, &sh->state); -	wake_up(&sh->ops.wait_for_ops); - -	__raid_run_ops(sh, ops_request); -	release_stripe(sh); -} - -static void raid_run_ops(struct stripe_head *sh, unsigned long ops_request) -{ -	/* since handle_stripe can be called outside of raid5d context -	 * we need to ensure sh->ops.request is de-staged before another -	 * request arrives -	 */ -	wait_event(sh->ops.wait_for_ops, -		   !test_and_set_bit_lock(STRIPE_OPS_REQ_PENDING, &sh->state)); -	sh->ops.request = ops_request; - -	atomic_inc(&sh->count); -	async_schedule(async_run_ops, sh); -} -#else -#define raid_run_ops __raid_run_ops -#endif -  static int grow_one_stripe(struct r5conf *conf)  {  	struct stripe_head *sh; @@ -1506,9 +1476,6 @@ static int grow_one_stripe(struct r5conf *conf)  		return 0;  	sh->raid_conf = conf; -	#ifdef CONFIG_MULTICORE_RAID456 -	init_waitqueue_head(&sh->ops.wait_for_ops); -	#endif  	spin_lock_init(&sh->stripe_lock); @@ -1627,9 +1594,6 @@ static int resize_stripes(struct r5conf *conf, int newsize)  			break;  		nsh->raid_conf = conf; -		#ifdef CONFIG_MULTICORE_RAID456 -		init_waitqueue_head(&nsh->ops.wait_for_ops); -		#endif  		spin_lock_init(&nsh->stripe_lock);  		list_add(&nsh->lru, &newstripes); diff --git a/drivers/memory/tegra30-mc.c b/drivers/memory/tegra30-mc.c index 0b975986777..f4ae074badc 100644 --- a/drivers/memory/tegra30-mc.c +++ b/drivers/memory/tegra30-mc.c @@ -268,6 +268,7 @@ static const u32 tegra30_mc_ctx[] = {  	MC_INTMASK,  }; +#ifdef CONFIG_PM  static int tegra30_mc_suspend(struct device *dev)  {  	int i; @@ -291,6 +292,7 @@ static int tegra30_mc_resume(struct device *dev)  	mc_readl(mc, MC_TIMING_CONTROL);  	return 0;  } +#endif  static UNIVERSAL_DEV_PM_OPS(tegra30_mc_pm,  			    tegra30_mc_suspend, diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 671f5b171c7..c346941a251 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -858,6 +858,7 @@ config EZX_PCAP  config AB8500_CORE  	bool "ST-Ericsson AB8500 Mixed Signal Power Management chip"  	depends on GENERIC_HARDIRQS && ABX500_CORE && MFD_DB8500_PRCMU +	select POWER_SUPPLY  	select MFD_CORE  	select IRQ_DOMAIN  	help diff --git a/drivers/mfd/ab8500-gpadc.c b/drivers/mfd/ab8500-gpadc.c index b1f3561b023..5f341a50ee5 100644 --- a/drivers/mfd/ab8500-gpadc.c +++ b/drivers/mfd/ab8500-gpadc.c @@ -594,9 +594,12 @@ static int ab8500_gpadc_runtime_suspend(struct device *dev)  static int ab8500_gpadc_runtime_resume(struct device *dev)  {  	struct ab8500_gpadc *gpadc = dev_get_drvdata(dev); +	int ret; -	regulator_enable(gpadc->regu); -	return 0; +	ret = regulator_enable(gpadc->regu); +	if (ret) +		dev_err(dev, "Failed to enable vtvout LDO: %d\n", ret); +	return ret;  }  static int ab8500_gpadc_runtime_idle(struct device *dev) @@ -643,7 +646,7 @@ static int ab8500_gpadc_probe(struct platform_device *pdev)  	}  	/* VTVout LDO used to power up ab8500-GPADC */ -	gpadc->regu = regulator_get(&pdev->dev, "vddadc"); +	gpadc->regu = devm_regulator_get(&pdev->dev, "vddadc");  	if (IS_ERR(gpadc->regu)) {  		ret = PTR_ERR(gpadc->regu);  		dev_err(gpadc->dev, "failed to get vtvout LDO\n"); @@ -652,7 +655,11 @@ static int ab8500_gpadc_probe(struct platform_device *pdev)  	platform_set_drvdata(pdev, gpadc); -	regulator_enable(gpadc->regu); +	ret = regulator_enable(gpadc->regu); +	if (ret) { +		dev_err(gpadc->dev, "Failed to enable vtvout LDO: %d\n", ret); +		goto fail_enable; +	}  	pm_runtime_set_autosuspend_delay(gpadc->dev, GPADC_AUDOSUSPEND_DELAY);  	pm_runtime_use_autosuspend(gpadc->dev); @@ -663,6 +670,8 @@ static int ab8500_gpadc_probe(struct platform_device *pdev)  	list_add_tail(&gpadc->node, &ab8500_gpadc_list);  	dev_dbg(gpadc->dev, "probe success\n");  	return 0; + +fail_enable:  fail_irq:  	free_irq(gpadc->irq, gpadc);  fail: diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c index 6b5edf64de2..4febc5c7fde 100644 --- a/drivers/mfd/omap-usb-host.c +++ b/drivers/mfd/omap-usb-host.c @@ -460,15 +460,15 @@ static void omap_usbhs_init(struct device *dev)  	switch (omap->usbhs_rev) {  	case OMAP_USBHS_REV1: -		omap_usbhs_rev1_hostconfig(omap, reg); +		reg = omap_usbhs_rev1_hostconfig(omap, reg);  		break;  	case OMAP_USBHS_REV2: -		omap_usbhs_rev2_hostconfig(omap, reg); +		reg = omap_usbhs_rev2_hostconfig(omap, reg);  		break;  	default:	/* newer revisions */ -		omap_usbhs_rev2_hostconfig(omap, reg); +		reg = omap_usbhs_rev2_hostconfig(omap, reg);  		break;  	} diff --git a/drivers/mfd/palmas.c b/drivers/mfd/palmas.c index bbdbc50a3cc..73bf76df104 100644 --- a/drivers/mfd/palmas.c +++ b/drivers/mfd/palmas.c @@ -257,9 +257,24 @@ static struct regmap_irq_chip palmas_irq_chip = {  			PALMAS_INT1_MASK),  }; -static void palmas_dt_to_pdata(struct device_node *node, +static int palmas_set_pdata_irq_flag(struct i2c_client *i2c,  		struct palmas_platform_data *pdata)  { +	struct irq_data *irq_data = irq_get_irq_data(i2c->irq); +	if (!irq_data) { +		dev_err(&i2c->dev, "Invalid IRQ: %d\n", i2c->irq); +		return -EINVAL; +	} + +	pdata->irq_flags = irqd_get_trigger_type(irq_data); +	dev_info(&i2c->dev, "Irq flag is 0x%08x\n", pdata->irq_flags); +	return 0; +} + +static void palmas_dt_to_pdata(struct i2c_client *i2c, +		struct palmas_platform_data *pdata) +{ +	struct device_node *node = i2c->dev.of_node;  	int ret;  	u32 prop; @@ -283,6 +298,8 @@ static void palmas_dt_to_pdata(struct device_node *node,  		pdata->power_ctrl = PALMAS_POWER_CTRL_NSLEEP_MASK |  					PALMAS_POWER_CTRL_ENABLE1_MASK |  					PALMAS_POWER_CTRL_ENABLE2_MASK; +	if (i2c->irq) +		palmas_set_pdata_irq_flag(i2c, pdata);  }  static int palmas_i2c_probe(struct i2c_client *i2c, @@ -304,7 +321,7 @@ static int palmas_i2c_probe(struct i2c_client *i2c,  		if (!pdata)  			return -ENOMEM; -		palmas_dt_to_pdata(node, pdata); +		palmas_dt_to_pdata(i2c, pdata);  	}  	if (!pdata) @@ -344,6 +361,19 @@ static int palmas_i2c_probe(struct i2c_client *i2c,  		}  	} +	/* Change interrupt line output polarity */ +	if (pdata->irq_flags & IRQ_TYPE_LEVEL_HIGH) +		reg = PALMAS_POLARITY_CTRL_INT_POLARITY; +	else +		reg = 0; +	ret = palmas_update_bits(palmas, PALMAS_PU_PD_OD_BASE, +			PALMAS_POLARITY_CTRL, PALMAS_POLARITY_CTRL_INT_POLARITY, +			reg); +	if (ret < 0) { +		dev_err(palmas->dev, "POLARITY_CTRL updat failed: %d\n", ret); +		goto err; +	} +  	/* Change IRQ into clear on read mode for efficiency */  	slave = PALMAS_BASE_TO_SLAVE(PALMAS_INTERRUPT_BASE);  	addr = PALMAS_BASE_TO_REG(PALMAS_INTERRUPT_BASE, PALMAS_INT_CTRL); @@ -352,7 +382,7 @@ static int palmas_i2c_probe(struct i2c_client *i2c,  	regmap_write(palmas->regmap[slave], addr, reg);  	ret = regmap_add_irq_chip(palmas->regmap[slave], palmas->irq, -			IRQF_ONESHOT | IRQF_TRIGGER_LOW, 0, &palmas_irq_chip, +			IRQF_ONESHOT | pdata->irq_flags, 0, &palmas_irq_chip,  			&palmas->irq_data);  	if (ret < 0)  		goto err; diff --git a/drivers/mfd/tps65912-core.c b/drivers/mfd/tps65912-core.c index 4658b5bdcd8..aeb8e40ab42 100644 --- a/drivers/mfd/tps65912-core.c +++ b/drivers/mfd/tps65912-core.c @@ -169,6 +169,7 @@ err:  void tps65912_device_exit(struct tps65912 *tps65912)  {  	mfd_remove_devices(tps65912->dev); +	tps65912_irq_exit(tps65912);  	kfree(tps65912);  } diff --git a/drivers/mfd/twl4030-audio.c b/drivers/mfd/twl4030-audio.c index e16edca9267..d2ab222138c 100644 --- a/drivers/mfd/twl4030-audio.c +++ b/drivers/mfd/twl4030-audio.c @@ -118,7 +118,7 @@ EXPORT_SYMBOL_GPL(twl4030_audio_enable_resource);   * Disable the resource.   * The function returns with error or the content of the register   */ -int twl4030_audio_disable_resource(unsigned id) +int twl4030_audio_disable_resource(enum twl4030_audio_res id)  {  	struct twl4030_audio *audio = platform_get_drvdata(twl4030_audio_dev);  	int val; diff --git a/drivers/mfd/twl4030-madc.c b/drivers/mfd/twl4030-madc.c index 88ff9dc8330..942b666a2a0 100644 --- a/drivers/mfd/twl4030-madc.c +++ b/drivers/mfd/twl4030-madc.c @@ -800,7 +800,7 @@ static int twl4030_madc_remove(struct platform_device *pdev)  static struct platform_driver twl4030_madc_driver = {  	.probe = twl4030_madc_probe, -	.remove = __exit_p(twl4030_madc_remove), +	.remove = twl4030_madc_remove,  	.driver = {  		   .name = "twl4030_madc",  		   .owner = THIS_MODULE, diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c index 6673e578b3e..ce5b75616b4 100644 --- a/drivers/misc/ibmasm/ibmasmfs.c +++ b/drivers/misc/ibmasm/ibmasmfs.c @@ -110,6 +110,7 @@ static struct file_system_type ibmasmfs_type = {  	.mount          = ibmasmfs_mount,  	.kill_sb        = kill_litter_super,  }; +MODULE_ALIAS_FS("ibmasmfs");  static int ibmasmfs_fill_super (struct super_block *sb, void *data, int silent)  { diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c index 63fb265e0da..8d6794cdf89 100644 --- a/drivers/mmc/host/s3cmci.c +++ b/drivers/mmc/host/s3cmci.c @@ -25,14 +25,93 @@  #include <mach/dma.h> -#include <mach/regs-sdi.h> -  #include <linux/platform_data/mmc-s3cmci.h>  #include "s3cmci.h"  #define DRIVER_NAME "s3c-mci" +#define S3C2410_SDICON			(0x00) +#define S3C2410_SDIPRE			(0x04) +#define S3C2410_SDICMDARG		(0x08) +#define S3C2410_SDICMDCON		(0x0C) +#define S3C2410_SDICMDSTAT		(0x10) +#define S3C2410_SDIRSP0			(0x14) +#define S3C2410_SDIRSP1			(0x18) +#define S3C2410_SDIRSP2			(0x1C) +#define S3C2410_SDIRSP3			(0x20) +#define S3C2410_SDITIMER		(0x24) +#define S3C2410_SDIBSIZE		(0x28) +#define S3C2410_SDIDCON			(0x2C) +#define S3C2410_SDIDCNT			(0x30) +#define S3C2410_SDIDSTA			(0x34) +#define S3C2410_SDIFSTA			(0x38) + +#define S3C2410_SDIDATA			(0x3C) +#define S3C2410_SDIIMSK			(0x40) + +#define S3C2440_SDIDATA			(0x40) +#define S3C2440_SDIIMSK			(0x3C) + +#define S3C2440_SDICON_SDRESET		(1 << 8) +#define S3C2410_SDICON_SDIOIRQ		(1 << 3) +#define S3C2410_SDICON_FIFORESET	(1 << 1) +#define S3C2410_SDICON_CLOCKTYPE	(1 << 0) + +#define S3C2410_SDICMDCON_LONGRSP	(1 << 10) +#define S3C2410_SDICMDCON_WAITRSP	(1 << 9) +#define S3C2410_SDICMDCON_CMDSTART	(1 << 8) +#define S3C2410_SDICMDCON_SENDERHOST	(1 << 6) +#define S3C2410_SDICMDCON_INDEX		(0x3f) + +#define S3C2410_SDICMDSTAT_CRCFAIL	(1 << 12) +#define S3C2410_SDICMDSTAT_CMDSENT	(1 << 11) +#define S3C2410_SDICMDSTAT_CMDTIMEOUT	(1 << 10) +#define S3C2410_SDICMDSTAT_RSPFIN	(1 << 9) + +#define S3C2440_SDIDCON_DS_WORD		(2 << 22) +#define S3C2410_SDIDCON_TXAFTERRESP	(1 << 20) +#define S3C2410_SDIDCON_RXAFTERCMD	(1 << 19) +#define S3C2410_SDIDCON_BLOCKMODE	(1 << 17) +#define S3C2410_SDIDCON_WIDEBUS		(1 << 16) +#define S3C2410_SDIDCON_DMAEN		(1 << 15) +#define S3C2410_SDIDCON_STOP		(1 << 14) +#define S3C2440_SDIDCON_DATSTART	(1 << 14) + +#define S3C2410_SDIDCON_XFER_RXSTART	(2 << 12) +#define S3C2410_SDIDCON_XFER_TXSTART	(3 << 12) + +#define S3C2410_SDIDCON_BLKNUM_MASK	(0xFFF) + +#define S3C2410_SDIDSTA_SDIOIRQDETECT	(1 << 9) +#define S3C2410_SDIDSTA_FIFOFAIL	(1 << 8) +#define S3C2410_SDIDSTA_CRCFAIL		(1 << 7) +#define S3C2410_SDIDSTA_RXCRCFAIL	(1 << 6) +#define S3C2410_SDIDSTA_DATATIMEOUT	(1 << 5) +#define S3C2410_SDIDSTA_XFERFINISH	(1 << 4) +#define S3C2410_SDIDSTA_TXDATAON	(1 << 1) +#define S3C2410_SDIDSTA_RXDATAON	(1 << 0) + +#define S3C2440_SDIFSTA_FIFORESET	(1 << 16) +#define S3C2440_SDIFSTA_FIFOFAIL	(3 << 14) +#define S3C2410_SDIFSTA_TFDET		(1 << 13) +#define S3C2410_SDIFSTA_RFDET		(1 << 12) +#define S3C2410_SDIFSTA_COUNTMASK	(0x7f) + +#define S3C2410_SDIIMSK_RESPONSECRC	(1 << 17) +#define S3C2410_SDIIMSK_CMDSENT		(1 << 16) +#define S3C2410_SDIIMSK_CMDTIMEOUT	(1 << 15) +#define S3C2410_SDIIMSK_RESPONSEND	(1 << 14) +#define S3C2410_SDIIMSK_SDIOIRQ		(1 << 12) +#define S3C2410_SDIIMSK_FIFOFAIL	(1 << 11) +#define S3C2410_SDIIMSK_CRCSTATUS	(1 << 10) +#define S3C2410_SDIIMSK_DATACRC		(1 << 9) +#define S3C2410_SDIIMSK_DATATIMEOUT	(1 << 8) +#define S3C2410_SDIIMSK_DATAFINISH	(1 << 7) +#define S3C2410_SDIIMSK_TXFIFOHALF	(1 << 4) +#define S3C2410_SDIIMSK_RXFIFOLAST	(1 << 2) +#define S3C2410_SDIIMSK_RXFIFOHALF	(1 << 0) +  enum dbg_channels {  	dbg_err   = (1 << 0),  	dbg_debug = (1 << 1), diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index 82c06165d3d..92ab30ab00d 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -1238,6 +1238,7 @@ static struct file_system_type mtd_inodefs_type = {         .mount = mtd_inodefs_mount,         .kill_sb = kill_anon_super,  }; +MODULE_ALIAS_FS("mtd_inodefs");  static int __init init_mtdchar(void)  { diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 11d01d67b3f..8b4e96e01d6 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1629,7 +1629,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)  	/* If this is the first slave, then we need to set the master's hardware  	 * address to be the same as the slave's. */ -	if (bond->dev_addr_from_first) +	if (bond->slave_cnt == 0 && bond->dev_addr_from_first)  		bond_set_dev_addr(bond->dev, slave_dev);  	new_slave = kzalloc(sizeof(struct slave), GFP_KERNEL); @@ -1964,7 +1964,6 @@ static int __bond_release_one(struct net_device *bond_dev,  	}  	block_netpoll_tx(); -	call_netdevice_notifiers(NETDEV_RELEASE, bond_dev);  	write_lock_bh(&bond->lock);  	slave = bond_get_slave_by_dev(bond, slave_dev); @@ -2066,8 +2065,10 @@ static int __bond_release_one(struct net_device *bond_dev,  	write_unlock_bh(&bond->lock);  	unblock_netpoll_tx(); -	if (bond->slave_cnt == 0) +	if (bond->slave_cnt == 0) {  		call_netdevice_notifiers(NETDEV_CHANGEADDR, bond->dev); +		call_netdevice_notifiers(NETDEV_RELEASE, bond->dev); +	}  	bond_compute_features(bond);  	if (!(bond_dev->features & NETIF_F_VLAN_CHALLENGED) && diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c index 639049d7e92..da5f4397f87 100644 --- a/drivers/net/ethernet/broadcom/bgmac.c +++ b/drivers/net/ethernet/broadcom/bgmac.c @@ -301,12 +301,16 @@ static int bgmac_dma_rx_read(struct bgmac *bgmac, struct bgmac_dma_ring *ring,  			bgmac_err(bgmac, "Found poisoned packet at slot %d, DMA issue!\n",  				  ring->start);  		} else { +			/* Omit CRC. */ +			len -= ETH_FCS_LEN; +  			new_skb = netdev_alloc_skb_ip_align(bgmac->net_dev, len);  			if (new_skb) {  				skb_put(new_skb, len);  				skb_copy_from_linear_data_offset(skb, BGMAC_RX_FRAME_OFFSET,  								 new_skb->data,  								 len); +				skb_checksum_none_assert(skb);  				new_skb->protocol =  					eth_type_trans(new_skb, bgmac->net_dev);  				netif_receive_skb(new_skb); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index ecac04a3687..a923bc4d5a1 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -3142,7 +3142,7 @@ static inline __le16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)  		tsum = ~csum_fold(csum_add((__force __wsum) csum,  				  csum_partial(t_header, -fix, 0))); -	return bswab16(csum); +	return bswab16(tsum);  }  static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c index 9a674b14b40..edfa67adf2f 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c @@ -281,6 +281,8 @@ static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)  			cmd->lp_advertising |= ADVERTISED_2500baseX_Full;  		if (status & LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE)  			cmd->lp_advertising |= ADVERTISED_10000baseT_Full; +		if (status & LINK_STATUS_LINK_PARTNER_20GXFD_CAPABLE) +			cmd->lp_advertising |= ADVERTISED_20000baseKR2_Full;  	}  	cmd->maxtxpkt = 0; @@ -463,6 +465,10 @@ static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)  						ADVERTISED_10000baseKR_Full))  				bp->link_params.speed_cap_mask[cfg_idx] |=  					PORT_HW_CFG_SPEED_CAPABILITY_D0_10G; + +			if (cmd->advertising & ADVERTISED_20000baseKR2_Full) +				bp->link_params.speed_cap_mask[cfg_idx] |= +					PORT_HW_CFG_SPEED_CAPABILITY_D0_20G;  		}  	} else { /* forced speed */  		/* advertise the requested speed and duplex if supported */ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index 1663e0b6b5a..77ebae0ac64 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -8647,7 +8647,9 @@ void bnx2x_handle_module_detect_int(struct link_params *params)  						MDIO_WC_DEVAD,  						MDIO_WC_REG_DIGITAL5_MISC6,  						&rx_tx_in_reset); -				if (!rx_tx_in_reset) { +				if ((!rx_tx_in_reset) && +				    (params->link_flags & +				     PHY_INITIALIZED)) {  					bnx2x_warpcore_reset_lane(bp, phy, 1);  					bnx2x_warpcore_config_sfi(phy, params);  					bnx2x_warpcore_reset_lane(bp, phy, 0); @@ -10422,6 +10424,28 @@ static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,  					 MDIO_PMA_DEVAD,  					 MDIO_PMA_REG_8481_LED1_MASK,  					 0x0); +			if (phy->type == +			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) { +				/* Disable MI_INT interrupt before setting LED4 +				 * source to constant off. +				 */ +				if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + +					   params->port*4) & +				    NIG_MASK_MI_INT) { +					params->link_flags |= +					LINK_FLAGS_INT_DISABLED; + +					bnx2x_bits_dis( +						bp, +						NIG_REG_MASK_INTERRUPT_PORT0 + +						params->port*4, +						NIG_MASK_MI_INT); +				} +				bnx2x_cl45_write(bp, phy, +						 MDIO_PMA_DEVAD, +						 MDIO_PMA_REG_8481_SIGNAL_MASK, +						 0x0); +			}  		}  		break;  	case LED_MODE_ON: @@ -10468,6 +10492,28 @@ static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,  					 MDIO_PMA_DEVAD,  					 MDIO_PMA_REG_8481_LED1_MASK,  					 0x20); +			if (phy->type == +			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) { +				/* Disable MI_INT interrupt before setting LED4 +				 * source to constant on. +				 */ +				if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + +					   params->port*4) & +				    NIG_MASK_MI_INT) { +					params->link_flags |= +					LINK_FLAGS_INT_DISABLED; + +					bnx2x_bits_dis( +						bp, +						NIG_REG_MASK_INTERRUPT_PORT0 + +						params->port*4, +						NIG_MASK_MI_INT); +				} +				bnx2x_cl45_write(bp, phy, +						 MDIO_PMA_DEVAD, +						 MDIO_PMA_REG_8481_SIGNAL_MASK, +						 0x20); +			}  		}  		break; @@ -10532,6 +10578,22 @@ static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,  					 MDIO_PMA_DEVAD,  					 MDIO_PMA_REG_8481_LINK_SIGNAL,  					 val); +			if (phy->type == +			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) { +				/* Restore LED4 source to external link, +				 * and re-enable interrupts. +				 */ +				bnx2x_cl45_write(bp, phy, +						 MDIO_PMA_DEVAD, +						 MDIO_PMA_REG_8481_SIGNAL_MASK, +						 0x40); +				if (params->link_flags & +				    LINK_FLAGS_INT_DISABLED) { +					bnx2x_link_int_enable(params); +					params->link_flags &= +						~LINK_FLAGS_INT_DISABLED; +				} +			}  		}  		break;  	} @@ -11791,6 +11853,8 @@ static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,  			phy->media_type = ETH_PHY_KR;  			phy->flags |= FLAGS_WC_DUAL_MODE;  			phy->supported &= (SUPPORTED_20000baseKR2_Full | +					   SUPPORTED_10000baseT_Full | +					   SUPPORTED_1000baseT_Full |  					   SUPPORTED_Autoneg |  					   SUPPORTED_FIBRE |  					   SUPPORTED_Pause | @@ -12465,6 +12529,8 @@ int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)  	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;  	vars->mac_type = MAC_TYPE_NONE;  	vars->phy_flags = 0; +	vars->check_kr2_recovery_cnt = 0; +	params->link_flags = PHY_INITIALIZED;  	/* Driver opens NIG-BRB filters */  	bnx2x_set_rx_filter(params, 1);  	/* Check if link flap can be avoided */ @@ -12629,6 +12695,7 @@ int bnx2x_lfa_reset(struct link_params *params,  	struct bnx2x *bp = params->bp;  	vars->link_up = 0;  	vars->phy_flags = 0; +	params->link_flags &= ~PHY_INITIALIZED;  	if (!params->lfa_base)  		return bnx2x_link_reset(params, vars, 1);  	/* @@ -13349,6 +13416,7 @@ static void bnx2x_disable_kr2(struct link_params *params,  	vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;  	bnx2x_update_link_attr(params, vars->link_attr_sync); +	vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;  	/* Restart AN on leading lane */  	bnx2x_warpcore_restart_AN_KR(phy, params);  } @@ -13377,6 +13445,15 @@ static void bnx2x_check_kr2_wa(struct link_params *params,  		return;  	} +	/* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery +	 * since some switches tend to reinit the AN process and clear the +	 * advertised BP/NP after ~2 seconds causing the KR2 to be disabled +	 * and recovered many times +	 */ +	if (vars->check_kr2_recovery_cnt > 0) { +		vars->check_kr2_recovery_cnt--; +		return; +	}  	lane = bnx2x_get_warpcore_lane(phy, params);  	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,  			  MDIO_AER_BLOCK_AER_REG, lane); @@ -13437,7 +13514,7 @@ void bnx2x_period_func(struct link_params *params, struct link_vars *vars)  		struct bnx2x_phy *phy = ¶ms->phy[INT_PHY];  		bnx2x_set_aer_mmd(params, phy);  		if ((phy->supported & SUPPORTED_20000baseKR2_Full) && -		    (phy->speed_cap_mask & SPEED_20000)) +		    (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))  			bnx2x_check_kr2_wa(params, vars, phy);  		bnx2x_check_over_curr(params, vars);  		if (vars->rx_tx_asic_rst) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h index d25c7d79787..56c2aae4e2c 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h @@ -307,7 +307,9 @@ struct link_params {  	struct bnx2x *bp;  	u16 req_fc_auto_adv; /* Should be set to TX / BOTH when  				req_flow_ctrl is set to AUTO */ -	u16 rsrv1; +	u16 link_flags; +#define LINK_FLAGS_INT_DISABLED		(1<<0) +#define PHY_INITIALIZED		(1<<1)  	u32 lfa_base;  }; @@ -341,7 +343,8 @@ struct link_vars {  	u32 link_status;  	u32 eee_status;  	u8 fault_detected; -	u8 rsrv1; +	u8 check_kr2_recovery_cnt; +#define CHECK_KR2_RECOVERY_CNT	5  	u16 periodic_flags;  #define PERIODIC_FLAGS_LINK_EVENT	0x0001 diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index fdb9b565541..93729f94235 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -1869,6 +1869,8 @@ static void tg3_link_report(struct tg3 *tp)  		tg3_ump_link_report(tp);  	} + +	tp->link_up = netif_carrier_ok(tp->dev);  }  static u16 tg3_advert_flowctrl_1000X(u8 flow_ctrl) @@ -2522,12 +2524,6 @@ static int tg3_phy_reset_5703_4_5(struct tg3 *tp)  	return err;  } -static void tg3_carrier_on(struct tg3 *tp) -{ -	netif_carrier_on(tp->dev); -	tp->link_up = true; -} -  static void tg3_carrier_off(struct tg3 *tp)  {  	netif_carrier_off(tp->dev); @@ -2553,7 +2549,7 @@ static int tg3_phy_reset(struct tg3 *tp)  		return -EBUSY;  	if (netif_running(tp->dev) && tp->link_up) { -		tg3_carrier_off(tp); +		netif_carrier_off(tp->dev);  		tg3_link_report(tp);  	} @@ -4262,9 +4258,9 @@ static bool tg3_test_and_report_link_chg(struct tg3 *tp, int curr_link_up)  {  	if (curr_link_up != tp->link_up) {  		if (curr_link_up) { -			tg3_carrier_on(tp); +			netif_carrier_on(tp->dev);  		} else { -			tg3_carrier_off(tp); +			netif_carrier_off(tp->dev);  			if (tp->phy_flags & TG3_PHYFLG_MII_SERDES)  				tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;  		} diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index 28ceb841418..29aff55f2ee 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -349,6 +349,7 @@ struct be_adapter {  	struct pci_dev *pdev;  	struct net_device *netdev; +	u8 __iomem *csr;	/* CSR BAR used only for BE2/3 */  	u8 __iomem *db;		/* Door Bell */  	struct mutex mbox_lock; /* For serializing mbox cmds to BE card */ diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c index 071aea79d21..3c9b4f12e3e 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.c +++ b/drivers/net/ethernet/emulex/benet/be_cmds.c @@ -473,19 +473,17 @@ static int be_mbox_notify_wait(struct be_adapter *adapter)  	return 0;  } -static int be_POST_stage_get(struct be_adapter *adapter, u16 *stage) +static u16 be_POST_stage_get(struct be_adapter *adapter)  {  	u32 sem; -	u32 reg = skyhawk_chip(adapter) ? SLIPORT_SEMAPHORE_OFFSET_SH : -					  SLIPORT_SEMAPHORE_OFFSET_BE; -	pci_read_config_dword(adapter->pdev, reg, &sem); -	*stage = sem & POST_STAGE_MASK; - -	if ((sem >> POST_ERR_SHIFT) & POST_ERR_MASK) -		return -1; +	if (BEx_chip(adapter)) +		sem  = ioread32(adapter->csr + SLIPORT_SEMAPHORE_OFFSET_BEx);  	else -		return 0; +		pci_read_config_dword(adapter->pdev, +				      SLIPORT_SEMAPHORE_OFFSET_SH, &sem); + +	return sem & POST_STAGE_MASK;  }  int lancer_wait_ready(struct be_adapter *adapter) @@ -579,19 +577,17 @@ int be_fw_wait_ready(struct be_adapter *adapter)  	}  	do { -		status = be_POST_stage_get(adapter, &stage); -		if (status) { -			dev_err(dev, "POST error; stage=0x%x\n", stage); -			return -1; -		} else if (stage != POST_STAGE_ARMFW_RDY) { -			if (msleep_interruptible(2000)) { -				dev_err(dev, "Waiting for POST aborted\n"); -				return -EINTR; -			} -			timeout += 2; -		} else { +		stage = be_POST_stage_get(adapter); +		if (stage == POST_STAGE_ARMFW_RDY)  			return 0; + +		dev_info(dev, "Waiting for POST, %ds elapsed\n", +			 timeout); +		if (msleep_interruptible(2000)) { +			dev_err(dev, "Waiting for POST aborted\n"); +			return -EINTR;  		} +		timeout += 2;  	} while (timeout < 60);  	dev_err(dev, "POST timeout; stage=0x%x\n", stage); diff --git a/drivers/net/ethernet/emulex/benet/be_hw.h b/drivers/net/ethernet/emulex/benet/be_hw.h index 541d4530d5b..62dc220695f 100644 --- a/drivers/net/ethernet/emulex/benet/be_hw.h +++ b/drivers/net/ethernet/emulex/benet/be_hw.h @@ -32,8 +32,8 @@  #define MPU_EP_CONTROL 		0  /********** MPU semphore: used for SH & BE  *************/ -#define SLIPORT_SEMAPHORE_OFFSET_BE		0x7c -#define SLIPORT_SEMAPHORE_OFFSET_SH		0x94 +#define SLIPORT_SEMAPHORE_OFFSET_BEx		0xac  /* CSR BAR offset */ +#define SLIPORT_SEMAPHORE_OFFSET_SH		0x94  /* PCI-CFG offset */  #define POST_STAGE_MASK				0x0000FFFF  #define POST_ERR_MASK				0x1  #define POST_ERR_SHIFT				31 diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 3860888ac71..08e54f3d288 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -3688,6 +3688,8 @@ static void be_netdev_init(struct net_device *netdev)  static void be_unmap_pci_bars(struct be_adapter *adapter)  { +	if (adapter->csr) +		pci_iounmap(adapter->pdev, adapter->csr);  	if (adapter->db)  		pci_iounmap(adapter->pdev, adapter->db);  } @@ -3721,6 +3723,12 @@ static int be_map_pci_bars(struct be_adapter *adapter)  	adapter->if_type = (sli_intf & SLI_INTF_IF_TYPE_MASK) >>  				SLI_INTF_IF_TYPE_SHIFT; +	if (BEx_chip(adapter) && be_physfn(adapter)) { +		adapter->csr = pci_iomap(adapter->pdev, 2, 0); +		if (adapter->csr == NULL) +			return -ENOMEM; +	} +  	addr = pci_iomap(adapter->pdev, db_bar(adapter), 0);  	if (addr == NULL)  		goto pci_map_err; @@ -4329,6 +4337,8 @@ static pci_ers_result_t be_eeh_reset(struct pci_dev *pdev)  	pci_restore_state(pdev);  	/* Check if card is ok and fw is ready */ +	dev_info(&adapter->pdev->dev, +		 "Waiting for FW to be ready after EEH reset\n");  	status = be_fw_wait_ready(adapter);  	if (status)  		return PCI_ERS_RESULT_DISCONNECT; diff --git a/drivers/net/ethernet/freescale/fec.c b/drivers/net/ethernet/freescale/fec.c index fccc3bf2141..069a155d16e 100644 --- a/drivers/net/ethernet/freescale/fec.c +++ b/drivers/net/ethernet/freescale/fec.c @@ -246,14 +246,13 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev)  	struct bufdesc *bdp;  	void *bufaddr;  	unsigned short	status; -	unsigned long flags; +	unsigned int index;  	if (!fep->link) {  		/* Link is down or autonegotiation is in progress. */  		return NETDEV_TX_BUSY;  	} -	spin_lock_irqsave(&fep->hw_lock, flags);  	/* Fill in a Tx ring entry */  	bdp = fep->cur_tx; @@ -264,7 +263,6 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev)  		 * This should not happen, since ndev->tbusy should be set.  		 */  		printk("%s: tx queue full!.\n", ndev->name); -		spin_unlock_irqrestore(&fep->hw_lock, flags);  		return NETDEV_TX_BUSY;  	} @@ -280,13 +278,13 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev)  	 * 4-byte boundaries. Use bounce buffers to copy data  	 * and get it aligned. Ugh.  	 */ +	if (fep->bufdesc_ex) +		index = (struct bufdesc_ex *)bdp - +			(struct bufdesc_ex *)fep->tx_bd_base; +	else +		index = bdp - fep->tx_bd_base; +  	if (((unsigned long) bufaddr) & FEC_ALIGNMENT) { -		unsigned int index; -		if (fep->bufdesc_ex) -			index = (struct bufdesc_ex *)bdp - -				(struct bufdesc_ex *)fep->tx_bd_base; -		else -			index = bdp - fep->tx_bd_base;  		memcpy(fep->tx_bounce[index], skb->data, skb->len);  		bufaddr = fep->tx_bounce[index];  	} @@ -300,10 +298,7 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev)  		swap_buffer(bufaddr, skb->len);  	/* Save skb pointer */ -	fep->tx_skbuff[fep->skb_cur] = skb; - -	ndev->stats.tx_bytes += skb->len; -	fep->skb_cur = (fep->skb_cur+1) & TX_RING_MOD_MASK; +	fep->tx_skbuff[index] = skb;  	/* Push the data cache so the CPM does not get stale memory  	 * data. @@ -331,26 +326,22 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev)  			ebdp->cbd_esc = BD_ENET_TX_INT;  		}  	} -	/* Trigger transmission start */ -	writel(0, fep->hwp + FEC_X_DES_ACTIVE); -  	/* If this was the last BD in the ring, start at the beginning again. */  	if (status & BD_ENET_TX_WRAP)  		bdp = fep->tx_bd_base;  	else  		bdp = fec_enet_get_nextdesc(bdp, fep->bufdesc_ex); -	if (bdp == fep->dirty_tx) { -		fep->tx_full = 1; +	fep->cur_tx = bdp; + +	if (fep->cur_tx == fep->dirty_tx)  		netif_stop_queue(ndev); -	} -	fep->cur_tx = bdp; +	/* Trigger transmission start */ +	writel(0, fep->hwp + FEC_X_DES_ACTIVE);  	skb_tx_timestamp(skb); -	spin_unlock_irqrestore(&fep->hw_lock, flags); -  	return NETDEV_TX_OK;  } @@ -406,11 +397,8 @@ fec_restart(struct net_device *ndev, int duplex)  		writel((unsigned long)fep->bd_dma + sizeof(struct bufdesc)  			* RX_RING_SIZE,	fep->hwp + FEC_X_DES_START); -	fep->dirty_tx = fep->cur_tx = fep->tx_bd_base;  	fep->cur_rx = fep->rx_bd_base; -	/* Reset SKB transmit buffers. */ -	fep->skb_cur = fep->skb_dirty = 0;  	for (i = 0; i <= TX_RING_MOD_MASK; i++) {  		if (fep->tx_skbuff[i]) {  			dev_kfree_skb_any(fep->tx_skbuff[i]); @@ -573,20 +561,35 @@ fec_enet_tx(struct net_device *ndev)  	struct bufdesc *bdp;  	unsigned short status;  	struct	sk_buff	*skb; +	int	index = 0;  	fep = netdev_priv(ndev); -	spin_lock(&fep->hw_lock);  	bdp = fep->dirty_tx; +	/* get next bdp of dirty_tx */ +	if (bdp->cbd_sc & BD_ENET_TX_WRAP) +		bdp = fep->tx_bd_base; +	else +		bdp = fec_enet_get_nextdesc(bdp, fep->bufdesc_ex); +  	while (((status = bdp->cbd_sc) & BD_ENET_TX_READY) == 0) { -		if (bdp == fep->cur_tx && fep->tx_full == 0) + +		/* current queue is empty */ +		if (bdp == fep->cur_tx)  			break; +		if (fep->bufdesc_ex) +			index = (struct bufdesc_ex *)bdp - +				(struct bufdesc_ex *)fep->tx_bd_base; +		else +			index = bdp - fep->tx_bd_base; +  		dma_unmap_single(&fep->pdev->dev, bdp->cbd_bufaddr,  				FEC_ENET_TX_FRSIZE, DMA_TO_DEVICE);  		bdp->cbd_bufaddr = 0; -		skb = fep->tx_skbuff[fep->skb_dirty]; +		skb = fep->tx_skbuff[index]; +  		/* Check for errors. */  		if (status & (BD_ENET_TX_HB | BD_ENET_TX_LC |  				   BD_ENET_TX_RL | BD_ENET_TX_UN | @@ -631,8 +634,9 @@ fec_enet_tx(struct net_device *ndev)  		/* Free the sk buffer associated with this last transmit */  		dev_kfree_skb_any(skb); -		fep->tx_skbuff[fep->skb_dirty] = NULL; -		fep->skb_dirty = (fep->skb_dirty + 1) & TX_RING_MOD_MASK; +		fep->tx_skbuff[index] = NULL; + +		fep->dirty_tx = bdp;  		/* Update pointer to next buffer descriptor to be transmitted */  		if (status & BD_ENET_TX_WRAP) @@ -642,14 +646,12 @@ fec_enet_tx(struct net_device *ndev)  		/* Since we have freed up a buffer, the ring is no longer full  		 */ -		if (fep->tx_full) { -			fep->tx_full = 0; +		if (fep->dirty_tx != fep->cur_tx) {  			if (netif_queue_stopped(ndev))  				netif_wake_queue(ndev);  		}  	} -	fep->dirty_tx = bdp; -	spin_unlock(&fep->hw_lock); +	return;  } @@ -816,7 +818,7 @@ fec_enet_interrupt(int irq, void *dev_id)  		int_events = readl(fep->hwp + FEC_IEVENT);  		writel(int_events, fep->hwp + FEC_IEVENT); -		if (int_events & FEC_ENET_RXF) { +		if (int_events & (FEC_ENET_RXF | FEC_ENET_TXF)) {  			ret = IRQ_HANDLED;  			/* Disable the RX interrupt */ @@ -827,15 +829,6 @@ fec_enet_interrupt(int irq, void *dev_id)  			}  		} -		/* Transmit OK, or non-fatal error. Update the buffer -		 * descriptors. FEC handles all errors, we just discover -		 * them as part of the transmit process. -		 */ -		if (int_events & FEC_ENET_TXF) { -			ret = IRQ_HANDLED; -			fec_enet_tx(ndev); -		} -  		if (int_events & FEC_ENET_MII) {  			ret = IRQ_HANDLED;  			complete(&fep->mdio_done); @@ -851,6 +844,8 @@ static int fec_enet_rx_napi(struct napi_struct *napi, int budget)  	int pkts = fec_enet_rx(ndev, budget);  	struct fec_enet_private *fep = netdev_priv(ndev); +	fec_enet_tx(ndev); +  	if (pkts < budget) {  		napi_complete(napi);  		writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK); @@ -1646,6 +1641,7 @@ static int fec_enet_init(struct net_device *ndev)  	/* ...and the same for transmit */  	bdp = fep->tx_bd_base; +	fep->cur_tx = bdp;  	for (i = 0; i < TX_RING_SIZE; i++) {  		/* Initialize the BD for every fragment in the page. */ @@ -1657,6 +1653,7 @@ static int fec_enet_init(struct net_device *ndev)  	/* Set the last buffer to wrap */  	bdp = fec_enet_get_prevdesc(bdp, fep->bufdesc_ex);  	bdp->cbd_sc |= BD_SC_WRAP; +	fep->dirty_tx = bdp;  	fec_restart(ndev, 0); diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h index 01579b8e37c..f5390071efd 100644 --- a/drivers/net/ethernet/freescale/fec.h +++ b/drivers/net/ethernet/freescale/fec.h @@ -97,6 +97,13 @@ struct bufdesc {  	unsigned short cbd_sc;	/* Control and status info */  	unsigned long cbd_bufaddr;	/* Buffer address */  }; +#else +struct bufdesc { +	unsigned short	cbd_sc;			/* Control and status info */ +	unsigned short	cbd_datlen;		/* Data length */ +	unsigned long	cbd_bufaddr;		/* Buffer address */ +}; +#endif  struct bufdesc_ex {  	struct bufdesc desc; @@ -107,14 +114,6 @@ struct bufdesc_ex {  	unsigned short res0[4];  }; -#else -struct bufdesc { -	unsigned short	cbd_sc;			/* Control and status info */ -	unsigned short	cbd_datlen;		/* Data length */ -	unsigned long	cbd_bufaddr;		/* Buffer address */ -}; -#endif -  /*   *	The following definitions courtesy of commproc.h, which where   *	Copyright (c) 1997 Dan Malek (dmalek@jlc.net). @@ -214,8 +213,6 @@ struct fec_enet_private {  	unsigned char *tx_bounce[TX_RING_SIZE];  	struct	sk_buff *tx_skbuff[TX_RING_SIZE];  	struct	sk_buff *rx_skbuff[RX_RING_SIZE]; -	ushort	skb_cur; -	ushort	skb_dirty;  	/* CPM dual port RAM relative addresses */  	dma_addr_t	bd_dma; @@ -227,7 +224,6 @@ struct fec_enet_private {  	/* The ring entries to be free()ed */  	struct bufdesc	*dirty_tx; -	uint	tx_full;  	/* hold while accessing the HW like ringbuffer for tx/rx but not MAC */  	spinlock_t hw_lock; diff --git a/drivers/net/ethernet/intel/e1000e/ethtool.c b/drivers/net/ethernet/intel/e1000e/ethtool.c index 2c1813737f6..f91a8f3f9d4 100644 --- a/drivers/net/ethernet/intel/e1000e/ethtool.c +++ b/drivers/net/ethernet/intel/e1000e/ethtool.c @@ -36,6 +36,7 @@  #include <linux/delay.h>  #include <linux/vmalloc.h>  #include <linux/mdio.h> +#include <linux/pm_runtime.h>  #include "e1000.h" @@ -2229,7 +2230,19 @@ static int e1000e_get_ts_info(struct net_device *netdev,  	return 0;  } +static int e1000e_ethtool_begin(struct net_device *netdev) +{ +	return pm_runtime_get_sync(netdev->dev.parent); +} + +static void e1000e_ethtool_complete(struct net_device *netdev) +{ +	pm_runtime_put_sync(netdev->dev.parent); +} +  static const struct ethtool_ops e1000_ethtool_ops = { +	.begin			= e1000e_ethtool_begin, +	.complete		= e1000e_ethtool_complete,  	.get_settings		= e1000_get_settings,  	.set_settings		= e1000_set_settings,  	.get_drvinfo		= e1000_get_drvinfo, diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c index dff7bff8b8e..121a865c7fb 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c @@ -782,6 +782,59 @@ release:  }  /** + *  e1000_k1_workaround_lpt_lp - K1 workaround on Lynxpoint-LP + *  @hw:   pointer to the HW structure + *  @link: link up bool flag + * + *  When K1 is enabled for 1Gbps, the MAC can miss 2 DMA completion indications + *  preventing further DMA write requests.  