diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-05-09 10:11:48 -0700 | 
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-05-09 10:11:48 -0700 | 
| commit | f78089e87e576f91396a5d428d14b552178dfb17 (patch) | |
| tree | b1fdef744c0f24959c173660c233bb871d2f6edc | |
| parent | 7462543abb87f55b530dfbb8d857645f1cebd756 (diff) | |
| parent | 6fe9efb9c9fbce690018c31e652924ae28019868 (diff) | |
| download | olio-linux-3.10-f78089e87e576f91396a5d428d14b552178dfb17.tar.xz olio-linux-3.10-f78089e87e576f91396a5d428d14b552178dfb17.zip  | |
Merge tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewure updates from Stefan Richter:
  - fix controller removal when controller is in suspended state
  - fix video reception on VIA VT6306 with gstreamer, MythTV, and maybe dv4l
  - fix a startup issue with Agere/LSI FW643-e2
  - error logging improvements and other small updates
* tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
  firewire: ohci: dump_stack() for PHY regs read/write failures
  firewire: ohci: Improve bus reset error messages
  firewire: ohci: Alias dev_* log functions
  firewire: ohci: Fix 'failed to read phy reg' on FW643 rev8
  firewire: ohci: fix VIA VT6306 video reception
  firewire: ohci: Check LPS before register access on pci removal
  firewire: ohci: Fix double free_irq()
  firewire: remove unnecessary alloc/OOM messages
  firewire: sbp2: replace BUG_ON by WARN_ON
  firewire: core: remove an always false test
  firewire: Remove two unneeded checks for macros
| -rw-r--r-- | drivers/firewire/core-cdev.c | 27 | ||||
| -rw-r--r-- | drivers/firewire/core-device.c | 4 | ||||
| -rw-r--r-- | drivers/firewire/net.c | 7 | ||||
| -rw-r--r-- | drivers/firewire/ohci.c | 270 | ||||
| -rw-r--r-- | drivers/firewire/sbp2.c | 10 | 
5 files changed, 166 insertions, 152 deletions
diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c index 27ac423ab25..7ef316fdc4d 100644 --- a/drivers/firewire/core-cdev.c +++ b/drivers/firewire/core-cdev.c @@ -389,10 +389,8 @@ static void queue_bus_reset_event(struct client *client)  	struct bus_reset_event *e;  	e = kzalloc(sizeof(*e), GFP_KERNEL); -	if (e == NULL) { -		fw_notice(client->device->card, "out of memory when allocating event\n"); +	if (e == NULL)  		return; -	}  	fill_bus_reset_event(&e->reset, client); @@ -693,10 +691,9 @@ static void handle_request(struct fw_card *card, struct fw_request *request,  	r = kmalloc(sizeof(*r), GFP_ATOMIC);  	e = kmalloc(sizeof(*e), GFP_ATOMIC); -	if (r == NULL || e == NULL) { -		fw_notice(card, "out of memory when allocating event\n"); +	if (r == NULL || e == NULL)  		goto failed; -	} +  	r->card    = card;  	r->request = request;  	r->data    = payload; @@ -930,10 +927,9 @@ static void iso_callback(struct fw_iso_context *context, u32 cycle,  	struct iso_interrupt_event *e;  	e = kmalloc(sizeof(*e) + header_length, GFP_ATOMIC); -	if (e == NULL) { -		fw_notice(context->card, "out of memory when allocating event\n"); +	if (e == NULL)  		return; -	} +  	e->interrupt.type      = FW_CDEV_EVENT_ISO_INTERRUPT;  	e->interrupt.closure   = client->iso_closure;  	e->interrupt.cycle     = cycle; @@ -950,10 +946,9 @@ static void iso_mc_callback(struct fw_iso_context *context,  	struct iso_interrupt_mc_event *e;  	e = kmalloc(sizeof(*e), GFP_ATOMIC); -	if (e == NULL) { -		fw_notice(context->card, "out of memory when allocating event\n"); +	if (e == NULL)  		return; -	} +  	e->interrupt.type      = FW_CDEV_EVENT_ISO_INTERRUPT_MULTICHANNEL;  	e->interrupt.closure   = client->iso_closure;  	e->interrupt.completed = fw_iso_buffer_lookup(&client->buffer, @@ -1366,8 +1361,7 @@ static int init_iso_resource(struct client *client,  	int ret;  	if ((request->channels == 0 && request->bandwidth == 0) || -	    request->bandwidth > BANDWIDTH_AVAILABLE_INITIAL || -	    request->bandwidth < 0) +	    request->bandwidth > BANDWIDTH_AVAILABLE_INITIAL)  		return -EINVAL;  	r  = kmalloc(sizeof(*r), GFP_KERNEL); @@ -1582,10 +1576,9 @@ void fw_cdev_handle_phy_packet(struct fw_card *card, struct fw_packet *p)  	list_for_each_entry(client, &card->phy_receiver_list, phy_receiver_link) {  		e = kmalloc(sizeof(*e) + 8, GFP_ATOMIC); -		if (e == NULL) { -			fw_notice(card, "out of memory when allocating event\n"); +		if (e == NULL)  			break; -		} +  		e->phy_packet.closure	= client->phy_receiver_closure;  		e->phy_packet.type	= FW_CDEV_EVENT_PHY_PACKET_RECEIVED;  		e->phy_packet.rcode	= RCODE_COMPLETE; diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c index 03ce7d980c6..664a6ff0a82 100644 --- a/drivers/firewire/core-device.c +++ b/drivers/firewire/core-device.c @@ -692,10 +692,8 @@ static void create_units(struct fw_device *device)  		 * match the drivers id_tables against it.  		 */  		unit = kzalloc(sizeof(*unit), GFP_KERNEL); -		if (unit == NULL) { -			fw_err(device->card, "out of memory for unit\n"); +		if (unit == NULL)  			continue; -		}  		unit->directory = ci.p + value - 1;  		unit->device.bus = &fw_bus_type; diff --git a/drivers/firewire/net.c b/drivers/firewire/net.c index 4d565365e47..815b0fcbe91 100644 --- a/drivers/firewire/net.c +++ b/drivers/firewire/net.c @@ -356,10 +356,8 @@ static struct fwnet_fragment_info *fwnet_frag_new(  	}  	new = kmalloc(sizeof(*new), GFP_ATOMIC); -	if (!new) { -		dev_err(&pd->skb->dev->dev, "out of memory\n"); +	if (!new)  		return NULL; -	}  	new->offset = offset;  	new->len = len; @@ -402,8 +400,6 @@ fail_w_fi:  fail_w_new:  	kfree(new);  fail: -	dev_err(&net->dev, "out of memory\n"); -  	return NULL;  } @@ -609,7 +605,6 @@ static int fwnet_incoming_packet(struct fwnet_device *dev, __be32 *buf, int len,  		skb = dev_alloc_skb(len + LL_RESERVED_SPACE(net));  		if (unlikely(!skb)) { -			dev_err(&net->dev, "out of memory\n");  			net->stats.rx_dropped++;  			return -ENOMEM; diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 45912e6e0ac..9e1db6490b9 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -54,6 +54,10 @@  #include "core.h"  #include "ohci.h" +#define ohci_info(ohci, f, args...)	dev_info(ohci->card.device, f, ##args) +#define ohci_notice(ohci, f, args...)	dev_notice(ohci->card.device, f, ##args) +#define ohci_err(ohci, f, args...)	dev_err(ohci->card.device, f, ##args) +  #define DESCRIPTOR_OUTPUT_MORE		0  #define DESCRIPTOR_OUTPUT_LAST		(1 << 12)  #define DESCRIPTOR_INPUT_MORE		(2 << 12) @@ -68,6 +72,8 @@  #define DESCRIPTOR_BRANCH_ALWAYS	(3 << 2)  #define DESCRIPTOR_WAIT			(3 << 0) +#define DESCRIPTOR_CMD			(0xf << 12) +  struct descriptor {  	__le16 req_count;  	__le16 control; @@ -149,10 +155,11 @@ struct context {  	struct descriptor *last;  	/* -	 * The last descriptor in the DMA program.  It contains the branch +	 * The last descriptor block in the DMA program. It contains the branch  	 * address that must be updated upon appending a new descriptor.  	 */  	struct descriptor *prev; +	int prev_z;  	descriptor_callback_t callback; @@ -270,7 +277,9 @@ static char ohci_driver_name[] = KBUILD_MODNAME;  #define PCI_DEVICE_ID_TI_TSB12LV22	0x8009  #define PCI_DEVICE_ID_TI_TSB12LV26	0x8020  #define PCI_DEVICE_ID_TI_TSB82AA2	0x8025 +#define PCI_DEVICE_ID_VIA_VT630X	0x3044  #define PCI_VENDOR_ID_PINNACLE_SYSTEMS	0x11bd +#define PCI_REV_ID_VIA_VT6306		0x46  #define QUIRK_CYCLE_TIMER		1  #define QUIRK_RESET_PACKET		2 @@ -278,6 +287,8 @@ static char ohci_driver_name[] = KBUILD_MODNAME;  #define QUIRK_NO_1394A			8  #define QUIRK_NO_MSI			16  #define QUIRK_TI_SLLZ059		32 +#define QUIRK_IR_WAKE			64 +#define QUIRK_PHY_LCTRL_TIMEOUT		128  /* In case of multiple matches in ohci_quirks[], only the first one is used. */  static const struct { @@ -290,7 +301,10 @@ static const struct {  		QUIRK_BE_HEADERS},  	{PCI_VENDOR_ID_ATT, PCI_DEVICE_ID_AGERE_FW643, 6, -		QUIRK_NO_MSI}, +		QUIRK_PHY_LCTRL_TIMEOUT | QUIRK_NO_MSI}, + +	{PCI_VENDOR_ID_ATT, PCI_ANY_ID, PCI_ANY_ID, +		QUIRK_PHY_LCTRL_TIMEOUT},  	{PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_SB1394, PCI_ANY_ID,  		QUIRK_RESET_PACKET}, @@ -319,6 +333,9 @@ static const struct {  	{PCI_VENDOR_ID_TI, PCI_ANY_ID, PCI_ANY_ID,  		QUIRK_RESET_PACKET}, +	{PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT630X, PCI_REV_ID_VIA_VT6306, +		QUIRK_CYCLE_TIMER | QUIRK_IR_WAKE}, +  	{PCI_VENDOR_ID_VIA, PCI_ANY_ID, PCI_ANY_ID,  		QUIRK_CYCLE_TIMER | QUIRK_NO_MSI},  }; @@ -333,6 +350,8 @@ MODULE_PARM_DESC(quirks, "Chip quirks (default = 0"  	", no 1394a enhancements = "	__stringify(QUIRK_NO_1394A)  	", disable MSI = "		__stringify(QUIRK_NO_MSI)  	", TI SLLZ059 erratum = "	__stringify(QUIRK_TI_SLLZ059) +	", IR wake unreliable = "	__stringify(QUIRK_IR_WAKE) +	", phy LCtrl timeout = "	__stringify(QUIRK_PHY_LCTRL_TIMEOUT)  	")");  #define OHCI_PARAM_DEBUG_AT_AR		1 @@ -359,8 +378,7 @@ static void log_irqs(struct fw_ohci *ohci, u32 evt)  	    !(evt & OHCI1394_busReset))  		return; -	dev_notice(ohci->card.device, -	    "IRQ %08x%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n", evt, +	ohci_notice(ohci, "IRQ %08x%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n", evt,  	    evt & OHCI1394_selfIDComplete	? " selfID"		: "",  	    evt & OHCI1394_RQPkt		? " AR_req"		: "",  	    evt & OHCI1394_RSPkt		? " AR_resp"		: "", @@ -406,21 +424,19 @@ static void log_selfids(struct fw_ohci *ohci, int generation, int self_id_count)  	if (likely(!(param_debug & OHCI_PARAM_DEBUG_SELFIDS)))  		return; -	dev_notice(ohci->card.device, -		   "%d selfIDs, generation %d, local node ID %04x\n", -		   self_id_count, generation, ohci->node_id); +	ohci_notice(ohci, "%d selfIDs, generation %d, local node ID %04x\n", +		    self_id_count, generation, ohci->node_id);  	for (s = ohci->self_id_buffer; self_id_count--; ++s)  		if ((*s & 1 << 23) == 0) -			dev_notice(ohci->card.device, -			    "selfID 0: %08x, phy %d [%c%c%c] " -			    "%s gc=%d %s %s%s%s\n", +			ohci_notice(ohci, +			    "selfID 0: %08x, phy %d [%c%c%c] %s gc=%d %s %s%s%s\n",  			    *s, *s >> 24 & 63, _p(s, 6), _p(s, 4), _p(s, 2),  			    speed[*s >> 14 & 3], *s >> 16 & 63,  			    power[*s >> 8 & 7], *s >> 22 & 1 ? "L" : "",  			    *s >> 11 & 1 ? "c" : "", *s & 2 ? "i" : "");  		else -			dev_notice(ohci->card.device, +			ohci_notice(ohci,  			    "selfID n: %08x, phy %d [%c%c%c%c%c%c%c%c]\n",  			    *s, *s >> 24 & 63,  			    _p(s, 16), _p(s, 14), _p(s, 12), _p(s, 10), @@ -470,9 +486,8 @@ static void log_ar_at_event(struct fw_ohci *ohci,  			evt = 0x1f;  	if (evt == OHCI1394_evt_bus_reset) { -		dev_notice(ohci->card.device, -			   "A%c evt_bus_reset, generation %d\n", -			   dir, (header[2] >> 16) & 0xff); +		