diff options
Diffstat (limited to 'drivers/usb')
45 files changed, 398 insertions, 215 deletions
diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig index 4c90b510d01..640ae6c6d2d 100644 --- a/drivers/usb/Kconfig +++ b/drivers/usb/Kconfig @@ -37,6 +37,7 @@ config USB_ARCH_HAS_EHCI  	default y if ARCH_W90X900  	default y if ARCH_AT91  	default y if ARCH_MXC +	default y if ARCH_MXS  	default y if ARCH_OMAP3  	default y if ARCH_CNS3XXX  	default y if ARCH_VT8500 diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c index caecad9213f..8e9d31277c4 100644 --- a/drivers/usb/chipidea/host.c +++ b/drivers/usb/chipidea/host.c @@ -70,6 +70,9 @@ static int host_start(struct ci13xxx *ci)  	else  		ci->hcd = hcd; +	if (ci->platdata->flags & CI13XXX_DISABLE_STREAMING) +		hw_write(ci, OP_USBMODE, USBMODE_CI_SDIS, USBMODE_CI_SDIS); +  	return ret;  } diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 8d809a811e1..2d92cce260d 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1602,6 +1602,9 @@ static const struct usb_device_id acm_ids[] = {  	{ USB_DEVICE(0x0572, 0x1340), /* Conexant CX93010-2x UCMxx */  	.driver_info = NO_UNION_NORMAL,  	}, +	{ USB_DEVICE(0x05f9, 0x4002), /* PSC Scanning, Magellan 800i */ +	.driver_info = NO_UNION_NORMAL, +	},  	{ USB_DEVICE(0x1bbb, 0x0003), /* Alcatel OT-I650 */  	.driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */  	}, diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index a815fd2cc5e..957ed2c4148 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -877,6 +877,60 @@ static int hub_hub_status(struct usb_hub *hub,  	return ret;  } +static int hub_set_port_link_state(struct usb_hub *hub, int port1, +			unsigned int link_status) +{ +	return set_port_feature(hub->hdev, +			port1 | (link_status << 3), +			USB_PORT_FEAT_LINK_STATE); +} + +/* + * If USB 3.0 ports are placed into the Disabled state, they will no longer + * detect any device connects or disconnects.  This is generally not what the + * USB core wants, since it expects a disabled port to produce a port status + * change event when a new device connects. + * + * Instead, set the link state to Disabled, wait for the link to settle into + * that state, clear any change bits, and then put the port into the RxDetect + * state. + */ +static int hub_usb3_port_disable(struct usb_hub *hub, int port1) +{ +	int ret; +	int total_time; +	u16 portchange, portstatus; + +	if (!hub_is_superspeed(hub->hdev)) +		return -EINVAL; + +	ret = hub_set_port_link_state(hub, port1, USB_SS_PORT_LS_SS_DISABLED); +	if (ret) { +		dev_err(hub->intfdev, "cannot disable port %d (err = %d)\n", +				port1, ret); +		return ret; +	} + +	/* Wait for the link to enter the disabled state. */ +	for (total_time = 0; ; total_time += HUB_DEBOUNCE_STEP) { +		ret = hub_port_status(hub, port1, &portstatus, &portchange); +		if (ret < 0) +			return ret; + +		if ((portstatus & USB_PORT_STAT_LINK_STATE) == +				USB_SS_PORT_LS_SS_DISABLED) +			break; +		if (total_time >= HUB_DEBOUNCE_TIMEOUT) +			break; +		msleep(HUB_DEBOUNCE_STEP); +	} +	if (total_time >= HUB_DEBOUNCE_TIMEOUT) +		dev_warn(hub->intfdev, "Could not disable port %d after %d ms\n", +				port1, total_time); + +	return hub_set_port_link_state(hub, port1, USB_SS_PORT_LS_RX_DETECT); +} +  static int hub_port_disable(struct usb_hub *hub, int port1, int set_state)  {  	struct usb_device *hdev = hub->hdev; @@ -885,8 +939,13 @@ static int hub_port_disable(struct usb_hub *hub, int port1, int set_state)  	if (hub->ports[port1 - 1]->child && set_state)  		usb_set_device_state(hub->ports[port1 - 1]->child,  				USB_STATE_NOTATTACHED); -	if (!hub->error && !hub_is_superspeed(hub->hdev)) -		ret = clear_port_feature(hdev, port1, USB_PORT_FEAT_ENABLE); +	if (!hub->error) { +		if (hub_is_superspeed(hub->hdev)) +			ret = hub_usb3_port_disable(hub, port1); +		else +			ret = clear_port_feature(hdev, port1, +					USB_PORT_FEAT_ENABLE); +	}  	if (ret)  		dev_err(hub->intfdev, "cannot disable port %d (err = %d)\n",  				port1, ret); @@ -2440,7 +2499,7 @@ static unsigned hub_is_wusb(struct usb_hub *hub)  #define HUB_SHORT_RESET_TIME	10  #define HUB_BH_RESET_TIME	50  #define HUB_LONG_RESET_TIME	200 -#define HUB_RESET_TIMEOUT	500 +#define HUB_RESET_TIMEOUT	800  static int hub_port_reset(struct usb_hub *hub, int port1,  			struct usb_device *udev, unsigned int delay, bool warm); @@ -2475,6 +2534,10 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1,  		if (ret < 0)  			return ret; +		/* The port state is unknown until the reset completes. */ +		if ((portstatus & USB_PORT_STAT_RESET)) +			goto delay; +  		/*  		 * Some buggy devices require a warm reset to be issued even  		 * when the port appears not to be connected. @@ -2520,11 +2583,7 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1,  			if ((portchange & USB_PORT_STAT_C_CONNECTION))  				return -ENOTCONN; -			/* if we`ve finished resetting, then break out of -			 * the loop -			 */ -			if (!(portstatus & USB_PORT_STAT_RESET) && -			    (portstatus & USB_PORT_STAT_ENABLE)) { +			if ((portstatus & USB_PORT_STAT_ENABLE)) {  				if (hub_is_wusb(hub))  					udev->speed = USB_SPEED_WIRELESS;  				else if (hub_is_superspeed(hub->hdev)) @@ -2538,10 +2597,15 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1,  				return 0;  			}  		} else { -			if (portchange & USB_PORT_STAT_C_BH_RESET) -				return 0; +			if (!