Workaround the issue by disabling + *  the de-assertion of the clock request when in 1Gpbs mode. + **/ +static s32 e1000_k1_workaround_lpt_lp(struct e1000_hw *hw, bool link) +{ +	u32 fextnvm6 = er32(FEXTNVM6); +	s32 ret_val = 0; + +	if (link && (er32(STATUS) & E1000_STATUS_SPEED_1000)) { +		u16 kmrn_reg; + +		ret_val = hw->phy.ops.acquire(hw); +		if (ret_val) +			return ret_val; + +		ret_val = +		    e1000e_read_kmrn_reg_locked(hw, E1000_KMRNCTRLSTA_K1_CONFIG, +						&kmrn_reg); +		if (ret_val) +			goto release; + +		ret_val = +		    e1000e_write_kmrn_reg_locked(hw, +						 E1000_KMRNCTRLSTA_K1_CONFIG, +						 kmrn_reg & +						 ~E1000_KMRNCTRLSTA_K1_ENABLE); +		if (ret_val) +			goto release; + +		usleep_range(10, 20); + +		ew32(FEXTNVM6, fextnvm6 | E1000_FEXTNVM6_REQ_PLL_CLK); + +		ret_val = +		    e1000e_write_kmrn_reg_locked(hw, +						 E1000_KMRNCTRLSTA_K1_CONFIG, +						 kmrn_reg); +release: +		hw->phy.ops.release(hw); +	} else { +		/* clear FEXTNVM6 bit 8 on link down or 10/100 */ +		ew32(FEXTNVM6, fextnvm6 & ~E1000_FEXTNVM6_REQ_PLL_CLK); +	} + +	return ret_val; +} + +/**   *  e1000_check_for_copper_link_ich8lan - Check for link (Copper)   *  @hw: pointer to the HW structure   * @@ -818,6 +871,14 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)  			return ret_val;  	} +	/* Work-around I218 hang issue */ +	if ((hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPTLP_I218_LM) || +	    (hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPTLP_I218_V)) { +		ret_val = e1000_k1_workaround_lpt_lp(hw, link); +		if (ret_val) +			return ret_val; +	} +  	/* Clear link partner's EEE ability */  	hw->dev_spec.ich8lan.eee_lp_ability = 0; @@ -3954,8 +4015,16 @@ void e1000_suspend_workarounds_ich8lan(struct e1000_hw *hw)  	phy_ctrl = er32(PHY_CTRL);  	phy_ctrl |= E1000_PHY_CTRL_GBE_DISABLE; +  	if (hw->phy.type == e1000_phy_i217) { -		u16 phy_reg; +		u16 phy_reg, device_id = hw->adapter->pdev->device; + +		if ((device_id == E1000_DEV_ID_PCH_LPTLP_I218_LM) || +		    (device_id == E1000_DEV_ID_PCH_LPTLP_I218_V)) { +			u32 fextnvm6 = er32(FEXTNVM6); + +			ew32(FEXTNVM6, fextnvm6 & ~E1000_FEXTNVM6_REQ_PLL_CLK); +		}  		ret_val = hw->phy.ops.acquire(hw);  		if (ret_val) diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.h b/drivers/net/ethernet/intel/e1000e/ich8lan.h index b6d3174d7d2..8bf4655c2e1 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.h +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.h @@ -92,6 +92,8 @@  #define E1000_FEXTNVM4_BEACON_DURATION_8USEC	0x7  #define E1000_FEXTNVM4_BEACON_DURATION_16USEC	0x3 +#define E1000_FEXTNVM6_REQ_PLL_CLK	0x00000100 +  #define PCIE_ICH8_SNOOP_ALL	PCIE_NO_SNOOP_ALL  #define E1000_ICH_RAR_ENTRIES	7 diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index a177b8b65c4..948b86ffa4f 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -4303,6 +4303,7 @@ static int e1000_open(struct net_device *netdev)  	netif_start_queue(netdev);  	adapter->idle_check = true; +	hw->mac.get_link_status = true;  	pm_runtime_put(&pdev->dev);  	/* fire a link status change interrupt to start the watchdog */ @@ -4662,6 +4663,7 @@ static void e1000_phy_read_status(struct e1000_adapter *adapter)  	    (adapter->hw.phy.media_type == e1000_media_type_copper)) {  		int ret_val; +		pm_runtime_get_sync(&adapter->pdev->dev);  		ret_val = e1e_rphy(hw, MII_BMCR, &phy->bmcr);  		ret_val |= e1e_rphy(hw, MII_BMSR, &phy->bmsr);  		ret_val |= e1e_rphy(hw, MII_ADVERTISE, &phy->advertise); @@ -4672,6 +4674,7 @@ static void e1000_phy_read_status(struct e1000_adapter *adapter)  		ret_val |= e1e_rphy(hw, MII_ESTATUS, &phy->estatus);  		if (ret_val)  			e_warn("Error reading PHY register\n"); +		pm_runtime_put_sync(&adapter->pdev->dev);  	} else {  		/* Do not read PHY registers if link is not up  		 * Set values to typical power-on defaults @@ -5887,8 +5890,7 @@ release:  	return retval;  } -static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake, -			    bool runtime) +static int __e1000_shutdown(struct pci_dev *pdev, bool runtime)  {  	struct net_device *netdev = pci_get_drvdata(pdev);  	struct e1000_adapter *adapter = netdev_priv(netdev); @@ -5912,10 +5914,6 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake,  	}  	e1000e_reset_interrupt_capability(adapter); -	retval = pci_save_state(pdev); -	if (retval) -		return retval; -  	status = er32(STATUS);  	if (status & E1000_STATUS_LU)  		wufc &= ~E1000_WUFC_LNKC; @@ -5971,13 +5969,6 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake,  		ew32(WUFC, 0);  	} -	*enable_wake = !!wufc; - -	/* make sure adapter isn't asleep if manageability is enabled */ -	if ((adapter->flags & FLAG_MNG_PT_ENABLED) || -	    (hw->mac.ops.check_mng_mode(hw))) -		*enable_wake = true; -  	if (adapter->hw.phy.type == e1000_phy_igp_3)  		e1000e_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw); @@ -5986,27 +5977,7 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake,  	 */  	e1000e_release_hw_control(adapter); -	pci_disable_device(pdev); - -	return 0; -} - -static void e1000_power_off(struct pci_dev *pdev, bool sleep, bool wake) -{ -	if (sleep && wake) { -		pci_prepare_to_sleep(pdev); -		return; -	} - -	pci_wake_from_d3(pdev, wake); -	pci_set_power_state(pdev, PCI_D3hot); -} - -static void e1000_complete_shutdown(struct pci_dev *pdev, bool sleep, -                                    bool wake) -{ -	struct net_device *netdev = pci_get_drvdata(pdev); -	struct e1000_adapter *adapter = netdev_priv(netdev); +	pci_clear_master(pdev);  	/* The pci-e switch on some quad port adapters will report a  	 * correctable error when the MAC transitions from D0 to D3.  To @@ -6021,12 +5992,13 @@ static void e1000_complete_shutdown(struct pci_dev *pdev, bool sleep,  		pcie_capability_write_word(us_dev, PCI_EXP_DEVCTL,  					   (devctl & ~PCI_EXP_DEVCTL_CERE)); -		e1000_power_off(pdev, sleep, wake); +		pci_save_state(pdev); +		pci_prepare_to_sleep(pdev);  		pcie_capability_write_word(us_dev, PCI_EXP_DEVCTL, devctl); -	} else { -		e1000_power_off(pdev, sleep, wake);  	} + +	return 0;  }  #ifdef CONFIG_PCIEASPM @@ -6084,9 +6056,7 @@ static int __e1000_resume(struct pci_dev *pdev)  	if (aspm_disable_flag)  		e1000e_disable_aspm(pdev, aspm_disable_flag); -	pci_set_power_state(pdev, PCI_D0); -	pci_restore_state(pdev); -	pci_save_state(pdev); +	pci_set_master(pdev);  	e1000e_set_interrupt_capability(adapter);  	if (netif_running(netdev)) { @@ -6152,14 +6122,8 @@ static int __e1000_resume(struct pci_dev *pdev)  static int e1000_suspend(struct device *dev)  {  	struct pci_dev *pdev = to_pci_dev(dev); -	int retval; -	bool wake; - -	retval = __e1000_shutdown(pdev, &wake, false); -	if (!retval) -		e1000_complete_shutdown(pdev, true, wake); -	return retval; +	return __e1000_shutdown(pdev, false);  }  static int e1000_resume(struct device *dev) @@ -6182,13 +6146,10 @@ static int e1000_runtime_suspend(struct device *dev)  	struct net_device *netdev = pci_get_drvdata(pdev);  	struct e1000_adapter *adapter = netdev_priv(netdev); -	if (e1000e_pm_ready(adapter)) { -		bool wake; - -		__e1000_shutdown(pdev, &wake, true); -	} +	if (!e1000e_pm_ready(adapter)) +		return 0; -	return 0; +	return __e1000_shutdown(pdev, true);  }  static int e1000_idle(struct device *dev) @@ -6226,12 +6187,7 @@ static int e1000_runtime_resume(struct device *dev)  static void e1000_shutdown(struct pci_dev *pdev)  { -	bool wake = false; - -	__e1000_shutdown(pdev, &wake, false); - -	if (system_state == SYSTEM_POWER_OFF) -		e1000_complete_shutdown(pdev, false, wake); +	__e1000_shutdown(pdev, false);  }  #ifdef CONFIG_NET_POLL_CONTROLLER @@ -6352,9 +6308,9 @@ static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)  			"Cannot re-enable PCI device after reset.\n");  		result = PCI_ERS_RESULT_DISCONNECT;  	} else { -		pci_set_master(pdev);  		pdev->state_saved = true;  		pci_restore_state(pdev); +		pci_set_master(pdev);  		pci_enable_wake(pdev, PCI_D3hot, 0);  		pci_enable_wake(pdev, PCI_D3cold, 0); @@ -6783,7 +6739,11 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)  	/* initialize the wol settings based on the eeprom settings */  	adapter->wol = adapter->eeprom_wol; -	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); + +	/* make sure adapter isn't asleep if manageability is enabled */ +	if (adapter->wol || (adapter->flags & FLAG_MNG_PT_ENABLED) || +	    (hw->mac.ops.check_mng_mode(hw))) +		device_wakeup_enable(&pdev->dev);  	/* save off EEPROM version number */  	e1000_read_nvm(&adapter->hw, 5, 1, &adapter->eeprom_vers); diff --git a/drivers/net/ethernet/intel/e1000e/regs.h b/drivers/net/ethernet/intel/e1000e/regs.h index 794fe149766..a7e6a3e3725 100644 --- a/drivers/net/ethernet/intel/e1000e/regs.h +++ b/drivers/net/ethernet/intel/e1000e/regs.h @@ -42,6 +42,7 @@  #define E1000_FEXTNVM	0x00028	/* Future Extended NVM - RW */  #define E1000_FEXTNVM3	0x0003C	/* Future Extended NVM 3 - RW */  #define E1000_FEXTNVM4	0x00024	/* Future Extended NVM 4 - RW */ +#define E1000_FEXTNVM6	0x00010	/* Future Extended NVM 6 - RW */  #define E1000_FEXTNVM7	0x000E4	/* Future Extended NVM 7 - RW */  #define E1000_FCT	0x00030	/* Flow Control Type - RW */  #define E1000_VET	0x00038	/* VLAN Ether Type - RW */ diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c index 84e7e0909de..b64542acfa3 100644 --- a/drivers/net/ethernet/intel/igb/e1000_82575.c +++ b/drivers/net/ethernet/intel/igb/e1000_82575.c @@ -1361,11 +1361,16 @@ static s32 igb_setup_copper_link_82575(struct e1000_hw *hw)  	switch (hw->phy.type) {  	case e1000_phy_i210:  	case e1000_phy_m88: -		if (hw->phy.id == I347AT4_E_PHY_ID || -		    hw->phy.id == M88E1112_E_PHY_ID) +		switch (hw->phy.id) { +		case I347AT4_E_PHY_ID: +		case M88E1112_E_PHY_ID: +		case I210_I_PHY_ID:  			ret_val = igb_copper_link_setup_m88_gen2(hw); -		else +			break; +		default:  			ret_val = igb_copper_link_setup_m88(hw); +			break; +		}  		break;  	case e1000_phy_igp_3:  		ret_val = igb_copper_link_setup_igp(hw); diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h index d27edbc6392..25151401c2a 100644 --- a/drivers/net/ethernet/intel/igb/igb.h +++ b/drivers/net/ethernet/intel/igb/igb.h @@ -447,7 +447,7 @@ struct igb_adapter {  #endif  	struct i2c_algo_bit_data i2c_algo;  	struct i2c_adapter i2c_adap; -	struct igb_i2c_client_list *i2c_clients; +	struct i2c_client *i2c_client;  };  #define IGB_FLAG_HAS_MSI		(1 << 0) diff --git a/drivers/net/ethernet/intel/igb/igb_hwmon.c b/drivers/net/ethernet/intel/igb/igb_hwmon.c index 0a9b073d0b0..4623502054d 100644 --- a/drivers/net/ethernet/intel/igb/igb_hwmon.c +++ b/drivers/net/ethernet/intel/igb/igb_hwmon.c @@ -39,6 +39,10 @@  #include <linux/pci.h>  #ifdef CONFIG_IGB_HWMON +struct i2c_board_info i350_sensor_info = { +	I2C_BOARD_INFO("i350bb", (0Xf8 >> 1)), +}; +  /* hwmon callback functions */  static ssize_t igb_hwmon_show_location(struct device *dev,  					 struct device_attribute *attr, @@ -188,6 +192,7 @@ int igb_sysfs_init(struct igb_adapter *adapter)  	unsigned int i;  	int n_attrs;  	int rc = 0; +	struct i2c_client *client = NULL;  	/* If this method isn't defined we don't support thermals */  	if (adapter->hw.mac.ops.init_thermal_sensor_thresh == NULL) @@ -198,6 +203,15 @@ int igb_sysfs_init(struct igb_adapter *adapter)  		if (rc)  			goto exit; +	/* init i2c_client */ +	client = i2c_new_device(&adapter->i2c_adap, &i350_sensor_info); +	if (client == NULL) { +		dev_info(&adapter->pdev->dev, +			"Failed to create new i2c device..\n"); +		goto exit; +	} +	adapter->i2c_client = client; +  	/* Allocation space for max attributes  	 * max num sensors * values (loc, temp, max, caution)  	 */ diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index ed79a1c53b5..4dbd62968c7 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -1923,10 +1923,6 @@ void igb_set_fw_version(struct igb_adapter *adapter)  	return;  } -static const struct i2c_board_info i350_sensor_info = { -	I2C_BOARD_INFO("i350bb", 0Xf8), -}; -  /*  igb_init_i2c - Init I2C interface   *  @adapter: pointer to adapter structure   * @@ -6227,13 +6223,6 @@ static struct sk_buff *igb_build_rx_buffer(struct igb_ring *rx_ring,  	/* If we spanned a buffer we have a huge mess so test for it */  	BUG_ON(unlikely(!igb_test_staterr(rx_desc, E1000_RXD_STAT_EOP))); -	/* Guarantee this function can be used by verifying buffer sizes */ -	BUILD_BUG_ON(SKB_WITH_OVERHEAD(IGB_RX_BUFSZ) < (NET_SKB_PAD + -							NET_IP_ALIGN + -							IGB_TS_HDR_LEN + -							ETH_FRAME_LEN + -							ETH_FCS_LEN)); -  	rx_buffer = &rx_ring->rx_buffer_info[rx_ring->next_to_clean];  	page = rx_buffer->page;  	prefetchw(page); @@ -7724,67 +7713,6 @@ static void igb_init_dmac(struct igb_adapter *adapter, u32 pba)  	}  } -static DEFINE_SPINLOCK(i2c_clients_lock); - -/*  igb_get_i2c_client - returns matching client - *  in adapters's client list. - *  @adapter: adapter struct - *  @dev_addr: device address of i2c needed. - */ -static struct i2c_client * -igb_get_i2c_client(struct igb_adapter *adapter, u8 dev_addr) -{ -	ulong flags; -	struct igb_i2c_client_list *client_list; -	struct i2c_client *client = NULL; -	struct i2c_board_info client_info = { -		I2C_BOARD_INFO("igb", 0x00), -	}; - -	spin_lock_irqsave(&i2c_clients_lock, flags); -	client_list = adapter->i2c_clients; - -	/* See if we already have an i2c_client */ -	while (client_list) { -		if (client_list->client->addr == (dev_addr >> 1)) { -			client = client_list->client; -			goto exit; -		} else { -			client_list = client_list->next; -		} -	} - -	/* no client_list found, create a new one */ -	client_list = kzalloc(sizeof(*client_list), GFP_ATOMIC); -	if (client_list == NULL) -		goto exit; - -	/* dev_addr passed to us is left-shifted by 1 bit -	 * i2c_new_device call expects it to be flush to the right. -	 */ -	client_info.addr = dev_addr >> 1; -	client_info.platform_data = adapter; -	client_list->client = i2c_new_device(&adapter->i2c_adap, &client_info); -	if (client_list->client == NULL) { -		dev_info(&adapter->pdev->dev, -			"Failed to create new i2c device..\n"); -		goto err_no_client; -	} - -	/* insert new client at head of list */ -	client_list->next = adapter->i2c_clients; -	adapter->i2c_clients = client_list; - -	client = client_list->client; -	goto exit; - -err_no_client: -	kfree(client_list); -exit: -	spin_unlock_irqrestore(&i2c_clients_lock, flags); -	return client; -} -  /*  igb_read_i2c_byte - Reads 8 bit word over I2C   *  @hw: pointer to hardware structure   *  @byte_offset: byte offset to read @@ -7798,7 +7726,7 @@ s32 igb_read_i2c_byte(struct e1000_hw *hw, u8 byte_offset,  				u8 dev_addr, u8 *data)  {  	struct igb_adapter *adapter = container_of(hw, struct igb_adapter, hw); -	struct i2c_client *this_client = igb_get_i2c_client(adapter, dev_addr); +	struct i2c_client *this_client = adapter->i2c_client;  	s32 status;  	u16 swfw_mask = 0; @@ -7835,7 +7763,7 @@ s32 igb_write_i2c_byte(struct e1000_hw *hw, u8 byte_offset,  				 u8 dev_addr, u8 data)  {  	struct igb_adapter *adapter = container_of(hw, struct igb_adapter, hw); -	struct i2c_client *this_client = igb_get_i2c_client(adapter, dev_addr); +	struct i2c_client *this_client = adapter->i2c_client;  	s32 status;  	u16 swfw_mask = E1000_SWFW_PHY0_SM; diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c index 29140502b71..6562c736a1d 100644 --- a/drivers/net/ethernet/marvell/mv643xx_eth.c +++ b/drivers/net/ethernet/marvell/mv643xx_eth.c @@ -1081,6 +1081,45 @@ static void txq_set_fixed_prio_mode(struct tx_queue *txq)  /* mii management interface *************************************************/ +static void mv643xx_adjust_pscr(struct mv643xx_eth_private *mp) +{ +	u32 pscr = rdlp(mp, PORT_SERIAL_CONTROL); +	u32 autoneg_disable = FORCE_LINK_PASS | +	             DISABLE_AUTO_NEG_SPEED_GMII | +		     DISABLE_AUTO_NEG_FOR_FLOW_CTRL | +		     DISABLE_AUTO_NEG_FOR_DUPLEX; + +	if (mp->phy->autoneg == AUTONEG_ENABLE) { +		/* enable auto negotiation */ +		pscr &= ~autoneg_disable; +		goto out_write; +	} + +	pscr |= autoneg_disable; + +	if (mp->phy->speed == SPEED_1000) { +		/* force gigabit, half duplex not supported */ +		pscr |= SET_GMII_SPEED_TO_1000; +		pscr |= SET_FULL_DUPLEX_MODE; +		goto out_write; +	} + +	pscr &= ~SET_GMII_SPEED_TO_1000; + +	if (mp->phy->speed == SPEED_100) +		pscr |= SET_MII_SPEED_TO_100; +	else +		pscr &= ~SET_MII_SPEED_TO_100; + +	if (mp->phy->duplex == DUPLEX_FULL) +		pscr |= SET_FULL_DUPLEX_MODE; +	else +		pscr &= ~SET_FULL_DUPLEX_MODE; + +out_write: +	wrlp(mp, PORT_SERIAL_CONTROL, pscr); +} +  static irqreturn_t mv643xx_eth_err_irq(int irq, void *dev_id)  {  	struct mv643xx_eth_shared_private *msp = dev_id; @@ -1499,6 +1538,7 @@ static int  mv643xx_eth_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)  {  	struct mv643xx_eth_private *mp = netdev_priv(dev); +	int ret;  	if (mp->phy == NULL)  		return -EINVAL; @@ -1508,7 +1548,10 @@ mv643xx_eth_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)  	 */  	cmd->advertising &= ~ADVERTISED_1000baseT_Half; -	return phy_ethtool_sset(mp->phy, cmd); +	ret = phy_ethtool_sset(mp->phy, cmd); +	if (!ret) +		mv643xx_adjust_pscr(mp); +	return ret;  }  static void mv643xx_eth_get_drvinfo(struct net_device *dev, @@ -2442,11 +2485,15 @@ static int mv643xx_eth_stop(struct net_device *dev)  static int mv643xx_eth_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)  {  	struct mv643xx_eth_private *mp = netdev_priv(dev); +	int ret; -	if (mp->phy != NULL) -		return phy_mii_ioctl(mp->phy, ifr, cmd); +	if (mp->phy == NULL) +		return -ENOTSUPP; -	return -EOPNOTSUPP; +	ret = phy_mii_ioctl(mp->phy, ifr, cmd); +	if (!ret) +		mv643xx_adjust_pscr(mp); +	return ret;  }  static int mv643xx_eth_change_mtu(struct net_device *dev, int new_mtu) diff --git a/drivers/net/ethernet/mellanox/mlx4/cq.c b/drivers/net/ethernet/mellanox/mlx4/cq.c index 7e64033d7de..0706623cfb9 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cq.c +++ b/drivers/net/ethernet/mellanox/mlx4/cq.c @@ -226,7 +226,7 @@ void __mlx4_cq_free_icm(struct mlx4_dev *dev, int cqn)  static void mlx4_cq_free_icm(struct mlx4_dev *dev, int cqn)  { -	u64 in_param; +	u64 in_param = 0;  	int err;  	if (mlx4_is_mfunc(dev)) { diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index bb4d8d99f36..995d4b6d5c1 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -565,34 +565,38 @@ static void mlx4_en_put_qp(struct mlx4_en_priv *priv)  	struct mlx4_en_dev *mdev = priv->mdev;  	struct mlx4_dev *dev = mdev->dev;  	int qpn = priv->base_qpn; -	u64 mac = mlx4_en_mac_to_u64(priv->dev->dev_addr); - -	en_dbg(DRV, priv, "Registering MAC: %pM for deleting\n", -	       priv->dev->dev_addr); -	mlx4_unregister_mac(dev, priv->port, mac); +	u64 mac; -	if (dev->caps.steering_mode != MLX4_STEERING_MODE_A0) { +	if (dev->caps.steering_mode == MLX4_STEERING_MODE_A0) { +		mac = mlx4_en_mac_to_u64(priv->dev->dev_addr); +		en_dbg(DRV, priv, "Registering MAC: %pM for deleting\n", +		       priv->dev->dev_addr); +		mlx4_unregister_mac(dev, priv->port, mac); +	} else {  		struct mlx4_mac_entry *entry;  		struct hlist_node *tmp;  		struct hlist_head *bucket; -		unsigned int mac_hash; +		unsigned int i; -		mac_hash = priv->dev->dev_addr[MLX4_EN_MAC_HASH_IDX]; -		bucket = &priv->mac_hash[mac_hash]; -		hlist_for_each_entry_safe(entry, tmp, bucket, hlist) { -			if (ether_addr_equal_64bits(entry->mac, -						    priv->dev->dev_addr)) { -				en_dbg(DRV, priv, "Releasing qp: port %d, MAC %pM, qpn %d\n", -				       priv->port, priv->dev->dev_addr, qpn); +		for (i = 0; i < MLX4_EN_MAC_HASH_SIZE; ++i) { +			bucket = &priv->mac_hash[i]; +			hlist_for_each_entry_safe(entry, tmp, bucket, hlist) { +				mac = mlx4_en_mac_to_u64(entry->mac); +				en_dbg(DRV, priv, "Registering MAC: %pM for deleting\n", +				       entry->mac);  				mlx4_en_uc_steer_release(priv, entry->mac,  							 qpn, entry->reg_id); -				mlx4_qp_release_range(dev, qpn, 1); +				mlx4_unregister_mac(dev, priv->port, mac);  				hlist_del_rcu(&entry->hlist);  				kfree_rcu(entry, rcu); -				break;  			}  		} + +		en_dbg(DRV, priv, "Releasing qp: port %d, qpn %d\n", +		       priv->port, qpn); +		mlx4_qp_release_range(dev, qpn, 1); +		priv->flags &= ~MLX4_EN_FLAG_FORCE_PROMISC;  	}  } @@ -650,28 +654,10 @@ u64 mlx4_en_mac_to_u64(u8 *addr)  	return mac;  } -static int mlx4_en_set_mac(struct net_device *dev, void *addr) -{ -	struct mlx4_en_priv *priv = netdev_priv(dev); -	struct mlx4_en_dev *mdev = priv->mdev; -	struct sockaddr *saddr = addr; - -	if (!is_valid_ether_addr(saddr->sa_data)) -		return -EADDRNOTAVAIL; - -	memcpy(dev->dev_addr, saddr->sa_data, ETH_ALEN); -	queue_work(mdev->workqueue, &priv->mac_task); -	return 0; -} - -static void mlx4_en_do_set_mac(struct work_struct *work) +static int mlx4_en_do_set_mac(struct mlx4_en_priv *priv)  { -	struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, -						 mac_task); -	struct mlx4_en_dev *mdev = priv->mdev;  	int err = 0; -	mutex_lock(&mdev->state_lock);  	if (priv->port_up) {  		/* Remove old MAC and insert the new one */  		err = mlx4_en_replace_mac(priv, priv->base_qpn, @@ -683,7 +669,26 @@ static void mlx4_en_do_set_mac(struct work_struct *work)  	} else  		en_dbg(HW, priv, "Port is down while registering mac, exiting...\n"); +	return err; +} + +static int mlx4_en_set_mac(struct net_device *dev, void *addr) +{ +	struct mlx4_en_priv *priv = netdev_priv(dev); +	struct mlx4_en_dev *mdev = priv->mdev; +	struct sockaddr *saddr = addr; +	int err; + +	if (!is_valid_ether_addr(saddr->sa_data)) +		return -EADDRNOTAVAIL; + +	memcpy(dev->dev_addr, saddr->sa_data, ETH_ALEN); + +	mutex_lock(&mdev->state_lock); +	err = mlx4_en_do_set_mac(priv);  	mutex_unlock(&mdev->state_lock); + +	return err;  }  static void mlx4_en_clear_list(struct net_device *dev) @@ -1348,7 +1353,7 @@ static void mlx4_en_do_get_stats(struct work_struct *work)  		queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY);  	}  	if (mdev->mac_removed[MLX4_MAX_PORTS + 1 - priv->port]) { -		queue_work(mdev->workqueue, &priv->mac_task); +		mlx4_en_do_set_mac(priv);  		mdev->mac_removed[MLX4_MAX_PORTS + 1 - priv->port] = 0;  	}  	mutex_unlock(&mdev->state_lock); @@ -1828,9 +1833,11 @@ int mlx4_en_alloc_resources(struct mlx4_en_priv *priv)  	}  #ifdef CONFIG_RFS_ACCEL -	priv->dev->rx_cpu_rmap = alloc_irq_cpu_rmap(priv->mdev->dev->caps.comp_pool); -	if (!priv->dev->rx_cpu_rmap) -		goto err; +	if (priv->mdev->dev->caps.comp_pool) { +		priv->dev->rx_cpu_rmap = alloc_irq_cpu_rmap(priv->mdev->dev->caps.comp_pool); +		if (!priv->dev->rx_cpu_rmap) +			goto err; +	}  #endif  	return 0; @@ -2078,7 +2085,6 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,  	priv->msg_enable = MLX4_EN_MSG_LEVEL;  	spin_lock_init(&priv->stats_lock);  	INIT_WORK(&priv->rx_mode_task, mlx4_en_do_set_rx_mode); -	INIT_WORK(&priv->mac_task, mlx4_en_do_set_mac);  	INIT_WORK(&priv->watchdog_task, mlx4_en_restart);  	INIT_WORK(&priv->linkstate_task, mlx4_en_linkstate);  	INIT_DELAYED_WORK(&priv->stats_task, mlx4_en_do_get_stats); diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 50917eb3013..f6245579962 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -787,6 +787,14 @@ int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,  	bmme_flags &= ~MLX4_BMME_FLAG_TYPE_2_WIN;  	MLX4_PUT(outbox->buf, bmme_flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); +	/* turn off device-managed steering capability if not enabled */ +	if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) { +		MLX4_GET(field, outbox->buf, +			 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET); +		field &= 0x7f; +		MLX4_PUT(outbox->buf, field, +			 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET); +	}  	return 0;  } diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index d180bc46826..16abde20e1f 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -1555,7 +1555,7 @@ void __mlx4_counter_free(struct mlx4_dev *dev, u32 idx)  void mlx4_counter_free(struct mlx4_dev *dev, u32 idx)  { -	u64 in_param; +	u64 in_param = 0;  	if (mlx4_is_mfunc(dev)) {  		set_param_l(&in_param, idx); diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h index cf883345af8..d738454116a 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h @@ -1235,7 +1235,7 @@ int mlx4_get_qp_per_mgm(struct mlx4_dev *dev);  static inline void set_param_l(u64 *arg, u32 val)  { -	*((u32 *)arg) = val; +	*arg = (*arg & 0xffffffff00000000ULL) | (u64) val;  }  static inline void set_param_h(u64 *arg, u32 val) diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index c313d7e943a..f710b7ce0dc 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -509,7 +509,6 @@ struct mlx4_en_priv {  	struct mlx4_en_cq rx_cq[MAX_RX_RINGS];  	struct mlx4_qp drop_qp;  	struct work_struct rx_mode_task; -	struct work_struct mac_task;  	struct work_struct watchdog_task;  	struct work_struct linkstate_task;  	struct delayed_work stats_task; diff --git a/drivers/net/ethernet/mellanox/mlx4/mr.c b/drivers/net/ethernet/mellanox/mlx4/mr.c index 602ca9bf78e..f91719a08cb 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mr.c +++ b/drivers/net/ethernet/mellanox/mlx4/mr.c @@ -183,7 +183,7 @@ u32 __mlx4_alloc_mtt_range(struct mlx4_dev *dev, int order)  static u32 mlx4_alloc_mtt_range(struct mlx4_dev *dev, int order)  { -	u64 in_param; +	u64 in_param = 0;  	u64 out_param;  	int err; @@ -240,7 +240,7 @@ void __mlx4_free_mtt_range(struct mlx4_dev *dev, u32 offset, int order)  static void mlx4_free_mtt_range(struct mlx4_dev *dev, u32 offset, int order)  { -	u64 in_param; +	u64 in_param = 0;  	int err;  	if (mlx4_is_mfunc(dev)) { @@ -351,7 +351,7 @@ void __mlx4_mpt_release(struct mlx4_dev *dev, u32 index)  static void mlx4_mpt_release(struct mlx4_dev *dev, u32 index)  { -	u64 in_param; +	u64 in_param = 0;  	if (mlx4_is_mfunc(dev)) {  		set_param_l(&in_param, index); @@ -374,7 +374,7 @@ int __mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index)  static int mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index)  { -	u64 param; +	u64 param = 0;  	if (mlx4_is_mfunc(dev)) {  		set_param_l(¶m, index); @@ -395,7 +395,7 @@ void __mlx4_mpt_free_icm(struct mlx4_dev *dev, u32 index)  static void mlx4_mpt_free_icm(struct mlx4_dev *dev, u32 index)  { -	u64 in_param; +	u64 in_param = 0;  	if (mlx4_is_mfunc(dev)) {  		set_param_l(&in_param, index); diff --git a/drivers/net/ethernet/mellanox/mlx4/pd.c b/drivers/net/ethernet/mellanox/mlx4/pd.c index 1ac88637ad9..00f223acada 100644 --- a/drivers/net/ethernet/mellanox/mlx4/pd.c +++ b/drivers/net/ethernet/mellanox/mlx4/pd.c @@ -101,7 +101,7 @@ void __mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn)  void mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn)  { -	u64 in_param; +	u64 in_param = 0;  	int err;  	if (mlx4_is_mfunc(dev)) { diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c index 719ead15e49..10c57c86388 100644 --- a/drivers/net/ethernet/mellanox/mlx4/port.c +++ b/drivers/net/ethernet/mellanox/mlx4/port.c @@ -175,7 +175,7 @@ EXPORT_SYMBOL_GPL(__mlx4_register_mac);  int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac)  { -	u64 out_param; +	u64 out_param = 0;  	int err;  	if (mlx4_is_mfunc(dev)) { @@ -222,7 +222,7 @@ EXPORT_SYMBOL_GPL(__mlx4_unregister_mac);  void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac)  { -	u64 out_param; +	u64 out_param = 0;  	if (mlx4_is_mfunc(dev)) {  		set_param_l(&out_param, port); @@ -361,7 +361,7 @@ out:  int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index)  { -	u64 out_param; +	u64 out_param = 0;  	int err;  	if (mlx4_is_mfunc(dev)) { @@ -406,7 +406,7 @@ out:  void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, int index)  { -	u64 in_param; +	u64 in_param = 0;  	int err;  	if (mlx4_is_mfunc(dev)) { diff --git a/drivers/net/ethernet/mellanox/mlx4/qp.c b/drivers/net/ethernet/mellanox/mlx4/qp.c index 81e2abe07bb..e891b058c1b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/qp.c +++ b/drivers/net/ethernet/mellanox/mlx4/qp.c @@ -222,7 +222,7 @@ int __mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align,  int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, int *base)  { -	u64 in_param; +	u64 in_param = 0;  	u64 out_param;  	int err; @@ -255,7 +255,7 @@ void __mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt)  void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt)  { -	u64 in_param; +	u64 in_param = 0;  	int err;  	if (mlx4_is_mfunc(dev)) { @@ -319,7 +319,7 @@ err_out:  static int mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn)  { -	u64 param; +	u64 param = 0;  	if (mlx4_is_mfunc(dev)) {  		set_param_l(¶m, qpn); @@ -344,7 +344,7 @@ void __mlx4_qp_free_icm(struct mlx4_dev *dev, int qpn)  static void mlx4_qp_free_icm(struct mlx4_dev *dev, int qpn)  { -	u64 in_param; +	u64 in_param = 0;  	if (mlx4_is_mfunc(dev)) {  		set_param_l(&in_param, qpn); diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c index 083fb48dc3d..2995687f1ae 100644 --- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c +++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c @@ -2990,6 +2990,9 @@ int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave,  	u8 steer_type_mask = 2;  	enum mlx4_steer_type type = (gid[7] & steer_type_mask) >> 1; +	if (dev->caps.steering_mode != MLX4_STEERING_MODE_B0) +		return -EINVAL; +  	qpn = vhcr->in_modifier & 0xffffff;  	err = get_res(dev, slave, qpn, RES_QP, &rqp);  	if (err) diff --git a/drivers/net/ethernet/mellanox/mlx4/srq.c b/drivers/net/ethernet/mellanox/mlx4/srq.c index feda6c00829..e329fe1f11b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/srq.c +++ b/drivers/net/ethernet/mellanox/mlx4/srq.c @@ -149,7 +149,7 @@ void __mlx4_srq_free_icm(struct mlx4_dev *dev, int srqn)  static void mlx4_srq_free_icm(struct mlx4_dev *dev, int srqn)  { -	u64 in_param; +	u64 in_param = 0;  	if (mlx4_is_mfunc(dev)) {  		set_param_l(&in_param, srqn); diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 8900398ba10..28fb50a1e9c 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -4765,8 +4765,10 @@ static void rtl_hw_start_8168bb(struct rtl8169_private *tp)  	RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); -	rtl_tx_performance_tweak(pdev, -		(0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN); +	if (tp->dev->mtu <= ETH_DATA_LEN) { +		rtl_tx_performance_tweak(pdev, (0x5 << MAX_READ_REQUEST_SHIFT) | +					 PCI_EXP_DEVCTL_NOSNOOP_EN); +	}  }  static void rtl_hw_start_8168bef(struct rtl8169_private *tp) @@ -4789,7 +4791,8 @@ static void __rtl_hw_start_8168cp(struct rtl8169_private *tp)  	RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); -	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); +	if (tp->dev->mtu <= ETH_DATA_LEN) +		rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);  	rtl_disable_clock_request(pdev); @@ -4822,7 +4825,8 @@ static void rtl_hw_start_8168cp_2(struct rtl8169_private *tp)  	RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); -	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); +	if (tp->dev->mtu <= ETH_DATA_LEN) +		rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);  	RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);  } @@ -4841,7 +4845,8 @@ static void rtl_hw_start_8168cp_3(struct rtl8169_private *tp)  	RTL_W8(MaxTxPacketSize, TxPacketMax); -	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); +	if (tp->dev->mtu <= ETH_DATA_LEN) +		rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);  	RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);  } @@ -4901,7 +4906,8 @@ static void rtl_hw_start_8168d(struct rtl8169_private *tp)  	RTL_W8(MaxTxPacketSize, TxPacketMax); -	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); +	if (tp->dev->mtu <= ETH_DATA_LEN) +		rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);  	RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);  } @@ -4913,7 +4919,8 @@ static void rtl_hw_start_8168dp(struct rtl8169_private *tp)  	rtl_csi_access_enable_1(tp); -	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); +	if (tp->dev->mtu <= ETH_DATA_LEN) +		rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);  	RTL_W8(MaxTxPacketSize, TxPacketMax); @@ -4972,7 +4979,8 @@ static void rtl_hw_start_8168e_1(struct rtl8169_private *tp)  	rtl_ephy_init(tp, e_info_8168e_1, ARRAY_SIZE(e_info_8168e_1)); -	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); +	if (tp->dev->mtu <= ETH_DATA_LEN) +		rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);  	RTL_W8(MaxTxPacketSize, TxPacketMax); @@ -4998,7 +5006,8 @@ static void rtl_hw_start_8168e_2(struct rtl8169_private *tp)  	rtl_ephy_init(tp, e_info_8168e_2, ARRAY_SIZE(e_info_8168e_2)); -	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); +	if (tp->dev->mtu <= ETH_DATA_LEN) +		rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);  	rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);  	rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index bf57b3cb16a..0bc00991d31 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -779,6 +779,7 @@ efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries)  						tx_queue->txd.entries);  	} +	efx_device_detach_sync(efx);  	efx_stop_all(efx);  	efx_stop_interrupts(efx, true); @@ -832,6 +833,7 @@ out:  	efx_start_interrupts(efx, true);  	efx_start_all(efx); +	netif_device_attach(efx->net_dev);  	return rc;  rollback: @@ -1641,8 +1643,12 @@ static void efx_stop_all(struct efx_nic *efx)  	/* Flush efx_mac_work(), refill_workqueue, monitor_work */  	efx_flush_all(efx); -	/* Stop the kernel transmit interface late, so the watchdog -	 * timer isn't ticking over the flush */ +	/* Stop the kernel transmit interface.  