ohci_notice(ohci, "A%c evt_bus_reset, generation %d\n", +			    dir, (header[2] >> 16) & 0xff);  		return;  	} @@ -491,32 +506,26 @@ static void log_ar_at_event(struct fw_ohci *ohci,  	switch (tcode) {  	case 0xa: -		dev_notice(ohci->card.device, -			   "A%c %s, %s\n", -			   dir, evts[evt], tcodes[tcode]); +		ohci_notice(ohci, "A%c %s, %s\n", +			    dir, evts[evt], tcodes[tcode]);  		break;  	case 0xe: -		dev_notice(ohci->card.device, -			   "A%c %s, PHY %08x %08x\n", -			   dir, evts[evt], header[1], header[2]); +		ohci_notice(ohci, "A%c %s, PHY %08x %08x\n", +			    dir, evts[evt], header[1], header[2]);  		break;  	case 0x0: case 0x1: case 0x4: case 0x5: case 0x9: -		dev_notice(ohci->card.device, -			   "A%c spd %x tl %02x, " -			   "%04x -> %04x, %s, " -			   "%s, %04x%08x%s\n", -			   dir, speed, header[0] >> 10 & 0x3f, -			   header[1] >> 16, header[0] >> 16, evts[evt], -			   tcodes[tcode], header[1] & 0xffff, header[2], specific); +		ohci_notice(ohci, +			    "A%c spd %x tl %02x, %04x -> %04x, %s, %s, %04x%08x%s\n", +			    dir, speed, header[0] >> 10 & 0x3f, +			    header[1] >> 16, header[0] >> 16, evts[evt], +			    tcodes[tcode], header[1] & 0xffff, header[2], specific);  		break;  	default: -		dev_notice(ohci->card.device, -			   "A%c spd %x tl %02x, " -			   "%04x -> %04x, %s, " -			   "%s%s\n", -			   dir, speed, header[0] >> 10 & 0x3f, -			   header[1] >> 16, header[0] >> 16, evts[evt], -			   tcodes[tcode], specific); +		ohci_notice(ohci, +			    "A%c spd %x tl %02x, %04x -> %04x, %s, %s%s\n", +			    dir, speed, header[0] >> 10 & 0x3f, +			    header[1] >> 16, header[0] >> 16, evts[evt], +			    tcodes[tcode], specific);  	}  } @@ -563,7 +572,8 @@ static int read_phy_reg(struct fw_ohci *ohci, int addr)  		if (i >= 3)  			msleep(1);  	} -	dev_err(ohci->card.device, "failed to read phy reg\n"); +	ohci_err(ohci, "failed to read phy reg %d\n", addr); +	dump_stack();  	return -EBUSY;  } @@ -585,7 +595,8 @@ static int write_phy_reg(const struct fw_ohci *ohci, int addr, u32 val)  		if (i >= 3)  			msleep(1);  	} -	dev_err(ohci->card.device, "failed to write phy reg\n"); +	ohci_err(ohci, "failed to write phy reg %d, val %u\n", addr, val); +	dump_stack();  	return -EBUSY;  } @@ -690,8 +701,7 @@ static void ar_context_abort(struct ar_context *ctx, const char *error_msg)  		reg_write(ohci, CONTROL_CLEAR(ctx->regs), CONTEXT_RUN);  		flush_writes(ohci); -		dev_err(ohci->card.device, "AR error: %s; DMA stopped\n", -			error_msg); +		ohci_err(ohci, "AR error: %s; DMA stopped\n", error_msg);  	}  	/* FIXME: restart? */  } @@ -1157,6 +1167,7 @@ static int context_init(struct context *ctx, struct fw_ohci *ohci,  	ctx->buffer_tail->used += sizeof(*ctx->buffer_tail->buffer);  	ctx->last = ctx->buffer_tail->buffer;  	ctx->prev = ctx->buffer_tail->buffer; +	ctx->prev_z = 1;  	return 0;  } @@ -1221,14 +1232,35 @@ static void context_append(struct context *ctx,  {  	dma_addr_t d_bus;  	struct descriptor_buffer *desc = ctx->buffer_tail; +	struct descriptor *d_branch;  	d_bus = desc->buffer_bus + (d - desc->buffer) * sizeof(*d);  	desc->used += (z + extra) * sizeof(*d);  	wmb(); /* finish init of new descriptors before branch_address update */ -	ctx->prev->branch_address = cpu_to_le32(d_bus | z); -	ctx->prev = find_branch_descriptor(d, z); + +	d_branch = find_branch_descriptor(ctx->prev, ctx->prev_z); +	d_branch->branch_address = cpu_to_le32(d_bus | z); + +	/* +	 * VT6306 incorrectly checks only the single descriptor at the +	 * CommandPtr