(portstatus & USB_PORT_STAT_CONNECTION) || +					hub_port_warm_reset_required(hub, +						portstatus)) +				return -ENOTCONN; + +			return 0;  		} +delay:  		/* switch to the long delay after two short delay failures */  		if (delay_time >= 2 * HUB_SHORT_RESET_TIME)  			delay = HUB_LONG_RESET_TIME; @@ -2565,14 +2629,11 @@ static void hub_port_finish_reset(struct usb_hub *hub, int port1,  			msleep(10 + 40);  			update_devnum(udev, 0);  			hcd = bus_to_hcd(udev->bus); -			if (hcd->driver->reset_device) { -				*status = hcd->driver->reset_device(hcd, udev); -				if (*status < 0) { -					dev_err(&udev->dev, "Cannot reset " -							"HCD device state\n"); -					break; -				} -			} +			/* The xHC may think the device is already reset, +			 * so ignore the status. +			 */ +			if (hcd->driver->reset_device) +				hcd->driver->reset_device(hcd, udev);  		}  		/* FALL THROUGH */  	case -ENOTCONN: @@ -2580,16 +2641,16 @@ static void hub_port_finish_reset(struct usb_hub *hub, int port1,  		clear_port_feature(hub->hdev,  				port1, USB_PORT_FEAT_C_RESET);  		/* FIXME need disconnect() for NOTATTACHED device */ -		if (warm) { +		if (hub_is_superspeed(hub->hdev)) {  			clear_port_feature(hub->hdev, port1,  					USB_PORT_FEAT_C_BH_PORT_RESET);  			clear_port_feature(hub->hdev, port1,  					USB_PORT_FEAT_C_PORT_LINK_STATE); -		} else { +		} +		if (!warm)  			usb_set_device_state(udev, *status  					? USB_STATE_NOTATTACHED  					: USB_STATE_DEFAULT); -		}  		break;  	}  } @@ -2939,7 +3000,7 @@ int usb_port_suspend(struct usb_device *udev, pm_message_t msg)  static int finish_port_resume(struct usb_device *udev)  {  	int	status = 0; -	u16	devstatus; +	u16	devstatus = 0;  	/* caller owns the udev device lock */  	dev_dbg(&udev->dev, "%s\n", @@ -2984,7 +3045,13 @@ static int finish_port_resume(struct usb_device *udev)  	if (status) {  		dev_dbg(&udev->dev, "gone after usb resume? status %d\n",  				status); -	} else if (udev->actconfig) { +	/* +	 * There are a few quirky devices which violate the standard +	 * by claiming to have remote wakeup enabled after a reset, +	 * which crash if the feature is cleared, hence check for +	 * udev->reset_resume +	 */ +	} else if (udev->actconfig && !udev->reset_resume) {  		le16_to_cpus(&devstatus);  		if (devstatus & (1 << USB_DEVICE_REMOTE_WAKEUP)) {  			status = usb_control_msg(udev, @@ -4638,9 +4705,14 @@ static void hub_events(void)  			 * SS.Inactive state.  			 */  			if (hub_port_warm_reset_required(hub, portstatus)) { +				int status; +  				dev_dbg(hub_dev, "warm reset port %d\n", i); -				hub_port_reset(hub, i, NULL, +				status = hub_port_reset(hub, i, NULL,  						HUB_BH_RESET_TIME, true); +				if (status < 0) +					hub_port_disable(hub, i, 1); +				connect_change = 0;  			}  			if (connect_change) diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index fdefd9c7f7a..3113c1d7144 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -43,6 +43,9 @@ static const struct usb_device_id usb_quirk_list[] = {  	/* Creative SB Audigy 2 NX */  	{ USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME }, +	/* Microsoft LifeCam-VX700 v2.0 */ +	{ USB_DEVICE(0x045e, 0x0770), .driver_info = USB_QUIRK_RESET_RESUME }, +  	/* Logitech Quickcam Fusion */  	{ USB_DEVICE(0x046d, 0x08c1), .driver_info = USB_QUIRK_RESET_RESUME }, diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c index 92604b4f971..5945aadaa1c 100644 --- a/drivers/usb/dwc3/debugfs.c +++ b/drivers/usb/dwc3/debugfs.c @@ -56,7 +56,7 @@  #define dump_register(nm)				\  {							\  	.name	= __stringify(nm),			\ -	.offset	= DWC3_ ##nm,				\ +	.offset	= DWC3_ ##nm - DWC3_GLOBALS_REGS_START,	\  }  static const struct debugfs_reg32 dwc3_regs[] = { diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 2e43b332aae..2fdd767f8fe 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1605,6 +1605,7 @@ static int dwc3_gadget_init_endpoints(struct dwc3 *dwc)  		if (epnum == 0 || epnum == 1) {  			dep->endpoint.maxpacket = 512; +			dep->endpoint.maxburst = 1;  			dep->endpoint.ops = &dwc3_gadget_ep0_ops;  			if (!epnum)  				dwc->gadget.ep0 = &dep->endpoint; diff --git a/drivers/usb/gadget/amd5536udc.c b/drivers/usb/gadget/amd5536udc.c index fc0ec5e0d58..d9f6b937249 100644 --- a/drivers/usb/gadget/amd5536udc.c +++ b/drivers/usb/gadget/amd5536udc.c @@ -3231,7 +3231,7 @@ static int udc_pci_probe(  	}  	if (!pdev->irq) { -		dev_err(&dev->pdev->dev, "irq not set\n"); +		dev_err(&pdev->dev, "irq not set\n");  		kfree(dev);  		dev = NULL;  		retval = -ENODEV; @@ -3250,7 +3250,7 @@ static int udc_pci_probe(  	dev->txfifo = (u32 __iomem *)(dev->virt_addr + UDC_TXFIFO_ADDR);  	if (request_irq(pdev->irq, udc_irq, IRQF_SHARED, name, dev) != 0) { -		dev_dbg(&dev->pdev->dev, "request_irq(%d) fail\n", pdev->irq); +		dev_dbg(&pdev->dev, "request_irq(%d) fail\n", pdev->irq);  		kfree(dev);  		dev = NULL;  		retval = -EBUSY; diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c index 95d584dbed1..8cf0c0f6fa1 100644 --- a/drivers/usb/gadget/dummy_hcd.c +++ b/drivers/usb/gadget/dummy_hcd.c @@ -130,10 +130,7 @@ static const char ep0name[] = "ep0";  static const char *const ep_name[] = {  	ep0name,				/* everyone has ep0 */ -	/* act like a net2280: high speed, six configurable endpoints */ -	"ep-a", "ep-b", "ep-c", "ep-d", "ep-e", "ep-f", - -	/* or like pxa250: fifteen fixed function endpoints */ +	/* act like a pxa250: fifteen fixed function endpoints */  	"ep1in-bulk", "ep2out-bulk", "ep3in-iso", "ep4out-iso", "ep5in-int",  	"ep6in-bulk", "ep7out-bulk", "ep8in-iso", "ep9out-iso", "ep10in-int",  	"ep11in-bulk", "ep12out-bulk", "ep13in-iso", "ep14out-iso", @@ -141,6 +138,10 @@ static const char *const ep_name[] = {  	/* or like sa1100: two fixed function endpoints */  	"ep1out-bulk", "ep2in-bulk", + +	/* and now some generic EPs so we have enough in multi config */ +	"ep3out", "ep4in", "ep5out", "ep6out", "ep7in", "ep8out", "ep9in", +	"ep10out", "ep11out", "ep12in", "ep13out", "ep14in", "ep15out",  };  #define DUMMY_ENDPOINTS	ARRAY_SIZE(ep_name) diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index 4a6961c517f..8c2f2512114 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -1153,15 +1153,15 @@ static int ffs_fs_parse_opts(struct ffs_sb_fill_data *data, char *opts)  					pr_err("%s: unmapped value: %lu\n", opts, value);  					return -EINVAL;  				} -			} -			else if (!memcmp(opts, "gid", 3)) +			} else if (!memcmp(opts, "gid", 3)) {  				data->perms.gid = make_kgid(current_user_ns(), value);  				if (!gid_valid(data->perms.gid)) {  					pr_err("%s: unmapped value: %lu\n", opts, value);  					return -EINVAL;  				} -			else +			} else {  				goto invalid; +			}  			break;  		default: diff --git a/drivers/usb/gadget/fsl_mxc_udc.c b/drivers/usb/gadget/fsl_mxc_udc.c index 1b0f086426b..d3bd7b095ba 100644 --- a/drivers/usb/gadget/fsl_mxc_udc.c +++ b/drivers/usb/gadget/fsl_mxc_udc.c @@ -18,14 +18,13 @@  #include <linux/platform_device.h>  #include <linux/io.h> -#include <mach/hardware.h> -  static struct clk *mxc_ahb_clk;  static struct clk *mxc_per_clk;  static struct clk *mxc_ipg_clk;  /* workaround ENGcm09152 for i.MX35 */ -#define USBPHYCTRL_OTGBASE_OFFSET	