This is only valid if +	 * the device is stopped or detached; otherwise the watchdog +	 * may fire immediately. +	 */ +	WARN_ON(netif_running(efx->net_dev) && +		netif_device_present(efx->net_dev));  	netif_tx_disable(efx->net_dev);  	efx_stop_datapath(efx); @@ -1963,16 +1969,18 @@ static int efx_change_mtu(struct net_device *net_dev, int new_mtu)  	if (new_mtu > EFX_MAX_MTU)  		return -EINVAL; -	efx_stop_all(efx); -  	netif_dbg(efx, drv, efx->net_dev, "changing MTU to %d\n", new_mtu); +	efx_device_detach_sync(efx); +	efx_stop_all(efx); +  	mutex_lock(&efx->mac_lock);  	net_dev->mtu = new_mtu;  	efx->type->reconfigure_mac(efx);  	mutex_unlock(&efx->mac_lock);  	efx_start_all(efx); +	netif_device_attach(efx->net_dev);  	return 0;  } diff --git a/drivers/net/ethernet/sfc/efx.h b/drivers/net/ethernet/sfc/efx.h index 50247dfe8f5..d2f790df6dc 100644 --- a/drivers/net/ethernet/sfc/efx.h +++ b/drivers/net/ethernet/sfc/efx.h @@ -171,9 +171,9 @@ static inline void efx_device_detach_sync(struct efx_nic *efx)  	 * TX scheduler is stopped when we're done and before  	 * netif_device_present() becomes false.  	 */ -	netif_tx_lock(dev); +	netif_tx_lock_bh(dev);  	netif_device_detach(dev); -	netif_tx_unlock(dev); +	netif_tx_unlock_bh(dev);  }  #endif /* EFX_EFX_H */ diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h index 2d756c1d714..0a90abd2421 100644 --- a/drivers/net/ethernet/sfc/net_driver.h +++ b/drivers/net/ethernet/sfc/net_driver.h @@ -210,6 +210,7 @@ struct efx_tx_queue {   *	Will be %NULL if the buffer slot is currently free.   * @page: The associated page buffer. Valif iff @flags & %EFX_RX_BUF_PAGE.   *	Will be %NULL if the buffer slot is currently free. + * @page_offset: Offset within page. Valid iff @flags & %EFX_RX_BUF_PAGE.   * @len: Buffer length, in bytes.   * @flags: Flags for buffer and packet state.   */ @@ -219,7 +220,8 @@ struct efx_rx_buffer {  		struct sk_buff *skb;  		struct page *page;  	} u; -	unsigned int len; +	u16 page_offset; +	u16 len;  	u16 flags;  };  #define EFX_RX_BUF_PAGE		0x0001 diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c index d780a0d096b..bb579a6128c 100644 --- a/drivers/net/ethernet/sfc/rx.c +++ b/drivers/net/ethernet/sfc/rx.c @@ -90,11 +90,7 @@ static unsigned int rx_refill_threshold;  static inline unsigned int efx_rx_buf_offset(struct efx_nic *efx,  					     struct efx_rx_buffer *buf)  { -	/* Offset is always within one page, so we don't need to consider -	 * the page order. -	 */ -	return ((unsigned int) buf->dma_addr & (PAGE_SIZE - 1)) + -		efx->type->rx_buffer_hash_size; +	return buf->page_offset + efx->type->rx_buffer_hash_size;  }  static inline unsigned int efx_rx_buf_size(struct efx_nic *efx)  { @@ -187,6 +183,7 @@ static int efx_init_rx_buffers_page(struct efx_rx_queue *rx_queue)  	struct efx_nic *efx = rx_queue->efx;  	struct efx_rx_buffer *rx_buf;  	struct page *page; +	unsigned int page_offset;  	struct efx_rx_page_state *state;  	dma_addr_t dma_addr;  	unsigned index, count; @@ -211,12 +208,14 @@ static int efx_init_rx_buffers_page(struct efx_rx_queue *rx_queue)  		state->dma_addr = dma_addr;  		dma_addr += sizeof(struct efx_rx_page_state); +		page_offset = sizeof(struct efx_rx_page_state);  	split:  		index = rx_queue->added_count & rx_queue->ptr_mask;  		rx_buf = efx_rx_buffer(rx_queue, index);  		rx_buf->dma_addr = dma_addr + EFX_PAGE_IP_ALIGN;  		rx_buf->u.page = page; +		rx_buf->page_offset = page_offset + EFX_PAGE_IP_ALIGN;  		rx_buf->len = efx->rx_buffer_len - EFX_PAGE_IP_ALIGN;  		rx_buf->flags = EFX_RX_BUF_PAGE;  		++rx_queue->added_count; @@ -227,6 +226,7 @@ static int efx_init_rx_buffers_page(struct efx_rx_queue *rx_queue)  			/* Use the second half of the page */  			get_page(page);  			dma_addr += (PAGE_SIZE >> 1); +			page_offset += (PAGE_SIZE >> 1);  			++count;  			goto split;  		} @@ -236,7 +236,8 @@ static int efx_init_rx_buffers_page(struct efx_rx_queue *rx_queue)  }  static void efx_unmap_rx_buffer(struct efx_nic *efx, -				struct efx_rx_buffer *rx_buf) +				struct efx_rx_buffer *rx_buf, +				unsigned int used_len)  {  	if ((rx_buf->flags & EFX_RX_BUF_PAGE) && rx_buf->u.page) {  		struct efx_rx_page_state *state; @@ -247,6 +248,10 @@ static void efx_unmap_rx_buffer(struct efx_nic *efx,  				       state->dma_addr,  				       efx_rx_buf_size(efx),  				       DMA_FROM_DEVICE); +		} else if (used_len) { +			dma_sync_single_for_cpu(&efx->pci_dev->dev, +						rx_buf->dma_addr, used_len, +						DMA_FROM_DEVICE);  		}  	} else if (!(rx_buf->flags & EFX_RX_BUF_PAGE) && rx_buf->u.skb) {  		dma_unmap_single(&efx->pci_dev->dev, rx_buf->dma_addr, @@ -269,7 +274,7 @@ static void efx_free_rx_buffer(struct efx_nic *efx,  static void efx_fini_rx_buffer(struct efx_rx_queue *rx_queue,  			       struct efx_rx_buffer *rx_buf)  { -	efx_unmap_rx_buffer(rx_queue->efx, rx_buf); +	efx_unmap_rx_buffer(rx_queue->efx, rx_buf, 0);  	efx_free_rx_buffer(rx_queue->efx, rx_buf);  } @@ -535,10 +540,10 @@ void efx_rx_packet(struct efx_rx_queue *rx_queue, unsigned int index,  		goto out;  	} -	/* Release card resources - assumes all RX buffers consumed in-order -	 * per RX queue +	/* Release and/or sync DMA mapping - assumes all RX buffers +	 * consumed in-order per RX queue  	 */ -	efx_unmap_rx_buffer(efx, rx_buf); +	efx_unmap_rx_buffer(efx, rx_buf, len);  	/* Prefetch nice and early so data will (hopefully) be in cache by  	 * the time we look at it. diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 7e93df6585e..01ffbc48698 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -731,7 +731,7 @@ static inline void cpsw_add_default_vlan(struct cpsw_priv *priv)  	writel(vlan, &priv->host_port_regs->port_vlan); -	for (i = 0; i < 2; i++) +	for (i = 0; i < priv->data.slaves; i++)  		slave_write(priv->slaves + i, vlan, reg);  	cpsw_ale_add_vlan(priv->ale, vlan, ALE_ALL_PORTS << port, diff --git a/drivers/net/hippi/rrunner.c b/drivers/net/hippi/rrunner.c index e5b19b05690..3c4d6274bb9 100644 --- a/drivers/net/hippi/rrunner.c +++ b/drivers/net/hippi/rrunner.c @@ -202,6 +202,9 @@ static int rr_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)  	return 0;   out: +	if (rrpriv->evt_ring) +		pci_free_consistent(pdev, EVT_RING_SIZE, rrpriv->evt_ring, +				    rrpriv->evt_ring_dma);  	if (rrpriv->rx_ring)  		pci_free_consistent(pdev, RX_TOTAL_SIZE, rrpriv->rx_ring,  				    rrpriv->rx_ring_dma); diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 417b2af1aa8..73abbc1655d 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -660,6 +660,7 @@ void macvlan_common_setup(struct net_device *dev)  	ether_setup(dev);  	dev->priv_flags	       &= ~(IFF_XMIT_DST_RELEASE | IFF_TX_SKB_SHARING); +	dev->priv_flags	       |= IFF_UNICAST_FLT;  	dev->netdev_ops		= &macvlan_netdev_ops;  	dev->destructor		= free_netdev;  	dev->header_ops		= &macvlan_hard_header_ops, diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 29934446436..abf7b6153d0 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -257,8 +257,7 @@ static struct phy_driver ksphy_driver[] = {  	.phy_id		= PHY_ID_KSZ9021,  	.phy_id_mask	= 0x000ffffe,  	.name		= "Micrel KSZ9021 Gigabit PHY", -	.features	= (PHY_GBIT_FEATURES | SUPPORTED_Pause -				| SUPPORTED_Asym_Pause), +	.features	= (PHY_GBIT_FEATURES | SUPPORTED_Pause),  	.flags		= PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,  	.config_init	= kszphy_config_init,  	.config_aneg	= genphy_config_aneg, diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 9930f999956..3657b4a2912 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -44,13 +44,13 @@ MODULE_LICENSE("GPL");  void phy_device_free(struct phy_device *phydev)  { -	kfree(phydev); +	put_device(&phydev->dev);  }  EXPORT_SYMBOL(phy_device_free);  static void phy_device_release(struct device *dev)  { -	phy_device_free(to_phy_device(dev)); +	kfree(to_phy_device(dev));  }  static struct phy_driver genphy_driver; @@ -201,6 +201,8 @@ struct phy_device *phy_device_create(struct mii_bus *bus, int addr, int phy_id,  	   there's no driver _already_ loaded. */  	request_module(MDIO_MODULE_PREFIX MDIO_ID_FMT, MDIO_ID_ARGS(phy_id)); +	device_initialize(&dev->dev); +  	return dev;  }  EXPORT_SYMBOL(phy_device_create); @@ -363,9 +365,9 @@ int phy_device_register(struct phy_device *phydev)  	/* Run all of the fixups for this PHY */  	phy_scan_fixups(phydev); -	err = device_register(&phydev->dev); +	err = device_add(&phydev->dev);  	if (err) { -		pr_err("phy %d failed to register\n", phydev->addr); +		pr_err("PHY %d failed to add\n", phydev->addr);  		goto out;  	} diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index 05c5efe8459..bf341929787 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -1138,6 +1138,8 @@ static int team_port_del(struct team *team, struct net_device *port_dev)  	netdev_upper_dev_unlink(port_dev, dev);  	team_port_disable_netpoll(port);  	vlan_vids_del_by_dev(port_dev, dev); +	dev_uc_unsync(port_dev, dev); +	dev_mc_unsync(port_dev, dev);  	dev_close(port_dev);  	team_port_leave(team, port); diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 2c6a22e278e..b7c457adc0d 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -747,6 +747,8 @@ static netdev_tx_t tun_net_xmit(struct sk_buff *skb, struct net_device *dev)  		goto drop;  	skb_orphan(skb); +	nf_reset(skb); +  	/* Enqueue packet */  	skb_queue_tail(&tfile->socket.sk->sk_receive_queue, skb); diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig index da92ed3797a..3b6e9b83342 100644 --- a/drivers/net/usb/Kconfig +++ b/drivers/net/usb/Kconfig @@ -156,6 +156,24 @@ config USB_NET_AX8817X  	  This driver creates an interface named "ethX", where X depends on  	  what other networking devices you have in use. +config USB_NET_AX88179_178A +	tristate "ASIX AX88179/178A USB 3.0/2.0 to Gigabit Ethernet" +	depends on USB_USBNET +	select CRC32 +	select PHYLIB +	default y +	help +	  This option adds support for ASIX AX88179 based USB 3.0/2.0 +	  to Gigabit Ethernet adapters. + +	  This driver should work with at least the following devices: +	    * ASIX AX88179 +	    * ASIX AX88178A +	    * Sitcomm LN-032 + +	  This driver creates an interface named "ethX", where X depends on +	  what other networking devices you have in use. +  config USB_NET_CDCETHER  	tristate "CDC Ethernet support (smart devices such as cable modems)"  	depends on USB_USBNET diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile index 478691326f3..119b06c9aa1 100644 --- a/drivers/net/usb/Makefile +++ b/drivers/net/usb/Makefile @@ -9,6 +9,7 @@ obj-$(CONFIG_USB_RTL8150)	+= rtl8150.o  obj-$(CONFIG_USB_HSO)		+= hso.o  obj-$(CONFIG_USB_NET_AX8817X)	+= asix.o  asix-y := asix_devices.o asix_common.o ax88172a.o +obj-$(CONFIG_USB_NET_AX88179_178A)      += ax88179_178a.o  obj-$(CONFIG_USB_NET_CDCETHER)	+= cdc_ether.o  obj-$(CONFIG_USB_NET_CDC_EEM)	+= cdc_eem.o  obj-$(CONFIG_USB_NET_DM9601)	+= dm9601.o diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c index 2205dbc8d32..70975346909 100644 --- a/drivers/net/usb/asix_devices.c +++ b/drivers/net/usb/asix_devices.c @@ -924,6 +924,29 @@ static const struct driver_info ax88178_info = {  	.tx_fixup = asix_tx_fixup,  }; +/* + * USBLINK 20F9 "USB 2.0 LAN" USB ethernet adapter, typically found in + * no-name packaging. + * USB device strings are: + *   1: Manufacturer: USBLINK + *   2: Product: HG20F9 USB2.0 + *   3: Serial: 000003 + * Appears to be compatible with Asix 88772B. + */ +static const struct driver_info hg20f9_info = { +	.description = "HG20F9 USB 2.0 Ethernet", +	.bind = ax88772_bind, +	.unbind = ax88772_unbind, +	.status = asix_status, +	.link_reset = ax88772_link_reset, +	.reset = ax88772_reset, +	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | +	         FLAG_MULTI_PACKET, +	.rx_fixup = asix_rx_fixup_common, +	.tx_fixup = asix_tx_fixup, +	.data = FLAG_EEPROM_MAC, +}; +  extern const struct driver_info ax88172a_info;  static const struct usb_device_id	products [] = { @@ -1063,6 +1086,14 @@ static const struct usb_device_id	products [] = {  	/* ASIX 88172a demo board */  	USB_DEVICE(0x0b95, 0x172a),  	.driver_info = (unsigned long) &ax88172a_info, +}, { +	/* +	 * USBLINK HG20F9 "USB 2.0 LAN" +	 * Appears to have gazumped Linksys's manufacturer ID but +	 * doesn't (yet) conflict with any known Linksys product. +	 */ +	USB_DEVICE(0x066b, 0x20f9), +	.driver_info = (unsigned long) &hg20f9_info,  },  	{ },		// END  }; diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c new file mode 100644 index 00000000000..71c27d8d214 --- /dev/null +++ b/drivers/net/usb/ax88179_178a.c @@ -0,0 +1,1448 @@ +/* + * ASIX AX88179/178A USB 3.0/2.0 to Gigabit Ethernet Devices + * + * Copyright (C) 2011-2013 ASIX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. + */ + +#include <linux/module.h> +#include <linux/etherdevice.h> +#include <linux/mii.h> +#include <linux/usb.h> +#include <linux/crc32.h> +#include <linux/usb/usbnet.h> + +#define AX88179_PHY_ID				0x03 +#define AX_EEPROM_LEN				0x100 +#define AX88179_EEPROM_MAGIC			0x17900b95 +#define AX_MCAST_FLTSIZE			8 +#define AX_MAX_MCAST				64 +#define AX_INT_PPLS_LINK			((u32)BIT(16)) +#define AX_RXHDR_L4_TYPE_MASK			0x1c +#define AX_RXHDR_L4_TYPE_UDP			4 +#define AX_RXHDR_L4_TYPE_TCP			16 +#define AX_RXHDR_L3CSUM_ERR			2 +#define AX_RXHDR_L4CSUM_ERR			1 +#define AX_RXHDR_CRC_ERR			((u32)BIT(31)) +#define AX_RXHDR_DROP_ERR			((u32)BIT(30)) +#define AX_ACCESS_MAC				0x01 +#define AX_ACCESS_PHY				0x02 +#define AX_ACCESS_EEPROM			0x04 +#define AX_ACCESS_EFUS				0x05 +#define AX_PAUSE_WATERLVL_HIGH			0x54 +#define AX_PAUSE_WATERLVL_LOW			0x55 + +#define PHYSICAL_LINK_STATUS			0x02 +	#define	AX_USB_SS		0x04 +	#define	AX_USB_HS		0x02 + +#define GENERAL_STATUS				0x03 +/* Check AX88179 version. UA1:Bit2 = 0,  UA2:Bit2 = 1 */ +	#define	AX_SECLD		0x04 + +#define AX_SROM_ADDR				0x07 +#define AX_SROM_CMD				0x0a +	#define EEP_RD			0x04 +	#define EEP_BUSY		0x10 + +#define AX_SROM_DATA_LOW			0x08 +#define AX_SROM_DATA_HIGH			0x09 + +#define AX_RX_CTL				0x0b +	#define AX_RX_CTL_DROPCRCERR	0x0100 +	#define AX_RX_CTL_IPE		0x0200 +	#define AX_RX_CTL_START		0x0080 +	#define AX_RX_CTL_AP		0x0020 +	#define AX_RX_CTL_AM		0x0010 +	#define AX_RX_CTL_AB		0x0008 +	#define AX_RX_CTL_AMALL		0x0002 +	#define AX_RX_CTL_PRO		0x0001 +	#define AX_RX_CTL_STOP		0x0000 + +#define AX_NODE_ID				0x10 +#define AX_MULFLTARY				0x16 + +#define AX_MEDIUM_STATUS_MODE			0x22 +	#define AX_MEDIUM_GIGAMODE	0x01 +	#define AX_MEDIUM_FULL_DUPLEX	0x02 +	#define AX_MEDIUM_ALWAYS_ONE	0x04 +	#define AX_MEDIUM_EN_125MHZ	0x08 +	#define AX_MEDIUM_RXFLOW_CTRLEN	0x10 +	#define AX_MEDIUM_TXFLOW_CTRLEN	0x20 +	#define AX_MEDIUM_RECEIVE_EN	0x100 +	#define AX_MEDIUM_PS		0x200 +	#define AX_MEDIUM_JUMBO_EN	0x8040 + +#define AX_MONITOR_MOD				0x24 +	#define AX_MONITOR_MODE_RWLC	0x02 +	#define AX_MONITOR_MODE_RWMP	0x04 +	#define AX_MONITOR_MODE_PMEPOL	0x20 +	#define AX_MONITOR_MODE_PMETYPE	0x40 + +#define AX_GPIO_CTRL				0x25 +	#define AX_GPIO_CTRL_GPIO3EN	0x80 +	#define AX_GPIO_CTRL_GPIO2EN	0x40 +	#define AX_GPIO_CTRL_GPIO1EN	0x20 + +#define AX_PHYPWR_RSTCTL			0x26 +	#define AX_PHYPWR_RSTCTL_BZ	0x0010 +	#define AX_PHYPWR_RSTCTL_IPRL	0x0020 +	#define AX_PHYPWR_RSTCTL_AT	0x1000 + +#define AX_RX_BULKIN_QCTRL			0x2e +#define AX_CLK_SELECT				0x33 +	#define AX_CLK_SELECT_BCS	0x01 +	#define AX_CLK_SELECT_ACS	0x02 +	#define AX_CLK_SELECT_ULR	0x08 + +#define AX_RXCOE_CTL				0x34 +	#define AX_RXCOE_IP		0x01 +	#define AX_RXCOE_TCP		0x02 +	#define AX_RXCOE_UDP		0x04 +	#define AX_RXCOE_TCPV6		0x20 +	#define AX_RXCOE_UDPV6		0x40 + +#define AX_TXCOE_CTL				0x35 +	#define AX_TXCOE_IP		0x01 +	#define AX_TXCOE_TCP		0x02 +	#define AX_TXCOE_UDP		0x04 +	#define AX_TXCOE_TCPV6		0x20 +	#define AX_TXCOE_UDPV6		0x40 + +#define AX_LEDCTRL				0x73 + +#define GMII_PHY_PHYSR				0x11 +	#define GMII_PHY_PHYSR_SMASK	0xc000 +	#define GMII_PHY_PHYSR_GIGA	0x8000 +	#define GMII_PHY_PHYSR_100	0x4000 +	#define GMII_PHY_PHYSR_FULL	0x2000 +	#define GMII_PHY_PHYSR_LINK	0x400 + +#define GMII_LED_ACT				0x1a +	#define	GMII_LED_ACTIVE_MASK	0xff8f +	#define	GMII_LED0_ACTIVE	BIT(4) +	#define	GMII_LED1_ACTIVE	BIT(5) +	#define	GMII_LED2_ACTIVE	BIT(6) + +#define GMII_LED_LINK				0x1c +	#define	GMII_LED_LINK_MASK	0xf888 +	#define	GMII_LED0_LINK_10	BIT(0) +	#define	GMII_LED0_LINK_100	BIT(1) +	#define	GMII_LED0_LINK_1000	BIT(2) +	#define	GMII_LED1_LINK_10	BIT(4) +	#define	GMII_LED1_LINK_100	BIT(5) +	#define	GMII_LED1_LINK_1000	BIT(6) +	#define	GMII_LED2_LINK_10	BIT(8) +	#define	GMII_LED2_LINK_100	BIT(9) +	#define	GMII_LED2_LINK_1000	BIT(10) +	#define	LED0_ACTIVE		BIT(0) +	#define	LED0_LINK_10		BIT(1) +	#define	LED0_LINK_100		BIT(2) +	#define	LED0_LINK_1000		BIT(3) +	#define	LED0_FD			BIT(4) +	#define	LED0_USB3_MASK		0x001f +	#define	LED1_ACTIVE		BIT(5) +	#define	LED1_LINK_10		BIT(6) +	#define	LED1_LINK_100		BIT(7) +	#define	LED1_LINK_1000		BIT(8) +	#define	LED1_FD			BIT(9) +	#define	LED1_USB3_MASK		0x03e0 +	#define	LED2_ACTIVE		BIT(10) +	#define	LED2_LINK_1000		BIT(13) +	#define	LED2_LINK_100		BIT(12) +	#define	LED2_LINK_10		BIT(11) +	#define	LED2_FD			BIT(14) +	#define	LED_VALID		BIT(15) +	#define	LED2_USB3_MASK		0x7c00 + +#define GMII_PHYPAGE				0x1e +#define GMII_PHY_PAGE_SELECT			0x1f +	#define GMII_PHY_PGSEL_EXT	0x0007 +	#define GMII_PHY_PGSEL_PAGE0	0x0000 + +struct ax88179_data { +	u16 rxctl; +	u16 reserved; +}; + +struct ax88179_int_data { +	__le32 intdata1; +	__le32 intdata2; +}; + +static const struct { +	unsigned char ctrl, timer_l, timer_h, size, ifg; +} AX88179_BULKIN_SIZE[] =	{ +	{7, 0x4f, 0,	0x12, 0xff}, +	{7, 0x20, 3,	0x16, 0xff}, +	{7, 0xae, 7,	0x18, 0xff}, +	{7, 0xcc, 0x4c, 0x18, 8}, +}; + +static int __ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, +			      u16 size, void *data, int in_pm) +{ +	int ret; +	int (*fn)(struct usbnet *, u8, u8, u16, u16, void *, u16); + +	BUG_ON(!dev); + +	if (!in_pm) +		fn = usbnet_read_cmd; +	else +		fn = usbnet_read_cmd_nopm; + +	ret = fn(dev, cmd, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, +		 value, index, data, size); + +	if (unlikely(ret < 0)) +		netdev_warn(dev->net, "Failed to read reg index 0x%04x: %d\n", +			    index, ret); + +	return ret; +} + +static int __ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, +			       u16 size, void *data, int in_pm) +{ +	int ret; +	int (*fn)(struct usbnet *, u8, u8, u16, u16, const void *, u16); + +	BUG_ON(!dev); + +	if (!in_pm) +		fn = usbnet_write_cmd; +	else +		fn = usbnet_write_cmd_nopm; + +	ret = fn(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, +		 value, index, data, size); + +	if (unlikely(ret < 0)) +		netdev_warn(dev->net, "Failed to write reg index 0x%04x: %d\n", +			    index, ret); + +	return ret; +} + +static void ax88179_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, +				    u16 index, u16 size, void *data) +{ +	u16 buf; + +	if (2 == size) { +		buf = *((u16 *)data); +		cpu_to_le16s(&buf); +		usbnet_write_cmd_async(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR | +				       USB_RECIP_DEVICE, value, index, &buf, +				       size); +	} else { +		usbnet_write_cmd_async(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR | +				       USB_RECIP_DEVICE, value, index, data, +				       size); +	} +} + +static int ax88179_read_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value, +				 u16 index, u16 size, void *data) +{ +	int ret; + +	if (2 == size) { +		u16 buf; +		ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 1); +		le16_to_cpus(&buf); +		*((u16 *)data) = buf; +	} else if (4 == size) { +		u32 buf; +		ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 1); +		le32_to_cpus(&buf); +		*((u32 *)data) = buf; +	} else { +		ret = __ax88179_read_cmd(dev, cmd, value, index, size, data, 1); +	} + +	return ret; +} + +static int ax88179_write_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value, +				  u16 index, u16 size, void *data) +{ +	int ret; + +	if (2 == size) { +		u16 buf; +		buf = *((u16 *)data); +		cpu_to_le16s(&buf); +		ret = __ax88179_write_cmd(dev, cmd, value, index, +					  size, &buf, 1); +	} else { +		ret = __ax88179_write_cmd(dev, cmd, value, index, +					  size, data, 1); +	} + +	return ret; +} + +static int ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, +			    u16 size, void *data) +{ +	int ret; + +	if (2 == size) { +		u16 buf; +		ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 0); +		le16_to_cpus(&buf); +		*((u16 *)data) = buf; +	} else if (4 == size) { +		u32 buf; +		ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 0); +		le32_to_cpus(&buf); +		*((u32 *)data) = buf; +	} else { +		ret = __ax88179_read_cmd(dev, cmd, value, index, size, data, 0); +	} + +	return ret; +} + +static int ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, +			     u16 size, void *data) +{ +	int ret; + +	if (2 == size) { +		u16 buf; +		buf = *((u16 *)data); +		cpu_to_le16s(&buf); +		ret = __ax88179_write_cmd(dev, cmd, value, index, +					  size, &buf, 0); +	} else { +		ret = __ax88179_write_cmd(dev, cmd, value, index, +					  size, data, 0); +	} + +	return ret; +} + +static void ax88179_status(struct usbnet *dev, struct urb *urb) +{ +	struct ax88179_int_data *event; +	u32 link; + +	if (urb->actual_length < 8) +		return; + +	event = urb->transfer_buffer; +	le32_to_cpus((void *)&event->intdata1); + +	link = (((__force u32)event->intdata1) & AX_INT_PPLS_LINK) >> 16; + +	if (netif_carrier_ok(dev->net) != link) { +		if (link) +			usbnet_defer_kevent(dev, EVENT_LINK_RESET); +		else +			netif_carrier_off(dev->net); + +		netdev_info(dev->net, "ax88179 - Link status is: %d\n", link); +	} +} + +static int ax88179_mdio_read(struct net_device *netdev, int phy_id, int loc) +{ +	struct usbnet *dev = netdev_priv(netdev); +	u16 res; + +	ax88179_read_cmd(dev, AX_ACCESS_PHY, phy_id, (__u16)loc, 2, &res); +	return res; +} + +static void ax88179_mdio_write(struct net_device *netdev, int phy_id, int loc, +			       int val) +{ +	struct usbnet *dev = netdev_priv(netdev); +	u16 res = (u16) val; + +	ax88179_write_cmd(dev, AX_ACCESS_PHY, phy_id, (__u16)loc, 2, &res); +} + +static int ax88179_suspend(struct usb_interface *intf, pm_message_t message) +{ +	struct usbnet *dev = usb_get_intfdata(intf); +	u16 tmp16; +	u8 tmp8; + +	usbnet_suspend(intf, message); + +	/* Disable RX path */ +	ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE, +			      2, 2, &tmp16); +	tmp16 &= ~AX_MEDIUM_RECEIVE_EN; +	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE, +			       2, 2, &tmp16); + +	/* Force bulk-in zero length */ +	ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, +			      2, 2, &tmp16); + +	tmp16 |= AX_PHYPWR_RSTCTL_BZ | AX_PHYPWR_RSTCTL_IPRL; +	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, +			       2, 2, &tmp16); + +	/* change clock */ +	tmp8 = 0; +	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8); + +	/* Configure RX control register => stop operation */ +	tmp16 = AX_RX_CTL_STOP; +	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16); + +	return 0; +} + +/* This function is used to enable the autodetach function. */ +/* This function is determined by offset 0x43 of EEPROM */ +static int ax88179_auto_detach(struct usbnet *dev, int in_pm) +{ +	u16 tmp16; +	u8 tmp8; +	int (*fnr)(struct usbnet *, u8, u16, u16, u16, void *); +	int (*fnw)(struct usbnet *, u8, u16, u16, u16, void *); + +	if (!in_pm) { +		fnr = ax88179_read_cmd; +		fnw = ax88179_write_cmd; +	} else { +		fnr = ax88179_read_cmd_nopm; +		fnw = ax88179_write_cmd_nopm; +	} + +	if (fnr(dev, AX_ACCESS_EEPROM, 0x43, 1, 2, &tmp16) < 0) +		return 0; + +	if ((tmp16 == 0xFFFF) || (!(tmp16 & 0x0100))) +		return 0; + +	/* Enable Auto Detach bit */ +	tmp8 = 0; +	fnr(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8); +	tmp8 |= AX_CLK_SELECT_ULR; +	fnw(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8); + +	fnr(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16); +	tmp16 |= AX_PHYPWR_RSTCTL_AT; +	fnw(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16); + +	return 0; +} + +static int ax88179_resume(struct usb_interface *intf) +{ +	struct usbnet *dev = usb_get_intfdata(intf); +	u16 tmp16; +	u8 tmp8; + +	netif_carrier_off(dev->net); + +	/* Power up ethernet PHY */ +	tmp16 = 0; +	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, +			       2, 2, &tmp16); +	udelay(1000); + +	tmp16 = AX_PHYPWR_RSTCTL_IPRL; +	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, +			       2, 2, &tmp16); +	msleep(200); + +	/* Ethernet PHY Auto Detach*/ +	ax88179_auto_detach(dev, 1); + +	/* Enable clock */ +	ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC,  AX_CLK_SELECT, 1, 1, &tmp8); +	tmp8 |= AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS; +	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8); +	msleep(100); + +	/* Configure RX control register => start operation */ +	tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START | +		AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB; +	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16); + +	return usbnet_resume(intf); +} + +static void +ax88179_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) +{ +	struct usbnet *dev = netdev_priv(net); +	u8 opt; + +	if (ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, +			     1, 1, &opt) < 0) { +		wolinfo->supported = 0; +		wolinfo->wolopts = 0; +		return; +	} + +	wolinfo->supported = WAKE_PHY | WAKE_MAGIC; +	wolinfo->wolopts = 0; +	if (opt & AX_MONITOR_MODE_RWLC) +		wolinfo->wolopts |= WAKE_PHY; +	if (opt & AX_MONITOR_MODE_RWMP) +		wolinfo->wolopts |= WAKE_MAGIC; +} + +static int +ax88179_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) +{ +	struct usbnet *dev = netdev_priv(net); +	u8 opt = 0; + +	if (wolinfo->wolopts & WAKE_PHY) +		opt |= AX_MONITOR_MODE_RWLC; +	if (wolinfo->wolopts & WAKE_MAGIC) +		opt |= AX_MONITOR_MODE_RWMP; + +	if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, +			      1, 1, &opt) < 0) +		return -EINVAL; + +	return 0; +} + +static int ax88179_get_eeprom_len(struct net_device *net) +{ +	return AX_EEPROM_LEN; +} + +static int +ax88179_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom, +		   u8 *data) +{ +	struct usbnet *dev = netdev_priv(net); +	u16 *eeprom_buff; +	int first_word, last_word; +	int i, ret; + +	if (eeprom->len == 0) +		return -EINVAL; + +	eeprom->magic = AX88179_EEPROM_MAGIC; + +	first_word = eeprom->offset >> 1; +	last_word = (eeprom->offset + eeprom->len - 1) >> 1; +	eeprom_buff = kmalloc(sizeof(u16) * (last_word - first_word + 1), +			      GFP_KERNEL); +	if (!eeprom_buff) +		return -ENOMEM; + +	/* ax88179/178A returns 2 bytes from eeprom on read */ +	for (i = first_word; i <= last_word; i++) { +		ret = __ax88179_read_cmd(dev, AX_ACCESS_EEPROM, i, 1, 2, +					 &eeprom_buff[i - first_word], +					 0); +		if (ret < 0) { +			kfree(eeprom_buff); +			return -EIO; +		} +	} + +	memcpy(data, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len); +	kfree(eeprom_buff); +	return 0; +} + +static int ax88179_get_settings(struct net_device *net, struct ethtool_cmd *cmd) +{ +	struct usbnet *dev = netdev_priv(net); +	return mii_ethtool_gset(&dev->mii, cmd); +} + +static int ax88179_set_settings(struct net_device *net, struct ethtool_cmd *cmd) +{ +	struct usbnet *dev = netdev_priv(net); +	return mii_ethtool_sset(&dev->mii, cmd); +} + + +static int ax88179_ioctl(struct net_device *net, struct ifreq *rq, int cmd) +{ +	struct usbnet *dev = netdev_priv(net); +	return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL); +} + +static const struct ethtool_ops ax88179_ethtool_ops = { +	.get_link		= ethtool_op_get_link, +	.get_msglevel		= usbnet_get_msglevel, +	.set_msglevel		= usbnet_set_msglevel, +	.get_wol		= ax88179_get_wol, +	.set_wol		= ax88179_set_wol, +	.get_eeprom_len		= ax88179_get_eeprom_len, +	.get_eeprom		= ax88179_get_eeprom, +	.get_settings		= ax88179_get_settings, +	.set_settings		= ax88179_set_settings, +	.nway_reset		= usbnet_nway_reset, +}; + +static void ax88179_set_multicast(struct net_device *net) +{ +	struct usbnet *dev = netdev_priv(net); +	struct ax88179_data *data = (struct ax88179_data *)dev->data; +	u8 *m_filter = ((u8 *)dev->data) + 12; + +	data->rxctl = (AX_RX_CTL_START | AX_RX_CTL_AB | AX_RX_CTL_IPE); + +	if (net->flags & IFF_PROMISC) { +		data->rxctl |= AX_RX_CTL_PRO; +	} else if (net->flags & IFF_ALLMULTI || +		   netdev_mc_count(net) > AX_MAX_MCAST) { +		data->rxctl |= AX_RX_CTL_AMALL; +	} else if (netdev_mc_empty(net)) { +		/* just broadcast and directed */ +	} else { +		/* We use the 20 byte dev->data for our 8 byte filter buffer +		 * to avoid allocating memory that is tricky to free later +		 */ +		u32 crc_bits; +		struct netdev_hw_addr *ha; + +		memset(m_filter, 0, AX_MCAST_FLTSIZE); + +		netdev_for_each_mc_addr(ha, net) { +			crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26; +			*(m_filter + (crc_bits >> 3)) |= (1 << (crc_bits & 7)); +		} + +		ax88179_write_cmd_async(dev, AX_ACCESS_MAC, AX_MULFLTARY, +					AX_MCAST_FLTSIZE, AX_MCAST_FLTSIZE, +					m_filter); + +		data->rxctl |= AX_RX_CTL_AM; +	} + +	ax88179_write_cmd_async(dev, AX_ACCESS_MAC, AX_RX_CTL, +				2, 2, &data->rxctl); +} + +static int +ax88179_set_features(struct net_device *net, netdev_features_t features) +{ +	u8 tmp; +	struct usbnet *dev = netdev_priv(net); +	netdev_features_t changed = net->features ^ features; + +	if (changed & NETIF_F_IP_CSUM) { +		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp); +		tmp ^= AX_TXCOE_TCP | AX_TXCOE_UDP; +		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp); +	} + +	if (changed & NETIF_F_IPV6_CSUM) { +		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp); +		tmp ^= AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6; +		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp); +	} + +	if (changed & NETIF_F_RXCSUM) { +		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, &tmp); +		tmp ^= AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP | +		       AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6; +		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, &tmp); +	} + +	return 0; +} + +static int ax88179_change_mtu(struct net_device *net, int new_mtu) +{ +	struct usbnet *dev = netdev_priv(net); +	u16 tmp16; + +	if (new_mtu <= 0 || new_mtu > 4088) +		return -EINVAL; + +	net->mtu = new_mtu; +	dev->hard_mtu = net->mtu + net->hard_header_len; + +	if (net->mtu > 1500) { +		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE, +				 2, 2, &tmp16); +		tmp16 |= AX_MEDIUM_JUMBO_EN; +		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE, +				  2, 2, &tmp16); +	} else { +		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE, +				 2, 2, &tmp16); +		tmp16 &= ~AX_MEDIUM_JUMBO_EN; +		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE, +				  2, 2, &tmp16); +	} + +	return 0; +} + +static int ax88179_set_mac_addr(struct net_device *net, void *p) +{ +	struct usbnet *dev = netdev_priv(net); +	struct sockaddr *addr = p; + +	if (netif_running(net)) +		return -EBUSY; +	if (!is_valid_ether_addr(addr->sa_data)) +		return -EADDRNOTAVAIL; + +	memcpy(net->dev_addr, addr->sa_data, ETH_ALEN); + +	/* Set the MAC address */ +	return ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN, +				 ETH_ALEN, net->dev_addr); +} + +static const struct net_device_ops ax88179_netdev_ops = { +	.ndo_open		= usbnet_open, +	.ndo_stop		= usbnet_stop, +	.ndo_start_xmit		= usbnet_start_xmit, +	.ndo_tx_timeout		= usbnet_tx_timeout, +	.ndo_change_mtu		= ax88179_change_mtu, +	.ndo_set_mac_address	= ax88179_set_mac_addr, +	.ndo_validate_addr	= eth_validate_addr, +	.ndo_do_ioctl		= ax88179_ioctl, +	.ndo_set_rx_mode	= ax88179_set_multicast, +	.ndo_set_features	= ax88179_set_features, +}; + +static int ax88179_check_eeprom(struct usbnet *dev) +{ +	u8 i, buf, eeprom[20]; +	u16 csum, delay = HZ / 10; +	unsigned long jtimeout; + +	/* Read EEPROM content */ +	for (i = 0; i < 6; i++) { +		buf = i; +		if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_ADDR, +				      1, 1, &buf) < 0) +			return -EINVAL; + +		buf = EEP_RD; +		if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD, +				      1, 1, &buf) < 0) +			return -EINVAL; + +		jtimeout = jiffies + delay; +		do { +			ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD, +					 1, 1, &buf); + +			if (time_after(jiffies, jtimeout)) +				return -EINVAL; + +		} while (buf & EEP_BUSY); + +		__ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_LOW, +				   2, 2, &eeprom[i * 2], 0); + +		if ((i == 0) && (eeprom[0] == 0xFF)) +			return -EINVAL; +	} + +	csum = eeprom[6] + eeprom[7] + eeprom[8] + eeprom[9]; +	csum = (csum >> 8) + (csum & 0xff); +	if ((csum + eeprom[10]) != 0xff) +		return -EINVAL; + +	return 0; +} + +static int ax88179_check_efuse(struct usbnet *dev, u16 *ledmode) +{ +	u8	i; +	u8	efuse[64]; +	u16	csum = 0; + +	if (ax88179_read_cmd(dev, AX_ACCESS_EFUS, 0, 64, 64, efuse) < 0) +		return -EINVAL; + +	if (*efuse == 0xFF) +		return -EINVAL; + +	for (i = 0; i < 64; i++) +		csum = csum + efuse[i]; + +	while (csum > 255) +		csum = (csum & 0x00FF) + ((csum >> 8) & 0x00FF); + +	if (csum != 0xFF) +		return -EINVAL; + +	*ledmode = (efuse[51] << 8) | efuse[52]; + +	return 0; +} + +static int ax88179_convert_old_led(struct usbnet *dev, u16 *ledvalue) +{ +	u16 led; + +	/* Loaded the old eFuse LED Mode */ +	if (ax88179_read_cmd(dev, AX_ACCESS_EEPROM, 0x3C, 1, 2, &led) < 0) +		return -EINVAL; + +	led >>= 8; +	switch (led) { +	case 0xFF: +		led = LED0_ACTIVE | LED1_LINK_10 | LED1_LINK_100 | +		      LED1_LINK_1000 | LED2_ACTIVE | LED2_LINK_10 | +		      LED2_LINK_100 | LED2_LINK_1000 | LED_VALID; +		break; +	case 0xFE: +		led = LED0_ACTIVE | LED1_LINK_1000 | LED2_LINK_100 | LED_VALID; +		break; +	case 0xFD: +		led = LED0_ACTIVE | LED1_LINK_1000 | LED2_LINK_100 | +		      LED2_LINK_10 | LED_VALID; +		break; +	case 0xFC: +		led = LED0_ACTIVE | LED1_ACTIVE | LED1_LINK_1000 | LED2_ACTIVE | +		      LED2_LINK_100 | LED2_LINK_10 | LED_VALID; +		break; +	default: +		led = LED0_ACTIVE | LED1_LINK_10 | LED1_LINK_100 | +		      LED1_LINK_1000 | LED2_ACTIVE | LED2_LINK_10 | +		      LED2_LINK_100 | LED2_LINK_1000 | LED_VALID; +		break; +	} + +	*ledvalue = led; + +	return 0; +} + +static int ax88179_led_setting(struct usbnet *dev) +{ +	u8 ledfd, value = 0; +	u16 tmp, ledact, ledlink, ledvalue = 0, delay = HZ / 10; +	unsigned long jtimeout; + +	/* Check AX88179 version. UA1 or UA2*/ +	ax88179_read_cmd(dev, AX_ACCESS_MAC, GENERAL_STATUS, 1, 1, &value); + +	if (!