when the wake bit is written, so if it's a +	 * multi-descriptor block starting with an INPUT_MORE, put a copy of +	 * the branch address in the first descriptor. +	 * +	 * Not doing this for transmit contexts since not sure how it interacts +	 * with skip addresses. +	 */ +	if (unlikely(ctx->ohci->quirks & QUIRK_IR_WAKE) && +	    d_branch != ctx->prev && +	    (ctx->prev->control & cpu_to_le16(DESCRIPTOR_CMD)) == +	     cpu_to_le16(DESCRIPTOR_INPUT_MORE)) { +		ctx->prev->branch_address = cpu_to_le32(d_bus | z); +	} + +	ctx->prev = d; +	ctx->prev_z = z;  }  static void context_stop(struct context *ctx) @@ -1248,7 +1280,7 @@ static void context_stop(struct context *ctx)  		if (i)  			udelay(10);  	} -	dev_err(ohci->card.device, "DMA context still active (0x%08x)\n", reg); +	ohci_err(ohci, "DMA context still active (0x%08x)\n", reg);  }  struct driver_data { @@ -1557,7 +1589,7 @@ static void handle_local_lock(struct fw_ohci *ohci,  			goto out;  		} -	dev_err(ohci->card.device, "swap not done (CSR lock timeout)\n"); +	ohci_err(ohci, "swap not done (CSR lock timeout)\n");  	fw_fill_response(&response, packet->header, RCODE_BUSY, NULL, 0);   out: @@ -1632,8 +1664,7 @@ static void detect_dead_context(struct fw_ohci *ohci,  	ctl = reg_read(ohci, CONTROL_SET(regs));  	if (ctl & CONTEXT_DEAD) -		dev_err(ohci->card.device, -			"DMA context %s has stopped, error code: %s\n", +		ohci_err(ohci, "DMA context %s has stopped, error code: %s\n",  			name, evts[ctl & 0x1f]);  } @@ -1815,8 +1846,8 @@ static int find_and_insert_self_id(struct fw_ohci *ohci, int self_id_count)  	reg = reg_read(ohci, OHCI1394_NodeID);  	if (!(reg & OHCI1394_NodeID_idValid)) { -		dev_notice(ohci->card.device, -			   "node ID not valid, new bus reset in progress\n"); +		ohci_notice(ohci, +			    "node ID not valid, new bus reset in progress\n");  		return -EBUSY;  	}  	self_id |= ((reg & 0x3f) << 24); /* phy ID */ @@ -1863,12 +1894,12 @@ static void bus_reset_work(struct work_struct *work)  	reg = reg_read(ohci, OHCI1394_NodeID);  	if (!(reg & OHCI1394_NodeID_idValid)) { -		dev_notice(ohci->card.device, -			   "node ID not valid, new bus reset in progress\n"); +		ohci_notice(ohci, +			    "node ID not valid, new bus reset in progress\n");  		return;  	}  	if ((reg & OHCI1394_NodeID_nodeNumber) == 63) { -		dev_notice(ohci->card.device, "malconfigured bus\n"); +		ohci_notice(ohci, "malconfigured bus\n");  		return;  	}  	ohci->node_id = reg & (OHCI1394_NodeID_busNumber | @@ -1882,7 +1913,7 @@ static void bus_reset_work(struct work_struct *work)  	reg = reg_read(ohci, OHCI1394_SelfIDCount);  	if (reg & OHCI1394_SelfIDCount_selfIDError) { -		dev_notice(ohci->card.device, "inconsistent self IDs\n"); +		ohci_notice(ohci, "self ID receive error\n");  		return;  	}  	/* @@ -1894,7 +1925,7 @@ static void bus_reset_work(struct work_struct *work)  	self_id_count = (reg >> 3) & 0xff;  	if (self_id_count > 252) { -		dev_notice(ohci->card.device, "inconsistent self IDs\n"); +		ohci_notice(ohci, "bad selfIDSize (%08x)\n", reg);  		return;  	} @@ -1902,7 +1933,10 @@ static void bus_reset_work(struct work_struct *work)  	rmb();  	for (i = 1, j = 0; j < self_id_count; i += 2, j++) { -		if (ohci->self_id_cpu[i] != ~ohci->self_id_cpu[i + 1]) { +		u32 id  = cond_le32_to_cpu(ohci->self_id_cpu[i]); +		u32 id2 = cond_le32_to_cpu(ohci->self_id_cpu[i + 1]); + +		if (id != ~id2) {  			/*  			 * If the invalid data looks like a cycle start packet,  			 * it's likely to be the result of the cycle master @@ -1910,33 +1944,30 @@ static void bus_reset_work(struct work_struct *work)  			 * so far are valid and should be processed so that the  			 * bus manager can then correct the gap count.  			 */ -			if (cond_le32_to_cpu(ohci->self_id_cpu[i]) -							== 0xffff008f) { -				dev_notice(ohci->card.device, -					   "ignoring spurious self IDs\n"); +			if (id == 0xffff008f) { +				ohci_notice(ohci, "ignoring spurious self IDs\n");  				self_id_count = j;  				break; -			} else { -				dev_notice(ohci->card.device, -					   "inconsistent self IDs\n"); -				return;  			} + +			ohci_notice(ohci, "bad self ID %d/%d (%08x != ~%08x)\n", +				    j, self_id_count, id, id2); +			return;  		} -		ohci->self_id_buffer[j] = -				cond_le32_to_cpu(ohci->self_id_cpu[i]); +		ohci->self_id_buffer[j] = id;  	}  	if (ohci->quirks & QUIRK_TI_SLLZ059) {  		self_id_count = find_and_insert_self_id(ohci, self_id_count);  		if (self_id_count < 0) { -			dev_notice(ohci->card.device, -				   "could not construct local self ID\n"); +			ohci_notice(ohci, +				    "could not construct local self ID\n");  			return;  		}  	}  	if (self_id_count == 0) { -		dev_notice(ohci->card.device, "inconsistent self IDs\n"); +		ohci_notice(ohci, "no self IDs\n");  		return;  	}  	rmb(); @@ -1957,8 +1988,7 @@ static void bus_reset_work(struct work_struct *work)  	new_generation = (reg_read(ohci, OHCI1394_SelfIDCount) >> 16) & 0xff;  	if (new_generation != generation) { -		dev_notice(ohci->card.device, -			   "new bus reset, discarding self ids\n"); +		ohci_notice(ohci, "new bus reset, discarding self ids\n");  		return;  	} @@ -2096,7 +2126,7 @@ static irqreturn_t irq_handler(int irq, void *data)  	}  	if (unlikely(event & OHCI1394_regAccessFail)) -		dev_err(ohci->card.device, "register access failure\n"); +		ohci_err(ohci, "register access failure\n");  	if (unlikely(event & OHCI1394_postedWriteErr)) {  		reg_read(ohci, OHCI1394_PostedWriteAddressHi); @@ -2104,13 +2134,12 @@ static irqreturn_t irq_handler(int irq, void *data)  		reg_write(ohci, OHCI1394_IntEventClear,  			  OHCI1394_postedWriteErr);  		if (printk_ratelimit()) -			dev_err(ohci->card.device, "PCI posted write error\n"); +			ohci_err(ohci, "PCI posted write error\n");  	}  	if (unlikely(event & OHCI1394_cycleTooLong)) {  		if (printk_ratelimit()) -			dev_notice(ohci->card.device, -				   "isochronous cycle too long\n"); +			ohci_notice(ohci, "isochronous cycle too long\n");  		reg_write(ohci, OHCI1394_LinkControlSet,  			  OHCI1394_LinkControl_cycleMaster);  	} @@ -2123,8 +2152,7 @@ static irqreturn_t irq_handler(int irq, void *data)  		 * them at least two cycles later.  (FIXME?)  		 */  		if (printk_ratelimit()) -			dev_notice(ohci->card.device, -				   "isochronous cycle inconsistent\n"); +			ohci_notice(ohci, "isochronous cycle inconsistent\n");  	}  	if (unlikely(event & OHCI1394_unrecoverableError)) @@ -2246,12 +2274,11 @@ static int ohci_enable(struct fw_card *card,  		       const __be32 *config_rom, size_t length)  {  	struct fw_ohci *ohci = fw_ohci(card); -	struct pci_dev *dev = to_pci_dev(card->device);  	u32 lps, version, irqs;  	int i, ret;  	if (software_reset(ohci)) { -		dev_err(card->device, "failed to reset ohci card\n"); +		ohci_err(ohci, "failed to reset ohci card\n");  		return -EBUSY;  	} @@ -2262,20 +2289,31 @@ static int ohci_enable(struct fw_card *card,  	 * will lock up the machine.  Wait 50msec to make sure we have  	 * full link enabled.  