0x608 +#define MX35_USBPHYCTRL_OFFSET		0x600 +#define USBPHYCTRL_OTGBASE_OFFSET	0x8  #define USBPHYCTRL_EVDO			(1 << 23)  int fsl_udc_clk_init(struct platform_device *pdev) @@ -59,7 +58,7 @@ int fsl_udc_clk_init(struct platform_device *pdev)  	clk_prepare_enable(mxc_per_clk);  	/* make sure USB_CLK is running at 60 MHz +/- 1000 Hz */ -	if (!cpu_is_mx51()) { +	if (!strcmp(pdev->id_entry->name, "imx-udc-mx27")) {  		freq = clk_get_rate(mxc_per_clk);  		if (pdata->phy_mode != FSL_USB2_PHY_ULPI &&  		    (freq < 59999000 || freq > 60001000)) { @@ -79,27 +78,40 @@ eclkrate:  	return ret;  } -void fsl_udc_clk_finalize(struct platform_device *pdev) +int fsl_udc_clk_finalize(struct platform_device *pdev)  {  	struct fsl_usb2_platform_data *pdata = pdev->dev.platform_data; -	if (cpu_is_mx35()) { -		unsigned int v; +	int ret = 0; -		/* workaround ENGcm09152 for i.MX35 */ -		if (pdata->workaround & FLS_USB2_WORKAROUND_ENGCM09152) { -			v = readl(MX35_IO_ADDRESS(MX35_USB_BASE_ADDR + -					USBPHYCTRL_OTGBASE_OFFSET)); -			writel(v | USBPHYCTRL_EVDO, -				MX35_IO_ADDRESS(MX35_USB_BASE_ADDR + -					USBPHYCTRL_OTGBASE_OFFSET)); +	/* workaround ENGcm09152 for i.MX35 */ +	if (pdata->workaround & FLS_USB2_WORKAROUND_ENGCM09152) { +		unsigned int v; +		struct resource *res = platform_get_resource +			(pdev, IORESOURCE_MEM, 0); +		void __iomem *phy_regs = ioremap(res->start + +						MX35_USBPHYCTRL_OFFSET, 512); +		if (!phy_regs) { +			dev_err(&pdev->dev, "ioremap for phy address fails\n"); +			ret = -EINVAL; +			goto ioremap_err;  		} + +		v = readl(phy_regs + USBPHYCTRL_OTGBASE_OFFSET); +		writel(v | USBPHYCTRL_EVDO, +			phy_regs + USBPHYCTRL_OTGBASE_OFFSET); + +		iounmap(phy_regs);  	} + +ioremap_err:  	/* ULPI transceivers don't need usbpll */  	if (pdata->phy_mode == FSL_USB2_PHY_ULPI) {  		clk_disable_unprepare(mxc_per_clk);  		mxc_per_clk = NULL;  	} + +	return ret;  }  void fsl_udc_clk_release(void) diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c index c19f7f13790..667275cb7ba 100644 --- a/drivers/usb/gadget/fsl_udc_core.c +++ b/drivers/usb/gadget/fsl_udc_core.c @@ -41,6 +41,7 @@  #include <linux/fsl_devices.h>  #include <linux/dmapool.h>  #include <linux/delay.h> +#include <linux/of_device.h>  #include <asm/byteorder.h>  #include <asm/io.h> @@ -2438,11 +2439,6 @@ static int __init fsl_udc_probe(struct platform_device *pdev)  	unsigned int i;  	u32 dccparams; -	if (strcmp(pdev->name, driver_name)) { -		VDBG("Wrong device"); -		return -ENODEV; -	} -  	udc_controller = kzalloc(sizeof(struct fsl_udc), GFP_KERNEL);  	if (udc_controller == NULL) {  		ERR("malloc udc failed\n"); @@ -2547,7 +2543,9 @@ static int __init fsl_udc_probe(struct platform_device *pdev)  		dr_controller_setup(udc_controller);  	} -	fsl_udc_clk_finalize(pdev); +	ret = fsl_udc_clk_finalize(pdev); +	if (ret) +		goto err_free_irq;  	/* Setup gadget structure */  	udc_controller->gadget.ops = &fsl_gadget_ops; @@ -2756,22 +2754,32 @@ static int fsl_udc_otg_resume(struct device *dev)  	return fsl_udc_resume(NULL);  } -  /*-------------------------------------------------------------------------  	Register entry point for the peripheral controller driver  --------------------------------------------------------------------------*/ - +static const struct platform_device_id fsl_udc_devtype[] = { +	{ +		.name = "imx-udc-mx27", +	}, { +		.name = "imx-udc-mx51", +	}, { +		/* sentinel */ +	} +}; +MODULE_DEVICE_TABLE(platform, fsl_udc_devtype);  static struct platform_driver udc_driver = { -	.remove  = __exit_p(fsl_udc_remove), +	.remove		= __exit_p(fsl_udc_remove), +	/* Just for FSL i.mx SoC currently */ +	.id_table	= fsl_udc_devtype,  	/* these suspend and resume are not usb suspend and resume */ -	.suspend = fsl_udc_suspend, -	.resume  = fsl_udc_resume, -	.driver  = { -		.name = (char *)driver_name, -		.owner = THIS_MODULE, -		/* udc suspend/resume called from OTG driver */ -		.suspend = fsl_udc_otg_suspend, -		.resume  = fsl_udc_otg_resume, +	.suspend	= fsl_udc_suspend, +	.resume		= fsl_udc_resume, +	.driver		= { +			.name = (char *)driver_name, +			.owner = THIS_MODULE, +			/* udc suspend/resume called from OTG driver */ +			.suspend = fsl_udc_otg_suspend, +			.resume  = fsl_udc_otg_resume,  	},  }; diff --git a/drivers/usb/gadget/fsl_usb2_udc.h b/drivers/usb/gadget/fsl_usb2_udc.h index f61a967f708..c6703bb07b2 100644 --- a/drivers/usb/gadget/fsl_usb2_udc.h +++ b/drivers/usb/gadget/fsl_usb2_udc.h @@ -592,15 +592,16 @@ static inline struct ep_queue_head *get_qh_by_ep(struct fsl_ep *ep)  struct platform_device;  #ifdef CONFIG_ARCH_MXC  int fsl_udc_clk_init(struct platform_device *pdev); -void fsl_udc_clk_finalize(struct platform_device *pdev); +int fsl_udc_clk_finalize(struct platform_device *pdev);  void fsl_udc_clk_release(void);  #else  static inline int fsl_udc_clk_init(struct platform_device *pdev)  {  	return 0;  } -static inline void fsl_udc_clk_finalize(struct platform_device *pdev) +static inline int fsl_udc_clk_finalize(struct platform_device *pdev)  { +	return 0;  }  static inline void fsl_udc_clk_release(void)  { diff --git a/drivers/usb/gadget/mv_udc_core.c b/drivers/usb/gadget/mv_udc_core.c index 379aac7b82f..6e8b1272ebc 100644 --- a/drivers/usb/gadget/mv_udc_core.c +++ b/drivers/usb/gadget/mv_udc_core.c @@ -1012,7 +1012,7 @@ static void udc_clock_enable(struct mv_udc *udc)  	unsigned int i;  	for (i = 0; i < udc->clknum; i++) -		clk_enable(udc->clk[i]); +		clk_prepare_enable(udc->clk[i]);  }  static void udc_clock_disable(struct mv_udc *udc) @@ -1020,7 +1020,7 @@ static void udc_clock_disable(struct mv_udc *udc)  	unsigned int i;  	for (i = 0; i < udc->clknum; i++) -		clk_disable(udc->clk[i]); +		clk_disable_unprepare(udc->clk[i]);  }  static void udc_stop(struct mv_udc *udc) diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c index 141971d9051..439c3f972f8 100644 --- a/drivers/usb/gadget/s3c-hsotg.c +++ b/drivers/usb/gadget/s3c-hsotg.c @@ -3477,12 +3477,11 @@ static void s3c_hsotg_delete_debug(struct s3c_hsotg *hsotg)  /**   * s3c_hsotg_release - release callback for hsotg device   * @dev: Device to for which release is called + * + * Nothing to do as the resource is allocated using devm_ API.   */  static void s3c_hsotg_release(struct device *dev)  { -	struct s3c_hsotg *hsotg = dev_get_drvdata(dev); - -	kfree(hsotg);  }  /** diff --git a/drivers/usb/gadget/tcm_usb_gadget.c b/drivers/usb/gadget/tcm_usb_gadget.c index 4f7f76f00c7..7cacd6ae818 100644 --- a/drivers/usb/gadget/tcm_usb_gadget.c +++ b/drivers/usb/gadget/tcm_usb_gadget.c @@ -1794,9 +1794,10 @@ static int tcm_usbg_drop_nexus(struct usbg_tpg *tpg)  	tpg->tpg_nexus = NULL;  	kfree(tv_nexus); +	ret = 0;  out:  	mutex_unlock(&tpg->tpg_mutex); -	return 0; +	return ret;  }  static ssize_t tcm_usbg_tpg_store_nexus( diff --git a/drivers/usb/gadget/u_serial.c b/drivers/usb/gadget/u_serial.c index d0f95482f40..598dcc1212f 100644 --- a/drivers/usb/gadget/u_serial.c +++ b/drivers/usb/gadget/u_serial.c @@ -887,7 +887,7 @@ static void gs_close(struct tty_struct *tty, struct file *file)  	pr_debug("gs_close: ttyGS%d (%p,%p) done!\n",  			port->port_num, tty, file); -	wake_up_interruptible(&port->port.close_wait); +	wake_up(&port->port.close_wait);  exit:  	spin_unlock_irq(&port->port_lock);  } diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index d6bb128ce21..3a21c5d683c 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -148,7 +148,7 @@ config USB_EHCI_FSL  	  Variation of ARC USB block used in some Freescale chips.  config USB_EHCI_MXC -	bool "Support for Freescale i.MX on-chip EHCI USB controller" +	tristate "Support for Freescale i.MX on-chip EHCI USB controller"  	depends on USB_EHCI_HCD && ARCH_MXC  	select USB_EHCI_ROOT_HUB_TT  	---help--- diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index 1eb4c3006e9..001fbff2fde 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -26,6 +26,7 @@ obj-$(CONFIG_PCI)		+= pci-quirks.o  obj-$(CONFIG_USB_EHCI_HCD)	+= ehci-hcd.o  obj-$(CONFIG_USB_EHCI_PCI)	+= ehci-pci.o  obj-$(CONFIG_USB_EHCI_HCD_PLATFORM)	+= ehci-platform.o +obj-$(CONFIG_USB_EHCI_MXC)	+= ehci-mxc.o  obj-$(CONFIG_USB_OXU210HP_HCD)	+= oxu210hp-hcd.o  obj-$(CONFIG_USB_ISP116X_HCD)	+= isp116x-hcd.o diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index fd9b5424b86..d81d2fcbff1 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -230,7 +230,7 @@ static int ehci_fsl_setup_phy(struct usb_hcd *hcd,  	switch (phy_mode) {  	case FSL_USB2_PHY_ULPI: -		if (pdata->controller_ver) { +		if (pdata->have_sysif_regs && pdata->controller_ver) {  			/* controller version 1.6 or above */  			setbits32(non_ehci + FSL_SOC_USB_CTRL,  					ULPI_PHY_CLK_SEL); @@ -251,7 +251,7 @@ static int ehci_fsl_setup_phy(struct usb_hcd *hcd,  		portsc |= PORT_PTS_PTW;  		/* fall through */  	case FSL_USB2_PHY_UTMI: -		if (pdata->controller_ver) { +		if (pdata->have_sysif_regs && pdata->controller_ver) {  			/* controller version 1.6 or above */  			setbits32(non_ehci + FSL_SOC_USB_CTRL, UTMI_PHY_EN);  			mdelay(FSL_UTMI_PHY_DLY);  /* Delay for UTMI PHY CLK to @@ -267,7 +267,8 @@ static int ehci_fsl_setup_phy(struct usb_hcd *hcd,  		break;  	} -	if (pdata->controller_ver && (phy_mode == FSL_USB2_PHY_ULPI)) { +	if (pdata->have_sysif_regs && pdata->controller_ver && +	    (phy_mode == FSL_USB2_PHY_ULPI)) {  		/* check PHY_CLK_VALID to get phy clk valid */  		if (!spin_event_timeout(in_be32(non_ehci + FSL_SOC_USB_CTRL) &  				PHY_CLK_VALID, FSL_USB_PHY_CLK_TIMEOUT, 0)) { @@ -278,7 +279,7 @@ static int ehci_fsl_setup_phy(struct usb_hcd *hcd,  	ehci_writel(ehci, portsc, &ehci->regs->port_status[port_offset]); -	if (phy_mode != FSL_USB2_PHY_ULPI) +	if (phy_mode != FSL_USB2_PHY_ULPI && pdata->have_sysif_regs)  		setbits32(non_ehci + FSL_SOC_USB_CTRL, USB_CTRL_USB_EN);  	return 0; diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index c97503bb0b0..09537b2f100 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -74,10 +74,6 @@ static const char	hcd_name [] = "ehci_hcd";  #undef VERBOSE_DEBUG  #undef EHCI_URB_TRACE -#ifdef DEBUG -#define EHCI_STATS -#endif -  /* magic numbers that can affect system performance */  #define	EHCI_TUNE_CERR		3	/* 0-3 qtd retries; 0 == don't stop */  #define	EHCI_TUNE_RL_HS		4	/* nak throttle; see 4.9 */ @@ -1250,11 +1246,6 @@ MODULE_LICENSE ("GPL");  #define	PLATFORM_DRIVER		ehci_fsl_driver  #endif -#ifdef CONFIG_USB_EHCI_MXC -#include "ehci-mxc.c" -#define PLATFORM_DRIVER		ehci_mxc_driver -#endif -  #ifdef CONFIG_USB_EHCI_SH  #include "ehci-sh.c"  #define PLATFORM_DRIVER		ehci_hcd_sh_driver @@ -1352,7 +1343,8 @@ MODULE_LICENSE ("GPL");  #if !IS_ENABLED(CONFIG_USB_EHCI_PCI) && \  	!IS_ENABLED(CONFIG_USB_EHCI_HCD_PLATFORM) && \ -	!defined(CONFIG_USB_CHIPIDEA_HOST) && \ +	!IS_ENABLED(CONFIG_USB_CHIPIDEA_HOST) && \ +	!IS_ENABLED(CONFIG_USB_EHCI_MXC) && \  	!defined(PLATFORM_DRIVER) && \  	!defined(PS3_SYSTEM_BUS_DRIVER) && \  	!defined(OF_PLATFORM_DRIVER) && \ diff --git a/drivers/usb/host/ehci-mv.c b/drivers/usb/host/ehci-mv.c index f7bfc0b898b..6c56297ea16 100644 --- a/drivers/usb/host/ehci-mv.c +++ b/drivers/usb/host/ehci-mv.c @@ -43,7 +43,7 @@ static void ehci_clock_enable(struct ehci_hcd_mv *ehci_mv)  	unsigned int i;  	for (i = 0; i < ehci_mv->clknum; i++) -		clk_enable(ehci_mv->clk[i]); +		clk_prepare_enable(ehci_mv->clk[i]);  }  static void ehci_clock_disable(struct ehci_hcd_mv *ehci_mv) @@ -51,7 +51,7 @@ static void ehci_clock_disable(struct ehci_hcd_mv *ehci_mv)  	unsigned int i;  	for (i = 0; i < ehci_mv->clknum; i++) -		clk_disable(ehci_mv->clk[i]); +		clk_disable_unprepare(ehci_mv->clk[i]);  }  static int mv_ehci_enable(struct ehci_hcd_mv *ehci_mv) diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c index ec7f5d2c90d..dedb80bb8d4 100644 --- a/drivers/usb/host/ehci-mxc.c +++ b/drivers/usb/host/ehci-mxc.c @@ -17,75 +17,38 @@   * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.   */ +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/io.h>  #include <linux/platform_device.h>  #include <linux/clk.h>  #include <linux/delay.h>  #include <linux/usb/otg.h>  #include <linux/usb/ulpi.h>  #include <linux/slab.h> +#include <linux/usb.h> +#include <linux/usb/hcd.h>  #include <linux/platform_data/usb-ehci-mxc.h>  #include <asm/mach-types.h> +#include "ehci.h" + +#define DRIVER_DESC "Freescale On-Chip EHCI Host driver" + +static const char hcd_name[] = "ehci-mxc"; +  #define ULPI_VIEWPORT_OFFSET	0x170  struct ehci_mxc_priv {  	struct clk *usbclk, *ahbclk, *phyclk; -	struct usb_hcd *hcd;  }; -/* called during probe() after chip reset completes */ -static int ehci_mxc_setup(struct usb_hcd *hcd) -{ -	hcd->has_tt = 1; - -	return ehci_setup(hcd); -} - -static const struct hc_driver ehci_mxc_hc_driver = { -	.description = hcd_name, -	.product_desc = "Freescale On-Chip EHCI Host Controller", -	.hcd_priv_size = sizeof(struct ehci_hcd), - -	/* -	 * generic hardware linkage -	 */ -	.irq = ehci_irq, -	.flags = HCD_USB2 | HCD_MEMORY, +static struct hc_driver __read_mostly ehci_mxc_hc_driver; -	/* -	 * basic lifecycle operations -	 */ -	.reset = ehci_mxc_setup, -	.start = ehci_run, -	.stop = ehci_stop, -	.shutdown = ehci_shutdown, - -	/* -	 * managing i/o requests and associated device resources -	 */ -	.urb_enqueue = ehci_urb_enqueue, -	.urb_dequeue = ehci_urb_dequeue, -	.endpoint_disable = ehci_endpoint_disable, -	.endpoint_reset = ehci_endpoint_reset, - -	/* -	 * scheduling support -	 */ -	.get_frame_number = ehci_get_frame, - -	/* -	 * root hub support -	 */ -	.hub_status_data = ehci_hub_status_data, -	.hub_control = ehci_hub_control, -	.bus_suspend = ehci_bus_suspend, -	.bus_resume = ehci_bus_resume, -	.relinquish_port = ehci_relinquish_port, -	.port_handed_over = ehci_port_handed_over, - -	.clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, +static const struct ehci_driver_overrides ehci_mxc_overrides __initdata = { +	.extra_priv_size =	sizeof(struct ehci_mxc_priv),  };  static int ehci_mxc_drv_probe(struct platform_device *pdev) @@ -112,12 +75,6 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)  	if (!hcd)  		return -ENOMEM; -	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); -	if (!priv) { -		ret = -ENOMEM; -		goto err_alloc; -	} -  	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);  	if (!res) {  		dev_err(dev, "Found HC with no register addr. Check setup!\n"); @@ -135,6 +92,10 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)  		goto err_alloc;  	} +	hcd->has_tt = 1; +	ehci = hcd_to_ehci(hcd); +	priv = (struct ehci_mxc_priv *) ehci->priv; +  	/* enable clocks */  	priv->usbclk = devm_clk_get(&pdev->dev, "ipg");  	if (IS_ERR(priv->usbclk)) { @@ -169,8 +130,6 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)  		mdelay(10);  	} -	ehci = hcd_to_ehci(hcd); -  	/* EHCI registers start at offset 0x100 */  	ehci->caps = hcd->regs + 0x100;  	ehci->regs = hcd->regs + 0x100 + @@ -198,8 +157,7 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)  		}  	} -	priv->hcd = hcd; -	platform_set_drvdata(pdev, priv); +	platform_set_drvdata(pdev, hcd);  	ret = usb_add_hcd(hcd, irq, IRQF_SHARED);  	if (ret) @@ -244,8 +202,11 @@ err_alloc:  static int __exit ehci_mxc_drv_remove(struct platform_device *pdev)  {  	struct mxc_usbh_platform_data *pdata = pdev->dev.platform_data; -	struct ehci_mxc_priv *priv = platform_get_drvdata(pdev); -	struct usb_hcd *hcd = priv->hcd; +	struct usb_hcd *hcd = platform_get_drvdata(pdev); +	struct ehci_hcd *ehci = hcd_to_ehci(hcd); +	struct ehci_mxc_priv *priv = (struct ehci_mxc_priv *) ehci->priv; + +	usb_remove_hcd(hcd);  	if (pdata && pdata->exit)  		pdata->exit(pdev); @@ -253,23 +214,20 @@ static int __exit ehci_mxc_drv_remove(struct platform_device *pdev)  	if (pdata->otg)  		usb_phy_shutdown(pdata->otg); -	usb_remove_hcd(hcd); -	usb_put_hcd(hcd); -	platform_set_drvdata(pdev, NULL); -  	clk_disable_unprepare(priv->usbclk);  	clk_disable_unprepare(priv->ahbclk);  	if (priv->phyclk)  		clk_disable_unprepare(priv->phyclk); +	usb_put_hcd(hcd); +	platform_set_drvdata(pdev, NULL);  	return 0;  }  static void ehci_mxc_drv_shutdown(struct platform_device *pdev)  { -	struct ehci_mxc_priv *priv = platform_get_drvdata(pdev); -	struct usb_hcd *hcd = priv->hcd; +	struct usb_hcd *hcd = platform_get_drvdata(pdev);  	if (hcd->driver->shutdown)  		hcd->driver->shutdown(hcd); @@ -279,9 +237,31 @@ MODULE_ALIAS("platform:mxc-ehci");  static struct platform_driver ehci_mxc_driver = {  	.probe = ehci_mxc_drv_probe, -	.remove = __exit_p(ehci_mxc_drv_remove), +	.remove = ehci_mxc_drv_remove,  	.shutdown = ehci_mxc_drv_shutdown,  	.driver = {  		   .name = "mxc-ehci",  	},  }; + +static int __init ehci_mxc_init(void) +{ +	if (usb_disabled()) +		return -ENODEV; + +	pr_info("%s: " DRIVER_DESC "\n", hcd_name); + +	ehci_init_driver(&ehci_mxc_hc_driver, &ehci_mxc_overrides); +	return platform_driver_register(&ehci_mxc_driver); +} +module_init(ehci_mxc_init); + +static void __exit ehci_mxc_cleanup(void) +{ +	platform_driver_unregister(&ehci_mxc_driver); +} +module_exit(ehci_mxc_cleanup); + +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_AUTHOR("Sascha Hauer"); +MODULE_LICENSE("GPL"); diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index dabb2049482..170b9399e09 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -200,6 +200,26 @@ static int ehci_pci_setup(struct usb_hcd *hcd)  		break;  	} +	/* optional debug port, normally in the first BAR */ +	temp = pci_find_capability(pdev, PCI_CAP_ID_DBG); +	if (temp) { +		pci_read_config_dword(pdev, temp, &temp); +		temp >>= 16; +		if (((temp >> 13) & 7) == 1) { +			u32 hcs_params = ehci_readl(ehci, +						    &ehci->caps->hcs_params); + +			temp &= 0x1fff; +			ehci->debug = hcd->regs + temp; +			temp = ehci_readl(ehci, &ehci->debug->control); +			ehci_info(ehci, "debug port %d%s\n", +				  HCS_DEBUG_PORT(hcs_params), +				  (temp & DBGP_ENABLED) ? " IN USE" : ""); +			if (!(temp & DBGP_ENABLED)) +				ehci->debug = NULL; +		} +	} +  	retval = ehci_setup(hcd);  	if (retval)  		return retval; @@ -228,25 +248,6 @@ static int ehci_pci_setup(struct usb_hcd *hcd)  		break;  	} -	/* optional debug port, normally in the first BAR */ -	temp = pci_find_capability(pdev, 0x0a); -	if (temp) { -		pci_read_config_dword(pdev, temp, &temp); -		temp >>= 16; -		if ((temp & (3 << 13)) == (1 << 13)) { -			temp &= 0x1fff; -			ehci->debug = hcd->regs + temp; -			temp = ehci_readl(ehci, &ehci->debug->control); -			ehci_info(ehci, "debug port %d%s\n", -				HCS_DEBUG_PORT(ehci->hcs_params), -				(temp & DBGP_ENABLED) -					? " IN USE" -					: ""); -			if (!