(value & AX_SECLD)) {	/* UA1 */ +		value = AX_GPIO_CTRL_GPIO3EN | AX_GPIO_CTRL_GPIO2EN | +			AX_GPIO_CTRL_GPIO1EN; +		if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_GPIO_CTRL, +				      1, 1, &value) < 0) +			return -EINVAL; +	} + +	/* Check EEPROM */ +	if (!ax88179_check_eeprom(dev)) { +		value = 0x42; +		if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_ADDR, +				      1, 1, &value) < 0) +			return -EINVAL; + +		value = EEP_RD; +		if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD, +				      1, 1, &value) < 0) +			return -EINVAL; + +		jtimeout = jiffies + delay; +		do { +			ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD, +					 1, 1, &value); + +			if (time_after(jiffies, jtimeout)) +				return -EINVAL; + +		} while (value & EEP_BUSY); + +		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_HIGH, +				 1, 1, &value); +		ledvalue = (value << 8); + +		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_LOW, +				 1, 1, &value); +		ledvalue |= value; + +		/* load internal ROM for defaule setting */ +		if ((ledvalue == 0xFFFF) || ((ledvalue & LED_VALID) == 0)) +			ax88179_convert_old_led(dev, &ledvalue); + +	} else if (!ax88179_check_efuse(dev, &ledvalue)) { +		if ((ledvalue == 0xFFFF) || ((ledvalue & LED_VALID) == 0)) +			ax88179_convert_old_led(dev, &ledvalue); +	} else { +		ax88179_convert_old_led(dev, &ledvalue); +	} + +	tmp = GMII_PHY_PGSEL_EXT; +	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID, +			  GMII_PHY_PAGE_SELECT, 2, &tmp); + +	tmp = 0x2c; +	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID, +			  GMII_PHYPAGE, 2, &tmp); + +	ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID, +			 GMII_LED_ACT, 2, &ledact); + +	ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID, +			 GMII_LED_LINK, 2, &ledlink); + +	ledact &= GMII_LED_ACTIVE_MASK; +	ledlink &= GMII_LED_LINK_MASK; + +	if (ledvalue & LED0_ACTIVE) +		ledact |= GMII_LED0_ACTIVE; + +	if (ledvalue & LED1_ACTIVE) +		ledact |= GMII_LED1_ACTIVE; + +	if (ledvalue & LED2_ACTIVE) +		ledact |= GMII_LED2_ACTIVE; + +	if (ledvalue & LED0_LINK_10) +		ledlink |= GMII_LED0_LINK_10; + +	if (ledvalue & LED1_LINK_10) +		ledlink |= GMII_LED1_LINK_10; + +	if (ledvalue & LED2_LINK_10) +		ledlink |= GMII_LED2_LINK_10; + +	if (ledvalue & LED0_LINK_100) +		ledlink |= GMII_LED0_LINK_100; + +	if (ledvalue & LED1_LINK_100) +		ledlink |= GMII_LED1_LINK_100; + +	if (ledvalue & LED2_LINK_100) +		ledlink |= GMII_LED2_LINK_100; + +	if (ledvalue & LED0_LINK_1000) +		ledlink |= GMII_LED0_LINK_1000; + +	if (ledvalue & LED1_LINK_1000) +		ledlink |= GMII_LED1_LINK_1000; + +	if (ledvalue & LED2_LINK_1000) +		ledlink |= GMII_LED2_LINK_1000; + +	tmp = ledact; +	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID, +			  GMII_LED_ACT, 2, &tmp); + +	tmp = ledlink; +	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID, +			  GMII_LED_LINK, 2, &tmp); + +	tmp = GMII_PHY_PGSEL_PAGE0; +	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID, +			  GMII_PHY_PAGE_SELECT, 2, &tmp); + +	/* LED full duplex setting */ +	ledfd = 0; +	if (ledvalue & LED0_FD) +		ledfd |= 0x01; +	else if ((ledvalue & LED0_USB3_MASK) == 0) +		ledfd |= 0x02; + +	if (ledvalue & LED1_FD) +		ledfd |= 0x04; +	else if ((ledvalue & LED1_USB3_MASK) == 0) +		ledfd |= 0x08; + +	if (ledvalue & LED2_FD) +		ledfd |= 0x10; +	else if ((ledvalue & LED2_USB3_MASK) == 0) +		ledfd |= 0x20; + +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_LEDCTRL, 1, 1, &ledfd); + +	return 0; +} + +static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf) +{ +	u8 buf[5]; +	u16 *tmp16; +	u8 *tmp; +	struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data; + +	usbnet_get_endpoints(dev, intf); + +	tmp16 = (u16 *)buf; +	tmp = (u8 *)buf; + +	memset(ax179_data, 0, sizeof(*ax179_data)); + +	/* Power up ethernet PHY */ +	*tmp16 = 0; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16); +	*tmp16 = AX_PHYPWR_RSTCTL_IPRL; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16); +	msleep(200); + +	*tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp); +	msleep(100); + +	ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN, +			 ETH_ALEN, dev->net->dev_addr); +	memcpy(dev->net->perm_addr, dev->net->dev_addr, ETH_ALEN); + +	/* RX bulk configuration */ +	memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5); +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp); + +	dev->rx_urb_size = 1024 * 20; + +	*tmp = 0x34; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, 1, 1, tmp); + +	*tmp = 0x52; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH, +			  1, 1, tmp); + +	dev->net->netdev_ops = &ax88179_netdev_ops; +	dev->net->ethtool_ops = &ax88179_ethtool_ops; +	dev->net->needed_headroom = 8; + +	/* Initialize MII structure */ +	dev->mii.dev = dev->net; +	dev->mii.mdio_read = ax88179_mdio_read; +	dev->mii.mdio_write = ax88179_mdio_write; +	dev->mii.phy_id_mask = 0xff; +	dev->mii.reg_num_mask = 0xff; +	dev->mii.phy_id = 0x03; +	dev->mii.supports_gmii = 1; + +	dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | +			      NETIF_F_RXCSUM | NETIF_F_SG | NETIF_F_TSO; + +	dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | +				 NETIF_F_RXCSUM | NETIF_F_SG | NETIF_F_TSO; + +	/* Enable checksum offload */ +	*tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP | +	       AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, tmp); + +	*tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP | +	       AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, tmp); + +	/* Configure RX control register => start operation */ +	*tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START | +		 AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16); + +	*tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL | +	       AX_MONITOR_MODE_RWMP; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, 1, 1, tmp); + +	/* Configure default medium type => giga */ +	*tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN | +		 AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_ALWAYS_ONE | +		 AX_MEDIUM_FULL_DUPLEX | AX_MEDIUM_GIGAMODE; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE, +			  2, 2, tmp16); + +	ax88179_led_setting(dev); + +	/* Restart autoneg */ +	mii_nway_restart(&dev->mii); + +	netif_carrier_off(dev->net); + +	return 0; +} + +static void ax88179_unbind(struct usbnet *dev, struct usb_interface *intf) +{ +	u16 tmp16; + +	/* Configure RX control register => stop operation */ +	tmp16 = AX_RX_CTL_STOP; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16); + +	tmp16 = 0; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp16); + +	/* Power down ethernet PHY */ +	tmp16 = 0; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16); +} + +static void +ax88179_rx_checksum(struct sk_buff *skb, u32 *pkt_hdr) +{ +	skb->ip_summed = CHECKSUM_NONE; + +	/* checksum error bit is set */ +	if ((*pkt_hdr & AX_RXHDR_L3CSUM_ERR) || +	    (*pkt_hdr & AX_RXHDR_L4CSUM_ERR)) +		return; + +	/* It must be a TCP or UDP packet with a valid checksum */ +	if (((*pkt_hdr & AX_RXHDR_L4_TYPE_MASK) == AX_RXHDR_L4_TYPE_TCP) || +	    ((*pkt_hdr & AX_RXHDR_L4_TYPE_MASK) == AX_RXHDR_L4_TYPE_UDP)) +		skb->ip_summed = CHECKSUM_UNNECESSARY; +} + +static int ax88179_rx_fixup(struct usbnet *dev, struct sk_buff *skb) +{ +	struct sk_buff *ax_skb; +	int pkt_cnt; +	u32 rx_hdr; +	u16 hdr_off; +	u32 *pkt_hdr; + +	skb_trim(skb, skb->len - 4); +	memcpy(&rx_hdr, skb_tail_pointer(skb), 4); +	le32_to_cpus(&rx_hdr); + +	pkt_cnt = (u16)rx_hdr; +	hdr_off = (u16)(rx_hdr >> 16); +	pkt_hdr = (u32 *)(skb->data + hdr_off); + +	while (pkt_cnt--) { +		u16 pkt_len; + +		le32_to_cpus(pkt_hdr); +		pkt_len = (*pkt_hdr >> 16) & 0x1fff; + +		/* Check CRC or runt packet */ +		if ((*pkt_hdr & AX_RXHDR_CRC_ERR) || +		    (*pkt_hdr & AX_RXHDR_DROP_ERR)) { +			skb_pull(skb, (pkt_len + 7) & 0xFFF8); +			pkt_hdr++; +			continue; +		} + +		if (pkt_cnt == 0) { +			/* Skip IP alignment psudo header */ +			skb_pull(skb, 2); +			skb->len = pkt_len; +			skb_set_tail_pointer(skb, pkt_len); +			skb->truesize = pkt_len + sizeof(struct sk_buff); +			ax88179_rx_checksum(skb, pkt_hdr); +			return 1; +		} + +		ax_skb = skb_clone(skb, GFP_ATOMIC); +		if (ax_skb) { +			ax_skb->len = pkt_len; +			ax_skb->data = skb->data + 2; +			skb_set_tail_pointer(ax_skb, pkt_len); +			ax_skb->truesize = pkt_len + sizeof(struct sk_buff); +			ax88179_rx_checksum(ax_skb, pkt_hdr); +			usbnet_skb_return(dev, ax_skb); +		} else { +			return 0; +		} + +		skb_pull(skb, (pkt_len + 7) & 0xFFF8); +		pkt_hdr++; +	} +	return 1; +} + +static struct sk_buff * +ax88179_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags) +{ +	u32 tx_hdr1, tx_hdr2; +	int frame_size = dev->maxpacket; +	int mss = skb_shinfo(skb)->gso_size; +	int headroom; +	int tailroom; + +	tx_hdr1 = skb->len; +	tx_hdr2 = mss; +	if (((skb->len + 8) % frame_size) == 0) +		tx_hdr2 |= 0x80008000;	/* Enable padding */ + +	skb_linearize(skb); +	headroom = skb_headroom(skb); +	tailroom = skb_tailroom(skb); + +	if (!skb_header_cloned(skb) && +	    !skb_cloned(skb) && +	    (headroom + tailroom) >= 8) { +		if (headroom < 8) { +			skb->data = memmove(skb->head + 8, skb->data, skb->len); +			skb_set_tail_pointer(skb, skb->len); +		} +	} else { +		struct sk_buff *skb2; + +		skb2 = skb_copy_expand(skb, 8, 0, flags); +		dev_kfree_skb_any(skb); +		skb = skb2; +		if (!skb) +			return NULL; +	} + +	skb_push(skb, 4); +	cpu_to_le32s(&tx_hdr2); +	skb_copy_to_linear_data(skb, &tx_hdr2, 4); + +	skb_push(skb, 4); +	cpu_to_le32s(&tx_hdr1); +	skb_copy_to_linear_data(skb, &tx_hdr1, 4); + +	return skb; +} + +static int ax88179_link_reset(struct usbnet *dev) +{ +	struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data; +	u8 tmp[5], link_sts; +	u16 mode, tmp16, delay = HZ / 10; +	u32 tmp32 = 0x40000000; +	unsigned long jtimeout; + +	jtimeout = jiffies + delay; +	while (tmp32 & 0x40000000) { +		mode = 0; +		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &mode); +		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, +				  &ax179_data->rxctl); + +		/*link up, check the usb device control TX FIFO full or empty*/ +		ax88179_read_cmd(dev, 0x81, 0x8c, 0, 4, &tmp32); + +		if (time_after(jiffies, jtimeout)) +			return 0; +	} + +	mode = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN | +	       AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_ALWAYS_ONE; + +	ax88179_read_cmd(dev, AX_ACCESS_MAC, PHYSICAL_LINK_STATUS, +			 1, 1, &link_sts); + +	ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID, +			 GMII_PHY_PHYSR, 2, &tmp16); + +	if (!(tmp16 & GMII_PHY_PHYSR_LINK)) { +		return 0; +	} else if (GMII_PHY_PHYSR_GIGA == (tmp16 & GMII_PHY_PHYSR_SMASK)) { +		mode |= AX_MEDIUM_GIGAMODE | AX_MEDIUM_EN_125MHZ; +		if (dev->net->mtu > 1500) +			mode |= AX_MEDIUM_JUMBO_EN; + +		if (link_sts & AX_USB_SS) +			memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5); +		else if (link_sts & AX_USB_HS) +			memcpy(tmp, &AX88179_BULKIN_SIZE[1], 5); +		else +			memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5); +	} else if (GMII_PHY_PHYSR_100 == (tmp16 & GMII_PHY_PHYSR_SMASK)) { +		mode |= AX_MEDIUM_PS; + +		if (link_sts & (AX_USB_SS | AX_USB_HS)) +			memcpy(tmp, &AX88179_BULKIN_SIZE[2], 5); +		else +			memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5); +	} else { +		memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5); +	} + +	/* RX bulk configuration */ +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp); + +	dev->rx_urb_size = (1024 * (tmp[3] + 2)); + +	if (tmp16 & GMII_PHY_PHYSR_FULL) +		mode |= AX_MEDIUM_FULL_DUPLEX; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE, +			  2, 2, &mode); + +	netif_carrier_on(dev->net); + +	return 0; +} + +static int ax88179_reset(struct usbnet *dev) +{ +	u8 buf[5]; +	u16 *tmp16; +	u8 *tmp; + +	tmp16 = (u16 *)buf; +	tmp = (u8 *)buf; + +	/* Power up ethernet PHY */ +	*tmp16 = 0; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16); + +	*tmp16 = AX_PHYPWR_RSTCTL_IPRL; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16); +	msleep(200); + +	*tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp); +	msleep(100); + +	/* Ethernet PHY Auto Detach*/ +	ax88179_auto_detach(dev, 0); + +	ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN, ETH_ALEN, +			 dev->net->dev_addr); +	memcpy(dev->net->perm_addr, dev->net->dev_addr, ETH_ALEN); + +	/* RX bulk configuration */ +	memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5); +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp); + +	dev->rx_urb_size = 1024 * 20; + +	*tmp = 0x34; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, 1, 1, tmp); + +	*tmp = 0x52; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH, +			  1, 1, tmp); + +	dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | +			      NETIF_F_RXCSUM | NETIF_F_SG | NETIF_F_TSO; + +	dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | +				 NETIF_F_RXCSUM | NETIF_F_SG | NETIF_F_TSO; + +	/* Enable checksum offload */ +	*tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP | +	       AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, tmp); + +	*tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP | +	       AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, tmp); + +	/* Configure RX control register => start operation */ +	*tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START | +		 AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16); + +	*tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL | +	       AX_MONITOR_MODE_RWMP; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, 1, 1, tmp); + +	/* Configure default medium type => giga */ +	*tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN | +		 AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_ALWAYS_ONE | +		 AX_MEDIUM_FULL_DUPLEX | AX_MEDIUM_GIGAMODE; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE, +			  2, 2, tmp16); + +	ax88179_led_setting(dev); + +	/* Restart autoneg */ +	mii_nway_restart(&dev->mii); + +	netif_carrier_off(dev->net); + +	return 0; +} + +static int ax88179_stop(struct usbnet *dev) +{ +	u16 tmp16; + +	ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE, +			 2, 2, &tmp16); +	tmp16 &= ~AX_MEDIUM_RECEIVE_EN; +	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE, +			  2, 2, &tmp16); + +	return 0; +} + +static const struct driver_info ax88179_info = { +	.description = "ASIX AX88179 USB 3.0 Gigibit Ethernet", +	.bind = ax88179_bind, +	.unbind = ax88179_unbind, +	.status = ax88179_status, +	.link_reset = ax88179_link_reset, +	.reset = ax88179_reset, +	.stop = ax88179_stop, +	.flags = FLAG_ETHER | FLAG_FRAMING_AX, +	.rx_fixup = ax88179_rx_fixup, +	.tx_fixup = ax88179_tx_fixup, +}; + +static const struct driver_info ax88178a_info = { +	.description = "ASIX AX88178A USB 2.0 Gigibit Ethernet", +	.bind = ax88179_bind, +	.unbind = ax88179_unbind, +	.status = ax88179_status, +	.link_reset = ax88179_link_reset, +	.reset = ax88179_reset, +	.stop = ax88179_stop, +	.flags = FLAG_ETHER | FLAG_FRAMING_AX, +	.rx_fixup = ax88179_rx_fixup, +	.tx_fixup = ax88179_tx_fixup, +}; + +static const struct driver_info sitecom_info = { +	.description = "Sitecom USB 3.0 to Gigabit Adapter", +	.bind = ax88179_bind, +	.unbind = ax88179_unbind, +	.status = ax88179_status, +	.link_reset = ax88179_link_reset, +	.reset = ax88179_reset, +	.stop = ax88179_stop, +	.flags = FLAG_ETHER | FLAG_FRAMING_AX, +	.rx_fixup = ax88179_rx_fixup, +	.tx_fixup = ax88179_tx_fixup, +}; + +static const struct usb_device_id products[] = { +{ +	/* ASIX AX88179 10/100/1000 */ +	USB_DEVICE(0x0b95, 0x1790), +	.driver_info = (unsigned long)&ax88179_info, +}, { +	/* ASIX AX88178A 10/100/1000 */ +	USB_DEVICE(0x0b95, 0x178a), +	.driver_info = (unsigned long)&ax88178a_info, +}, { +	/* Sitecom USB 3.0 to Gigabit Adapter */ +	USB_DEVICE(0x0df6, 0x0072), +	.driver_info = (unsigned long) &sitecom_info, +}, +	{ }, +}; +MODULE_DEVICE_TABLE(usb, products); + +static struct usb_driver ax88179_178a_driver = { +	.name =		"ax88179_178a", +	.id_table =	products, +	.probe =	usbnet_probe, +	.suspend =	ax88179_suspend, +	.resume =	ax88179_resume, +	.disconnect =	usbnet_disconnect, +	.supports_autosuspend = 1, +	.disable_hub_initiated_lpm = 1, +}; + +module_usb_driver(ax88179_178a_driver); + +MODULE_DESCRIPTION("ASIX AX88179/178A based USB 3.0/2.0 Gigabit Ethernet Devices"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 4a8c25a2229..61b74a2b89a 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -1213,6 +1213,14 @@ static const struct usb_device_id cdc_devs[] = {  	  .driver_info = (unsigned long) &wwan_info,  	}, +	/* tag Huawei devices as wwan */ +	{ USB_VENDOR_AND_INTERFACE_INFO(0x12d1, +					USB_CLASS_COMM, +					USB_CDC_SUBCLASS_NCM, +					USB_CDC_PROTO_NONE), +	  .driver_info = (unsigned long)&wwan_info, +	}, +  	/* Huawei NCM devices disguised as vendor specific */  	{ USB_VENDOR_AND_INTERFACE_INFO(0x12d1, 0xff, 0x02, 0x16),  	  .driver_info = (unsigned long)&wwan_info, diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index 4aad350e4da..eae7a03d4f9 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -2958,6 +2958,7 @@ vmxnet3_probe_device(struct pci_dev *pdev,  	adapter->num_rx_queues = num_rx_queues;  	adapter->num_tx_queues = num_tx_queues; +	adapter->rx_buf_per_pkt = 1;  	size = sizeof(struct Vmxnet3_TxQueueDesc) * adapter->num_tx_queues;  	size += sizeof(struct Vmxnet3_RxQueueDesc) * adapter->num_rx_queues; diff --git a/drivers/net/vmxnet3/vmxnet3_ethtool.c b/drivers/net/vmxnet3/vmxnet3_ethtool.c index a0feb17a023..63a124340cb 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethtool.c +++ b/drivers/net/vmxnet3/vmxnet3_ethtool.c @@ -472,6 +472,12 @@ vmxnet3_set_ringparam(struct net_device *netdev,  						VMXNET3_RX_RING_MAX_SIZE)  		return -EINVAL; +	/* if adapter not yet initialized, do nothing */ +	if (adapter->rx_buf_per_pkt == 0) { +		netdev_err(netdev, "adapter not completely initialized, " +			   "ring size cannot be changed yet\n"); +		return -EOPNOTSUPP; +	}  	/* round it up to a multiple of VMXNET3_RING_SIZE_ALIGN */  	new_tx_ring_size = (param->tx_pending + VMXNET3_RING_SIZE_MASK) & diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h index 3198384689d..35418146fa1 100644 --- a/drivers/net/vmxnet3/vmxnet3_int.h +++ b/drivers/net/vmxnet3/vmxnet3_int.h @@ -70,10 +70,10 @@  /*   * Version numbers   */ -#define VMXNET3_DRIVER_VERSION_STRING   "1.1.29.0-k" +#define VMXNET3_DRIVER_VERSION_STRING   "1.1.30.0-k"  /* a 32-bit int, each byte encode a verion number in VMXNET3_DRIVER_VERSION */ -#define VMXNET3_DRIVER_VERSION_NUM      0x01011D00 +#define VMXNET3_DRIVER_VERSION_NUM      0x01011E00  #if defined(CONFIG_PCI_MSI)  	/* RSS only makes sense if MSI-X is supported. */ diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index f10e58ac9c1..7cee7a3068e 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -961,6 +961,8 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev)  	iph->ttl	= ttl ? : ip4_dst_hoplimit(&rt->dst);  	tunnel_ip_select_ident(skb, old_iph, &rt->dst); +	nf_reset(skb); +  	vxlan_set_owner(dev, skb);  	/* See iptunnel_xmit() */ @@ -1504,6 +1506,14 @@ static __net_init int vxlan_init_net(struct net *net)  static __net_exit void vxlan_exit_net(struct net *net)  {  	struct vxlan_net *vn = net_generic(net, vxlan_net_id); +	struct vxlan_dev *vxlan; +	unsigned h; + +	rtnl_lock(); +	for (h = 0; h < VNI_HASH_SIZE; ++h) +		hlist_for_each_entry(vxlan, &vn->vni_list[h], hlist) +			dev_close(vxlan->dev); +	rtnl_unlock();  	if (vn->sock) {  		sk_release_kernel(vn->sock->sk); diff --git a/drivers/net/wireless/ath/ath9k/common.h b/drivers/net/wireless/ath/ath9k/common.h index 5f845beeb18..050ca4a4850 100644 --- a/drivers/net/wireless/ath/ath9k/common.h +++ b/drivers/net/wireless/ath/ath9k/common.h @@ -27,7 +27,7 @@  #define WME_MAX_BA              WME_BA_BMP_SIZE  #define ATH_TID_MAX_BUFS        (2 * WME_MAX_BA) -#define ATH_RSSI_DUMMY_MARKER   0x127 +#define ATH_RSSI_DUMMY_MARKER   127  #define ATH_RSSI_LPF_LEN 		10  #define RSSI_LPF_THRESHOLD		-20  #define ATH_RSSI_EP_MULTIPLIER     (1<<7) diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h index 96bfb18078f..d3b099d7898 100644 --- a/drivers/net/wireless/ath/ath9k/htc.h +++ b/drivers/net/wireless/ath/ath9k/htc.h @@ -22,6 +22,7 @@  #include <linux/firmware.h>  #include <linux/skbuff.h>  #include <linux/netdevice.h> +#include <linux/etherdevice.h>  #include <linux/leds.h>  #include <linux/slab.h>  #include <net/mac80211.h> diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c index 3ad1fd05c5e..bd8251c1c74 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c @@ -1067,15 +1067,19 @@ static bool ath9k_rx_prepare(struct ath9k_htc_priv *priv,  	last_rssi = priv->rx.last_rssi; -	if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER)) -		rxbuf->rxstatus.rs_rssi = ATH_EP_RND(last_rssi, -						     ATH_RSSI_EP_MULTIPLIER); +	if (ieee80211_is_beacon(hdr->frame_control) && +	    !is_zero_ether_addr(common->curbssid) && +	    ether_addr_equal(hdr->addr3, common->curbssid)) { +		s8 rssi = rxbuf->rxstatus.rs_rssi; -	if (rxbuf->rxstatus.rs_rssi < 0) -		rxbuf->rxstatus.rs_rssi = 0; +		if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER)) +			rssi = ATH_EP_RND(last_rssi, ATH_RSSI_EP_MULTIPLIER); -	if (ieee80211_is_beacon(fc)) -		priv->ah->stats.avgbrssi = rxbuf->rxstatus.rs_rssi; +		if (rssi < 0) +			rssi = 0; + +		priv->ah->stats.avgbrssi = rssi; +	}  	rx_status->mactime = be64_to_cpu(rxbuf->rxstatus.rs_tstamp);  	rx_status->band = hw->conf.channel->band; diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 2a2ae403e0e..07e25260c31 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1463,7 +1463,9 @@ static bool ath9k_hw_chip_reset(struct ath_hw *ah,  			reset_type = ATH9K_RESET_POWER_ON;  		else  			reset_type = ATH9K_RESET_COLD; -	} +	} else if (ah->chip_fullsleep || REG_READ(ah, AR_Q_TXE) || +		   (REG_READ(ah, AR_CR) & AR_CR_RXE)) +		reset_type = ATH9K_RESET_COLD;  	if (!ath9k_hw_set_reset_reg(ah, reset_type))  		return false; diff --git a/drivers/net/wireless/iwlwifi/dvm/sta.c b/drivers/net/wireless/iwlwifi/dvm/sta.c index 94ef33838bc..b775769f832 100644 --- a/drivers/net/wireless/iwlwifi/dvm/sta.c +++ b/drivers/net/wireless/iwlwifi/dvm/sta.c @@ -151,7 +151,7 @@ int iwl_send_add_sta(struct iwl_priv *priv,  		       sta_id, sta->sta.addr, flags & CMD_ASYNC ?  "a" : "");  	if (!(flags & CMD_ASYNC)) { -		cmd.flags |= CMD_WANT_SKB | CMD_WANT_HCMD; +		cmd.flags |= CMD_WANT_SKB;  		might_sleep();  	} diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.h b/drivers/net/wireless/iwlwifi/iwl-devtrace.h index 9a0f45ec9e0..81aa91fab5a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-devtrace.h +++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.h @@ -349,25 +349,23 @@ TRACE_EVENT(iwlwifi_dev_rx_data,  TRACE_EVENT(iwlwifi_dev_hcmd,  	TP_PROTO(const struct device *dev,  		 struct iwl_host_cmd *cmd, u16 total_size, -		 const void *hdr, size_t hdr_len), -	TP_ARGS(dev, cmd, total_size, hdr, hdr_len), +		 struct iwl_cmd_header *hdr), +	TP_ARGS(dev, cmd, total_size, hdr),  	TP_STRUCT__entry(  		DEV_ENTRY  		__dynamic_array(u8, hcmd, total_size)  		__field(u32, flags)  	),  	TP_fast_assign( -		int i, offset = hdr_len; +		int i, offset = sizeof(*hdr);  		DEV_ASSIGN;  		__entry->flags = cmd->flags; -		memcpy(__get_dynamic_array(hcmd), hdr, hdr_len); +		memcpy(__get_dynamic_array(hcmd), hdr, sizeof(*hdr)); -		for (i = 0; i < IWL_MAX_CMD_TFDS; i++) { +		for (i = 0; i < IWL_MAX_CMD_TBS_PER_TFD; i++) {  			if (!cmd->len[i])  				continue; -			if (!(cmd->dataflags[i] & IWL_HCMD_DFL_NOCOPY)) -				continue;  			memcpy((u8 *)__get_dynamic_array(hcmd) + offset,  			       cmd->data[i], cmd->len[i]);  			offset += cmd->len[i]; diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c index 6f228bb2b84..fbfd2d13711 100644 --- a/drivers/net/wireless/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/iwlwifi/iwl-drv.c @@ -1102,7 +1102,6 @@ void iwl_drv_stop(struct iwl_drv *drv)  /* shared module parameters */  struct iwl_mod_params iwlwifi_mod_params = { -	.amsdu_size_8K = 1,  	.restart_fw = 1,  	.plcp_check = true,  	.bt_coex_active = true, @@ -1207,7 +1206,7 @@ MODULE_PARM_DESC(11n_disable,  	"disable 11n functionality, bitmap: 1: full, 2: agg TX, 4: agg RX");  module_param_named(amsdu_size_8K, iwlwifi_mod_params.amsdu_size_8K,  		   int, S_IRUGO); -MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size"); +MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size (default 0)");  module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, int, S_IRUGO);  MODULE_PARM_DESC(fw_restart, "restart firmware in case of error"); diff --git a/drivers/net/wireless/iwlwifi/iwl-modparams.h b/drivers/net/wireless/iwlwifi/iwl-modparams.h index e5e3a79eae2..2c2a729092f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-modparams.h +++ b/drivers/net/wireless/iwlwifi/iwl-modparams.h @@ -91,7 +91,7 @@ enum iwl_power_level {   * @sw_crypto: using hardware encryption, default = 0   * @disable_11n: disable 11n capabilities, default = 0,   *	use IWL_DISABLE_HT_* constants - * @amsdu_size_8K: enable 8K amsdu size, default = 1 + * @amsdu_size_8K: enable 8K amsdu size, default = 0   * @restart_fw: restart firmware, default = 1   * @plcp_check: enable plcp health check, default = true   * @wd_disable: enable stuck queue check, default = 0 diff --git a/drivers/net/wireless/iwlwifi/iwl-phy-db.c b/drivers/net/wireless/iwlwifi/iwl-phy-db.c index 14fc8d39fc2..3392011a876 100644 --- a/drivers/net/wireless/iwlwifi/iwl-phy-db.c +++ b/drivers/net/wireless/iwlwifi/iwl-phy-db.c @@ -136,12 +136,6 @@ struct iwl_calib_res_notif_phy_db {  	u8 data[];  } __packed; -#define IWL_PHY_DB_STATIC_PIC cpu_to_le32(0x21436587) -static inline void iwl_phy_db_test_pic(__le32 pic) -{ -	WARN_ON(IWL_PHY_DB_STATIC_PIC != pic); -} -  struct iwl_phy_db *iwl_phy_db_init(struct iwl_trans *trans)  {  	struct iwl_phy_db *phy_db = kzalloc(sizeof(struct iwl_phy_db), @@ -260,11 +254,6 @@ int iwl_phy_db_set_section(struct iwl_phy_db *phy_db, struct iwl_rx_packet *pkt,  			(size - CHANNEL_NUM_SIZE) / phy_db->channel_num;  	} -	/* Test PIC */ -	if (type != IWL_PHY_DB_CFG) -		iwl_phy_db_test_pic(*(((__le32 *)phy_db_notif->data) + -				      (size / sizeof(__le32)) - 1)); -  	IWL_DEBUG_INFO(phy_db->trans,  		       "%s(%d): [PHYDB]SET: Type %d , Size: %d\n",  		       __func__, __LINE__, type, size); @@ -372,11 +361,6 @@ int iwl_phy_db_get_section_data(struct iwl_phy_db *phy_db,  		*size = entry->size;  	} -	/* Test PIC */ -	if (type != IWL_PHY_DB_CFG) -		iwl_phy_db_test_pic(*(((__le32 *)*data) + -				      (*size / sizeof(__le32)) - 1)); -  	IWL_DEBUG_INFO(phy_db->trans,  		       "%s(%d): [PHYDB] GET: Type %d , Size: %d\n",  		       __func__, __LINE__, type, *size); diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h index 8c7bec6b9a0..0cac2b7af78 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans.h @@ -186,19 +186,13 @@ struct iwl_rx_packet {   * @CMD_ASYNC: Return right away and don't want for the response   * @CMD_WANT_SKB: valid only with CMD_SYNC. The caller needs the buffer of the   *	response. The caller needs to call iwl_free_resp when done. - * @CMD_WANT_HCMD: The caller needs to get the HCMD that was sent in the - *	response handler. Chunks flagged by %IWL_HCMD_DFL_NOCOPY won't be - *	copied. The pointer passed to the response handler is in the transport - *	ownership and don't need to be freed by the op_mode. This also means - *	that the pointer is invalidated after the op_mode's handler returns.   * @CMD_ON_DEMAND: This command is sent by the test mode pipe.   */  enum CMD_MODE {  	CMD_SYNC		= 0,  	CMD_ASYNC		= BIT(0),  	CMD_WANT_SKB		= BIT(1), -	CMD_WANT_HCMD		= BIT(2), -	CMD_ON_DEMAND		= BIT(3), +	CMD_ON_DEMAND		= BIT(2),  };  #define DEF_CMD_PAYLOAD_SIZE 320 @@ -217,7 +211,11 @@ struct iwl_device_cmd {  #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) -#define IWL_MAX_CMD_TFDS	2 +/* + * number of transfer buffers (fragments) per transmit frame descriptor; + * this is just the driver's idea, the hardware supports 20 + */ +#define IWL_MAX_CMD_TBS_PER_TFD	2  /**   * struct iwl_hcmd_dataflag - flag for each one of the chunks of the command @@ -254,15 +252,15 @@ enum iwl_hcmd_dataflag {   * @id: id of the host command   */  struct iwl_host_cmd { -	const void *data[IWL_MAX_CMD_TFDS]; +	const void *data[IWL_MAX_CMD_TBS_PER_TFD];  	struct iwl_rx_packet *resp_pkt;  	unsigned long _rx_page_addr;  	u32 _rx_page_order;  	int handler_status;  	u32 flags; -	u16 len[IWL_MAX_CMD_TFDS]; -	u8 dataflags[IWL_MAX_CMD_TFDS]; +	u16 len[IWL_MAX_CMD_TBS_PER_TFD]; +	u8 dataflags[IWL_MAX_CMD_TBS_PER_TFD];  	u8 id;  }; diff --git a/drivers/net/wireless/iwlwifi/mvm/d3.c b/drivers/net/wireless/iwlwifi/mvm/d3.c index c64d864799c..994c8c263dc 100644 --- a/drivers/net/wireless/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/iwlwifi/mvm/d3.c @@ -61,6 +61,7 @@   *   *****************************************************************************/ +#include <linux/etherdevice.h>  #include <net/cfg80211.h>  #include <net/ipv6.h>  #include "iwl-modparams.h" @@ -192,6 +193,11 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw,  					   sizeof(wkc), &wkc);  		data->error = ret != 0; +		mvm->ptk_ivlen = key->iv_len; +		mvm->ptk_icvlen = key->icv_len; +		mvm->gtk_ivlen = key->iv_len; +		mvm->gtk_icvlen = key->icv_len; +  		/* don't upload key again */  		goto out_unlock;  	} @@ -304,9 +310,13 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw,  	 */  	if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {  		key->hw_key_idx = 0; +		mvm->ptk_ivlen = key->iv_len; +		mvm->ptk_icvlen = key->icv_len;  	} else {  		data->gtk_key_idx++;  		key->hw_key_idx = data->gtk_key_idx; +		mvm->gtk_ivlen = key->iv_len; +		mvm->gtk_icvlen = key->icv_len;  	}  	ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, true); @@ -649,6 +659,11 @@ int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)  	/* We reprogram keys and shouldn't allocate new key indices */  	memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); +	mvm->ptk_ivlen = 0; +	mvm->ptk_icvlen = 0; +	mvm->ptk_ivlen = 0; +	mvm->ptk_icvlen = 0; +  	/*  	 * The D3 firmware still hardcodes the AP station ID for the  	 * BSS we're associated with as 0. As a result, we have to move @@ -783,7 +798,6 @@ static void iwl_mvm_query_wakeup_reasons(struct iwl_mvm *mvm,  	struct iwl_wowlan_status *status;  	u32 reasons;  	int ret, len; -	bool pkt8023 = false;  	struct sk_buff *pkt = NULL;  	iwl_trans_read_mem_bytes(mvm->trans, base, @@ -824,7 +838,8 @@ static void iwl_mvm_query_wakeup_reasons(struct iwl_mvm *mvm,  	status = (void *)cmd.resp_pkt->data;  	if (len - sizeof(struct iwl_cmd_header) != -	    sizeof(*status) + le32_to_cpu(status->wake_packet_bufsize)) { +	    sizeof(*status) + +	    ALIGN(le32_to_cpu(status->wake_packet_bufsize), 4)) {  		IWL_ERR(mvm, "Invalid WoWLAN status response!\n");  		goto out;  	} @@ -836,61 +851,96 @@ static void iwl_mvm_query_wakeup_reasons(struct iwl_mvm *mvm,  		goto report;  	} -	if (reasons & IWL_WOWLAN_WAKEUP_BY_MAGIC_PACKET) { +	if (reasons & IWL_WOWLAN_WAKEUP_BY_MAGIC_PACKET)  		wakeup.magic_pkt = true; -		pkt8023 = true; -	} -	if (reasons & IWL_WOWLAN_WAKEUP_BY_PATTERN) { +	if (reasons & IWL_WOWLAN_WAKEUP_BY_PATTERN)  		wakeup.pattern_idx =  			le16_to_cpu(status->pattern_number); -		pkt8023 = true; -	}  	if (reasons & (IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON |  		       IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH))  		wakeup.disconnect = true; -	if (reasons & IWL_WOWLAN_WAKEUP_BY_GTK_REKEY_FAILURE) { +	if (reasons & IWL_WOWLAN_WAKEUP_BY_GTK_REKEY_FAILURE)  		wakeup.gtk_rekey_failure = true; -		pkt8023 = true; -	} -	if (reasons & IWL_WOWLAN_WAKEUP_BY_RFKILL_DEASSERTED) { +	if (reasons & IWL_WOWLAN_WAKEUP_BY_RFKILL_DEASSERTED)  		wakeup.rfkill_release = true; -		pkt8023 = true; -	} -	if (reasons & IWL_WOWLAN_WAKEUP_BY_EAPOL_REQUEST) { +	if (reasons & IWL_WOWLAN_WAKEUP_BY_EAPOL_REQUEST)  		wakeup.eap_identity_req = true; -		pkt8023 = true; -	} -	if (reasons & IWL_WOWLAN_WAKEUP_BY_FOUR_WAY_HANDSHAKE) { +	if (reasons & IWL_WOWLAN_WAKEUP_BY_FOUR_WAY_HANDSHAKE)  		wakeup.four_way_handshake = true; -		pkt8023 = true; -	}  	if (status->wake_packet_bufsize) { -		u32 pktsize = le32_to_cpu(status->wake_packet_bufsize); -		u32 pktlen = le32_to_cpu(status->wake_packet_length); +		int pktsize = le32_to_cpu(status->wake_packet_bufsize); +		int pktlen = le32_to_cpu(status->wake_packet_length); +		const u8 *pktdata = status->wake_packet; +		struct ieee80211_hdr *hdr = (void *)pktdata; +		int truncated = pktlen - pktsize; + +		/* this would be a firmware bug */ +		if (WARN_ON_ONCE(truncated < 0)) +			truncated = 0; + +		if (ieee80211_is_data(hdr->frame_control)) { +			int hdrlen = ieee80211_hdrlen(hdr->frame_control); +			int ivlen = 0, icvlen = 4; /* also FCS */ -		if (pkt8023) {  			pkt = alloc_skb(pktsize, GFP_KERNEL);  			if (!pkt)  				goto report; -			memcpy(skb_put(pkt, pktsize), status->wake_packet, -			       pktsize); + +			memcpy(skb_put(pkt, hdrlen), pktdata, hdrlen); +			pktdata += hdrlen; +			pktsize -= hdrlen; + +			if (ieee80211_has_protected(hdr->frame_control)) { +				if (is_multicast_ether_addr(hdr->addr1)) { +					ivlen = mvm->gtk_ivlen; +					icvlen += mvm->gtk_icvlen; +				} else { +					ivlen = mvm->ptk_ivlen; +					icvlen += mvm->ptk_icvlen; +				} +			} + +			/* if truncated, FCS/ICV is (partially) gone */ +			if (truncated >= icvlen) { +				icvlen = 0; +				truncated -= icvlen; +			} else { +				icvlen -= truncated; +				truncated = 0; +			} + +			pktsize -= ivlen + icvlen; +			pktdata += ivlen; + +			memcpy(skb_put(pkt, pktsize), pktdata, pktsize); +  			if (ieee80211_data_to_8023(pkt, vif->addr, vif->type))  				goto report;  			wakeup.packet = pkt->data;  			wakeup.packet_present_len = pkt->len; -			wakeup.packet_len = pkt->len - (pktlen - pktsize); +			wakeup.packet_len = pkt->len - truncated;  			wakeup.packet_80211 = false;  		} else { +			int fcslen = 4; + +			if (truncated >= 4) { +				truncated -= 4; +				fcslen = 0; +			} else { +				fcslen -= truncated; +				truncated = 0; +			} +			pktsize -= fcslen;  			wakeup.packet = status->wake_packet;  			wakeup.packet_present_len = pktsize; -			wakeup.packet_len = pktlen; +			wakeup.packet_len = pktlen - truncated;  			wakeup.packet_80211 = true;  		}  	} diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/iwlwifi/mvm/fw-api.h index 23eebda848b..2adb61f103f 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api.h @@ -762,18 +762,20 @@ struct iwl_phy_context_cmd {  #define IWL_RX_INFO_PHY_CNT 8  #define IWL_RX_INFO_AGC_IDX 1  #define IWL_RX_INFO_RSSI_AB_IDX 2 -#define IWL_RX_INFO_RSSI_C_IDX 3 -#define IWL_OFDM_AGC_DB_MSK 0xfe00 -#define IWL_OFDM_AGC_DB_POS 9 +#define IWL_OFDM_AGC_A_MSK 0x0000007f +#define IWL_OFDM_AGC_A_POS 0 +#define IWL_OFDM_AGC_B_MSK 0x00003f80 +#define IWL_OFDM_AGC_B_POS 7 +#define IWL_OFDM_AGC_CODE_MSK 0x3fe00000 +#define IWL_OFDM_AGC_CODE_POS 20  #define IWL_OFDM_RSSI_INBAND_A_MSK 0x00ff -#define IWL_OFDM_RSSI_ALLBAND_A_MSK 0xff00  #define IWL_OFDM_RSSI_A_POS 0 +#define IWL_OFDM_RSSI_ALLBAND_A_MSK 0xff00 +#define IWL_OFDM_RSSI_ALLBAND_A_POS 8  #define IWL_OFDM_RSSI_INBAND_B_MSK 0xff0000 -#define IWL_OFDM_RSSI_ALLBAND_B_MSK 0xff000000  #define IWL_OFDM_RSSI_B_POS 16 -#define IWL_OFDM_RSSI_INBAND_C_MSK 0x00ff -#define IWL_OFDM_RSSI_ALLBAND_C_MSK 0xff00 -#define IWL_OFDM_RSSI_C_POS 0 +#define IWL_OFDM_RSSI_ALLBAND_B_MSK 0xff000000 +#define IWL_OFDM_RSSI_ALLBAND_B_POS 24  /**   * struct iwl_rx_phy_info - phy info diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c index d3d959db03a..500f818dba0 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/iwlwifi/mvm/fw.c @@ -79,17 +79,8 @@  #define UCODE_VALID_OK	cpu_to_le32(0x1)  /* Default calibration values for WkP - set to INIT image w/o running */ -static const u8 wkp_calib_values_bb_filter[] = { 0xbf, 0x00, 0x5f, 0x00, 0x2f, -						 0x00, 0x18, 0x00 }; -static const u8 wkp_calib_values_rx_dc[] = { 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, -					     0x7f, 0x7f, 0x7f }; -static const u8 wkp_calib_values_tx_lo[] = { 0x00, 0x00, 0x00, 0x00 }; -static const u8 wkp_calib_values_tx_iq[] = { 0xff, 0x00, 0xff, 0x00, 0x00, -					     0x00 }; -static const u8 wkp_calib_values_rx_iq[] = { 0xff, 0x00, 0x00, 0x00 };  static const u8 wkp_calib_values_rx_iq_skew[] = { 0x00, 0x00, 0x01, 0x00 };  static const u8 wkp_calib_values_tx_iq_skew[] = { 0x01, 0x00, 0x00, 0x00 }; -static const u8 wkp_calib_values_xtal[] = { 0xd2, 0xd2 };  struct iwl_calib_default_data {  	u16 size; @@ -99,12 +90,7 @@ struct iwl_calib_default_data {  #define CALIB_SIZE_N_DATA(_buf) {.size = sizeof(_buf), .data = &_buf}  static const struct iwl_calib_default_data wkp_calib_default_data[12] = { -	[5] = CALIB_SIZE_N_DATA(wkp_calib_values_rx_dc), -	[6] = CALIB_SIZE_N_DATA(wkp_calib_values_bb_filter), -	[7] = CALIB_SIZE_N_DATA(wkp_calib_values_tx_lo), -	[8] = CALIB_SIZE_N_DATA(wkp_calib_values_tx_iq),  	[9] = CALIB_SIZE_N_DATA(wkp_calib_values_tx_iq_skew), -	[10] = CALIB_SIZE_N_DATA(wkp_calib_values_rx_iq),  	[11] = CALIB_SIZE_N_DATA(wkp_calib_values_rx_iq_skew),  }; @@ -241,20 +227,6 @@ static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,  	return 0;  } -#define IWL_HW_REV_ID_RAINBOW	0x2 -#define IWL_PROJ_TYPE_LHP	0x5 - -static u32 iwl_mvm_build_phy_cfg(struct iwl_mvm *mvm) -{ -	struct iwl_nvm_data *data = mvm->nvm_data; -	/* Temp calls to static definitions, will be changed to CSR calls */ -	u8 hw_rev_id = IWL_HW_REV_ID_RAINBOW; -	u8 project_type = IWL_PROJ_TYPE_LHP; - -	return data->radio_cfg_dash | (data->radio_cfg_step << 2) | -		(hw_rev_id << 4) | ((project_type & 0x7f) << 6) | -		(data->valid_tx_ant << 16) | (data->valid_rx_ant << 20); -}  static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)  { @@ -262,7 +234,7 @@ static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)  	enum iwl_ucode_type ucode_type = mvm->cur_ucode;  	/* Set parameters */ -	phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_build_phy_cfg(mvm)); +	phy_cfg_cmd.phy_cfg = cpu_to_le32(mvm->fw->phy_config);  	phy_cfg_cmd.calib_control.event_trigger =  		mvm->fw->default_calib[ucode_type].event_trigger;  	phy_cfg_cmd.calib_control.flow_trigger = @@ -275,103 +247,6 @@ static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)  				    sizeof(phy_cfg_cmd), &phy_cfg_cmd);  } -/* Starting with the new PHY DB implementation - New calibs are enabled */ -/* Value - 0x405e7 */ -#define IWL_CALIB_DEFAULT_FLOW_INIT	(IWL_CALIB_CFG_XTAL_IDX		|\ -					 IWL_CALIB_CFG_TEMPERATURE_IDX	|\ -					 IWL_CALIB_CFG_VOLTAGE_READ_IDX	|\ -					 IWL_CALIB_CFG_DC_IDX		|\ -					 IWL_CALIB_CFG_BB_FILTER_IDX	|\ -					 IWL_CALIB_CFG_LO_LEAKAGE_IDX	|\ -					 IWL_CALIB_CFG_TX_IQ_IDX	|\ -					 IWL_CALIB_CFG_RX_IQ_IDX	|\ -					 IWL_CALIB_CFG_AGC_IDX) - -#define IWL_CALIB_DEFAULT_EVENT_INIT	0x0 - -/* Value 0x41567 */ -#define IWL_CALIB_DEFAULT_FLOW_RUN	(IWL_CALIB_CFG_XTAL_IDX		|\ -					 IWL_CALIB_CFG_TEMPERATURE_IDX	|\ -					 IWL_CALIB_CFG_VOLTAGE_READ_IDX	|\ -					 IWL_CALIB_CFG_BB_FILTER_IDX	|\ -					 IWL_CALIB_CFG_DC_IDX		|\ -					 IWL_CALIB_CFG_TX_IQ_IDX	|\ -					 IWL_CALIB_CFG_RX_IQ_IDX	|\ -					 IWL_CALIB_CFG_SENSITIVITY_IDX	|\ -					 IWL_CALIB_CFG_AGC_IDX) - -#define IWL_CALIB_DEFAULT_EVENT_RUN	(IWL_CALIB_CFG_XTAL_IDX		|\ -					 IWL_CALIB_CFG_TEMPERATURE_IDX	|\ -					 IWL_CALIB_CFG_VOLTAGE_READ_IDX	|\ -					 IWL_CALIB_CFG_TX_PWR_IDX	|\ -					 IWL_CALIB_CFG_DC_IDX		|\ -					 IWL_CALIB_CFG_TX_IQ_IDX	|\ -					 IWL_CALIB_CFG_SENSITIVITY_IDX) - -/* - * Sets the calibrations trigger values that will be sent to the FW for runtime - * and init calibrations. - * The ones given in the FW TLV are not correct. - */ -static void iwl_set_default_calib_trigger(struct iwl_mvm *mvm) -{ -	struct iwl_tlv_calib_ctrl default_calib; - -	/* -	 * WkP FW TLV calib bits are wrong, overwrite them. -	 * This defines the dynamic calibrations which are implemented in the -	 * uCode both for init(flow) calculation and event driven calibs. -	 */ - -	/* Init Image */ -	default_calib.event_trigger = cpu_to_le32(IWL_CALIB_DEFAULT_EVENT_INIT); -	default_calib.flow_trigger = cpu_to_le32(IWL_CALIB_DEFAULT_FLOW_INIT); - -	if (default_calib.event_trigger != -	    mvm->fw->default_calib[IWL_UCODE_INIT].event_trigger) -		IWL_ERR(mvm, -			"Updating the event calib for INIT image: 0x%x -> 0x%x\n", -			mvm->fw->default_calib[IWL_UCODE_INIT].event_trigger, -			default_calib.event_trigger); -	if (default_calib.flow_trigger != -	    mvm->fw->default_calib[IWL_UCODE_INIT].flow_trigger) -		IWL_ERR(mvm, -			"Updating the flow calib for INIT image: 0x%x -> 0x%x\n", -			mvm->fw->default_calib[IWL_UCODE_INIT].flow_trigger, -			default_calib.flow_trigger); - -	memcpy((void *)&mvm->fw->default_calib[IWL_UCODE_INIT], -	       &default_calib, sizeof(struct iwl_tlv_calib_ctrl)); -	IWL_ERR(mvm, -		"Setting uCode init calibrations event 0x%x, trigger 0x%x\n", -		default_calib.event_trigger, -		default_calib.flow_trigger); - -	/* Run time image */ -	default_calib.event_trigger = cpu_to_le32(IWL_CALIB_DEFAULT_EVENT_RUN); -	default_calib.flow_trigger = cpu_to_le32(IWL_CALIB_DEFAULT_FLOW_RUN); - -	if (default_calib.event_trigger != -	    mvm->fw->default_calib[IWL_UCODE_REGULAR].event_trigger) -		IWL_ERR(mvm, -			"Updating the event calib for RT image: 0x%x -> 0x%x\n", -			mvm->fw->default_calib[IWL_UCODE_REGULAR].event_trigger, -			default_calib.event_trigger); -	if (default_calib.flow_trigger != -	    mvm->fw->default_calib[IWL_UCODE_REGULAR].flow_trigger) -		IWL_ERR(mvm, -			"Updating the flow calib for RT image: 0x%x -> 0x%x\n", -			mvm->fw->default_calib[IWL_UCODE_REGULAR].flow_trigger, -			default_calib.flow_trigger); - -	memcpy((void *)&mvm->fw->default_calib[IWL_UCODE_REGULAR], -	       &default_calib, sizeof(struct iwl_tlv_calib_ctrl)); -	IWL_ERR(mvm, -		"Setting uCode runtime calibs event 0x%x, trigger 0x%x\n", -		default_calib.event_trigger, -		default_calib.flow_trigger); -} -  static int iwl_set_default_calibrations(struct iwl_mvm *mvm)  {  	u8 cmd_raw[16]; /* holds the variable size commands */ @@ -446,8 +321,10 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)  	ret = iwl_nvm_check_version(mvm->nvm_data, mvm->trans);  	WARN_ON(ret); -	/* Override the calibrations from TLV and the const of fw */ -	iwl_set_default_calib_trigger(mvm); +	/* Send TX valid antennas before triggering calibrations */ +	ret = iwl_send_tx_ant_cfg(mvm, mvm->nvm_data->valid_tx_ant); +	if (ret) +		goto error;  	/* WkP doesn't have all calibrations, need to set default values */  	if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000) { diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index e8264e11b12..7e169b085af 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -557,11 +557,9 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,  	return ret;  } -static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, -					 struct ieee80211_vif *vif) +static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, +					struct ieee80211_vif *vif)  { -	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); -	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);  	u32 tfd_msk = 0, ac;  	for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) @@ -594,12 +592,21 @@ static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,  		 */  		flush_work(&mvm->sta_drained_wk);  	} +} + +static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, +					 struct ieee80211_vif *vif) +{ +	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); +	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + +	iwl_mvm_prepare_mac_removal(mvm, vif);  	mutex_lock(&mvm->mutex);  	/*  	 * For AP/GO interface, the tear down of the resources allocated to the -	 * interface should be handled as part of the bss_info_changed flow. +	 * interface is be handled as part of the stop_ap flow.  	 */  	if (vif->type == NL80211_IFTYPE_AP) {  		iwl_mvm_dealloc_int_sta(mvm, &mvmvif->bcast_sta); @@ -763,6 +770,8 @@ static void iwl_mvm_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif)  	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);  	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); +	iwl_mvm_prepare_mac_removal(mvm, vif); +  	mutex_lock(&mvm->mutex);  	mvmvif->ap_active = false; diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h index 4e339ccfa80..bdae700c769 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h @@ -80,7 +80,8 @@  #define IWL_INVALID_MAC80211_QUEUE	0xff  #define IWL_MVM_MAX_ADDRESSES		2 -#define IWL_RSSI_OFFSET 44 +/* RSSI offset for WkP */ +#define IWL_RSSI_OFFSET 50  enum iwl_mvm_tx_fifo {  	IWL_MVM_TX_FIFO_BK = 0, @@ -327,6 +328,10 @@ struct iwl_mvm {  	struct led_classdev led;  	struct ieee80211_vif *p2p_device_vif; + +#ifdef CONFIG_PM_SLEEP +	int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen; +#endif  };  /* Extract MVM priv from op_mode and _hw */ diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c index aa59adf87db..d0f9c1e0475 100644 --- a/drivers/net/wireless/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/iwlwifi/mvm/ops.c @@ -624,12 +624,8 @@ static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)  	ieee80211_free_txskb(mvm->hw, skb);  } -static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode) +static void iwl_mvm_nic_restart(struct iwl_mvm *mvm)  { -	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); - -	iwl_mvm_dump_nic_error_log(mvm); -  	iwl_abort_notification_waits(&mvm->notif_wait);  	/* @@ -663,9 +659,21 @@ static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode)  	}  } +static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode) +{ +	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); + +	iwl_mvm_dump_nic_error_log(mvm); + +	iwl_mvm_nic_restart(mvm); +} +  static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode)  { +	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); +  	WARN_ON(1); +	iwl_mvm_nic_restart(mvm);  }  static const struct iwl_op_mode_ops iwl_mvm_ops = { diff --git a/drivers/net/wireless/iwlwifi/mvm/rx.c b/drivers/net/wireless/iwlwifi/mvm/rx.c index 3f40ab05bbd..b0b190d0ec2 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rx.c +++ b/drivers/net/wireless/iwlwifi/mvm/rx.c @@ -131,33 +131,42 @@ static void iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm *mvm,  static int iwl_mvm_calc_rssi(struct iwl_mvm *mvm,  			     struct iwl_rx_phy_info *phy_info)  { -	u32 rssi_a, rssi_b, rssi_c, max_rssi, agc_db; +	int rssi_a, rssi_b, rssi_a_dbm, rssi_b_dbm, max_rssi_dbm; +	int rssi_all_band_a, rssi_all_band_b; +	u32 agc_a, agc_b, max_agc;  	u32 val; -	/* Find max rssi among 3 possible receivers. +	/* Find max rssi among 2 possible receivers.  	 * These values are measured by the Digital Signal Processor (DSP).  	 * They should stay fairly constant even as the signal strength varies,  	 * if the radio's Automatic Gain Control (AGC) is working right.  	 * AGC value (see below) will provide the "interesting" info.  	 */ +	val = le32_to_cpu(phy_info->non_cfg_phy[IWL_RX_INFO_AGC_IDX]); +	agc_a = (val & IWL_OFDM_AGC_A_MSK) >> IWL_OFDM_AGC_A_POS; +	agc_b = (val & IWL_OFDM_AGC_B_MSK) >> IWL_OFDM_AGC_B_POS; +	max_agc = max_t(u32, agc_a, agc_b); +  	val = le32_to_cpu(phy_info->non_cfg_phy[IWL_RX_INFO_RSSI_AB_IDX]);  	rssi_a = (val & IWL_OFDM_RSSI_INBAND_A_MSK) >> IWL_OFDM_RSSI_A_POS;  	rssi_b = (val & IWL_OFDM_RSSI_INBAND_B_MSK) >> IWL_OFDM_RSSI_B_POS; -	val = le32_to_cpu(phy_info->non_cfg_phy[IWL_RX_INFO_RSSI_C_IDX]); -	rssi_c = (val & IWL_OFDM_RSSI_INBAND_C_MSK) >> IWL_OFDM_RSSI_C_POS; - -	val = le32_to_cpu(phy_info->non_cfg_phy[IWL_RX_INFO_AGC_IDX]); -	agc_db = (val & IWL_OFDM_AGC_DB_MSK) >> IWL_OFDM_AGC_DB_POS; +	rssi_all_band_a = (val & IWL_OFDM_RSSI_ALLBAND_A_MSK) >> +				IWL_OFDM_RSSI_ALLBAND_A_POS; +	rssi_all_band_b = (val & IWL_OFDM_RSSI_ALLBAND_B_MSK) >> +				IWL_OFDM_RSSI_ALLBAND_B_POS; -	max_rssi = max_t(u32, rssi_a, rssi_b); -	max_rssi = max_t(u32, max_rssi, rssi_c); +	/* +	 * dBm = rssi dB - agc dB - constant. +	 * Higher AGC (higher radio gain) means lower signal. +	 */ +	rssi_a_dbm = rssi_a - IWL_RSSI_OFFSET - agc_a; +	rssi_b_dbm = rssi_b - IWL_RSSI_OFFSET - agc_b; +	max_rssi_dbm = max_t(int, rssi_a_dbm, rssi_b_dbm); -	IWL_DEBUG_STATS(mvm, "Rssi In A %d B %d C %d Max %d AGC dB %d\n", -			rssi_a, rssi_b, rssi_c, max_rssi, agc_db); +	IWL_DEBUG_STATS(mvm, "Rssi In A %d B %d Max %d AGCA %d AGCB %d\n", +			rssi_a_dbm, rssi_b_dbm, max_rssi_dbm, agc_a, agc_b); -	/* dBm = max_rssi dB - agc dB - constant. -	 * Higher AGC (higher radio gain) means lower signal. */ -	return max_rssi - agc_db - IWL_RSSI_OFFSET; +	return max_rssi_dbm;  }  /* diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c index 861a7f9f8e7..274f44e2ef6 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/iwlwifi/mvm/sta.c @@ -770,6 +770,16 @@ int iwl_mvm_sta_tx_agg_stop(struct iwl_mvm *mvm, struct ieee80211_vif *vif,  	u16 txq_id;  	int err; + +	/* +	 * If mac80211 is cleaning its state, then say that we finished since +	 * our state has been cleared anyway. +	 */ +	if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { +		ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); +		return 0; +	} +  	spin_lock_bh(&mvmsta->lock);  	txq_id = tid_data->txq_id; diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c index 6b67ce3f679..6645efe5c03 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/iwlwifi/mvm/tx.c @@ -607,12 +607,8 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,  		/* Single frame failure in an AMPDU queue => send BAR */  		if (txq_id >= IWL_FIRST_AMPDU_QUEUE && -		    !(info->flags & IEEE80211_TX_STAT_ACK)) { -			/* there must be only one skb in the skb_list */ -			WARN_ON_ONCE(skb_freed > 1 || -				     !skb_queue_empty(&skbs)); +		    !(info->flags & IEEE80211_TX_STAT_ACK))  			info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK; -		}  		/* W/A FW bug: seq_ctl is wrong when the queue is flushed */  		if (status == TX_STATUS_FAIL_FIFO_FLUSHED) { diff --git a/drivers/net/wireless/iwlwifi/pcie/internal.h b/drivers/net/wireless/iwlwifi/pcie/internal.h index aa2a39a637d..148843e7f34 100644 --- a/drivers/net/wireless/iwlwifi/pcie/internal.h +++ b/drivers/net/wireless/iwlwifi/pcie/internal.h @@ -137,10 +137,6 @@ static inline int iwl_queue_dec_wrap(int index, int n_bd)  struct iwl_cmd_meta {  	/* only for SYNC commands, iff the reply skb is wanted */  	struct iwl_host_cmd *source; - -	DEFINE_DMA_UNMAP_ADDR(mapping); -	DEFINE_DMA_UNMAP_LEN(len); -  	u32 flags;  }; @@ -182,19 +178,39 @@ struct iwl_queue {  #define TFD_TX_CMD_SLOTS 256  #define TFD_CMD_SLOTS 32 +/* + * The FH will write back to the first TB only, so we need + * to copy some data into the buffer regardless of whether + * it should be mapped or not. This indicates how big the + * first TB must be to include the scratch buffer. Since + * the scratch is 4 bytes at offset 12, it's 16 now. If we + * make it bigger then allocations will be bigger and copy + * slower, so that's probably not useful. + */ +#define IWL_HCMD_SCRATCHBUF_SIZE	16 +  struct iwl_pcie_txq_entry {  	struct iwl_device_cmd *cmd; -	struct iwl_device_cmd *copy_cmd;  	struct sk_buff *skb;  	/* buffer to free after command completes */  	const void *free_buf;  	struct iwl_cmd_meta meta;  }; +struct iwl_pcie_txq_scratch_buf { +	struct iwl_cmd_header hdr; +	u8 buf[8]; +	__le32 scratch; +}; +  /**   * struct iwl_txq - Tx Queue for DMA   * @q: generic Rx/Tx queue descriptor   * @tfds: transmit frame descriptors (DMA memory) + * @scratchbufs: start of command headers, including scratch buffers, for + *	the writeback -- this is DMA memory and an array holding one buffer + *	for each command on the queue + * @scratchbufs_dma: DMA address for the scratchbufs start   * @entries: transmit entries (driver state)   * @lock: queue lock   * @stuck_timer: timer that fires if queue gets stuck @@ -208,6 +224,8 @@ struct iwl_pcie_txq_entry {  struct iwl_txq {  	struct iwl_queue q;  	struct iwl_tfd *tfds; +	struct iwl_pcie_txq_scratch_buf *scratchbufs; +	dma_addr_t scratchbufs_dma;  	struct iwl_pcie_txq_entry *entries;  	spinlock_t lock;  	struct timer_list stuck_timer; @@ -216,6 +234,13 @@ struct iwl_txq {  	u8 active;  }; +static inline dma_addr_t +iwl_pcie_get_scratchbuf_dma(struct iwl_txq *txq, int idx) +{ +	return txq->scratchbufs_dma + +	       sizeof(struct iwl_pcie_txq_scratch_buf) * idx; +} +  /**   * struct iwl_trans_pcie - PCIe transport specific data   * @rxq: all the RX queue data diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c index b0ae06d2456..567e67ad1f6 100644 --- a/drivers/net/wireless/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/iwlwifi/pcie/rx.c @@ -637,22 +637,14 @@ static void iwl_pcie_rx_handle_rb(struct iwl_trans *trans,  		index = SEQ_TO_INDEX(sequence);  		cmd_index = get_cmd_index(&txq->q, index); -		if (reclaim) { -			struct iwl_pcie_txq_entry *ent; -			ent = &txq->entries[cmd_index]; -			cmd = ent->copy_cmd; -			WARN_ON_ONCE(!cmd && ent->meta.flags & CMD_WANT_HCMD); -		} else { +		if (reclaim) +			cmd = txq->entries[cmd_index].cmd; +		else  			cmd = NULL; -		}  		err = iwl_op_mode_rx(trans->op_mode, &rxcb, cmd);  		if (reclaim) { -			/* The original command isn't needed any more */ -			kfree(txq->entries[cmd_index].copy_cmd); -			txq->entries[cmd_index].copy_cmd = NULL; -			/* nor is the duplicated part of the command */  			kfree(txq->entries[cmd_index].free_buf);  			txq->entries[cmd_index].free_buf = NULL;  		} diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c index 8e9e3212fe7..8595c16f74d 100644 --- a/drivers/net/wireless/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/iwlwifi/pcie/tx.c @@ -191,12 +191,9 @@ static void iwl_pcie_txq_stuck_timer(unsigned long data)  	}  	for (i = q->read_ptr; i != q->write_ptr; -	     i = iwl_queue_inc_wrap(i, q->n_bd)) { -		struct iwl_tx_cmd *tx_cmd = -			(struct iwl_tx_cmd *)txq->entries[i].cmd->payload; +	     i = iwl_queue_inc_wrap(i, q->n_bd))  		IWL_ERR(trans, "scratch %d = 0x%08x\n", i, -			get_unaligned_le32(&tx_cmd->scratch)); -	} +			le32_to_cpu(txq->scratchbufs[i].scratch));  	iwl_op_mode_nic_error(trans->op_mode);  } @@ -367,8 +364,8 @@ static inline u8 iwl_pcie_tfd_get_num_tbs(struct iwl_tfd *tfd)  }  static void iwl_pcie_tfd_unmap(struct iwl_trans *trans, -			       struct iwl_cmd_meta *meta, struct iwl_tfd *tfd, -			       enum dma_data_direction dma_dir) +			       struct iwl_cmd_meta *meta, +			       struct iwl_tfd *tfd)  {  	int i;  	int num_tbs; @@ -382,17 +379,12 @@ static void iwl_pcie_tfd_unmap(struct iwl_trans *trans,  		return;  	} -	/* Unmap tx_cmd */ -	if (num_tbs) -		dma_unmap_single(trans->dev, -				dma_unmap_addr(meta, mapping), -				dma_unmap_len(meta, len), -				DMA_BIDIRECTIONAL); +	/* first TB is never freed - it's the scratchbuf data */ -	/* Unmap chunks, if any. */  	for (i = 1; i < num_tbs; i++)  		dma_unmap_single(trans->dev, iwl_pcie_tfd_tb_get_addr(tfd, i), -				 iwl_pcie_tfd_tb_get_len(tfd, i), dma_dir); +				 iwl_pcie_tfd_tb_get_len(tfd, i), +				 DMA_TO_DEVICE);  	tfd->num_tbs = 0;  } @@ -406,8 +398,7 @@ static void iwl_pcie_tfd_unmap(struct iwl_trans *trans,   * Does NOT advance any TFD circular buffer read/write indexes   * Does NOT free the TFD itself (which is within circular buffer)   */ -static void iwl_pcie_txq_free_tfd(struct iwl_trans *trans, struct iwl_txq *txq, -				  enum dma_data_direction dma_dir) +static void iwl_pcie_txq_free_tfd(struct iwl_trans *trans, struct iwl_txq *txq)  {  	struct iwl_tfd *tfd_tmp = txq->tfds; @@ -418,8 +409,7 @@ static void iwl_pcie_txq_free_tfd(struct iwl_trans *trans, struct iwl_txq *txq,  	lockdep_assert_held(&txq->lock);  	/* We have only q->n_window txq->entries, but we use q->n_bd tfds */ -	iwl_pcie_tfd_unmap(trans, &txq->entries[idx].meta, &tfd_tmp[rd_ptr], -			   dma_dir); +	iwl_pcie_tfd_unmap(trans, &txq->entries[idx].meta, &tfd_tmp[rd_ptr]);  	/* free SKB */  	if (txq->entries) { @@ -479,6 +469,7 @@ static int iwl_pcie_txq_alloc(struct iwl_trans *trans,  {  	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);  	size_t tfd_sz = sizeof(struct iwl_tfd) * TFD_QUEUE_SIZE_MAX; +	size_t scratchbuf_sz;  	int i;  	if (WARN_ON(txq->entries || txq->tfds)) @@ -514,9 +505,25 @@ static int iwl_pcie_txq_alloc(struct iwl_trans *trans,  		IWL_ERR(trans, "dma_alloc_coherent(%zd) failed\n", tfd_sz);  		goto error;  	} + +	BUILD_BUG_ON(IWL_HCMD_SCRATCHBUF_SIZE != sizeof(*txq->scratchbufs)); +	BUILD_BUG_ON(offsetof(struct iwl_pcie_txq_scratch_buf, scratch) != +			sizeof(struct iwl_cmd_header) + +			offsetof(struct iwl_tx_cmd, scratch)); + +	scratchbuf_sz = sizeof(*txq->scratchbufs) * slots_num; + +	txq->scratchbufs = dma_alloc_coherent(trans->dev, scratchbuf_sz, +					      &txq->scratchbufs_dma, +					      GFP_KERNEL); +	if (!txq->scratchbufs) +		goto err_free_tfds; +  	txq->q.id = txq_id;  	return 0; +err_free_tfds: +	dma_free_coherent(trans->dev, tfd_sz, txq->tfds, txq->q.dma_addr);  error:  	if (txq->entries && txq_id == trans_pcie->cmd_queue)  		for (i = 0; i < slots_num; i++) @@ -565,22 +572,13 @@ static void iwl_pcie_txq_unmap(struct iwl_trans *trans, int txq_id)  	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);  	struct iwl_txq *txq = &trans_pcie->txq[txq_id];  	struct iwl_queue *q = &txq->q; -	enum dma_data_direction dma_dir;  	if (!q->n_bd)  		return; -	/* In the command queue, all the TBs are mapped as BIDI -	 * so unmap them as such. -	 */ -	if (txq_id == trans_pcie->cmd_queue) -		dma_dir = DMA_BIDIRECTIONAL; -	else -		dma_dir = DMA_TO_DEVICE; -  	spin_lock_bh(&txq->lock);  	while (q->write_ptr != q->read_ptr) { -		iwl_pcie_txq_free_tfd(trans, txq, dma_dir); +		iwl_pcie_txq_free_tfd(trans, txq);  		q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd);  	}  	spin_unlock_bh(&txq->lock); @@ -610,7 +608,6 @@ static void iwl_pcie_txq_free(struct iwl_trans *trans, int txq_id)  	if (txq_id == trans_pcie->cmd_queue)  		for (i = 0; i < txq->q.n_window; i++) {  			kfree(txq->entries[i].cmd); -			kfree(txq->entries[i].copy_cmd);  			kfree(txq->entries[i].free_buf);  		} @@ -619,6 +616,10 @@ static void iwl_pcie_txq_free(struct iwl_trans *trans, int txq_id)  		dma_free_coherent(dev, sizeof(struct iwl_tfd) *  				  txq->q.n_bd, txq->tfds, txq->q.dma_addr);  		txq->q.dma_addr = 0; + +		dma_free_coherent(dev, +				  sizeof(*txq->scratchbufs) * txq->q.n_window, +				  txq->scratchbufs, txq->scratchbufs_dma);  	}  	kfree(txq->entries); @@ -962,7 +963,7 @@ void iwl_trans_pcie_reclaim(struct iwl_trans *trans, int txq_id, int ssn,  		iwl_pcie_txq_inval_byte_cnt_tbl(trans, txq); -		iwl_pcie_txq_free_tfd(trans, txq, DMA_TO_DEVICE); +		iwl_pcie_txq_free_tfd(trans, txq);  	}  	iwl_pcie_txq_progress(trans_pcie, txq); @@ -1152,20 +1153,37 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,  	void *dup_buf = NULL;  	dma_addr_t phys_addr;  	int idx; -	u16 copy_size, cmd_size; +	u16 copy_size, cmd_size, scratch_size;  	bool had_nocopy = false;  	int i;  	u32 cmd_pos; +	const u8 *cmddata[IWL_MAX_CMD_TBS_PER_TFD]; +	u16 cmdlen[IWL_MAX_CMD_TBS_PER_TFD];  	copy_size = sizeof(out_cmd->hdr);  	cmd_size = sizeof(out_cmd->hdr);  	/* need one for the header if the first is NOCOPY */ -	BUILD_BUG_ON(IWL_MAX_CMD_TFDS > IWL_NUM_OF_TBS - 1); +	BUILD_BUG_ON(IWL_MAX_CMD_TBS_PER_TFD > IWL_NUM_OF_TBS - 1); + +	for (i = 0; i < IWL_MAX_CMD_TBS_PER_TFD; i++) { +		cmddata[i] = cmd->data[i]; +		cmdlen[i] = cmd->len[i]; -	for (i = 0; i < IWL_MAX_CMD_TFDS; i++) {  		if (!cmd->len[i])  			continue; + +		/* need at least IWL_HCMD_SCRATCHBUF_SIZE copied */ +		if (copy_size < IWL_HCMD_SCRATCHBUF_SIZE) { +			int copy = IWL_HCMD_SCRATCHBUF_SIZE - copy_size; + +			if (copy > cmdlen[i]) +				copy = cmdlen[i]; +			cmdlen[i] -= copy; +			cmddata[i] += copy; +			copy_size += copy; +		} +  		if (cmd->dataflags[i] & IWL_HCMD_DFL_NOCOPY) {  			had_nocopy = true;  			if (WARN_ON(cmd->dataflags[i] & IWL_HCMD_DFL_DUP)) { @@ -1185,7 +1203,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,  				goto free_dup_buf;  			} -			dup_buf = kmemdup(cmd->data[i], cmd->len[i], +			dup_buf = kmemdup(cmddata[i], cmdlen[i],  					  GFP_ATOMIC);  			if (!dup_buf)  				return -ENOMEM; @@ -1195,7 +1213,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,  				idx = -EINVAL;  				goto free_dup_buf;  			} -			copy_size += cmd->len[i]; +			copy_size += cmdlen[i];  		}  		cmd_size += cmd->len[i];  	} @@ -1242,30 +1260,30 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,  	/* and copy the data that needs to be copied */  	cmd_pos = offsetof(struct iwl_device_cmd, payload); -	for (i = 0; i < IWL_MAX_CMD_TFDS; i++) { -		if (!cmd->len[i]) +	copy_size = sizeof(out_cmd->hdr); +	for (i = 0; i < IWL_MAX_CMD_TBS_PER_TFD; i++) { +		int copy = 0; + +		if (!cmd->len)  			continue; -		if (cmd->dataflags[i] & (IWL_HCMD_DFL_NOCOPY | -					 IWL_HCMD_DFL_DUP)) -			break; -		memcpy((u8 *)out_cmd + cmd_pos, cmd->data[i], cmd->len[i]); -		cmd_pos += cmd->len[i]; -	} -	WARN_ON_ONCE(txq->entries[idx].copy_cmd); +		/* need at least IWL_HCMD_SCRATCHBUF_SIZE copied */ +		if (copy_size < IWL_HCMD_SCRATCHBUF_SIZE) { +			copy = IWL_HCMD_SCRATCHBUF_SIZE - copy_size; -	/* -	 * since out_cmd will be the source address of the FH, it will write -	 * the retry count there. So when the user needs to receivce the HCMD -	 * that corresponds to the response in the response handler, it needs -	 * to set CMD_WANT_HCMD. -	 */ -	if (cmd->flags & CMD_WANT_HCMD) { -		txq->entries[idx].copy_cmd = -			kmemdup(out_cmd, cmd_pos, GFP_ATOMIC); -		if (unlikely(!txq->entries[idx].copy_cmd)) { -			idx = -ENOMEM; -			goto out; +			if (copy > cmd->len[i]) +				copy = cmd->len[i]; +		} + +		/* copy everything if not nocopy/dup */ +		if (!