However, with some cards (well, at least  	 * a JMicron PCIe card), we have to try again sometimes. +	 * +	 * TI TSB82AA2 + TSB81BA3(A) cards signal LPS enabled early but +	 * cannot actually use the phy at that time.  These need tens of +	 * millisecods pause between LPS write and first phy access too. +	 * +	 * But do not wait for 50msec on Agere/LSI cards.  Their phy +	 * arbitration state machine may time out during such a long wait.  	 */ +  	reg_write(ohci, OHCI1394_HCControlSet,  		  OHCI1394_HCControl_LPS |  		  OHCI1394_HCControl_postedWriteEnable);  	flush_writes(ohci); -	for (lps = 0, i = 0; !lps && i < 3; i++) { +	if (!(ohci->quirks & QUIRK_PHY_LCTRL_TIMEOUT))  		msleep(50); + +	for (lps = 0, i = 0; !lps && i < 150; i++) { +		msleep(1);  		lps = reg_read(ohci, OHCI1394_HCControlSet) &  		      OHCI1394_HCControl_LPS;  	}  	if (!lps) { -		dev_err(card->device, "failed to set Link Power Status\n"); +		ohci_err(ohci, "failed to set Link Power Status\n");  		return -EIO;  	} @@ -2284,7 +2322,7 @@ static int ohci_enable(struct fw_card *card,  		if (ret < 0)  			return ret;  		if (ret) -			dev_notice(card->device, "local TSB41BA3D phy\n"); +			ohci_notice(ohci, "local TSB41BA3D phy\n");  		else  			ohci->quirks &= ~QUIRK_TI_SLLZ059;  	} @@ -2382,24 +2420,6 @@ static int ohci_enable(struct fw_card *card,  	reg_write(ohci, OHCI1394_AsReqFilterHiSet, 0x80000000); -	if (!(ohci->quirks & QUIRK_NO_MSI)) -		pci_enable_msi(dev); -	if (request_irq(dev->irq, irq_handler, -			pci_dev_msi_enabled(dev) ? 0 : IRQF_SHARED, -			ohci_driver_name, ohci)) { -		dev_err(card->device, "failed to allocate interrupt %d\n", -			dev->irq); -		pci_disable_msi(dev); - -		if (config_rom) { -			dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE, -					  ohci->next_config_rom, -					  ohci->next_config_rom_bus); -			ohci->next_config_rom = NULL; -		} -		return -EIO; -	} -  	irqs =	OHCI1394_reqTxComplete | OHCI1394_respTxComplete |  		OHCI1394_RQPkt | OHCI1394_RSPkt |  		OHCI1394_isochTx | OHCI1394_isochRx | @@ -3578,20 +3598,20 @@ static int pci_probe(struct pci_dev *dev,  	if (!(pci_resource_flags(dev, 0) & IORESOURCE_MEM) ||  	    pci_resource_len(dev, 0) < OHCI1394_REGISTER_SIZE) { -		dev_err(&dev->dev, "invalid MMIO resource\n"); +		ohci_err(ohci, "invalid MMIO resource\n");  		err = -ENXIO;  		goto fail_disable;  	}  	err = pci_request_region(dev, 0, ohci_driver_name);  	if (err) { -		dev_err(&dev->dev, "MMIO resource unavailable\n"); +		ohci_err(ohci, "MMIO resource unavailable\n");  		goto fail_disable;  	}  	ohci->registers = pci_iomap(dev, 0, OHCI1394_REGISTER_SIZE);  	if (ohci->registers == NULL) { -		dev_err(&dev->dev, "failed to remap registers\n"); +		ohci_err(ohci, "failed to remap registers\n");  		err = -ENXIO;  		goto fail_iomem;  	} @@ -3675,19 +3695,33 @@ static int pci_probe(struct pci_dev *dev,  	guid = ((u64) reg_read(ohci, OHCI1394_GUIDHi) << 32) |  		reg_read(ohci, OHCI1394_GUIDLo); +	if (!(ohci->quirks & QUIRK_NO_MSI)) +		pci_enable_msi(dev); +	if (request_irq(dev->irq, irq_handler, +			pci_dev_msi_enabled(dev) ? 0 : IRQF_SHARED, +			ohci_driver_name, ohci)) { +		ohci_err(ohci, "failed to allocate interrupt %d\n", dev->irq); +		err = -EIO; +		goto fail_msi; +	} +  	err = fw_card_add(&ohci->card, max_receive, link_speed, guid);  	if (err) -		goto fail_contexts; +		goto fail_irq;  	version = reg_read(ohci, OHCI1394_Version) & 0x00ff00ff; -	dev_notice(&dev->dev, -		  "added OHCI v%x.