(temp & DBGP_ENABLED)) -				ehci->debug = NULL; -		} -	} -  	/* at least the Genesys GL880S needs fixup here */  	temp = HCS_N_CC(ehci->hcs_params) * HCS_N_PCC(ehci->hcs_params);  	temp &= 0x0f; diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index 9dadc7118d6..36c3a821059 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -38,6 +38,10 @@ typedef __u16 __bitwise __hc16;  #endif  /* statistics can be kept for tuning/monitoring */ +#ifdef DEBUG +#define EHCI_STATS +#endif +  struct ehci_stats {  	/* irq usage */  	unsigned long		normal; @@ -221,6 +225,9 @@ struct ehci_hcd {			/* one per controller */  #ifdef DEBUG  	struct dentry		*debug_dir;  #endif + +	/* platform-specific data -- must come last */ +	unsigned long		priv[0] __aligned(sizeof(s64));  };  /* convert between an HCD pointer and the corresponding EHCI_HCD */ diff --git a/drivers/usb/host/fsl-mph-dr-of.c b/drivers/usb/host/fsl-mph-dr-of.c index 5105127c1d4..11e0b79ff9d 100644 --- a/drivers/usb/host/fsl-mph-dr-of.c +++ b/drivers/usb/host/fsl-mph-dr-of.c @@ -142,6 +142,9 @@ static int usb_get_ver_info(struct device_node *np)  			return ver;  	} +	if (of_device_is_compatible(np, "fsl,mpc5121-usb2-dr")) +		return FSL_USB_VER_OLD; +  	if (of_device_is_compatible(np, "fsl-usb2-mph")) {  		if (of_device_is_compatible(np, "fsl-usb2-mph-v1.6"))  			ver = FSL_USB_VER_1_6; diff --git a/drivers/usb/host/imx21-hcd.c b/drivers/usb/host/imx21-hcd.c index bd6a7447ccc..f0ebe8e7c58 100644 --- a/drivers/usb/host/imx21-hcd.c +++ b/drivers/usb/host/imx21-hcd.c @@ -58,6 +58,7 @@  #include <linux/usb.h>  #include <linux/usb/hcd.h>  #include <linux/dma-mapping.h> +#include <linux/module.h>  #include "imx21-hcd.h" diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c index d370245a4ee..5e3a6deb62b 100644 --- a/drivers/usb/host/ohci-tmio.c +++ b/drivers/usb/host/ohci-tmio.c @@ -128,7 +128,8 @@ static void tmio_start_hc(struct platform_device *dev)  	tmio_iowrite8(2, tmio->ccr + CCR_INTC);  	dev_info(&dev->dev, "revision %d @ 0x%08llx, irq %d\n", -			tmio_ioread8(tmio->ccr + CCR_REVID), hcd->rsrc_start, hcd->irq); +			tmio_ioread8(tmio->ccr + CCR_REVID), +			(u64) hcd->rsrc_start, hcd->irq);  }  static int ohci_tmio_start(struct usb_hcd *hcd) diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c index 4b9e9aba266..4f64d24eebc 100644 --- a/drivers/usb/host/uhci-hcd.c +++ b/drivers/usb/host/uhci-hcd.c @@ -447,6 +447,10 @@ static irqreturn_t uhci_irq(struct usb_hcd *hcd)  		return IRQ_NONE;  	uhci_writew(uhci, status, USBSTS);		/* Clear it */ +	spin_lock(&uhci->lock); +	if (unlikely(!uhci->is_initialized))	/* not yet configured */ +		goto done; +  	if (status & ~(USBSTS_USBINT | USBSTS_ERROR | USBSTS_RD)) {  		if (status & USBSTS_HSE)  			dev_err(uhci_dev(uhci), "host system error, " @@ -455,7 +459,6 @@ static irqreturn_t uhci_irq(struct usb_hcd *hcd)  			dev_err(uhci_dev(uhci), "host controller process "  					"error, something bad happened!\n");  		if (status & USBSTS_HCH) { -			spin_lock(&uhci->lock);  			if (uhci->rh_state >= UHCI_RH_RUNNING) {  				dev_err(uhci_dev(uhci),  					"host controller halted, " @@ -473,15 +476,15 @@ static irqreturn_t uhci_irq(struct usb_hcd *hcd)  				 * pending unlinks */  				mod_timer(&hcd->rh_timer, jiffies);  			} -			spin_unlock(&uhci->lock);  		}  	} -	if (status & USBSTS_RD) +	if (status & USBSTS_RD) { +		spin_unlock(&uhci->lock);  		usb_hcd_poll_rh_status(hcd); -	else { -		spin_lock(&uhci->lock); +	} else {  		uhci_scan_schedule(uhci); + done:  		spin_unlock(&uhci->lock);  	} @@ -662,9 +665,9 @@ static int uhci_start(struct usb_hcd *hcd)  	 */  	mb(); +	spin_lock_irq(&uhci->lock);  	configure_hc(uhci);  	uhci->is_initialized = 1; -	spin_lock_irq(&uhci->lock);  	start_rh(uhci);  	spin_unlock_irq(&uhci->lock);  	return 0; diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index a686cf4905b..68914429482 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -761,12 +761,39 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,  			break;  		case USB_PORT_FEAT_LINK_STATE:  			temp = xhci_readl(xhci, port_array[wIndex]); + +			/* Disable port */ +			if (link_state == USB_SS_PORT_LS_SS_DISABLED) { +				xhci_dbg(xhci, "Disable port %d\n", wIndex); +				temp = xhci_port_state_to_neutral(temp); +				/* +				 * Clear all change bits, so that we get a new +				 * connection event. +				 */ +				temp |= PORT_CSC | PORT_PEC | PORT_WRC | +					PORT_OCC | PORT_RC | PORT_PLC | +					PORT_CEC; +				xhci_writel(xhci, temp | PORT_PE, +					port_array[wIndex]); +				temp = xhci_readl(xhci, port_array[wIndex]); +				break; +			} + +			/* Put link in RxDetect (enable port) */ +			if (link_state == USB_SS_PORT_LS_RX_DETECT) { +				xhci_dbg(xhci, "Enable port %d\n", wIndex); +				xhci_set_link_state(xhci, port_array, wIndex, +						link_state); +				temp = xhci_readl(xhci, port_array[wIndex]); +				break; +			} +  			/* Software should not attempt to set -			 * port link state above '5' (Rx.Detect) and the port +			 * port link state above '3' (U3) and the port  			 * must be enabled.  			 */  			if ((temp & PORT_PE) == 0 || -				(link_state > USB_SS_PORT_LS_RX_DETECT)) { +				(link_state > USB_SS_PORT_LS_U3)) {  				xhci_warn(xhci, "Cannot set link state.\n");  				goto error;  			} @@ -957,6 +984,7 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf)  	int max_ports;  	__le32 __iomem **port_array;  	struct xhci_bus_state *bus_state; +	bool reset_change = false;  	max_ports = xhci_get_ports(hcd, &port_array);  	bus_state = &xhci->bus_state[hcd_index(hcd)]; @@ -988,6 +1016,12 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf)  			buf[(i + 1) / 8] |= 1 << (i + 1) % 8;  			status = 1;  		} +		if ((temp & PORT_RC)) +			reset_change = true; +	} +	if (!status && !reset_change) { +		xhci_dbg(xhci, "%s: stopping port polling.\n", __func__); +		clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);  	}  	spin_unlock_irqrestore(&xhci->lock, flags);  	return status ? retval : 0; diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index fb51c7085ad..35616ffbe3a 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1250,6 +1250,8 @@ static unsigned int xhci_microframes_to_exponent(struct usb_device *udev,  static unsigned int xhci_parse_microframe_interval(struct usb_device *udev,  		struct usb_host_endpoint *ep)  { +	if (ep->desc.bInterval == 0) +		return 0;  	return xhci_microframes_to_exponent(udev, ep,  			ep->desc.bInterval, 0, 15);  } diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index cbb44b7b9d6..59fb5c677db 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1725,6 +1725,15 @@ cleanup:  	if (bogus_port_status)  		return; +	/* +	 * xHCI port-status-change events occur when the "or" of all the +	 * status-change bits in the portsc register changes from 0 to 1. +	 * New status changes won't cause an event if any other change +	 * bits are still set.  