(cmd->dataflags[i] & (IWL_HCMD_DFL_NOCOPY | +					   IWL_HCMD_DFL_DUP))) +			copy = cmd->len[i]; + +		if (copy) { +			memcpy((u8 *)out_cmd + cmd_pos, cmd->data[i], copy); +			cmd_pos += copy; +			copy_size += copy;  		}  	} @@ -1275,22 +1293,35 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,  		     out_cmd->hdr.cmd, le16_to_cpu(out_cmd->hdr.sequence),  		     cmd_size, q->write_ptr, idx, trans_pcie->cmd_queue); -	phys_addr = dma_map_single(trans->dev, &out_cmd->hdr, copy_size, -				   DMA_BIDIRECTIONAL); -	if (unlikely(dma_mapping_error(trans->dev, phys_addr))) { -		idx = -ENOMEM; -		goto out; -	} +	/* start the TFD with the scratchbuf */ +	scratch_size = min_t(int, copy_size, IWL_HCMD_SCRATCHBUF_SIZE); +	memcpy(&txq->scratchbufs[q->write_ptr], &out_cmd->hdr, scratch_size); +	iwl_pcie_txq_build_tfd(trans, txq, +			       iwl_pcie_get_scratchbuf_dma(txq, q->write_ptr), +			       scratch_size, 1); -	dma_unmap_addr_set(out_meta, mapping, phys_addr); -	dma_unmap_len_set(out_meta, len, copy_size); +	/* map first command fragment, if any remains */ +	if (copy_size > scratch_size) { +		phys_addr = dma_map_single(trans->dev, +					   ((u8 *)&out_cmd->hdr) + scratch_size, +					   copy_size - scratch_size, +					   DMA_TO_DEVICE); +		if (dma_mapping_error(trans->dev, phys_addr)) { +			iwl_pcie_tfd_unmap(trans, out_meta, +					   &txq->tfds[q->write_ptr]); +			idx = -ENOMEM; +			goto out; +		} -	iwl_pcie_txq_build_tfd(trans, txq, phys_addr, copy_size, 1); +		iwl_pcie_txq_build_tfd(trans, txq, phys_addr, +				       copy_size - scratch_size, 0); +	} -	for (i = 0; i < IWL_MAX_CMD_TFDS; i++) { -		const void *data = cmd->data[i]; +	/* map the remaining (adjusted) nocopy/dup fragments */ +	for (i = 0; i < IWL_MAX_CMD_TBS_PER_TFD; i++) { +		const void *data = cmddata[i]; -		if (!cmd->len[i]) +		if (!cmdlen[i])  			continue;  		if (!(cmd->dataflags[i] & (IWL_HCMD_DFL_NOCOPY |  					   IWL_HCMD_DFL_DUP))) @@ -1298,16 +1329,15 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,  		if (cmd->dataflags[i] & IWL_HCMD_DFL_DUP)  			data = dup_buf;  		phys_addr = dma_map_single(trans->dev, (void *)data, -					   cmd->len[i], DMA_BIDIRECTIONAL); +					   cmdlen[i], DMA_TO_DEVICE);  		if (dma_mapping_error(trans->dev, phys_addr)) {  			iwl_pcie_tfd_unmap(trans, out_meta, -					   &txq->tfds[q->write_ptr], -					   DMA_BIDIRECTIONAL); +					   &txq->tfds[q->write_ptr]);  			idx = -ENOMEM;  			goto out;  		} -		iwl_pcie_txq_build_tfd(trans, txq, phys_addr, cmd->len[i], 0); +		iwl_pcie_txq_build_tfd(trans, txq, phys_addr, cmdlen[i], 0);  	}  	out_meta->flags = cmd->flags; @@ -1317,8 +1347,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,  	txq->need_update = 1; -	trace_iwlwifi_dev_hcmd(trans->dev, cmd, cmd_size, -			       &out_cmd->hdr, copy_size); +	trace_iwlwifi_dev_hcmd(trans->dev, cmd, cmd_size, &out_cmd->hdr);  	/* start timer if queue currently empty */  	if (q->read_ptr == q->write_ptr && trans_pcie->wd_timeout) @@ -1377,7 +1406,7 @@ void iwl_pcie_hcmd_complete(struct iwl_trans *trans,  	cmd = txq->entries[cmd_index].cmd;  	meta = &txq->entries[cmd_index].meta; -	iwl_pcie_tfd_unmap(trans, meta, &txq->tfds[index], DMA_BIDIRECTIONAL); +	iwl_pcie_tfd_unmap(trans, meta, &txq->tfds[index]);  	/* Input error checking is done when commands are added to queue. */  	if (meta->flags & CMD_WANT_SKB) { @@ -1556,10 +1585,9 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,  	struct iwl_cmd_meta *out_meta;  	struct iwl_txq *txq;  	struct iwl_queue *q; -	dma_addr_t phys_addr = 0; -	dma_addr_t txcmd_phys; -	dma_addr_t scratch_phys; -	u16 len, firstlen, secondlen; +	dma_addr_t tb0_phys, tb1_phys, scratch_phys; +	void *tb1_addr; +	u16 len, tb1_len, tb2_len;  	u8 wait_write_ptr = 0;  	__le16 fc = hdr->frame_control;  	u8 hdr_len = ieee80211_hdrlen(fc); @@ -1597,85 +1625,80 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,  		cpu_to_le16((u16)(QUEUE_TO_SEQ(txq_id) |  			    INDEX_TO_SEQ(q->write_ptr))); +	tb0_phys = iwl_pcie_get_scratchbuf_dma(txq, q->write_ptr); +	scratch_phys = tb0_phys + sizeof(struct iwl_cmd_header) + +		       offsetof(struct iwl_tx_cmd, scratch); + +	tx_cmd->dram_lsb_ptr = cpu_to_le32(scratch_phys); +	tx_cmd->dram_msb_ptr = iwl_get_dma_hi_addr(scratch_phys); +  	/* Set up first empty entry in queue's array of Tx/cmd buffers */  	out_meta = &txq->entries[q->write_ptr].meta;  	/* -	 * Use the first empty entry in this queue's command buffer array -	 * to contain the Tx command and MAC header concatenated together -	 * (payload data will be in another buffer). -	 * Size of this varies, due to varying MAC header length. -	 * If end is not dword aligned, we'll have 2 extra bytes at the end -	 * of the MAC header (device reads on dword boundaries). -	 * We'll tell device about this padding later. +	 * The second TB (tb1) points to the remainder of the TX command +	 * and the 802.11 header - dword aligned size +	 * (This calculation modifies the TX command, so do it before the +	 * setup of the first TB)  	 */ -	len = sizeof(struct iwl_tx_cmd) + -		sizeof(struct iwl_cmd_header) + hdr_len; -	firstlen = (len + 3) & ~3; +	len = sizeof(struct iwl_tx_cmd) + sizeof(struct iwl_cmd_header) + +	      hdr_len - IWL_HCMD_SCRATCHBUF_SIZE; +	tb1_len = (len + 3) & ~3;  	/* Tell NIC about any 2-byte padding after MAC header */ -	if (firstlen != len) +	if (tb1_len != len)  		tx_cmd->tx_flags |= TX_CMD_FLG_MH_PAD_MSK; -	/* Physical address of this Tx command's header (not MAC header!), -	 * within command buffer array. */ -	txcmd_phys = dma_map_single(trans->dev, -				    &dev_cmd->hdr, firstlen, -				    DMA_BIDIRECTIONAL); -	if (unlikely(dma_mapping_error(trans->dev, txcmd_phys))) -		goto out_err; -	dma_unmap_addr_set(out_meta, mapping, txcmd_phys); -	dma_unmap_len_set(out_meta, len, firstlen); +	/* The first TB points to the scratchbuf data - min_copy bytes */ +	memcpy(&txq->scratchbufs[q->write_ptr], &dev_cmd->hdr, +	       IWL_HCMD_SCRATCHBUF_SIZE); +	iwl_pcie_txq_build_tfd(trans, txq, tb0_phys, +			       IWL_HCMD_SCRATCHBUF_SIZE, 1); -	if (!ieee80211_has_morefrags(fc)) { -		txq->need_update = 1; -	} else { -		wait_write_ptr = 1; -		txq->need_update = 0; -	} +	/* there must be data left over for TB1 or this code must be changed */ +	BUILD_BUG_ON(sizeof(struct iwl_tx_cmd) < IWL_HCMD_SCRATCHBUF_SIZE); + +	/* map the data for TB1 */ +	tb1_addr = ((u8 *)&dev_cmd->hdr) + IWL_HCMD_SCRATCHBUF_SIZE; +	tb1_phys = dma_map_single(trans->dev, tb1_addr, tb1_len, DMA_TO_DEVICE); +	if (unlikely(dma_mapping_error(trans->dev, tb1_phys))) +		goto out_err; +	iwl_pcie_txq_build_tfd(trans, txq, tb1_phys, tb1_len, 0); -	/* Set up TFD's 2nd entry to point directly to remainder of skb, -	 * if any (802.11 null frames have no payload). */ -	secondlen = skb->len - hdr_len; -	if (secondlen > 0) { -		phys_addr = dma_map_single(trans->dev, skb->data + hdr_len, -					   secondlen, DMA_TO_DEVICE); -		if (unlikely(dma_mapping_error(trans->dev, phys_addr))) { -			dma_unmap_single(trans->dev, -					 dma_unmap_addr(out_meta, mapping), -					 dma_unmap_len(out_meta, len), -					 DMA_BIDIRECTIONAL); +	/* +	 * Set up TFD's third entry to point directly to remainder +	 * of skb, if any (802.11 null frames have no payload). +	 */ +	tb2_len = skb->len - hdr_len; +	if (tb2_len > 0) { +		dma_addr_t tb2_phys = dma_map_single(trans->dev, +						     skb->data + hdr_len, +						     tb2_len, DMA_TO_DEVICE); +		if (unlikely(dma_mapping_error(trans->dev, tb2_phys))) { +			iwl_pcie_tfd_unmap(trans, out_meta, +					   &txq->tfds[q->write_ptr]);  			goto out_err;  		} +		iwl_pcie_txq_build_tfd(trans, txq, tb2_phys, tb2_len, 0);  	} -	/* Attach buffers to TFD */ -	iwl_pcie_txq_build_tfd(trans, txq, txcmd_phys, firstlen, 1); -	if (secondlen > 0) -		iwl_pcie_txq_build_tfd(trans, txq, phys_addr, secondlen, 0); - -	scratch_phys = txcmd_phys + sizeof(struct iwl_cmd_header) + -				offsetof(struct iwl_tx_cmd, scratch); - -	/* take back ownership of DMA buffer to enable update */ -	dma_sync_single_for_cpu(trans->dev, txcmd_phys, firstlen, -				DMA_BIDIRECTIONAL); -	tx_cmd->dram_lsb_ptr = cpu_to_le32(scratch_phys); -	tx_cmd->dram_msb_ptr = iwl_get_dma_hi_addr(scratch_phys); -  	/* Set up entry for this TFD in Tx byte-count array */  	iwl_pcie_txq_update_byte_cnt_tbl(trans, txq, le16_to_cpu(tx_cmd->len)); -	dma_sync_single_for_device(trans->dev, txcmd_phys, firstlen, -				   DMA_BIDIRECTIONAL); -  	trace_iwlwifi_dev_tx(trans->dev, skb,  			     &txq->tfds[txq->q.write_ptr],  			     sizeof(struct iwl_tfd), -			     &dev_cmd->hdr, firstlen, -			     skb->data + hdr_len, secondlen); +			     &dev_cmd->hdr, IWL_HCMD_SCRATCHBUF_SIZE + tb1_len, +			     skb->data + hdr_len, tb2_len);  	trace_iwlwifi_dev_tx_data(trans->dev, skb, -				  skb->data + hdr_len, secondlen); +				  skb->data + hdr_len, tb2_len); + +	if (!ieee80211_has_morefrags(fc)) { +		txq->need_update = 1; +	} else { +		wait_write_ptr = 1; +		txq->need_update = 0; +	}  	/* start timer if queue currently empty */  	if (txq->need_update && q->read_ptr == q->write_ptr && diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c index 739309e70d8..45578335e42 100644 --- a/drivers/net/wireless/libertas/if_sdio.c +++ b/drivers/net/wireless/libertas/if_sdio.c @@ -825,6 +825,11 @@ static void if_sdio_finish_power_on(struct if_sdio_card *card)  	sdio_release_host(func); +	/* Set fw_ready before queuing any commands so that +	 * lbs_thread won't block from sending them to firmware. +	 */ +	priv->fw_ready = 1; +  	/*  	 * FUNC_INIT is required for SD8688 WLAN/BT multiple functions  	 */ @@ -839,7 +844,6 @@ static void if_sdio_finish_power_on(struct if_sdio_card *card)  			netdev_alert(priv->dev, "CMD_FUNC_INIT cmd failed\n");  	} -	priv->fw_ready = 1;  	wake_up(&card->pwron_waitq);  	if (!card->started) { diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c index 35c79722c36..5c395e2e6a2 100644 --- a/drivers/net/wireless/mwifiex/pcie.c +++ b/drivers/net/wireless/mwifiex/pcie.c @@ -302,7 +302,7 @@ static int mwifiex_pm_wakeup_card(struct mwifiex_adapter *adapter)  		i++;  		usleep_range(10, 20);  		/* 50ms max wait */ -		if (i == 50000) +		if (i == 5000)  			break;  	} diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index 1031db66474..189744db65e 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -1236,8 +1236,10 @@ static inline void rt2x00lib_set_if_combinations(struct rt2x00_dev *rt2x00dev)  	 */  	if_limit = &rt2x00dev->if_limits_ap;  	if_limit->max = rt2x00dev->ops->max_ap_intf; -	if_limit->types = BIT(NL80211_IFTYPE_AP) | -			BIT(NL80211_IFTYPE_MESH_POINT); +	if_limit->types = BIT(NL80211_IFTYPE_AP); +#ifdef CONFIG_MAC80211_MESH +	if_limit->types |= BIT(NL80211_IFTYPE_MESH_POINT); +#endif  	/*  	 * Build up AP interface combinations structure. @@ -1309,7 +1311,9 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)  		rt2x00dev->hw->wiphy->interface_modes |=  		    BIT(NL80211_IFTYPE_ADHOC) |  		    BIT(NL80211_IFTYPE_AP) | +#ifdef CONFIG_MAC80211_MESH  		    BIT(NL80211_IFTYPE_MESH_POINT) | +#endif  		    BIT(NL80211_IFTYPE_WDS);  	rt2x00dev->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c index 445ffda715a..7c12d9c2b23 100644 --- a/drivers/oprofile/oprofilefs.c +++ b/drivers/oprofile/oprofilefs.c @@ -276,6 +276,7 @@ static struct file_system_type oprofilefs_type = {  	.mount		= oprofilefs_mount,  	.kill_sb	= kill_litter_super,  }; +MODULE_ALIAS_FS("oprofilefs");  int __init oprofilefs_register(void) diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index 39c937f9b42..dee5dddaa29 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -331,8 +331,14 @@ static void pci_acpi_cleanup(struct device *dev)  	}  } +static bool pci_acpi_bus_match(struct device *dev) +{ +	return dev->bus == &pci_bus_type; +} +  static struct acpi_bus_type acpi_pci_bus = { -	.bus = &pci_bus_type, +	.name = "PCI", +	.match = pci_acpi_bus_match,  	.find_device = acpi_pci_find_device,  	.setup = pci_acpi_setup,  	.cleanup = pci_acpi_cleanup, diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c index 75933a6aa82..5cbadc9ad2e 100644 --- a/drivers/pinctrl/pinctrl-at91.c +++ b/drivers/pinctrl/pinctrl-at91.c @@ -18,6 +18,7 @@  #include <linux/interrupt.h>  #include <linux/irq.h>  #include <linux/irqdomain.h> +#include <linux/irqchip/chained_irq.h>  #include <linux/io.h>  #include <linux/gpio.h>  #include <linux/pinctrl/machine.h> @@ -27,8 +28,6 @@  /* Since we request GPIOs from ourself */  #include <linux/pinctrl/consumer.h> -#include <asm/mach/irq.h> -  #include <mach/hardware.h>  #include <mach/at91_pio.h> diff --git a/drivers/pinctrl/pinctrl-exynos.c b/drivers/pinctrl/pinctrl-exynos.c index 538b9ddaadf..7265e551ddd 100644 --- a/drivers/pinctrl/pinctrl-exynos.c +++ b/drivers/pinctrl/pinctrl-exynos.c @@ -23,13 +23,12 @@  #include <linux/interrupt.h>  #include <linux/irqdomain.h>  #include <linux/irq.h> +#include <linux/irqchip/chained_irq.h>  #include <linux/of_irq.h>  #include <linux/io.h>  #include <linux/slab.h>  #include <linux/err.h> -#include <asm/mach/irq.h> -  #include "pinctrl-samsung.h"  #include "pinctrl-exynos.h" diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c index 36d20293de5..93eba9715e6 100644 --- a/drivers/pinctrl/pinctrl-nomadik.c +++ b/drivers/pinctrl/pinctrl-nomadik.c @@ -23,6 +23,7 @@  #include <linux/interrupt.h>  #include <linux/irq.h>  #include <linux/irqdomain.h> +#include <linux/irqchip/chained_irq.h>  #include <linux/slab.h>  #include <linux/of_device.h>  #include <linux/of_address.h> @@ -33,7 +34,6 @@  /* Since we request GPIOs from ourself */  #include <linux/pinctrl/consumer.h>  #include <linux/platform_data/pinctrl-nomadik.h> -#include <asm/mach/irq.h>  #include "pinctrl-nomadik.h"  #include "core.h" diff --git a/drivers/pinctrl/pinctrl-sirf.c b/drivers/pinctrl/pinctrl-sirf.c index d02498b30c6..ab26b4b669d 100644 --- a/drivers/pinctrl/pinctrl-sirf.c +++ b/drivers/pinctrl/pinctrl-sirf.c @@ -14,6 +14,7 @@  #include <linux/slab.h>  #include <linux/err.h>  #include <linux/irqdomain.h> +#include <linux/irqchip/chained_irq.h>  #include <linux/pinctrl/pinctrl.h>  #include <linux/pinctrl/pinmux.h>  #include <linux/pinctrl/consumer.h> @@ -25,7 +26,6 @@  #include <linux/bitops.h>  #include <linux/gpio.h>  #include <linux/of_gpio.h> -#include <asm/mach/irq.h>  #define DRIVER_NAME "pinmux-sirf" diff --git a/drivers/pinctrl/spear/pinctrl-plgpio.c b/drivers/pinctrl/spear/pinctrl-plgpio.c index 295b349a05c..a4908ecd74f 100644 --- a/drivers/pinctrl/spear/pinctrl-plgpio.c +++ b/drivers/pinctrl/spear/pinctrl-plgpio.c @@ -15,12 +15,12 @@  #include <linux/io.h>  #include <linux/irq.h>  #include <linux/irqdomain.h> +#include <linux/irqchip/chained_irq.h>  #include <linux/module.h>  #include <linux/pinctrl/consumer.h>  #include <linux/platform_device.h>  #include <linux/pm.h>  #include <linux/spinlock.h> -#include <asm/mach/irq.h>  #define MAX_GPIO_PER_REG		32  #define PIN_OFFSET(pin)			(pin % MAX_GPIO_PER_REG) diff --git a/drivers/platform/x86/chromeos_laptop.c b/drivers/platform/x86/chromeos_laptop.c index 93d66809355..3e5b4497a1d 100644 --- a/drivers/platform/x86/chromeos_laptop.c +++ b/drivers/platform/x86/chromeos_laptop.c @@ -23,6 +23,9 @@  #include <linux/dmi.h>  #include <linux/i2c.h> +#include <linux/i2c/atmel_mxt_ts.h> +#include <linux/input.h> +#include <linux/interrupt.h>  #include <linux/module.h>  #define ATMEL_TP_I2C_ADDR	0x4b @@ -67,15 +70,49 @@ static struct i2c_board_info __initdata tsl2563_als_device = {  	I2C_BOARD_INFO("tsl2563", TAOS_ALS_I2C_ADDR),  }; +static struct mxt_platform_data atmel_224s_tp_platform_data = { +	.x_line			= 18, +	.y_line			= 12, +	.x_size			= 102*20, +	.y_size			= 68*20, +	.blen			= 0x80,	/* Gain setting is in upper 4 bits */ +	.threshold		= 0x32, +	.voltage		= 0,	/* 3.3V */ +	.orient			= MXT_VERTICAL_FLIP, +	.irqflags		= IRQF_TRIGGER_FALLING, +	.is_tp			= true, +	.key_map		= { KEY_RESERVED, +				    KEY_RESERVED, +				    KEY_RESERVED, +				    BTN_LEFT }, +	.config			= NULL, +	.config_length		= 0, +}; +  static struct i2c_board_info __initdata atmel_224s_tp_device = {  	I2C_BOARD_INFO("atmel_mxt_tp", ATMEL_TP_I2C_ADDR), -	.platform_data = NULL, +	.platform_data = &atmel_224s_tp_platform_data,  	.flags		= I2C_CLIENT_WAKE,  }; +static struct mxt_platform_data atmel_1664s_platform_data = { +	.x_line			= 32, +	.y_line			= 50, +	.x_size			= 1700, +	.y_size			= 2560, +	.blen			= 0x89,	/* Gain setting is in upper 4 bits */ +	.threshold		= 0x28, +	.voltage		= 0,	/* 3.3V */ +	.orient			= MXT_ROTATED_90_COUNTER, +	.irqflags		= IRQF_TRIGGER_FALLING, +	.is_tp			= false, +	.config			= NULL, +	.config_length		= 0, +}; +  static struct i2c_board_info __initdata atmel_1664s_device = {  	I2C_BOARD_INFO("atmel_mxt_ts", ATMEL_TS_I2C_ADDR), -	.platform_data = NULL, +	.platform_data = &atmel_1664s_platform_data,  	.flags		= I2C_CLIENT_WAKE,  }; diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c index 8813fc03aa0..55cd459a390 100644 --- a/drivers/pnp/pnpacpi/core.c +++ b/drivers/pnp/pnpacpi/core.c @@ -353,8 +353,14 @@ static int __init acpi_pnp_find_device(struct device *dev, acpi_handle * handle)  /* complete initialization of a PNPACPI device includes having   * pnpdev->dev.archdata.acpi_handle point to its ACPI sibling.   */ +static bool acpi_pnp_bus_match(struct device *dev) +{ +	return dev->bus == &pnp_bus_type; +} +  static struct acpi_bus_type __initdata acpi_pnp_bus = { -	.bus	     = &pnp_bus_type, +	.name	     = "PNP", +	.match	     = acpi_pnp_bus_match,  	.find_device = acpi_pnp_find_device,  }; diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index da9782bd27d..e3661c20cf3 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -2830,7 +2830,7 @@ EXPORT_SYMBOL_GPL(regulator_get_bypass_regmap);   * regulator_allow_bypass - allow the regulator to go into bypass mode   *   * @regulator: Regulator to configure - * @allow: enable or disable bypass mode + * @enable: enable or disable bypass mode   *   * Allow the regulator to go into bypass mode if all other consumers   * for the regulator also enable bypass mode and the machine @@ -3057,9 +3057,13 @@ int regulator_bulk_enable(int num_consumers,  	return 0;  err: -	pr_err("Failed to enable %s: %d\n", consumers[i].supply, ret); -	while (--i >= 0) -		regulator_disable(consumers[i].consumer); +	for (i = 0; i < num_consumers; i++) { +		if (consumers[i].ret < 0) +			pr_err("Failed to enable %s: %d\n", consumers[i].supply, +			       consumers[i].ret); +		else +			regulator_disable(consumers[i].consumer); +	}  	return ret;  } diff --git a/drivers/regulator/db8500-prcmu.c b/drivers/regulator/db8500-prcmu.c index 219d162b651..a53c11a529d 100644 --- a/drivers/regulator/db8500-prcmu.c +++ b/drivers/regulator/db8500-prcmu.c @@ -528,7 +528,7 @@ static int db8500_regulator_probe(struct platform_device *pdev)  	return 0;  } -static int __exit db8500_regulator_remove(struct platform_device *pdev) +static int db8500_regulator_remove(struct platform_device *pdev)  {  	int i; @@ -553,7 +553,7 @@ static struct platform_driver db8500_regulator_driver = {  		.owner = THIS_MODULE,  	},  	.probe = db8500_regulator_probe, -	.remove = __exit_p(db8500_regulator_remove), +	.remove = db8500_regulator_remove,  };  static int __init db8500_regulator_init(void) diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c index cde13bb5a8f..39cf1460678 100644 --- a/drivers/regulator/palmas-regulator.c +++ b/drivers/regulator/palmas-regulator.c @@ -4,6 +4,7 @@   * Copyright 2011-2012 Texas Instruments Inc.   *   * Author: Graeme Gregory <gg@slimlogic.co.uk> + * Author: Ian Lartey <ian@slimlogic.co.uk>   *   *  This program is free software; you can redistribute it and/or modify it   *  under  the terms of the GNU General  Public License as published by the @@ -156,7 +157,7 @@ static const struct regs_info palmas_regs_info[] = {   *   * So they are basically (maxV-minV)/stepV   */ -#define PALMAS_SMPS_NUM_VOLTAGES	116 +#define PALMAS_SMPS_NUM_VOLTAGES	117  #define PALMAS_SMPS10_NUM_VOLTAGES	2  #define PALMAS_LDO_NUM_VOLTAGES		50 diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c index 74508cc62d6..f705d25b437 100644 --- a/drivers/regulator/twl-regulator.c +++ b/drivers/regulator/twl-regulator.c @@ -471,24 +471,23 @@ twl4030ldo_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)  			    selector);  } -static int twl4030ldo_get_voltage(struct regulator_dev *rdev) +static int twl4030ldo_get_voltage_sel(struct regulator_dev *rdev)  {  	struct twlreg_info	*info = rdev_get_drvdata(rdev); -	int		vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER, -								VREG_VOLTAGE); +	int vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE);  	if (vsel < 0)  		return vsel;  	vsel &= info->table_len - 1; -	return LDO_MV(info->table[vsel]) * 1000; +	return vsel;  }  static struct regulator_ops twl4030ldo_ops = {  	.list_voltage	= twl4030ldo_list_voltage,  	.set_voltage_sel = twl4030ldo_set_voltage_sel, -	.get_voltage	= twl4030ldo_get_voltage, +	.get_voltage_sel = twl4030ldo_get_voltage_sel,  	.enable		= twl4030reg_enable,  	.disable	= twl4030reg_disable, diff --git a/drivers/rtc/rtc-mv.c b/drivers/rtc/rtc-mv.c index 57233c88599..8f87fec27ce 100644 --- a/drivers/rtc/rtc-mv.c +++ b/drivers/rtc/rtc-mv.c @@ -14,6 +14,7 @@  #include <linux/platform_device.h>  #include <linux/of.h>  #include <linux/delay.h> +#include <linux/clk.h>  #include <linux/gfp.h>  #include <linux/module.h> @@ -41,6 +42,7 @@ struct rtc_plat_data {  	struct rtc_device *rtc;  	void __iomem *ioaddr;  	int		irq; +	struct clk	*clk;  };  static int mv_rtc_set_time(struct device *dev, struct rtc_time *tm) @@ -221,6 +223,7 @@ static int mv_rtc_probe(struct platform_device *pdev)  	struct rtc_plat_data *pdata;  	resource_size_t size;  	u32 rtc_time; +	int ret = 0;  	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);  	if (!res) @@ -239,11 +242,17 @@ static int mv_rtc_probe(struct platform_device *pdev)  	if (!pdata->ioaddr)  		return -ENOMEM; +	pdata->clk = devm_clk_get(&pdev->dev, NULL); +	/* Not all SoCs require a clock.*/ +	if (!IS_ERR(pdata->clk)) +		clk_prepare_enable(pdata->clk); +  	/* make sure the 24 hours mode is enabled */  	rtc_time = readl(pdata->ioaddr + RTC_TIME_REG_OFFS);  	if (rtc_time & RTC_HOURS_12H_MODE) {  		dev_err(&pdev->dev, "24 Hours mode not supported.\n"); -		return -EINVAL; +		ret = -EINVAL; +		goto out;  	}  	/* make sure it is actually functional */ @@ -252,7 +261,8 @@ static int mv_rtc_probe(struct platform_device *pdev)  		rtc_time = readl(pdata->ioaddr + RTC_TIME_REG_OFFS);  		if (rtc_time == 0x01000000) {  			dev_err(&pdev->dev, "internal RTC not ticking\n"); -			return -ENODEV; +			ret = -ENODEV; +			goto out;  		}  	} @@ -268,8 +278,10 @@ static int mv_rtc_probe(struct platform_device *pdev)  	} else  		pdata->rtc = rtc_device_register(pdev->name, &pdev->dev,  						 &mv_rtc_ops, THIS_MODULE); -	if (IS_ERR(pdata->rtc)) -		return PTR_ERR(pdata->rtc); +	if (IS_ERR(pdata->rtc)) { +		ret = PTR_ERR(pdata->rtc); +		goto out; +	}  	if (pdata->irq >= 0) {  		writel(0, pdata->ioaddr + RTC_ALARM_INTERRUPT_MASK_REG_OFFS); @@ -282,6 +294,11 @@ static int mv_rtc_probe(struct platform_device *pdev)  	}  	return 0; +out: +	if (!IS_ERR(pdata->clk)) +		clk_disable_unprepare(pdata->clk); + +	return ret;  }  static int __exit mv_rtc_remove(struct platform_device *pdev) @@ -292,6 +309,9 @@ static int __exit mv_rtc_remove(struct platform_device *pdev)  		device_init_wakeup(&pdev->dev, 0);  	rtc_device_unregister(pdata->rtc); +	if (!IS_ERR(pdata->clk)) +		clk_disable_unprepare(pdata->clk); +  	return 0;  } diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 765398c063c..c31187d7934 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -71,9 +71,14 @@ struct kmem_cache *scsi_sdb_cache;  #ifdef CONFIG_ACPI  #include <acpi/acpi_bus.h> +static bool acpi_scsi_bus_match(struct device *dev) +{ +	return dev->bus == &scsi_bus_type; +} +  int scsi_register_acpi_bus_type(struct acpi_bus_type *bus)  { -        bus->bus = &scsi_bus_type; +        bus->match = acpi_scsi_bus_match;          return register_acpi_bus_type(bus);  }  EXPORT_SYMBOL_GPL(scsi_register_acpi_bus_type); diff --git a/drivers/staging/ccg/f_fs.c b/drivers/staging/ccg/f_fs.c index 8adc79d1b40..f6373dade7f 100644 --- a/drivers/staging/ccg/f_fs.c +++ b/drivers/staging/ccg/f_fs.c @@ -1223,6 +1223,7 @@ static struct file_system_type ffs_fs_type = {  	.mount		= ffs_fs_mount,  	.kill_sb	= ffs_fs_kill_sb,  }; +MODULE_ALIAS_FS("functionfs");  /* Driver's main init/cleanup functions *************************************/ diff --git a/drivers/staging/comedi/drivers/dt9812.c b/drivers/staging/comedi/drivers/dt9812.c index 192cf088f83..57b45190479 100644 --- a/drivers/staging/comedi/drivers/dt9812.c +++ b/drivers/staging/comedi/drivers/dt9812.c @@ -947,12 +947,13 @@ static int dt9812_di_rinsn(struct comedi_device *dev,  			   unsigned int *data)  {  	struct comedi_dt9812 *devpriv = dev->private; +	unsigned int channel = CR_CHAN(insn->chanspec);  	int n;  	u8 bits = 0;  	dt9812_digital_in(devpriv->slot, &bits);  	for (n = 0; n < insn->n; n++) -		data[n] = ((1 << insn->chanspec) & bits) != 0; +		data[n] = ((1 << channel) & bits) != 0;  	return n;  } @@ -961,12 +962,13 @@ static int dt9812_do_winsn(struct comedi_device *dev,  			   unsigned int *data)  {  	struct comedi_dt9812 *devpriv = dev->private; +	unsigned int channel = CR_CHAN(insn->chanspec);  	int n;  	u8 bits = 0;  	dt9812_digital_out_shadow(devpriv->slot, &bits);  	for (n = 0; n < insn->n; n++) { -		u8 mask = 1 << insn->chanspec; +		u8 mask = 1 << channel;  		bits &= ~mask;  		if (data[n]) @@ -981,13 +983,13 @@ static int dt9812_ai_rinsn(struct comedi_device *dev,  			   unsigned int *data)  {  	struct comedi_dt9812 *devpriv = dev->private; +	unsigned int channel = CR_CHAN(insn->chanspec);  	int n;  	for (n = 0; n < insn->n; n++) {  		u16 value = 0; -		dt9812_analog_in(devpriv->slot, insn->chanspec, &value, -				 DT9812_GAIN_1); +		dt9812_analog_in(devpriv->slot, channel, &value, DT9812_GAIN_1);  		data[n] = value;  	}  	return n; @@ -998,12 +1000,13 @@ static int dt9812_ao_rinsn(struct comedi_device *dev,  			   unsigned int *data)  {  	struct comedi_dt9812 *devpriv = dev->private; +	unsigned int channel = CR_CHAN(insn->chanspec);  	int n;  	u16 value;  	for (n = 0; n < insn->n; n++) {  		value = 0; -		dt9812_analog_out_shadow(devpriv->slot, insn->chanspec, &value); +		dt9812_analog_out_shadow(devpriv->slot, channel, &value);  		data[n] = value;  	}  	return n; @@ -1014,10 +1017,11 @@ static int dt9812_ao_winsn(struct comedi_device *dev,  			   unsigned int *data)  {  	struct comedi_dt9812 *devpriv = dev->private; +	unsigned int channel = CR_CHAN(insn->chanspec);  	int n;  	for (n = 0; n < insn->n; n++) -		dt9812_analog_out(devpriv->slot, insn->chanspec, data[n]); +		dt9812_analog_out(devpriv->slot, channel, data[n]);  	return n;  } diff --git a/drivers/staging/comedi/drivers/usbdux.c b/drivers/staging/comedi/drivers/usbdux.c index 1a0062a0445..6aac1f60bc4 100644 --- a/drivers/staging/comedi/drivers/usbdux.c +++ b/drivers/staging/comedi/drivers/usbdux.c @@ -730,10 +730,14 @@ static void usbduxsub_ao_IsocIrq(struct urb *urb)  static int usbduxsub_start(struct usbduxsub *usbduxsub)  {  	int errcode = 0; -	uint8_t local_transfer_buffer[16]; +	uint8_t *local_transfer_buffer; + +	local_transfer_buffer = kmalloc(1, GFP_KERNEL); +	if (!local_transfer_buffer) +		return -ENOMEM;  	/* 7f92 to zero */ -	local_transfer_buffer[0] = 0; +	*local_transfer_buffer = 0;  	errcode = usb_control_msg(usbduxsub->usbdev,  				  /* create a pipe for a control transfer */  				  usb_sndctrlpipe(usbduxsub->usbdev, 0), @@ -751,22 +755,25 @@ static int usbduxsub_start(struct usbduxsub *usbduxsub)  				  1,  				  /* Timeout */  				  BULK_TIMEOUT); -	if (errcode < 0) { +	if (errcode < 0)  		dev_err(&usbduxsub->interface->dev,  			"comedi_: control msg failed (start)\n"); -		return errcode; -	} -	return 0; + +	kfree(local_transfer_buffer); +	return errcode;  }  static int usbduxsub_stop(struct usbduxsub *usbduxsub)  {  	int errcode = 0; +	uint8_t *local_transfer_buffer; -	uint8_t local_transfer_buffer[16]; +	local_transfer_buffer = kmalloc(1, GFP_KERNEL); +	if (!local_transfer_buffer) +		return -ENOMEM;  	/* 7f92 to one */ -	local_transfer_buffer[0] = 1; +	*local_transfer_buffer = 1;  	errcode = usb_control_msg(usbduxsub->usbdev,  				  usb_sndctrlpipe(usbduxsub->usbdev, 0),  				  /* bRequest, "Firmware" */ @@ -781,12 +788,12 @@ static int usbduxsub_stop(struct usbduxsub *usbduxsub)  				  1,  				  /* Timeout */  				  BULK_TIMEOUT); -	if (errcode < 0) { +	if (errcode < 0)  		dev_err(&usbduxsub->interface->dev,  			"comedi_: control msg failed (stop)\n"); -		return errcode; -	} -	return 0; + +	kfree(local_transfer_buffer); +	return errcode;  }  static int usbduxsub_upload(struct usbduxsub *usbduxsub, diff --git a/drivers/staging/comedi/drivers/usbduxfast.c b/drivers/staging/comedi/drivers/usbduxfast.c index 4bf5dd094dc..1ba0e3df492 100644 --- a/drivers/staging/comedi/drivers/usbduxfast.c +++ b/drivers/staging/comedi/drivers/usbduxfast.c @@ -436,10 +436,14 @@ static void usbduxfastsub_ai_Irq(struct urb *urb)  static int usbduxfastsub_start(struct usbduxfastsub_s *udfs)  {  	int ret; -	unsigned char local_transfer_buffer[16]; +	unsigned char *local_transfer_buffer; + +	local_transfer_buffer = kmalloc(1, GFP_KERNEL); +	if (!local_transfer_buffer) +		return -ENOMEM;  	/* 7f92 to zero */ -	local_transfer_buffer[0] = 0; +	*local_transfer_buffer = 0;  	/* bRequest, "Firmware" */  	ret = usb_control_msg(udfs->usbdev, usb_sndctrlpipe(udfs->usbdev, 0),  			      USBDUXFASTSUB_FIRMWARE, @@ -450,22 +454,25 @@ static int usbduxfastsub_start(struct usbduxfastsub_s *udfs)  			      local_transfer_buffer,  			      1,      /* Length */  			      EZTIMEOUT);    /* Timeout */ -	if (ret < 0) { +	if (ret < 0)  		dev_err(&udfs->interface->dev,  			"control msg failed (start)\n"); -		return ret; -	} -	return 0; +	kfree(local_transfer_buffer); +	return ret;  }  static int usbduxfastsub_stop(struct usbduxfastsub_s *udfs)  {  	int ret; -	unsigned char local_transfer_buffer[16]; +	unsigned char *local_transfer_buffer; + +	local_transfer_buffer = kmalloc(1, GFP_KERNEL); +	if (!local_transfer_buffer) +		return -ENOMEM;  	/* 7f92 to one */ -	local_transfer_buffer[0] = 1; +	*local_transfer_buffer = 1;  	/* bRequest, "Firmware" */  	ret = usb_control_msg(udfs->usbdev, usb_sndctrlpipe(udfs->usbdev, 0),  			      USBDUXFASTSUB_FIRMWARE, @@ -474,13 +481,12 @@ static int usbduxfastsub_stop(struct usbduxfastsub_s *udfs)  			      0x0000,	/* Index */  			      local_transfer_buffer, 1,	/* Length */  			      EZTIMEOUT);	/* Timeout */ -	if (ret < 0) { +	if (ret < 0)  		dev_err(&udfs->interface->dev,  			"control msg failed (stop)\n"); -		return ret; -	} -	return 0; +	kfree(local_transfer_buffer); +	return ret;  }  static int usbduxfastsub_upload(struct usbduxfastsub_s *udfs, diff --git a/drivers/staging/comedi/drivers/usbduxsigma.c b/drivers/staging/comedi/drivers/usbduxsigma.c index d066351a71b..a728c8fc32a 100644 --- a/drivers/staging/comedi/drivers/usbduxsigma.c +++ b/drivers/staging/comedi/drivers/usbduxsigma.c @@ -681,7 +681,11 @@ static void usbduxsub_ao_IsocIrq(struct urb *urb)  static int usbduxsub_start(struct usbduxsub *usbduxsub)  {  	int errcode = 0; -	uint8_t local_transfer_buffer[16]; +	uint8_t *local_transfer_buffer; + +	local_transfer_buffer = kmalloc(16, GFP_KERNEL); +	if (!local_transfer_buffer) +		return -ENOMEM;  	/* 7f92 to zero */  	local_transfer_buffer[0] = 0; @@ -702,19 +706,22 @@ static int usbduxsub_start(struct usbduxsub *usbduxsub)  				  1,  				  /* Timeout */  				  BULK_TIMEOUT); -	if (errcode < 0) { +	if (errcode < 0)  		dev_err(&usbduxsub->interface->dev,  			"comedi_: control msg failed (start)\n"); -		return errcode; -	} -	return 0; + +	kfree(local_transfer_buffer); +	return errcode;  }  static int usbduxsub_stop(struct usbduxsub *usbduxsub)  {  	int errcode = 0; +	uint8_t *local_transfer_buffer; -	uint8_t local_transfer_buffer[16]; +	local_transfer_buffer = kmalloc(16, GFP_KERNEL); +	if (!local_transfer_buffer) +		return -ENOMEM;  	/* 7f92 to one */  	local_transfer_buffer[0] = 1; @@ -732,12 +739,12 @@ static int usbduxsub_stop(struct usbduxsub *usbduxsub)  				  1,  				  /* Timeout */  				  BULK_TIMEOUT); -	if (errcode < 0) { +	if (errcode < 0)  		dev_err(&usbduxsub->interface->dev,  			"comedi_: control msg failed (stop)\n"); -		return errcode; -	} -	return 0; + +	kfree(local_transfer_buffer); +	return errcode;  }  static int usbduxsub_upload(struct usbduxsub *usbduxsub, diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-common.c b/drivers/staging/imx-drm/ipu-v3/ipu-common.c index 366f259e375..6efe4e1b499 100644 --- a/drivers/staging/imx-drm/ipu-v3/ipu-common.c +++ b/drivers/staging/imx-drm/ipu-v3/ipu-common.c @@ -25,8 +25,8 @@  #include <linux/clk.h>  #include <linux/list.h>  #include <linux/irq.h> +#include <linux/irqchip/chained_irq.h>  #include <linux/of_device.h> -#include <asm/mach/irq.h>  #include "imx-ipu-v3.h"  #include "ipu-prv.h" diff --git a/drivers/staging/imx-drm/ipuv3-crtc.c b/drivers/staging/imx-drm/ipuv3-crtc.c index 4b3a019409b..b028b0d1317 100644 --- a/drivers/staging/imx-drm/ipuv3-crtc.c +++ b/drivers/staging/imx-drm/ipuv3-crtc.c @@ -483,17 +483,6 @@ static int ipu_get_resources(struct ipu_crtc *ipu_crtc,  		goto err_out;  	} -	ipu_crtc->irq = ipu_idmac_channel_irq(ipu, ipu_crtc->ipu_ch, -			IPU_IRQ_EOF); -	ret = devm_request_irq(ipu_crtc->dev, ipu_crtc->irq, ipu_irq_handler, 0, -			"imx_drm", ipu_crtc); -	if (ret < 0) { -		dev_err(ipu_crtc->dev, "irq request failed with %d.