%x device as card %d, " -		  "%d IR + %d IT contexts, quirks 0x%x\n", -		  version >> 16, version & 0xff, ohci->card.index, -		  ohci->n_ir, ohci->n_it, ohci->quirks); +	ohci_notice(ohci, +		    "added OHCI v%x.%x device as card %d, " +		    "%d IR + %d IT contexts, quirks 0x%x\n", +		    version >> 16, version & 0xff, ohci->card.index, +		    ohci->n_ir, ohci->n_it, ohci->quirks);  	return 0; + fail_irq: +	free_irq(dev->irq, ohci); + fail_msi: +	pci_disable_msi(dev);   fail_contexts:  	kfree(ohci->ir_context_list);  	kfree(ohci->it_context_list); @@ -3711,19 +3745,21 @@ static int pci_probe(struct pci_dev *dev,  	kfree(ohci);  	pmac_ohci_off(dev);   fail: -	if (err == -ENOMEM) -		dev_err(&dev->dev, "out of memory\n"); -  	return err;  }  static void pci_remove(struct pci_dev *dev)  { -	struct fw_ohci *ohci; +	struct fw_ohci *ohci = pci_get_drvdata(dev); -	ohci = pci_get_drvdata(dev); -	reg_write(ohci, OHCI1394_IntMaskClear, ~0); -	flush_writes(ohci); +	/* +	 * If the removal is happening from the suspend state, LPS won't be +	 * enabled and host registers (eg., IntMaskClear) won't be accessible. +	 */ +	if (reg_read(ohci, OHCI1394_HCControlSet) & OHCI1394_HCControl_LPS) { +		reg_write(ohci, OHCI1394_IntMaskClear, ~0); +		flush_writes(ohci); +	}  	cancel_work_sync(&ohci->bus_reset_work);  	fw_core_remove_card(&ohci->card); @@ -3766,16 +3802,14 @@ static int pci_suspend(struct pci_dev *dev, pm_message_t state)  	int err;  	software_reset(ohci); -	free_irq(dev->irq, ohci); -	pci_disable_msi(dev);  	err = pci_save_state(dev);  	if (err) { -		dev_err(&dev->dev, "pci_save_state failed\n"); +		ohci_err(ohci, "pci_save_state failed\n");  		return err;  	}  	err = pci_set_power_state(dev, pci_choose_state(dev, state));  	if (err) -		dev_err(&dev->dev, "pci_set_power_state failed with %d\n", err); +		ohci_err(ohci, "pci_set_power_state failed with %d\n", err);  	pmac_ohci_off(dev);  	return 0; @@ -3791,7 +3825,7 @@ static int pci_resume(struct pci_dev *dev)  	pci_restore_state(dev);  	err = pci_enable_device(dev);  	if (err) { -		dev_err(&dev->dev, "pci_enable_device failed\n"); +		ohci_err(ohci, "pci_enable_device failed\n");  		return err;  	} @@ -3837,6 +3871,4 @@ MODULE_DESCRIPTION("Driver for PCI OHCI IEEE1394 controllers");  MODULE_LICENSE("GPL");  /* Provide a module alias so root-on-sbp2 initrds don't break. */ -#ifndef CONFIG_IEEE1394_OHCI1394_MODULE  MODULE_ALIAS("ohci1394"); -#endif diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c index 1162d6b3bf8..47674b91384 100644 --- a/drivers/firewire/sbp2.c +++ b/drivers/firewire/sbp2.c @@ -1144,8 +1144,8 @@ static int sbp2_probe(struct device *dev)  		return -ENODEV;  	if (dma_get_max_seg_size(device->card->device) > SBP2_MAX_SEG_SIZE) -		BUG_ON(dma_set_max_seg_size(device->card->device, -					    SBP2_MAX_SEG_SIZE)); +		WARN_ON(dma_set_max_seg_size(device->card->device, +					     SBP2_MAX_SEG_SIZE));  	shost = scsi_host_alloc(&scsi_driver_template, sizeof(*tgt));  	if (shost == NULL) @@ -1475,10 +1475,8 @@ static int sbp2_scsi_queuecommand(struct Scsi_Host *shost,  	}  	orb = kzalloc(sizeof(*orb), GFP_ATOMIC); -	if (orb == NULL) { -		dev_notice(lu_dev(lu), "failed to alloc ORB\n"); +	if (orb == NULL)  		return SCSI_MLQUEUE_HOST_BUSY; -	}  	/* Initialize rcode to something not RCODE_COMPLETE. */  	orb->base.rcode = -1; @@ -1636,9 +1634,7 @@ MODULE_LICENSE("GPL");  MODULE_DEVICE_TABLE(ieee1394, sbp2_id_table);  /* Provide a module alias so root-on-sbp2 initrds don't break. */ -#ifndef CONFIG_IEEE1394_SBP2_MODULE  MODULE_ALIAS("sbp2"); -#endif  static int __init sbp2_init(void)  {  |