When an event occurs, switch over to +	 * polling to avoid losing status changes. +	 */ +	xhci_dbg(xhci, "%s: starting port polling.\n", __func__); +	set_bit(HCD_FLAG_POLL_RH, &hcd->flags);  	spin_unlock(&xhci->lock);  	/* Pass this up to the core */  	usb_hcd_poll_rh_status(hcd); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 5c72c431bab..f1f01a834ba 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -884,6 +884,11 @@ int xhci_suspend(struct xhci_hcd *xhci)  			xhci->shared_hcd->state != HC_STATE_SUSPENDED)  		return -EINVAL; +	/* Don't poll the roothubs on bus suspend. */ +	xhci_dbg(xhci, "%s: stopping port polling.\n", __func__); +	clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); +	del_timer_sync(&hcd->rh_timer); +  	spin_lock_irq(&xhci->lock);  	clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);  	clear_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags); @@ -1069,6 +1074,11 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)  	if (xhci->quirks & XHCI_COMP_MODE_QUIRK)  		compliance_mode_recovery_timer_init(xhci); +	/* Re-enable port polling. */ +	xhci_dbg(xhci, "%s: starting port polling.\n", __func__); +	set_bit(HCD_FLAG_POLL_RH, &hcd->flags); +	usb_hcd_poll_rh_status(hcd); +  	return retval;  }  #endif	/* CONFIG_PM */ diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index 7667b12f2ff..268148de971 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -2179,7 +2179,7 @@ usbtest_ioctl(struct usb_interface *intf, unsigned int code, void *buf)  		if (dev->out_pipe == 0 || !param->length || param->sglen < 4)  			break;  		retval = 0; -		dev_info(&intf->dev, "TEST 17:  unlink from %d queues of " +		dev_info(&intf->dev, "TEST 24:  unlink from %d queues of "  				"%d %d-byte writes\n",  				param->iterations, param->sglen, param->length);  		for (i = param->iterations; retval == 0 && i > 0; --i) { diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c index 0968dd7a859..f522000e8f0 100644 --- a/drivers/usb/musb/cppi_dma.c +++ b/drivers/usb/musb/cppi_dma.c @@ -105,7 +105,7 @@ static void cppi_reset_tx(struct cppi_tx_stateram __iomem *tx, u32 ptr)  	musb_writel(&tx->tx_complete, 0, ptr);  } -static void __init cppi_pool_init(struct cppi *cppi, struct cppi_channel *c) +static void cppi_pool_init(struct cppi *cppi, struct cppi_channel *c)  {  	int	j; @@ -150,7 +150,7 @@ static void cppi_pool_free(struct cppi_channel *c)  	c->last_processed = NULL;  } -static int __init cppi_controller_start(struct dma_controller *c) +static int cppi_controller_start(struct dma_controller *c)  {  	struct cppi	*controller;  	void __iomem	*tibase; diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index f1c6c5470b9..fd3486745e6 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -2298,10 +2298,7 @@ static int __init musb_init(void)  	if (usb_disabled())  		return 0; -	pr_info("%s: version " MUSB_VERSION ", " -		"?dma?" -		", " -		"otg (peripheral+host)", +	pr_info("%s: version " MUSB_VERSION ", ?dma?, otg (peripheral+host)\n",  		musb_driver_name);  	return platform_driver_register(&musb_driver);  } diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index e6f2ae8368b..f7d764de6fd 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -134,6 +134,11 @@ static const resource_size_t dsps_control_module_phys[] = {  	DSPS_AM33XX_CONTROL_MODULE_PHYS_1,  }; +#define USBPHY_CM_PWRDN		(1 << 0) +#define USBPHY_OTG_PWRDN	(1 << 1) +#define USBPHY_OTGVDET_EN	(1 << 19) +#define USBPHY_OTGSESSEND_EN	(1 << 20) +  /**   * musb_dsps_phy_control - phy on/off   * @glue: struct dsps_glue * diff --git a/drivers/usb/otg/Kconfig b/drivers/usb/otg/Kconfig index 6223062d5d1..37962c99ff1 100644 --- a/drivers/usb/otg/Kconfig +++ b/drivers/usb/otg/Kconfig @@ -110,7 +110,7 @@ config AB8500_USB  config FSL_USB2_OTG  	bool "Freescale USB OTG Transceiver Driver" -	depends on USB_EHCI_FSL && USB_GADGET_FSL_USB2 && USB_SUSPEND +	depends on USB_EHCI_FSL && USB_FSL_USB2 && USB_SUSPEND  	select USB_OTG  	select USB_OTG_UTILS  	help diff --git a/drivers/usb/otg/mv_otg.c b/drivers/usb/otg/mv_otg.c index 1dd57504186..eace975991a 100644 --- a/drivers/usb/otg/mv_otg.c +++ b/drivers/usb/otg/mv_otg.c @@ -240,7 +240,7 @@ static void otg_clock_enable(struct mv_otg *mvotg)  	unsigned int i;  	for (i = 0; i < mvotg->clknum; i++) -		clk_enable(mvotg->clk[i]); +		clk_prepare_enable(mvotg->clk[i]);  }  static void otg_clock_disable(struct mv_otg *mvotg) @@ -248,7 +248,7 @@ static void otg_clock_disable(struct mv_otg *mvotg)  	unsigned int i;  	for (i = 0; i < mvotg->clknum; i++) -		clk_disable(mvotg->clk[i]); +		clk_disable_unprepare(mvotg->clk[i]);  }  static int mv_otg_enable_internal(struct mv_otg *mvotg) diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index dd41f61893e..f2985cd8802 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -545,15 +545,6 @@ static int usbhsg_pipe_disable(struct usbhsg_uep *uep)  	return 0;  } -static void usbhsg_uep_init(struct usbhsg_gpriv *gpriv) -{ -	int i; -	struct usbhsg_uep *uep; - -	usbhsg_for_each_uep_with_dcp(uep, gpriv, i) -		uep->pipe = NULL; -} -  /*   *   *		usb_ep_ops @@ -610,7 +601,12 @@ static int usbhsg_ep_disable(struct usb_ep *ep)  {  	struct usbhsg_uep *uep = usbhsg_ep_to_uep(ep); -	return usbhsg_pipe_disable(uep); +	usbhsg_pipe_disable(uep); + +	uep->pipe->mod_private	= NULL; +	uep->pipe		= NULL; + +	return 0;  }  static struct usb_request *usbhsg_ep_alloc_request(struct usb_ep *ep, @@ -761,9 +757,8 @@ static int usbhsg_try_start(struct usbhs_priv *priv, u32 status)  	usbhs_pipe_init(priv,  			usbhsg_dma_map_ctrl);  	usbhs_fifo_init(priv); -	usbhsg_uep_init(gpriv); -	/* dcp init */ +	/* dcp init instead of usbhsg_ep_enable() */  	dcp->pipe		= usbhs_dcp_malloc(priv);  	dcp->pipe->mod_private	= dcp;  	usbhs_pipe_config_update(dcp->pipe, 0, 0, 64); @@ -825,7 +820,7 @@ static int usbhsg_try_stop(struct usbhs_priv *priv, u32 status)  	usbhs_sys_set_test_mode(priv, 0);  	