\n", ret); -		goto err_out; -	} - -	disable_irq(ipu_crtc->irq); -  	return 0;  err_out:  	ipu_put_resources(ipu_crtc); @@ -504,6 +493,7 @@ err_out:  static int ipu_crtc_init(struct ipu_crtc *ipu_crtc,  		struct ipu_client_platformdata *pdata)  { +	struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent);  	int ret;  	ret = ipu_get_resources(ipu_crtc, pdata); @@ -522,6 +512,17 @@ static int ipu_crtc_init(struct ipu_crtc *ipu_crtc,  		goto err_put_resources;  	} +	ipu_crtc->irq = ipu_idmac_channel_irq(ipu, ipu_crtc->ipu_ch, +			IPU_IRQ_EOF); +	ret = devm_request_irq(ipu_crtc->dev, ipu_crtc->irq, ipu_irq_handler, 0, +			"imx_drm", ipu_crtc); +	if (ret < 0) { +		dev_err(ipu_crtc->dev, "irq request failed with %d.\n", ret); +		goto err_put_resources; +	} + +	disable_irq(ipu_crtc->irq); +  	return 0;  err_put_resources: diff --git a/drivers/staging/tidspbridge/rmgr/drv.c b/drivers/staging/tidspbridge/rmgr/drv.c index db1da28cecb..be26917a689 100644 --- a/drivers/staging/tidspbridge/rmgr/drv.c +++ b/drivers/staging/tidspbridge/rmgr/drv.c @@ -76,37 +76,28 @@ int drv_insert_node_res_element(void *hnode, void *node_resource,  	struct node_res_object **node_res_obj =  	    (struct node_res_object **)node_resource;  	struct process_context *ctxt = (struct process_context *)process_ctxt; -	int status = 0;  	int retval;  	*node_res_obj = kzalloc(sizeof(struct node_res_object), GFP_KERNEL); -	if (!*node_res_obj) { -		status = -ENOMEM; -		goto func_end; -	} +	if (!*node_res_obj) +		return -ENOMEM;  	(*node_res_obj)->node = hnode; -	retval = idr_get_new(ctxt->node_id, *node_res_obj, -						&(*node_res_obj)->id); -	if (retval == -EAGAIN) { -		if (!idr_pre_get(ctxt->node_id, GFP_KERNEL)) { -			pr_err("%s: OUT OF MEMORY\n", __func__); -			status = -ENOMEM; -			goto func_end; -		} - -		retval = idr_get_new(ctxt->node_id, *node_res_obj, -						&(*node_res_obj)->id); +	retval = idr_alloc(ctxt->node_id, *node_res_obj, 0, 0, GFP_KERNEL); +	if (retval >= 0) { +		(*node_res_obj)->id = retval; +		return 0;  	} -	if (retval) { + +	kfree(*node_res_obj); + +	if (retval == -ENOSPC) {  		pr_err("%s: FAILED, IDR is FULL\n", __func__); -		status = -EFAULT; +		return -EFAULT; +	} else { +		pr_err("%s: OUT OF MEMORY\n", __func__); +		return -ENOMEM;  	} -func_end: -	if (status) -		kfree(*node_res_obj); - -	return status;  }  /* Release all Node resources and its context @@ -201,35 +192,26 @@ int drv_proc_insert_strm_res_element(void *stream_obj,  	struct strm_res_object **pstrm_res =  	    (struct strm_res_object **)strm_res;  	struct process_context *ctxt = (struct process_context *)process_ctxt; -	int status = 0;  	int retval;  	*pstrm_res = kzalloc(sizeof(struct strm_res_object), GFP_KERNEL); -	if (*pstrm_res == NULL) { -		status = -EFAULT; -		goto func_end; -	} +	if (*pstrm_res == NULL) +		return -EFAULT;  	(*pstrm_res)->stream = stream_obj; -	retval = idr_get_new(ctxt->stream_id, *pstrm_res, -						&(*pstrm_res)->id); -	if (retval == -EAGAIN) { -		if (!idr_pre_get(ctxt->stream_id, GFP_KERNEL)) { -			pr_err("%s: OUT OF MEMORY\n", __func__); -			status = -ENOMEM; -			goto func_end; -		} - -		retval = idr_get_new(ctxt->stream_id, *pstrm_res, -						&(*pstrm_res)->id); +	retval = idr_alloc(ctxt->stream_id, *pstrm_res, 0, 0, GFP_KERNEL); +	if (retval >= 0) { +		(*pstrm_res)->id = retval; +		return 0;  	} -	if (retval) { + +	if (retval == -ENOSPC) {  		pr_err("%s: FAILED, IDR is FULL\n", __func__); -		status = -EPERM; +		return -EPERM; +	} else { +		pr_err("%s: OUT OF MEMORY\n", __func__); +		return -ENOMEM;  	} - -func_end: -	return status;  }  static int drv_proc_free_strm_res(int id, void *p, void *process_ctxt) diff --git a/drivers/staging/vt6656/card.c b/drivers/staging/vt6656/card.c index 22918a106d7..d2479b76645 100644 --- a/drivers/staging/vt6656/card.c +++ b/drivers/staging/vt6656/card.c @@ -790,7 +790,7 @@ u64 CARDqGetNextTBTT(u64 qwTSF, WORD wBeaconInterval)  	if ((~uLowNextTBTT) < uLowRemain)  		qwTSF = ((qwTSF >> 32) + 1) << 32; -	qwTSF = (qwTSF & 0xffffffff00000000UL) | +	qwTSF = (qwTSF & 0xffffffff00000000ULL) |  		(u64)(uLowNextTBTT + uLowRemain);      return (qwTSF); diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c index d5f53e1a74a..a5063a6f64d 100644 --- a/drivers/staging/vt6656/main_usb.c +++ b/drivers/staging/vt6656/main_usb.c @@ -669,8 +669,6 @@ static int vt6656_suspend(struct usb_interface *intf, pm_message_t message)  	if (device->flags & DEVICE_FLAGS_OPENED)  		device_close(device->dev); -	usb_put_dev(interface_to_usbdev(intf)); -  	return 0;  } @@ -681,8 +679,6 @@ static int vt6656_resume(struct usb_interface *intf)  	if (!device || !device->dev)  		return -ENODEV; -	usb_get_dev(interface_to_usbdev(intf)); -  	if (!(device->flags & DEVICE_FLAGS_OPENED))  		device_open(device->dev); diff --git a/drivers/staging/zcache/ramster/tcp.c b/drivers/staging/zcache/ramster/tcp.c index aa2a1a763aa..f6e1e5209d8 100644 --- a/drivers/staging/zcache/ramster/tcp.c +++ b/drivers/staging/zcache/ramster/tcp.c @@ -300,27 +300,22 @@ static u8 r2net_num_from_nn(struct r2net_node *nn)  static int r2net_prep_nsw(struct r2net_node *nn, struct r2net_status_wait *nsw)  { -	int ret = 0; +	int ret; -	do { -		if (!idr_pre_get(&nn->nn_status_idr, GFP_ATOMIC)) { -			ret = -EAGAIN; -			break; -		} -		spin_lock(&nn->nn_lock); -		ret = idr_get_new(&nn->nn_status_idr, nsw, &nsw->ns_id); -		if (ret == 0) -			list_add_tail(&nsw->ns_node_item, -				      &nn->nn_status_list); -		spin_unlock(&nn->nn_lock); -	} while (ret == -EAGAIN); +	spin_lock(&nn->nn_lock); +	ret = idr_alloc(&nn->nn_status_idr, nsw, 0, 0, GFP_ATOMIC); +	if (ret >= 0) { +		nsw->ns_id = ret; +		list_add_tail(&nsw->ns_node_item, &nn->nn_status_list); +	} +	spin_unlock(&nn->nn_lock); -	if (ret == 0)  { +	if (ret >= 0) {  		init_waitqueue_head(&nsw->ns_wq);  		nsw->ns_sys_status = R2NET_ERR_NONE;  		nsw->ns_status = 0; +		return 0;  	} -  	return ret;  } diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c index 1956593ee89..81e939e90c4 100644 --- a/drivers/tty/hvc/hvcs.c +++ b/drivers/tty/hvc/hvcs.c @@ -881,17 +881,12 @@ static struct vio_driver hvcs_vio_driver = {  /* Only called from hvcs_get_pi please */  static void hvcs_set_pi(struct hvcs_partner_info *pi, struct hvcs_struct *hvcsd)  { -	int clclength; -  	hvcsd->p_unit_address = pi->unit_address;  	hvcsd->p_partition_ID  = pi->partition_ID; -	clclength = strlen(&pi->location_code[0]); -	if (clclength > HVCS_CLC_LENGTH) -		clclength = HVCS_CLC_LENGTH;  	/* copy the null-term char too */ -	strncpy(&hvcsd->p_location_code[0], -			&pi->location_code[0], clclength + 1); +	strlcpy(&hvcsd->p_location_code[0], +			&pi->location_code[0], sizeof(hvcsd->p_location_code));  }  /* diff --git a/drivers/tty/serial/8250/8250.c b/drivers/tty/serial/8250/8250.c index 0efc815a496..cf6a5383748 100644 --- a/drivers/tty/serial/8250/8250.c +++ b/drivers/tty/serial/8250/8250.c @@ -301,7 +301,28 @@ static const struct serial8250_config uart_config[] = {  	},  	[PORT_8250_CIR] = {  		.name		= "CIR port" -	} +	}, +	[PORT_ALTR_16550_F32] = { +		.name		= "Altera 16550 FIFO32", +		.fifo_size	= 32, +		.tx_loadsz	= 32, +		.fcr		= UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10, +		.flags		= UART_CAP_FIFO | UART_CAP_AFE, +	}, +	[PORT_ALTR_16550_F64] = { +		.name		= "Altera 16550 FIFO64", +		.fifo_size	= 64, +		.tx_loadsz	= 64, +		.fcr		= UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10, +		.flags		= UART_CAP_FIFO | UART_CAP_AFE, +	}, +	[PORT_ALTR_16550_F128] = { +		.name		= "Altera 16550 FIFO128", +		.fifo_size	= 128, +		.tx_loadsz	= 128, +		.fcr		= UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10, +		.flags		= UART_CAP_FIFO | UART_CAP_AFE, +	},  };  /* Uart divisor latch read */ @@ -3396,3 +3417,32 @@ module_param_array(probe_rsa, ulong, &probe_rsa_count, 0444);  MODULE_PARM_DESC(probe_rsa, "Probe I/O ports for RSA");  #endif  MODULE_ALIAS_CHARDEV_MAJOR(TTY_MAJOR); + +#ifndef MODULE +/* This module was renamed to 8250_core in 3.7.  Keep the old "8250" name + * working as well for the module options so we don't break people.  We + * need to keep the names identical and the convenient macros will happily + * refuse to let us do that by failing the build with redefinition errors + * of global variables.  So we stick them inside a dummy function to avoid + * those conflicts.  The options still get parsed, and the redefined + * MODULE_PARAM_PREFIX lets us keep the "8250." syntax alive. + * + * This is hacky.  I'm sorry. + */ +static void __used s8250_options(void) +{ +#undef MODULE_PARAM_PREFIX +#define MODULE_PARAM_PREFIX "8250." + +	module_param_cb(share_irqs, ¶m_ops_uint, &share_irqs, 0644); +	module_param_cb(nr_uarts, ¶m_ops_uint, &nr_uarts, 0644); +	module_param_cb(skip_txen_test, ¶m_ops_uint, &skip_txen_test, 0644); +#ifdef CONFIG_SERIAL_8250_RSA +	__module_param_call(MODULE_PARAM_PREFIX, probe_rsa, +		¶m_array_ops, .arr = &__param_arr_probe_rsa, +		0444, -1); +#endif +} +#else +MODULE_ALIAS("8250"); +#endif diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index 791c5a77ec6..aa76825229d 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -1571,6 +1571,7 @@ pci_wch_ch353_setup(struct serial_private *priv,  /* Unknown vendors/cards - this should not be in linux/pci_ids.h */  #define PCI_SUBDEVICE_ID_UNKNOWN_0x1584	0x1584 +#define PCI_SUBDEVICE_ID_UNKNOWN_0x1588	0x1588  /*   * Master list of serial port init/setup/exit quirks. @@ -1852,15 +1853,6 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = {  	},  	{  		.vendor		= PCI_VENDOR_ID_PLX, -		.device		= PCI_DEVICE_ID_PLX_9050, -		.subvendor	= PCI_VENDOR_ID_PLX, -		.subdevice	= PCI_SUBDEVICE_ID_UNKNOWN_0x1584, -		.init		= pci_plx9050_init, -		.setup		= pci_default_setup, -		.exit		= pci_plx9050_exit, -	}, -	{ -		.vendor		= PCI_VENDOR_ID_PLX,  		.device		= PCI_DEVICE_ID_PLX_ROMULUS,  		.subvendor	= PCI_VENDOR_ID_PLX,  		.subdevice	= PCI_DEVICE_ID_PLX_ROMULUS, @@ -3733,7 +3725,12 @@ static struct pci_device_id serial_pci_tbl[] = {  	{	PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9050,  		PCI_VENDOR_ID_PLX,  		PCI_SUBDEVICE_ID_UNKNOWN_0x1584, 0, 0, -		pbn_b0_4_115200 }, +		pbn_b2_4_115200 }, +	/* Unknown card - subdevice 0x1588 */ +	{	PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9050, +		PCI_VENDOR_ID_PLX, +		PCI_SUBDEVICE_ID_UNKNOWN_0x1588, 0, 0, +		pbn_b2_8_115200 },  	{	PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9050,  		PCI_SUBVENDOR_ID_KEYSPAN,  		PCI_SUBDEVICE_ID_KEYSPAN_SX2, 0, 0, @@ -4791,6 +4788,10 @@ static struct pci_device_id serial_pci_tbl[] = {  		PCI_VENDOR_ID_IBM, 0x0299,  		0, 0, pbn_b0_bt_2_115200 }, +	{	PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9835, +		0x1000, 0x0012, +		0, 0, pbn_b0_bt_2_115200 }, +  	{	PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9901,  		0xA000, 0x1000,  		0, 0, pbn_b0_1_115200 }, diff --git a/drivers/tty/serial/8250/8250_pnp.c b/drivers/tty/serial/8250/8250_pnp.c index 35d9ab95c5c..b3455a970a1 100644 --- a/drivers/tty/serial/8250/8250_pnp.c +++ b/drivers/tty/serial/8250/8250_pnp.c @@ -429,6 +429,7 @@ serial_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)  {  	struct uart_8250_port uart;  	int ret, line, flags = dev_id->driver_data; +	struct resource *res = NULL;  	if (flags & UNKNOWN_DEV) {  		ret = serial_pnp_guess_board(dev); @@ -439,11 +440,12 @@ serial_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)  	memset(&uart, 0, sizeof(uart));  	if (pnp_irq_valid(dev, 0))  		uart.port.irq = pnp_irq(dev, 0); -	if ((flags & CIR_PORT) && pnp_port_valid(dev, 2)) { -		uart.port.iobase = pnp_port_start(dev, 2); -		uart.port.iotype = UPIO_PORT; -	} else if (pnp_port_valid(dev, 0)) { -		uart.port.iobase = pnp_port_start(dev, 0); +	if ((flags & CIR_PORT) && pnp_port_valid(dev, 2)) +		res = pnp_get_resource(dev, IORESOURCE_IO, 2); +	else if (pnp_port_valid(dev, 0)) +		res = pnp_get_resource(dev, IORESOURCE_IO, 0); +	if (pnp_resource_enabled(res)) { +		uart.port.iobase = res->start;  		uart.port.iotype = UPIO_PORT;  	} else if (pnp_mem_valid(dev, 0)) {  		uart.port.mapbase = pnp_mem_start(dev, 0); diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig index cf9210db9fa..7e7006fd404 100644 --- a/drivers/tty/serial/Kconfig +++ b/drivers/tty/serial/Kconfig @@ -211,14 +211,14 @@ config SERIAL_SAMSUNG  config SERIAL_SAMSUNG_UARTS_4  	bool  	depends on PLAT_SAMSUNG -	default y if !(CPU_S3C2410 || SERIAL_S3C2412 || CPU_S3C2440 || CPU_S3C2442) +	default y if !(CPU_S3C2410 || CPU_S3C2412 || CPU_S3C2440 || CPU_S3C2442)  	help  	  Internal node for the common case of 4 Samsung compatible UARTs  config SERIAL_SAMSUNG_UARTS  	int  	depends on PLAT_SAMSUNG -	default 6 if ARCH_S5P6450 +	default 6 if CPU_S5P6450  	default 4 if SERIAL_SAMSUNG_UARTS_4 || CPU_S3C2416  	default 3  	help diff --git a/drivers/tty/serial/bcm63xx_uart.c b/drivers/tty/serial/bcm63xx_uart.c index 719594e5fc2..52a3ecd4042 100644 --- a/drivers/tty/serial/bcm63xx_uart.c +++ b/drivers/tty/serial/bcm63xx_uart.c @@ -235,7 +235,7 @@ static const char *bcm_uart_type(struct uart_port *port)   */  static void bcm_uart_do_rx(struct uart_port *port)  { -	struct tty_port *port = &port->state->port; +	struct tty_port *tty_port = &port->state->port;  	unsigned int max_count;  	/* limit number of char read in interrupt, should not be @@ -260,7 +260,7 @@ static void bcm_uart_do_rx(struct uart_port *port)  			bcm_uart_writel(port, val, UART_CTL_REG);  			port->icount.overrun++; -			tty_insert_flip_char(port, 0, TTY_OVERRUN); +			tty_insert_flip_char(tty_port, 0, TTY_OVERRUN);  		}  		if (!(iestat & UART_IR_STAT(UART_IR_RXNOTEMPTY))) @@ -299,11 +299,11 @@ static void bcm_uart_do_rx(struct uart_port *port)  		if ((cstat & port->ignore_status_mask) == 0) -			tty_insert_flip_char(port, c, flag); +			tty_insert_flip_char(tty_port, c, flag);  	} while (--max_count); -	tty_flip_buffer_push(port); +	tty_flip_buffer_push(tty_port);  }  /* diff --git a/drivers/tty/serial/mpc52xx_uart.c b/drivers/tty/serial/mpc52xx_uart.c index c0e1fad51be..018bad92255 100644 --- a/drivers/tty/serial/mpc52xx_uart.c +++ b/drivers/tty/serial/mpc52xx_uart.c @@ -550,7 +550,7 @@ static int mpc512x_psc_clock(struct uart_port *port, int enable)  		return 0;  	psc_num = (port->mapbase & 0xf00) >> 8; -	snprintf(clk_name, sizeof(clk_name), "psc%d_clk", psc_num); +	snprintf(clk_name, sizeof(clk_name), "psc%d_mclk", psc_num);  	psc_clk = clk_get(port->dev, clk_name);  	if (IS_ERR(psc_clk)) {  		dev_err(port->dev, "Failed to get PSC clock entry!\n"); diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c index d5874605682..b025d543827 100644 --- a/drivers/tty/serial/of_serial.c +++ b/drivers/tty/serial/of_serial.c @@ -241,6 +241,12 @@ static struct of_device_id of_platform_serial_table[] = {  	{ .compatible = "ns16850",  .data = (void *)PORT_16850, },  	{ .compatible = "nvidia,tegra20-uart", .data = (void *)PORT_TEGRA, },  	{ .compatible = "nxp,lpc3220-uart", .data = (void *)PORT_LPC3220, }, +	{ .compatible = "altr,16550-FIFO32", +		.data = (void *)PORT_ALTR_16550_F32, }, +	{ .compatible = "altr,16550-FIFO64", +		.data = (void *)PORT_ALTR_16550_F64, }, +	{ .compatible = "altr,16550-FIFO128", +		.data = (void *)PORT_ALTR_16550_F128, },  #ifdef CONFIG_SERIAL_OF_PLATFORM_NWPSERIAL  	{ .compatible = "ibm,qpace-nwp-serial",  		.data = (void *)PORT_NWPSERIAL, }, diff --git a/drivers/tty/serial/vt8500_serial.c b/drivers/tty/serial/vt8500_serial.c index a3f9dd5c9df..705240e6c4e 100644 --- a/drivers/tty/serial/vt8500_serial.c +++ b/drivers/tty/serial/vt8500_serial.c @@ -611,14 +611,7 @@ static int vt8500_serial_probe(struct platform_device *pdev)  	vt8500_port->uart.dev = &pdev->dev;  	vt8500_port->uart.flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF; -	vt8500_port->clk = of_clk_get(pdev->dev.of_node, 0); -	if (!IS_ERR(vt8500_port->clk)) { -		vt8500_port->uart.uartclk = clk_get_rate(vt8500_port->clk); -	} else { -		/* use the default of 24Mhz if not specified and warn */ -		pr_warn("%s: serial clock source not specified\n", __func__); -		vt8500_port->uart.uartclk = 24000000; -	} +	vt8500_port->uart.uartclk = clk_get_rate(vt8500_port->clk);  	snprintf(vt8500_port->name, sizeof(vt8500_port->name),  		 "VT8500 UART%d", pdev->id); diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c index bb119934e76..578aa7594b1 100644 --- a/drivers/tty/tty_buffer.c +++ b/drivers/tty/tty_buffer.c @@ -425,7 +425,7 @@ static void flush_to_ldisc(struct work_struct *work)  	struct tty_ldisc *disc;  	tty = port->itty; -	if (WARN_RATELIMIT(tty == NULL, "tty is NULL\n")) +	if (tty == NULL)  		return;  	disc = tty_ldisc_ref(tty); diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile index f5ed3d75fa5..8f5ebced5df 100644 --- a/drivers/usb/Makefile +++ b/drivers/usb/Makefile @@ -46,7 +46,7 @@ obj-$(CONFIG_USB_MICROTEK)	+= image/  obj-$(CONFIG_USB_SERIAL)	+= serial/  obj-$(CONFIG_USB)		+= misc/ -obj-$(CONFIG_USB_COMMON)	+= phy/ +obj-$(CONFIG_USB_OTG_UTILS)	+= phy/  obj-$(CONFIG_EARLY_PRINTK_DBGP)	+= early/  obj-$(CONFIG_USB_ATM)		+= atm/ diff --git a/drivers/usb/c67x00/c67x00-sched.c b/drivers/usb/c67x00/c67x00-sched.c index a03fbc15fa9..aa491627a45 100644 --- a/drivers/usb/c67x00/c67x00-sched.c +++ b/drivers/usb/c67x00/c67x00-sched.c @@ -100,7 +100,7 @@ struct c67x00_urb_priv {  #define TD_PIDEP_OFFSET		0x04  #define TD_PIDEPMASK_PID	0xF0  #define TD_PIDEPMASK_EP		0x0F -#define TD_PORTLENMASK_DL	0x02FF +#define TD_PORTLENMASK_DL	0x03FF  #define TD_PORTLENMASK_PN	0xC000  #define TD_STATUS_OFFSET	0x07 @@ -590,7 +590,7 @@ static int c67x00_create_td(struct c67x00_hcd *c67x00, struct urb *urb,  {  	struct c67x00_td *td;  	struct c67x00_urb_priv *urbp = urb->hcpriv; -	const __u8 active_flag = 1, retry_cnt = 1; +	const __u8 active_flag = 1, retry_cnt = 3;  	__u8 cmd = 0;  	int tt = 0; diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 2f45bba8561..f64fbea1cf2 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1767,7 +1767,7 @@ static int udc_start(struct ci13xxx *ci)  		goto put_transceiver;  	} -	retval = dbg_create_files(&ci->gadget.dev); +	retval = dbg_create_files(ci->dev);  	if (retval)  		goto unreg_device; @@ -1796,7 +1796,7 @@ remove_trans:  	dev_err(dev, "error = %i\n", retval);  remove_dbg: -	dbg_remove_files(&ci->gadget.dev); +	dbg_remove_files(ci->dev);  unreg_device:  	device_unregister(&ci->gadget.dev);  put_transceiver: @@ -1836,7 +1836,7 @@ static void udc_stop(struct ci13xxx *ci)  		if (ci->global_phy)  			usb_put_phy(ci->transceiver);  	} -	dbg_remove_files(&ci->gadget.dev); +	dbg_remove_files(ci->dev);  	device_unregister(&ci->gadget.dev);  	/* my kobject is dynamic, I swear! */  	memset(&ci->gadget, 0, sizeof(ci->gadget)); diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index 5f0cb417b73..122d056d96d 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -56,6 +56,7 @@ MODULE_DEVICE_TABLE (usb, wdm_ids);  #define WDM_RESPONDING		7  #define WDM_SUSPENDING		8  #define WDM_RESETTING		9 +#define WDM_OVERFLOW		10  #define WDM_MAX			16 @@ -155,6 +156,7 @@ static void wdm_in_callback(struct urb *urb)  {  	struct wdm_device *desc = urb->context;  	int status = urb->status; +	int length = urb->actual_length;  	spin_lock(&desc->iuspin);  	clear_bit(WDM_RESPONDING, &desc->flags); @@ -185,9 +187,17 @@ static void wdm_in_callback(struct urb *urb)  	}  	desc->rerr = status; -	desc->reslength = urb->actual_length; -	memmove(desc->ubuf + desc->length, desc->inbuf, desc->reslength); -	desc->length += desc->reslength; +	if (length + desc->length > desc->wMaxCommand) { +		/* The buffer would overflow */ +		set_bit(WDM_OVERFLOW, &desc->flags); +	} else { +		/* we may already be in overflow */ +		if (!test_bit(WDM_OVERFLOW, &desc->flags)) { +			memmove(desc->ubuf + desc->length, desc->inbuf, length); +			desc->length += length; +			desc->reslength = length; +		} +	}  skip_error:  	wake_up(&desc->wait); @@ -435,6 +445,11 @@ retry:  			rv = -ENODEV;  			goto err;  		} +		if (test_bit(WDM_OVERFLOW, &desc->flags)) { +			clear_bit(WDM_OVERFLOW, &desc->flags); +			rv = -ENOBUFS; +			goto err; +		}  		i++;  		if (file->f_flags & O_NONBLOCK) {  			if (!test_bit(WDM_READ, &desc->flags)) { @@ -478,6 +493,7 @@ retry:  			spin_unlock_irq(&desc->iuspin);  			goto retry;  		} +  		if (!desc->reslength) { /* zero length read */  			dev_dbg(&desc->intf->dev, "%s: zero length - clearing WDM_READ\n", __func__);  			clear_bit(WDM_READ, &desc->flags); @@ -1004,6 +1020,7 @@ static int wdm_post_reset(struct usb_interface *intf)  	struct wdm_device *desc = wdm_find_device(intf);  	int rv; +	clear_bit(WDM_OVERFLOW, &desc->flags);  	clear_bit(WDM_RESETTING, &desc->flags);  	rv = recover_from_urb_loss(desc);  	mutex_unlock(&desc->wlock); diff --git a/drivers/usb/core/usb-acpi.c b/drivers/usb/core/usb-acpi.c index cef4252bb31..b6f4bad3f75 100644 --- a/drivers/usb/core/usb-acpi.c +++ b/drivers/usb/core/usb-acpi.c @@ -210,9 +210,14 @@ static int usb_acpi_find_device(struct device *dev, acpi_handle *handle)  	return 0;  } +static bool usb_acpi_bus_match(struct device *dev) +{ +	return is_usb_device(dev) || is_usb_port(dev); +} +  static struct acpi_bus_type usb_acpi_bus = { -	.bus = &usb_bus_type, -	.find_bridge = usb_acpi_find_device, +	.name = "USB", +	.match = usb_acpi_bus_match,  	.find_device = usb_acpi_find_device,  }; diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 999909451e3..ffa6b004a84 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -583,6 +583,7 @@ static int dwc3_remove(struct platform_device *pdev)  		break;  	} +	dwc3_free_event_buffers(dwc);  	dwc3_core_exit(dwc);  	return 0; diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c index b50da53e9a5..b082bec7343 100644 --- a/drivers/usb/dwc3/dwc3-exynos.c +++ b/drivers/usb/dwc3/dwc3-exynos.c @@ -23,8 +23,6 @@  #include <linux/usb/nop-usb-xceiv.h>  #include <linux/of.h> -#include "core.h" -  struct dwc3_exynos {  	struct platform_device	*dwc3;  	struct platform_device	*usb2_phy; diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 22f337f5721..afa05e3c9cf 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -54,8 +54,6 @@  #include <linux/usb/otg.h>  #include <linux/usb/nop-usb-xceiv.h> -#include "core.h" -  /*   * All these registers belong to OMAP's Wrapper around the   * DesignWare USB3 Core. @@ -465,20 +463,20 @@ static int dwc3_omap_remove(struct platform_device *pdev)  	return 0;  } -static const struct of_device_id of_dwc3_matach[] = { +static const struct of_device_id of_dwc3_match[] = {  	{  		"ti,dwc3",  	},  	{ },  }; -MODULE_DEVICE_TABLE(of, of_dwc3_matach); +MODULE_DEVICE_TABLE(of, of_dwc3_match);  static struct platform_driver dwc3_omap_driver = {  	.probe		= dwc3_omap_probe,  	.remove		= dwc3_omap_remove,  	.driver		= {  		.name	= "omap-dwc3", -		.of_match_table	= of_dwc3_matach, +		.of_match_table	= of_dwc3_match,  	},  }; diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 7d70f44567d..e8d77689a32 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -45,8 +45,6 @@  #include <linux/usb/otg.h>  #include <linux/usb/nop-usb-xceiv.h> -#include "core.h" -  /* FIXME define these in <linux/pci_ids.h> */  #define PCI_VENDOR_ID_SYNOPSYS		0x16c3  #define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3	0xabcd diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index d7da073a23f..1d139ca05ef 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -891,7 +891,8 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc,  				DWC3_TRBCTL_CONTROL_DATA);  	} else if (!IS_ALIGNED(req->request.length, dep->endpoint.maxpacket)  			&& (dep->number == 0)) { -		u32		transfer_size; +		u32	transfer_size; +		u32	maxpacket;  		ret = usb_gadget_map_request(&dwc->gadget, &req->request,  				dep->number); @@ -902,8 +903,8 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc,  		WARN_ON(req->request.length > DWC3_EP0_BOUNCE_SIZE); -		transfer_size = roundup(req->request.length, -				(u32) dep->endpoint.maxpacket); +		maxpacket = dep->endpoint.maxpacket; +		transfer_size = roundup(req->request.length, maxpacket);  		dwc->ep0_bounced = true; diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index a04342f6cbf..82e160e96fc 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2159,7 +2159,6 @@ static void dwc3_gadget_phy_suspend(struct dwc3 *dwc, u8 speed)  static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc)  { -	struct dwc3_gadget_ep_cmd_params params;  	struct dwc3_ep		*dep;  	int			ret;  	u32			reg; @@ -2167,8 +2166,6 @@ static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc)  	dev_vdbg(dwc->dev, "%s\n", __func__); -	memset(¶ms, 0x00, sizeof(params)); -  	reg = dwc3_readl(dwc->regs, DWC3_DSTS);  	speed = reg & DWC3_DSTS_CONNECTSPD;  	dwc->speed = speed; diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile index 97a13c349cc..82fb2251135 100644 --- a/drivers/usb/gadget/Makefile +++ b/drivers/usb/gadget/Makefile @@ -35,6 +35,12 @@ mv_udc-y			:= mv_udc_core.o  obj-$(CONFIG_USB_FUSB300)	+= fusb300_udc.o  obj-$(CONFIG_USB_MV_U3D)	+= mv_u3d_core.o +# USB Functions +obj-$(CONFIG_USB_F_ACM)		+= f_acm.o +f_ss_lb-y			:= f_loopback.o f_sourcesink.o +obj-$(CONFIG_USB_F_SS_LB)	+= f_ss_lb.o +obj-$(CONFIG_USB_U_SERIAL)	+= u_serial.o +  #  # USB gadget drivers  # @@ -74,9 +80,3 @@ obj-$(CONFIG_USB_G_WEBCAM)	+= g_webcam.o  obj-$(CONFIG_USB_G_NCM)		+= g_ncm.o  obj-$(CONFIG_USB_G_ACM_MS)	+= g_acm_ms.o  obj-$(CONFIG_USB_GADGET_TARGET)	+= tcm_usb_gadget.o - -# USB Functions -obj-$(CONFIG_USB_F_ACM)		+= f_acm.o -f_ss_lb-y			:= f_loopback.o f_sourcesink.o -obj-$(CONFIG_USB_F_SS_LB)	+= f_ss_lb.o -obj-$(CONFIG_USB_U_SERIAL)	+= u_serial.o diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 7c821de8ce3..c0d62b27861 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -1757,10 +1757,7 @@ static const struct usb_gadget_driver composite_driver_template = {  /**   * usb_composite_probe() - register a composite driver   * @driver: the driver to register - * @bind: the callback used to allocate resources that are shared across the - *	whole device, such as string IDs, and add its configurations using - *	@usb_add_config().  This may fail by returning a negative errno - *	value; it should return zero on successful initialization. + *   * Context: single threaded during gadget setup   *   * This function is used to register drivers using the composite driver diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index 38388d7844f..c377ff84bf2 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -1235,6 +1235,7 @@ static struct file_system_type ffs_fs_type = {  	.mount		= ffs_fs_mount,  	.kill_sb	= ffs_fs_kill_sb,  }; +MODULE_ALIAS_FS("functionfs");  /* Driver's main init/cleanup functions *************************************/ diff --git a/drivers/usb/gadget/f_uac1.c b/drivers/usb/gadget/f_uac1.c index f570e667a64..fa8ea4ea00c 100644 --- a/drivers/usb/gadget/f_uac1.c +++ b/drivers/usb/gadget/f_uac1.c @@ -418,6 +418,7 @@ static int audio_get_intf_req(struct usb_function *f,  	req->context = audio;  	req->complete = f_audio_complete; +	len = min_t(size_t, sizeof(value), len);  	memcpy(req->buf, &value, len);  	return len; diff --git a/drivers/usb/gadget/imx_udc.c b/drivers/usb/gadget/imx_udc.c index 8efd7555fa2..5bd930d779b 100644 --- a/drivers/usb/gadget/imx_udc.c +++ b/drivers/usb/gadget/imx_udc.c @@ -1334,27 +1334,18 @@ static int imx_udc_start(struct usb_gadget *gadget,  		struct usb_gadget_driver *driver)  {  	struct imx_udc_struct *imx_usb; -	int retval;  	imx_usb = container_of(gadget, struct imx_udc_struct, gadget);  	/* first hook up the driver ... */  	imx_usb->driver = driver;  	imx_usb->gadget.dev.driver = &driver->driver; -	retval = device_add(&imx_usb->gadget.dev); -	if (retval) -		goto fail; -  	D_INI(imx_usb->dev, "<%s> registered gadget driver '%s'\n",  		__func__, driver->driver.name);  	imx_udc_enable(imx_usb);  	return 0; -fail: -	imx_usb->driver = NULL; -	imx_usb->gadget.dev.driver = NULL; -	return retval;  }  static int imx_udc_stop(struct usb_gadget *gadget, @@ -1370,8 +1361,6 @@ static int imx_udc_stop(struct usb_gadget *gadget,  	imx_usb->gadget.dev.driver = NULL;  	imx_usb->driver = NULL; -	device_del(&imx_usb->gadget.dev); -  	D_INI(imx_usb->dev, "<%s> unregistered gadget driver '%s'\n",  		__func__, driver->driver.name); @@ -1477,6 +1466,10 @@ static int __init imx_udc_probe(struct platform_device *pdev)  	imx_usb->gadget.dev.parent = &pdev->dev;  	imx_usb->gadget.dev.dma_mask = pdev->dev.dma_mask; +	ret = device_add(&imx_usb->gadget.dev); +	if (retval) +		goto fail4; +  	platform_set_drvdata(pdev, imx_usb);  	usb_init_data(imx_usb); @@ -1488,9 +1481,11 @@ static int __init imx_udc_probe(struct platform_device *pdev)  	ret = usb_add_gadget_udc(&pdev->dev, &imx_usb->gadget);  	if (ret) -		goto fail4; +		goto fail5;  	return 0; +fail5: +	device_unregister(&imx_usb->gadget.dev);  fail4:  	for (i = 0; i < IMX_USB_NB_EP + 1; i++)  		free_irq(imx_usb->usbd_int[i], imx_usb); @@ -1514,6 +1509,7 @@ static int __exit imx_udc_remove(struct platform_device *pdev)  	int i;  	usb_del_gadget_udc(&imx_usb->gadget); +	device_unregister(&imx_usb->gadget.dev);  	imx_udc_disable(imx_usb);  	del_timer(&imx_usb->timer); diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index 8ac840f25ba..e2b2e9cf254 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -2105,6 +2105,7 @@ static struct file_system_type gadgetfs_type = {  	.mount		= gadgetfs_mount,  	.kill_sb	= gadgetfs_kill_sb,  }; +MODULE_ALIAS_FS("gadgetfs");  /*----------------------------------------------------------------------*/ diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c index 06be85c2b23..f8445653577 100644 --- a/drivers/usb/gadget/omap_udc.c +++ b/drivers/usb/gadget/omap_udc.c @@ -62,6 +62,7 @@  #define	DRIVER_VERSION	"4 October 2004"  #define OMAP_DMA_USB_W2FC_TX0		29 +#define OMAP_DMA_USB_W2FC_RX0		26  /*   * The OMAP UDC needs _very_ early endpoint setup:  before enabling the @@ -1310,7 +1311,7 @@ static int omap_pullup(struct usb_gadget *gadget, int is_on)  }  static int omap_udc_start(struct usb_gadget *g, -		struct usb_gadget_driver *driver) +		struct usb_gadget_driver *driver);  static int omap_udc_stop(struct usb_gadget *g,  		struct usb_gadget_driver *driver); diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c index 2bbcdce942d..d0f37484b6b 100644 --- a/drivers/usb/gadget/pxa25x_udc.c +++ b/drivers/usb/gadget/pxa25x_udc.c @@ -1266,13 +1266,6 @@ static int pxa25x_udc_start(struct usb_gadget *g,  	dev->gadget.dev.driver = &driver->driver;  	dev->pullup = 1; -	retval = device_add (&dev->gadget.dev); -	if (retval) { -		dev->driver = NULL; -		dev->gadget.dev.driver = NULL; -		return retval; -	} -  	/* ... then enable host detection and ep0; and we're ready  	 * for set_configuration as well as eventual disconnect.  	 */ @@ -1310,6 +1303,10 @@ stop_activity(struct pxa25x_udc *dev, struct usb_gadget_driver *driver)  	}  	del_timer_sync(&dev->timer); +	/* report disconnect; the driver is already quiesced */ +	if (driver) +		driver->disconnect(&dev->gadget); +  	/* re-init driver-visible data structures */  	udc_reinit(dev);  } @@ -1331,7 +1328,6 @@ static int pxa25x_udc_stop(struct usb_gadget*g,  	dev->gadget.dev.driver = NULL;  	dev->driver = NULL; -	device_del (&dev->gadget.dev);  	dump_state(dev);  	return 0; @@ -2146,6 +2142,13 @@ static int __init pxa25x_udc_probe(struct platform_device *pdev)  	dev->gadget.dev.parent = &pdev->dev;  	dev->gadget.dev.dma_mask = pdev->dev.dma_mask; +	retval = device_add(&dev->gadget.dev); +	if (retval) { +		dev->driver = NULL; +		dev->gadget.dev.driver = NULL; +		goto err_device_add; +	} +  	the_controller = dev;  	platform_set_drvdata(pdev, dev); @@ -2196,6 +2199,8 @@ lubbock_fail0:  	free_irq(irq, dev);  #endif   err_irq1: +	device_unregister(&dev->gadget.dev); + err_device_add:  	if (gpio_is_valid(dev->mach->gpio_pullup))  		gpio_free(dev->mach->gpio_pullup);   err_gpio_pullup: @@ -2217,10 +2222,11 @@ static int __exit pxa25x_udc_remove(struct platform_device *pdev)  {  	struct pxa25x_udc *dev = platform_get_drvdata(pdev); -	usb_del_gadget_udc(&dev->gadget);  	if (dev->driver)  		return -EBUSY; +	usb_del_gadget_udc(&dev->gadget); +	device_unregister(&dev->gadget.dev);  	dev->pullup = 0;  	pullup(dev); diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c index f7d25795821..2fc867652ef 100644 --- a/drivers/usb/gadget/pxa27x_udc.c +++ b/drivers/usb/gadget/pxa27x_udc.c @@ -1814,11 +1814,6 @@ static int pxa27x_udc_start(struct usb_gadget *g,  	udc->gadget.dev.driver = &driver->driver;  	dplus_pullup(udc, 1); -	retval = device_add(&udc->gadget.dev); -	if (retval) { -		dev_err(udc->dev, "device_add error %d\n", retval); -		goto fail; -	}  	if (!IS_ERR_OR_NULL(udc->transceiver)) {  		retval = otg_set_peripheral(udc->transceiver->otg,  						&udc->gadget); @@ -1876,7 +1871,6 @@ static int pxa27x_udc_stop(struct usb_gadget *g,  	udc->driver = NULL; -	device_del(&udc->gadget.dev);  	if (!IS_ERR_OR_NULL(udc->transceiver))  		return otg_set_peripheral(udc->transceiver->otg, NULL); @@ -2480,13 +2474,24 @@ static int __init pxa_udc_probe(struct platform_device *pdev)  			driver_name, udc->irq, retval);  		goto err_irq;  	} + +	retval = device_add(&udc->gadget.dev); +	if (retval) { +		dev_err(udc->dev, "device_add error %d\n", retval); +		goto err_dev_add; +	} +  	retval = usb_add_gadget_udc(&pdev->dev, &udc->gadget);  	if (retval)  		goto err_add_udc;  	pxa_init_debugfs(udc); +  	return 0; +  err_add_udc: +	device_unregister(&udc->gadget.dev); +err_dev_add:  	free_irq(udc->irq, udc);  err_irq:  	iounmap(udc->regs); @@ -2507,6 +2512,7 @@ static int __exit pxa_udc_remove(struct platform_device *_dev)  	int gpio = udc->mach->gpio_pullup;  	usb_del_gadget_udc(&udc->gadget); +	device_del(&udc->gadget.dev);  	usb_gadget_unregister_driver(udc->driver);  	free_irq(udc->irq, udc);  	pxa_cleanup_debugfs(udc); diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c index fc07b438128..08f89652533 100644 --- a/drivers/usb/gadget/s3c2410_udc.c +++ b/drivers/usb/gadget/s3c2410_udc.c @@ -1668,8 +1668,7 @@ static void s3c2410_udc_enable(struct s3c2410_udc *dev)  static int s3c2410_udc_start(struct usb_gadget *g,  		struct usb_gadget_driver *driver)  { -	struct s3c2410_udc *udc = to_s3c2410(g) -	int		retval; +	struct s3c2410_udc *udc = to_s3c2410(g);  	dprintk(DEBUG_NORMAL, "%s() '%s'\n", __func__, driver->driver.name); @@ -1677,22 +1676,10 @@ static int s3c2410_udc_start(struct usb_gadget *g,  	udc->driver = driver;  	udc->gadget.dev.driver = &driver->driver; -	/* Bind the driver */ -	retval = device_add(&udc->gadget.dev); -	if (retval) { -		dev_err(&udc->gadget.dev, "Error in device_add() : %d\n", retval); -		goto register_error; -	} -  	/* Enable udc */  	s3c2410_udc_enable(udc);  	return 0; - -register_error: -	udc->driver = NULL; -	udc->gadget.dev.driver = NULL; -	return retval;  }  static int s3c2410_udc_stop(struct usb_gadget *g, @@ -1700,7 +1687,6 @@ static int s3c2410_udc_stop(struct usb_gadget *g,  {  	struct s3c2410_udc *udc = to_s3c2410(g); -	device_del(&udc->gadget.dev);  	udc->driver = NULL;  	/* Disable udc */ @@ -1842,6 +1828,13 @@ static int s3c2410_udc_probe(struct platform_device *pdev)  	udc->gadget.dev.parent = &pdev->dev;  	udc->gadget.dev.dma_mask = pdev->dev.dma_mask; +	/* Bind the driver */ +	retval = device_add(&udc->gadget.dev); +	if (retval) { +		dev_err(&udc->gadget.dev, "Error in device_add() : %d\n", retval); +		goto err_device_add; +	} +  	the_controller = udc;  	platform_set_drvdata(pdev, udc); @@ -1930,6 +1923,8 @@ err_gpio_claim:  err_int:  	free_irq(IRQ_USBD, udc);  err_map: +	device_unregister(&udc->gadget.dev); +err_device_add:  	iounmap(base_addr);  err_mem:  	release_mem_region(rsrc_start, rsrc_len); @@ -1947,10 +1942,11 @@ static int s3c2410_udc_remove(struct platform_device *pdev)  	dev_dbg(&pdev->dev, "%s()\n", __func__); -	usb_del_gadget_udc(&udc->gadget);  	if (udc->driver)  		return -EBUSY; +	usb_del_gadget_udc(&udc->gadget); +	device_unregister(&udc->gadget.dev);  	debugfs_remove(udc->regs_info);  	if (udc_info && !udc_info->udc_command && diff --git a/drivers/usb/gadget/u_uac1.c b/drivers/usb/gadget/u_uac1.c index e0c5e88e03e..c7d460f4339 100644 --- a/drivers/usb/gadget/u_uac1.c +++ b/drivers/usb/gadget/u_uac1.c @@ -240,8 +240,11 @@ static int gaudio_open_snd_dev(struct gaudio *card)  	snd = &card->playback;  	snd->filp = filp_open(fn_play, O_WRONLY, 0);  	if (IS_ERR(snd->filp)) { +		int ret = PTR_ERR(snd->filp); +  		ERROR(card, "No such PCM playback device: %s\n", fn_play);  		snd->filp = NULL; +		return ret;  	}  	pcm_file = snd->filp->private_data;  	snd->substream = pcm_file->substream; diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index b416a3fc995..5726cb144ab 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -748,11 +748,9 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)  		/* guard against (alleged) silicon errata */  		if (cmd & CMD_IAAD)  			ehci_dbg(ehci, "IAA with IAAD still set?\n"); -		if (ehci->async_iaa) { +		if (ehci->async_iaa)  			COUNT(ehci->stats.iaa); -			end_unlink_async(ehci); -		} else -			ehci_dbg(ehci, "IAA with nothing unlinked?\n"); +		end_unlink_async(ehci);  	}  	/* remote wakeup [4.3.1] */ diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c index fd252f0cfb3..5464665f0b6 100644 --- a/drivers/usb/host/ehci-q.c +++ b/drivers/usb/host/ehci-q.c @@ -135,7 +135,7 @@ qh_refresh (struct ehci_hcd *ehci, struct ehci_qh *qh)  		 * qtd is updated in qh_completions(). Update the QH  		 * overlay here.  		 */ -		if (cpu_to_hc32(ehci, qtd->qtd_dma) == qh->hw->hw_current) { +		if (qh->hw->hw_token & ACTIVE_BIT(ehci)) {  			qh->hw->hw_qtd_next = qtd->hw_next;  			qtd = NULL;  		} @@ -449,11 +449,19 @@ qh_completions (struct ehci_hcd *ehci, struct ehci_qh *qh)  			else if (last_status == -EINPROGRESS && !urb->unlinked)  				continue; -			/* qh unlinked; token in overlay may be most current */ -			if (state == QH_STATE_IDLE -					&& cpu_to_hc32(ehci, qtd->qtd_dma) -						== hw->hw_current) { +			/* +			 * If this was the active qtd when the qh was unlinked +			 * and the overlay's token is active, then the overlay +			 * hasn't been written back to the qtd yet so use its +			 * token instead of the qtd's.  After the qtd is +			 * processed and removed, the overlay won't be valid +			 * any more. +			 */ +			if (state == QH_STATE_IDLE && +					qh->qtd_list.next == &qtd->qtd_list && +					(hw->hw_token & ACTIVE_BIT(ehci))) {  				token = hc32_to_cpu(ehci, hw->hw_token); +				hw->hw_token &= ~ACTIVE_BIT(ehci);  				/* An unlink may leave an incomplete  				 * async transaction in the TT buffer. @@ -1170,7 +1178,7 @@ static void single_unlink_async(struct ehci_hcd *ehci, struct ehci_qh *qh)  	struct ehci_qh		*prev;  	/* Add to the end of the list of QHs waiting for the next IAAD */ -	qh->qh_state = QH_STATE_UNLINK; +	qh->qh_state = QH_STATE_UNLINK_WAIT;  	if (ehci->async_unlink)  		ehci->async_unlink_last->unlink_next = qh;  	else @@ -1213,9 +1221,19 @@ static void start_iaa_cycle(struct ehci_hcd *ehci, bool nested)  		/* Do only the first waiting QH (nVidia bug?) */  		qh = ehci->async_unlink; -		ehci->async_iaa = qh; -		ehci->async_unlink = qh->unlink_next; -		qh->unlink_next = NULL; + +		/* +		 * Intel (?) bug: The HC can write back the overlay region +		 * even after the IAA interrupt occurs.  In self-defense, +		 * always go through two IAA cycles for each QH. +		 */ +		if (qh->qh_state == QH_STATE_UNLINK_WAIT) { +			qh->qh_state = QH_STATE_UNLINK; +		} else { +			ehci->async_iaa = qh; +			ehci->async_unlink = qh->unlink_next; +			qh->unlink_next = NULL; +		}  		/* Make sure the unlinks are all visible to the hardware */  		wmb(); diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig index 45b19e2c60b..05e51432dd2 100644 --- a/drivers/usb/musb/Kconfig +++ b/drivers/usb/musb/Kconfig @@ -7,11 +7,6 @@  config USB_MUSB_HDRC  	tristate 'Inventra Highspeed Dual Role Controller (TI, ADI, ...)'  	depends on USB && USB_GADGET -	select NOP_USB_XCEIV if (ARCH_DAVINCI || MACH_OMAP3EVM || BLACKFIN) -	select NOP_USB_XCEIV if (SOC_TI81XX || SOC_AM33XX) -	select TWL4030_USB if MACH_OMAP_3430SDP -	select TWL6030_USB if MACH_OMAP_4430SDP || MACH_OMAP4_PANDA -	select OMAP_CONTROL_USB if MACH_OMAP_4430SDP || MACH_OMAP4_PANDA  	select USB_OTG_UTILS  	help  	  Say Y here if your system has a dual role high speed USB diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 60b41cc28da..daec6e0f7e3 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -1624,8 +1624,6 @@ EXPORT_SYMBOL_GPL(musb_dma_completion);  /*-------------------------------------------------------------------------*/ -#ifdef CONFIG_SYSFS -  static ssize_t  musb_mode_show(struct device *dev, struct device_attribute *attr, char *buf)  { @@ -1742,8 +1740,6 @@ static const struct attribute_group musb_attr_group = {  	.attrs = musb_attributes,  }; -#endif	/* sysfs */ -  /* Only used to provide driver mode change events */  static void musb_irq_work(struct work_struct *data)  { @@ -1968,11 +1964,9 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)  	if (status < 0)  		goto fail4; -#ifdef CONFIG_SYSFS  	status = sysfs_create_group(&musb->controller->kobj, &musb_attr_group);  	if (status)  		goto fail5; -#endif  	pm_runtime_put(musb->controller); diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c index 1762354fe79..1a42a458f2c 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -51,7 +51,7 @@ struct omap2430_glue {  };  #define glue_to_musb(g)		platform_get_drvdata(g->musb) -struct omap2430_glue		*_glue; +static struct omap2430_glue	*_glue;  static struct timer_list musb_idle_timer; @@ -237,9 +237,13 @@ void omap_musb_mailbox(enum omap_musb_vbus_id_status status)  {  	struct omap2430_glue	*glue = _glue; -	if (glue && glue_to_musb(glue)) { -		glue->status = status; -	} else { +	if (!glue) { +		pr_err("%s: musb core is not yet initialized\n", __func__); +		return; +	} +	glue->status = status; + +	if (!glue_to_musb(glue)) {  		pr_err("%s: musb core is not yet ready\n", __func__);  		return;  	} diff --git a/drivers/usb/otg/otg.c b/drivers/usb/otg/otg.c index e1814397ca3..2bd03d261a5 100644 --- a/drivers/usb/otg/otg.c +++ b/drivers/usb/otg/otg.c @@ -130,7 +130,7 @@ struct usb_phy *usb_get_phy(enum usb_phy_type type)  	spin_lock_irqsave(&phy_lock, flags);  	phy = __usb_find_phy(&phy_list, type); -	if (IS_ERR(phy)) { +	if (IS_ERR(phy) || !try_module_get(phy->dev->driver->owner)) {  		pr_err("unable to find transceiver of type %s\n",  			usb_phy_type_string(type));  		goto err0; @@ -228,7 +228,7 @@ struct usb_phy *usb_get_phy_dev(struct device *dev, u8 index)  	spin_lock_irqsave(&phy_lock, flags);  	phy = __usb_find_phy_dev(dev, &phy_bind_list, index); -	if (IS_ERR(phy)) { +	if (IS_ERR(phy) || !try_module_get(phy->dev->driver->owner)) {  		pr_err("unable to find transceiver\n");  		goto err0;  	} @@ -301,8 +301,12 @@ EXPORT_SYMBOL(devm_usb_put_phy);   */  void usb_put_phy(struct usb_phy *x)  { -	if (x) +	if (x) { +		struct module *owner = x->dev->driver->owner; +  		put_device(x->dev); +		module_put(owner); +	}  }  EXPORT_SYMBOL(usb_put_phy); diff --git a/drivers/usb/phy/omap-control-usb.c b/drivers/usb/phy/omap-control-usb.c index 5323b71c352..1419ceda975 100644 --- a/drivers/usb/phy/omap-control-usb.c +++ b/drivers/usb/phy/omap-control-usb.c @@ -219,32 +219,26 @@ static int omap_control_usb_probe(struct platform_device *pdev)  	res = platform_get_resource_byname(pdev, IORESOURCE_MEM,  		"control_dev_conf"); -	control_usb->dev_conf = devm_request_and_ioremap(&pdev->dev, res); -	if (!control_usb->dev_conf) { -		dev_err(&pdev->dev, "Failed to obtain io memory\n"); -		return -EADDRNOTAVAIL; -	} +	control_usb->dev_conf = devm_ioremap_resource(&pdev->dev, res); +	if (IS_ERR(control_usb->dev_conf)) +		return PTR_ERR(control_usb->dev_conf);  	if (control_usb->type == OMAP_CTRL_DEV_TYPE1) {  		res = platform_get_resource_byname(pdev, IORESOURCE_MEM,  			"otghs_control"); -		control_usb->otghs_control = devm_request_and_ioremap( +		control_usb->otghs_control = devm_ioremap_resource(  			&pdev->dev, res); -		if (!control_usb->otghs_control) { -			dev_err(&pdev->dev, "Failed to obtain io memory\n"); -			return -EADDRNOTAVAIL; -		} +		if (IS_ERR(control_usb->otghs_control)) +			return PTR_ERR(control_usb->otghs_control);  	}  	if (control_usb->type == OMAP_CTRL_DEV_TYPE2) {  		res = platform_get_resource_byname(pdev, IORESOURCE_MEM,  			"phy_power_usb"); -		control_usb->phy_power = devm_request_and_ioremap( +		control_usb->phy_power = devm_ioremap_resource(  			&pdev->dev, res); -		if (!control_usb->phy_power) { -			dev_dbg(&pdev->dev, "Failed to obtain io memory\n"); -			return -EADDRNOTAVAIL; -		} +		if (IS_ERR(control_usb->phy_power)) +			return PTR_ERR(control_usb->phy_power);  		control_usb->sys_clk = devm_clk_get(control_usb->dev,  			"sys_clkin"); diff --git a/drivers/usb/phy/omap-usb3.c b/drivers/usb/phy/omap-usb3.c index fadc0c2b65b..a6e60b1e102 100644 --- a/drivers/usb/phy/omap-usb3.c +++ b/drivers/usb/phy/omap-usb3.c @@ -212,11 +212,9 @@ static int omap_usb3_probe(struct platform_device *pdev)  	}  	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pll_ctrl"); -	phy->pll_ctrl_base = devm_request_and_ioremap(&pdev->dev, res); -	if (!phy->pll_ctrl_base) { -		dev_err(&pdev->dev, "ioremap of pll_ctrl failed\n"); -		return -ENOMEM; -	} +	phy->pll_ctrl_base = devm_ioremap_resource(&pdev->dev, res); +	if (IS_ERR(phy->pll_ctrl_base)) +		return PTR_ERR(phy->pll_ctrl_base);  	phy->dev		= &pdev->dev; diff --git a/drivers/usb/phy/samsung-usbphy.c b/drivers/usb/phy/samsung-usbphy.c index 6ea55373383..967101ec15f 100644 --- a/drivers/usb/phy/samsung-usbphy.c +++ b/drivers/usb/phy/samsung-usbphy.c @@ -787,11 +787,9 @@ static int samsung_usbphy_probe(struct platform_device *pdev)  		return -ENODEV;  	} -	phy_base = devm_request_and_ioremap(dev, phy_mem); -	if (!phy_base) { -		dev_err(dev, "%s: register mapping failed\n", __func__); -		return -ENXIO; -	} +	phy_base = devm_ioremap_resource(dev, phy_mem); +	if (IS_ERR(phy_base)) +		return PTR_ERR(phy_base);  	sphy = devm_kzalloc(dev, sizeof(*sphy), GFP_KERNEL);  	if (!sphy) diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index edc0f0dcad8..4747d1c328f 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -85,6 +85,7 @@ static const struct usb_device_id id_table[] = {  	{ USB_DEVICE(0x10C4, 0x813F) }, /* Tams Master Easy Control */  	{ USB_DEVICE(0x10C4, 0x814A) }, /* West Mountain Radio RIGblaster P&P */  	{ USB_DEVICE(0x10C4, 0x814B) }, /* West Mountain Radio RIGtalk */ +	{ USB_DEVICE(0x2405, 0x0003) }, /* West Mountain Radio RIGblaster Advantage */  	{ USB_DEVICE(0x10C4, 0x8156) }, /* B&G H3000 link cable */  	{ USB_DEVICE(0x10C4, 0x815E) }, /* Helicomm IP-Link 1220-DVM */  	{ USB_DEVICE(0x10C4, 0x815F) }, /* Timewave HamLinkUSB */ @@ -150,6 +151,25 @@ static const struct usb_device_id id_table[] = {  	{ USB_DEVICE(0x1BE3, 0x07A6) }, /* WAGO 750-923 USB Service Cable */  	{ USB_DEVICE(0x1E29, 0x0102) }, /* Festo CPX-USB */  	{ USB_DEVICE(0x1E29, 0x0501) }, /* Festo CMSP */ +	{ USB_DEVICE(0x1FB9, 0x0100) }, /* Lake Shore Model 121 Current Source */ +	{ USB_DEVICE(0x1FB9, 0x0200) }, /* Lake Shore Model 218A Temperature Monitor */ +	{ USB_DEVICE(0x1FB9, 0x0201) }, /* Lake Shore Model 219 Temperature Monitor */ +	{ USB_DEVICE(0x1FB9, 0x0202) }, /* Lake Shore Model 233 Temperature Transmitter */ +	{ USB_DEVICE(0x1FB9, 0x0203) }, /* Lake Shore Model 235 Temperature Transmitter */ +	{ USB_DEVICE(0x1FB9, 0x0300) }, /* Lake Shore Model 335 Temperature Controller */ +	{ USB_DEVICE(0x1FB9, 0x0301) }, /* Lake Shore Model 336 Temperature Controller */ +	{ USB_DEVICE(0x1FB9, 0x0302) }, /* Lake Shore Model 350 Temperature Controller */ +	{ USB_DEVICE(0x1FB9, 0x0303) }, /* Lake Shore Model 371 AC Bridge */ +	{ USB_DEVICE(0x1FB9, 0x0400) }, /* Lake Shore Model 411 Handheld Gaussmeter */ +	{ USB_DEVICE(0x1FB9, 0x0401) }, /* Lake Shore Model 425 Gaussmeter */ +	{ USB_DEVICE(0x1FB9, 0x0402) }, /* Lake Shore Model 455A Gaussmeter */ +	{ USB_DEVICE(0x1FB9, 0x0403) }, /* Lake Shore Model 475A Gaussmeter */ +	{ USB_DEVICE(0x1FB9, 0x0404) }, /* Lake Shore Model 465 Three Axis Gaussmeter */ +	{ USB_DEVICE(0x1FB9, 0x0600) }, /* Lake Shore Model 625A Superconducting MPS */ +	{ USB_DEVICE(0x1FB9, 0x0601) }, /* Lake Shore Model 642A Magnet Power Supply */ +	{ USB_DEVICE(0x1FB9, 0x0602) }, /* Lake Shore Model 648 Magnet Power Supply */ +	{ USB_DEVICE(0x1FB9, 0x0700) }, /* Lake Shore Model 737 VSM Controller */ +	{ USB_DEVICE(0x1FB9, 0x0701) }, /* Lake Shore Model 776 Hall Matrix */  	{ USB_DEVICE(0x3195, 0xF190) }, /* Link Instruments MSO-19 */  	{ USB_DEVICE(0x3195, 0xF280) }, /* Link Instruments MSO-28 */  	{ USB_DEVICE(0x3195, 0xF281) }, /* Link Instruments MSO-28 */ diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index f7d339d8187..558adfc0500 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -341,6 +341,8 @@ static void option_instat_callback(struct urb *urb);  #define CINTERION_PRODUCT_EU3_E			0x0051  #define CINTERION_PRODUCT_EU3_P			0x0052  #define CINTERION_PRODUCT_PH8			0x0053 +#define CINTERION_PRODUCT_AH6			0x0055 +#define CINTERION_PRODUCT_PLS8			0x0060  /* Olivetti products */  #define OLIVETTI_VENDOR_ID			0x0b3c @@ -579,6 +581,7 @@ static const struct usb_device_id option_ids[] = {  	{ USB_DEVICE(QUANTA_VENDOR_ID, 0xea42),  		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },  	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1c05, USB_CLASS_COMM, 0x02, 0xff) }, +	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1c1f, USB_CLASS_COMM, 0x02, 0xff) },  	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1c23, USB_CLASS_COMM, 0x02, 0xff) },  	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E173, 0xff, 0xff, 0xff),  		.driver_info = (kernel_ulong_t) &net_intf1_blacklist }, @@ -1260,6 +1263,8 @@ static const struct usb_device_id option_ids[] = {  	{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_EU3_E) },  	{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_EU3_P) },  	{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PH8) }, +	{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AH6) }, +	{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PLS8) },  	{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) },   	{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) },  	{ USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDM) }, diff --git a/drivers/usb/serial/qcaux.c b/drivers/usb/serial/qcaux.c index 9b1b96f2d09..31f81c3c15e 100644 --- a/drivers/usb/serial/qcaux.c +++ b/drivers/usb/serial/qcaux.c @@ -69,6 +69,7 @@ static struct usb_device_id id_table[] = {  	{ USB_VENDOR_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, 0xff, 0xfd, 0xff) },  /* NMEA */  	{ USB_VENDOR_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, 0xff, 0xfe, 0xff) },  /* WMC */  	{ USB_VENDOR_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, 0xff, 0xff, 0xff) },  /* DIAG */ +	{ USB_DEVICE_AND_INTERFACE_INFO(0x1fac, 0x0151, 0xff, 0xff, 0xff) },  	{ },  };  MODULE_DEVICE_TABLE(usb, id_table); diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index 24662547dc5..59b32b78212 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -197,12 +197,15 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)  	if (is_gobi1k) {  		/* Gobi 1K USB layout: -		 * 0: serial port (doesn't respond) +		 * 0: DM/DIAG (use libqcdm from ModemManager for communication)  		 * 1: serial port (doesn't respond)  		 * 2: AT-capable modem port  		 * 3: QMI/net  		 */ -		if (ifnum == 2) +		if (ifnum == 0) { +			dev_dbg(dev, "Gobi 1K DM/DIAG interface found\n"); +			altsetting = 1; +		} else if (ifnum == 2)  			dev_dbg(dev, "Modem port found\n");  		else  			altsetting = -1; diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c index 00e6c9bac8a..d643a4d4d77 100644 --- a/drivers/usb/serial/quatech2.c +++ b/drivers/usb/serial/quatech2.c @@ -661,7 +661,9 @@ void qt2_process_read_urb(struct urb *urb)  						 __func__);  					break;  				} -				tty_flip_buffer_push(&port->port); + +				if (port_priv->is_open) +					tty_flip_buffer_push(&port->port);  				newport = *(ch + 3); @@ -704,7 +706,8 @@ void qt2_process_read_urb(struct urb *urb)  		tty_insert_flip_string(&port->port, ch, 1);  	} -	tty_flip_buffer_push(&port->port); +	if (port_priv->is_open) +		tty_flip_buffer_push(&port->port);  }  static void qt2_write_bulk_callback(struct urb *urb) diff --git a/drivers/usb/storage/initializers.c b/drivers/usb/storage/initializers.c index 7ab9046ae0e..105d900150c 100644 --- a/drivers/usb/storage/initializers.c +++ b/drivers/usb/storage/initializers.c @@ -92,8 +92,8 @@ int usb_stor_ucr61s2b_init(struct us_data *us)  	return 0;  } -/* This places the HUAWEI usb dongles in multi-port mode */ -static int usb_stor_huawei_feature_init(struct us_data *us) +/* This places the HUAWEI E220 devices in multi-port mode */ +int usb_stor_huawei_e220_init(struct us_data *us)  {  	int result; @@ -104,75 +104,3 @@ static int usb_stor_huawei_feature_init(struct us_data *us)  	US_DEBUGP("Huawei mode set result is %d\n", result);  	return 0;  } - -/* - * It will send a scsi switch command called rewind' to huawei dongle. - * When the dongle receives this command at the first time, - * it will reboot immediately. After rebooted, it will ignore this command. - * So it is  unnecessary to read its response. - */ -static int usb_stor_huawei_scsi_init(struct us_data *us) -{ -	int result = 0; -	int act_len = 0; -	struct bulk_cb_wrap *bcbw = (struct bulk_cb_wrap *) us->iobuf; -	char rewind_cmd[] = {0x11, 0x06, 0x20, 0x00, 0x00, 0x01, 0x01, 0x00, -			0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; - -	bcbw->Signature = cpu_to_le32(US_BULK_CB_SIGN); -	bcbw->Tag = 0; -	bcbw->DataTransferLength = 0; -	bcbw->Flags = bcbw->Lun = 0; -	bcbw->Length = sizeof(rewind_cmd); -	memset(bcbw->CDB, 0, sizeof(bcbw->CDB)); -	memcpy(bcbw->CDB, rewind_cmd, sizeof(rewind_cmd)); - -	result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe, bcbw, -					US_BULK_CB_WRAP_LEN, &act_len); -	US_DEBUGP("transfer actual length=%d, result=%d\n", act_len, result); -	return result; -} - -/* - * It tries to find the supported Huawei USB dongles. - * In Huawei, they assign the following product IDs - * for all of their mobile broadband dongles, - * including the new dongles in the future. - * So if the product ID is not included in this list, - * it means it is not Huawei's mobile broadband dongles. - */ -static int usb_stor_huawei_dongles_pid(struct us_data *us) -{ -	struct usb_interface_descriptor *idesc; -	int idProduct; - -	idesc = &us->pusb_intf->cur_altsetting->desc; -	idProduct = le16_to_cpu(us->pusb_dev->descriptor.idProduct); -	/* The first port is CDROM, -	 * means the dongle in the single port mode, -	 * and a switch command is required to be sent. */ -	if (idesc && idesc->bInterfaceNumber == 0) { -		if ((idProduct == 0x1001) -			|| (idProduct == 0x1003) -			|| (idProduct == 0x1004) -			|| (idProduct >= 0x1401 && idProduct <= 0x1500) -			|| (idProduct >= 0x1505 && idProduct <= 0x1600) -			|| (idProduct >= 0x1c02 && idProduct <= 0x2202)) { -			return 1; -		} -	} -	return 0; -} - -int usb_stor_huawei_init(struct us_data *us) -{ -	int result = 0; - -	if (usb_stor_huawei_dongles_pid(us)) { -		if (le16_to_cpu(us->pusb_dev->descriptor.idProduct) >= 0x1446) -			result = usb_stor_huawei_scsi_init(us); -		else -			result = usb_stor_huawei_feature_init(us); -	} -	return result; -} diff --git a/drivers/usb/storage/initializers.h b/drivers/usb/storage/initializers.h index 5376d4fc76f..529327fbb06 100644 --- a/drivers/usb/storage/initializers.h +++ b/drivers/usb/storage/initializers.h @@ -46,5 +46,5 @@ int usb_stor_euscsi_init(struct us_data *us);   * flash reader */  int usb_stor_ucr61s2b_init(struct us_data *us); -/* This places the HUAWEI usb dongles in multi-port mode */ -int usb_stor_huawei_init(struct us_data *us); +/* This places the HUAWEI E220 devices in multi-port mode */ +int usb_stor_huawei_e220_init(struct us_data *us); diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 72923b56bbf..da04a074e79 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -53,6 +53,14 @@   * as opposed to devices that do something strangely or wrongly.   */ +/* In-kernel mode switching is deprecated.  Do not add new devices to + * this list for the sole purpose of switching them to a different + * mode.  Existing userspace solutions are superior. + * + * New mode switching devices should instead be added to the database + * maintained at http://www.draisberghof.de/usb_modeswitch/ + */ +  #if !defined(CONFIG_USB_STORAGE_SDDR09) && \  		!defined(CONFIG_USB_STORAGE_SDDR09_MODULE)  #define NO_SDDR09 @@ -1527,10 +1535,335 @@ UNUSUAL_DEV(  0x1210, 0x0003, 0x0100, 0x0100,  /* Reported by fangxiaozhi <huananhu@huawei.com>   * This brings the HUAWEI data card devices into multi-port mode   */ -UNUSUAL_VENDOR_INTF(0x12d1, 0x08, 0x06, 0x50, +UNUSUAL_DEV(  0x12d1, 0x1001, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1003, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1004, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1401, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1402, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1403, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1404, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1405, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1406, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1407, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1408, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1409, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x140A, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x140B, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x140C, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x140D, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x140E, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x140F, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1410, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1411, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1412, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1413, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1414, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1415, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1416, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1417, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1418, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1419, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x141A, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x141B, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x141C, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x141D, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x141E, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x141F, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1420, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1421, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1422, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1423, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1424, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1425, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1426, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1427, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1428, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1429, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x142A, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x142B, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x142C, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x142D, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x142E, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x142F, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1430, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1431, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1432, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1433, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1434, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1435, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1436, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1437, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1438, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x1439, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x143A, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x143B, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x143C, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x143D, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x143E, 0x0000, 0x0000, +		"HUAWEI MOBILE", +		"Mass Storage", +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, +		0), +UNUSUAL_DEV(  0x12d1, 0x143F, 0x0000, 0x0000,  		"HUAWEI MOBILE",  		"Mass Storage", -		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_init, +		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,  		0),  /* Reported by Vilius Bilinkevicius <vilisas AT xxx DOT lt) */ diff --git a/drivers/video/omap/lcd_ams_delta.c b/drivers/video/omap/lcd_ams_delta.c index ed4cad87fbc..4a5f2cd3d3b 100644 --- a/drivers/video/omap/lcd_ams_delta.c +++ b/drivers/video/omap/lcd_ams_delta.c @@ -27,6 +27,7 @@  #include <linux/lcd.h>  #include <linux/gpio.h> +#include <mach/hardware.h>  #include <mach/board-ams-delta.h>  #include "omapfb.h" diff --git a/drivers/video/omap/lcd_osk.c b/drivers/video/omap/lcd_osk.c index 3aa62da8919..7fbe04bce0e 100644 --- a/drivers/video/omap/lcd_osk.c +++ b/drivers/video/omap/lcd_osk.c @@ -24,7 +24,10 @@  #include <linux/platform_device.h>  #include <asm/gpio.h> + +#include <mach/hardware.h>  #include <mach/mux.h> +  #include "omapfb.h"  static int osk_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev) diff --git a/drivers/w1/masters/w1-gpio.c b/drivers/w1/masters/w1-gpio.c index d39dfa4cc23..46d97014342 100644 --- a/drivers/w1/masters/w1-gpio.c +++ b/drivers/w1/masters/w1-gpio.c @@ -47,11 +47,13 @@ static u8 w1_gpio_read_bit(void *data)  	return gpio_get_value(pdata->pin) ? 1 : 0;  } +#if defined(CONFIG_OF)  static struct of_device_id w1_gpio_dt_ids[] = {  	{ .compatible = "w1-gpio" },  	{}  };  MODULE_DEVICE_TABLE(of, w1_gpio_dt_ids); +#endif  static int w1_gpio_probe_dt(struct platform_device *pdev)  { @@ -158,7 +160,7 @@ static int w1_gpio_probe(struct platform_device *pdev)  	return err;  } -static int __exit w1_gpio_remove(struct platform_device *pdev) +static int w1_gpio_remove(struct platform_device *pdev)  {  	struct w1_bus_master *master = platform_get_drvdata(pdev);  	struct w1_gpio_platform_data *pdata = pdev->dev.platform_data; @@ -210,7 +212,7 @@ static struct platform_driver w1_gpio_driver = {  		.of_match_table = of_match_ptr(w1_gpio_dt_ids),  	},  	.probe = w1_gpio_probe, -	.remove	= __exit_p(w1_gpio_remove), +	.remove	= w1_gpio_remove,  	.suspend = w1_gpio_suspend,  	.resume = w1_gpio_resume,  }; diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c index 7994d933f04..7ce277d2bb6 100644 --- a/drivers/w1/w1.c +++ b/drivers/w1/w1.c @@ -924,7 +924,8 @@ void w1_search(struct w1_master *dev, u8 search_type, w1_slave_found_callback cb  			tmp64 = (triplet_ret >> 2);  			rn |= (tmp64 << i); -			if (kthread_should_stop()) { +			/* ensure we're called from kthread and not by netlink callback */ +			if (!dev->priv && kthread_should_stop()) {  				mutex_unlock(&dev->bus_mutex);  				dev_dbg(&dev->dev, "Abort w1_search\n");  				return; diff --git a/drivers/xen/xen-acpi-processor.c b/drivers/xen/xen-acpi-processor.c index 316df65163c..f3278a6603c 100644 --- a/drivers/xen/xen-acpi-processor.c +++ b/drivers/xen/xen-acpi-processor.c @@ -500,16 +500,16 @@ static int __init xen_acpi_processor_init(void)  	(void)acpi_processor_preregister_performance(acpi_perf_data);  	for_each_possible_cpu(i) { +		struct acpi_processor *pr;  		struct acpi_processor_performance *perf; +		pr = per_cpu(processors, i);  		perf = per_cpu_ptr(acpi_perf_data, i); -		rc = acpi_processor_register_performance(perf, i); +		pr->performance = perf; +		rc = acpi_processor_get_performance_info(pr);  		if (rc)  			goto err_out;  	} -	rc = acpi_processor_notify_smm(THIS_MODULE); -	if (rc) -		goto err_unregister;  	for_each_possible_cpu(i) {  		struct acpi_processor *_pr; diff --git a/drivers/xen/xen-pciback/pciback_ops.c b/drivers/xen/xen-pciback/pciback_ops.c index 37c1f825f51..b98cf0c3572 100644 --- a/drivers/xen/xen-pciback/pciback_ops.c +++ b/drivers/xen/xen-pciback/pciback_ops.c @@ -113,7 +113,8 @@ void xen_pcibk_reset_device(struct pci_dev *dev)  		if (dev->msi_enabled)  			pci_disable_msi(dev);  #endif -		pci_disable_device(dev); +		if (pci_is_enabled(dev)) +			pci_disable_device(dev);  		pci_write_config_word(dev, PCI_COMMAND, 0); diff --git a/drivers/xen/xen-stub.c b/drivers/xen/xen-stub.c index d85e411cbf8..bbef194c5b0 100644 --- a/drivers/xen/xen-stub.c +++ b/drivers/xen/xen-stub.c @@ -25,7 +25,6 @@  #include <linux/export.h>  #include <linux/types.h>  #include <linux/acpi.h> -#include <acpi/acpi_drivers.h>  #include <xen/acpi.h>  #ifdef CONFIG_ACPI diff --git a/drivers/xen/xenfs/super.c b/drivers/xen/xenfs/super.c index ec0abb6df3c..71679875f05 100644 --- a/drivers/xen/xenfs/super.c +++ b/drivers/xen/xenfs/super.c @@ -75,6 +75,7 @@ static struct file_system_type xenfs_type = {  	.mount =	xenfs_mount,  	.kill_sb =	kill_litter_super,  }; +MODULE_ALIAS_FS("xenfs");  static int __init xenfs_init(void)  {  |