usbhs_sys_function_ctrl(priv, 0); -	usbhsg_pipe_disable(dcp); +	usbhsg_ep_disable(&dcp->ep);  	dev_dbg(dev, "stop gadget\n"); @@ -998,6 +993,7 @@ int usbhs_mod_gadget_probe(struct usbhs_priv *priv)  	 */  	usbhsg_for_each_uep_with_dcp(uep, gpriv, i) {  		uep->gpriv	= gpriv; +		uep->pipe	= NULL;  		snprintf(uep->ep_name, EP_NAME_SIZE, "ep%d", i);  		uep->ep.name		= uep->ep_name; diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c index 3d3cd6ca268..b86815421c8 100644 --- a/drivers/usb/renesas_usbhs/mod_host.c +++ b/drivers/usb/renesas_usbhs/mod_host.c @@ -661,9 +661,10 @@ static void usbhsh_queue_done(struct usbhs_priv *priv, struct usbhs_pkt *pkt)  		status = -ESHUTDOWN;  	urb->actual_length = pkt->actual; -	usbhsh_ureq_free(hpriv, ureq);  	usbhsh_endpoint_sequence_save(hpriv, urb, pkt); +	usbhsh_ureq_free(hpriv, ureq); +  	usbhsh_pipe_detach(hpriv, usbhsh_ep_to_uep(urb->ep));  	usb_hcd_unlink_urb_from_ep(hcd, urb); diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 0a373b3ae96..ba68835d06a 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -875,6 +875,8 @@ static struct usb_device_id id_table_combined [] = {  	{ USB_DEVICE(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID),  		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },  	{ USB_DEVICE(FTDI_VID, FTDI_LUMEL_PD12_PID) }, +	/* Crucible Devices */ +	{ USB_DEVICE(FTDI_VID, FTDI_CT_COMET_PID) },  	{ },					/* Optional parameter entry */  	{ }					/* Terminating entry */  }; diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 049b6e715fa..fa5d5603827 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -1259,3 +1259,9 @@   * ATI command output: Cinterion MC55i   */  #define FTDI_CINTERION_MC55I_PID	0xA951 + +/* + * Product: Comet Caller ID decoder + * Manufacturer: Crucible Technologies + */ +#define FTDI_CT_COMET_PID	0x8e08 diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index 58184f3de68..82afc4d6a32 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -530,6 +530,9 @@ static void chase_port(struct edgeport_port *port, unsigned long timeout,  	wait_queue_t wait;  	unsigned long flags; +	if (!tty) +		return; +  	if (!timeout)  		timeout = (HZ * EDGE_CLOSING_WAIT)/100; diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index e6f87b76c71..0d9dac9e7f9 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -288,6 +288,7 @@ static void option_instat_callback(struct urb *urb);  #define ALCATEL_VENDOR_ID			0x1bbb  #define ALCATEL_PRODUCT_X060S_X200		0x0000  #define ALCATEL_PRODUCT_X220_X500D		0x0017 +#define ALCATEL_PRODUCT_L100V			0x011e  #define PIRELLI_VENDOR_ID			0x1266  #define PIRELLI_PRODUCT_C100_1			0x1002 @@ -429,9 +430,12 @@ static void option_instat_callback(struct urb *urb);  #define MEDIATEK_VENDOR_ID			0x0e8d  #define MEDIATEK_PRODUCT_DC_1COM		0x00a0  #define MEDIATEK_PRODUCT_DC_4COM		0x00a5 +#define MEDIATEK_PRODUCT_DC_4COM2		0x00a7  #define MEDIATEK_PRODUCT_DC_5COM		0x00a4  #define MEDIATEK_PRODUCT_7208_1COM		0x7101  #define MEDIATEK_PRODUCT_7208_2COM		0x7102 +#define MEDIATEK_PRODUCT_7103_2COM		0x7103 +#define MEDIATEK_PRODUCT_7106_2COM		0x7106  #define MEDIATEK_PRODUCT_FP_1COM		0x0003  #define MEDIATEK_PRODUCT_FP_2COM		0x0023  #define MEDIATEK_PRODUCT_FPDC_1COM		0x0043 @@ -441,6 +445,14 @@ static void option_instat_callback(struct urb *urb);  #define CELLIENT_VENDOR_ID			0x2692  #define CELLIENT_PRODUCT_MEN200			0x9005 +/* Hyundai Petatel Inc. products */ +#define PETATEL_VENDOR_ID			0x1ff4 +#define PETATEL_PRODUCT_NP10T			0x600e + +/* TP-LINK Incorporated products */ +#define TPLINK_VENDOR_ID			0x2357 +#define TPLINK_PRODUCT_MA180			0x0201 +  /* some devices interfaces need special handling due to a number of reasons */  enum option_blacklist_reason {  		OPTION_BLACKLIST_NONE = 0, @@ -922,8 +934,10 @@ static const struct usb_device_id option_ids[] = {  	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0254, 0xff, 0xff, 0xff) },  	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0257, 0xff, 0xff, 0xff), /* ZTE MF821 */  	  .driver_info = (kernel_ulong_t)&net_intf3_blacklist }, -	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0265, 0xff, 0xff, 0xff) }, -	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0284, 0xff, 0xff, 0xff) }, +	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0265, 0xff, 0xff, 0xff), /* ONDA MT8205 */ +	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, +	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0284, 0xff, 0xff, 0xff), /* ZTE MF880 */ +	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },  	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0317, 0xff, 0xff, 0xff) },  	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0326, 0xff, 0xff, 0xff),  	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, @@ -1190,6 +1204,8 @@ static const struct usb_device_id option_ids[] = {  	  .driver_info = (kernel_ulong_t)&alcatel_x200_blacklist  	},  	{ USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X220_X500D) }, +	{ USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_L100V), +	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },  	{ USB_DEVICE(AIRPLUS_VENDOR_ID, AIRPLUS_PRODUCT_MCD650) },  	{ USB_DEVICE(TLAYTECH_VENDOR_ID, TLAYTECH_PRODUCT_TEU800) },  	{ USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14), @@ -1294,7 +1310,14 @@ static const struct usb_device_id option_ids[] = {  	{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_FP_2COM, 0x0a, 0x00, 0x00) },  	{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_FPDC_1COM, 0x0a, 0x00, 0x00) },  	{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_FPDC_2COM, 0x0a, 0x00, 0x00) }, +	{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_7103_2COM, 0xff, 0x00, 0x00) }, +	{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_7106_2COM, 0x02, 0x02, 0x01) }, +	{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x02, 0x01) }, +	{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x00, 0x00) },  	{ USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MEN200) }, +	{ USB_DEVICE(PETATEL_VENDOR_ID, PETATEL_PRODUCT_NP10T) }, +	{ USB_DEVICE(TPLINK_VENDOR_ID, TPLINK_PRODUCT_MA180), +	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },  	{ } /* Terminating entry */  };  MODULE_DEVICE_TABLE(usb, option_ids);  |