[PATCH 2/3] firewire: ohci: use dev_printk API

From: Stefan Richter
Date: Tue Dec 20 2011 - 15:33:02 EST

All messages are uniformly prefixed by driver name and device name now.

Signed-off-by: Stefan Richter <stefanr@xxxxxxxxxxxxxxxxx>
---
PS, any of these three patches is applicable independently of the others.

drivers/firewire/ohci.c | 185 +++++++++++++++++++++++-----------------
1 file changed, 106 insertions(+), 79 deletions(-)

Index: b/drivers/firewire/ohci.c
===================================================================
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -345,7 +345,7 @@ MODULE_PARM_DESC(debug, "Verbose logging
", busReset events = " __stringify(OHCI_PARAM_DEBUG_BUSRESETS)
", or a combination, or all = -1)");

-static void log_irqs(u32 evt)
+static void log_irqs(struct fw_ohci *ohci, u32 evt)
{
if (likely(!(param_debug &
(OHCI_PARAM_DEBUG_IRQS | OHCI_PARAM_DEBUG_BUSRESETS))))
@@ -355,7 +355,8 @@ static void log_irqs(u32 evt)
!(evt & OHCI1394_busReset))
return;

- fw_notify("IRQ %08x%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n", evt,
+ dev_notice(ohci->card.device,
+ "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" : "",
@@ -394,24 +395,29 @@ static char _p(u32 *s, int shift)
return port[*s >> shift & 3];
}

-static void log_selfids(int node_id, int generation, int self_id_count, u32 *s)
+static void log_selfids(struct fw_ohci *ohci, int generation, int self_id_count)
{
+ u32 *s;
+
if (likely(!(param_debug & OHCI_PARAM_DEBUG_SELFIDS)))
return;

- fw_notify("%d selfIDs, generation %d, local node ID %04x\n",
- self_id_count, generation, node_id);
+ dev_notice(ohci->card.device,
+ "%d selfIDs, generation %d, local node ID %04x\n",
+ self_id_count, generation, ohci->node_id);

- for (; self_id_count--; ++s)
+ for (s = ohci->self_id_buffer; self_id_count--; ++s)
if ((*s & 1 << 23) == 0)
- fw_notify("selfID 0: %08x, phy %d [%c%c%c] "
+ dev_notice(ohci->card.device,
+ "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
- fw_notify("selfID n: %08x, phy %d [%c%c%c%c%c%c%c%c]\n",
+ dev_notice(ohci->card.device,
+ "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),
_p(s, 8), _p(s, 6), _p(s, 4), _p(s, 2));
@@ -447,7 +453,8 @@ static const char *tcodes[] = {
[0xe] = "link internal", [0xf] = "-reserved-",
};

-static void log_ar_at_event(char dir, int speed, u32 *header, int evt)
+static void log_ar_at_event(struct fw_ohci *ohci,
+ char dir, int speed, u32 *header, int evt)
{
int tcode = header[0] >> 4 & 0xf;
char specific[12];
@@ -459,8 +466,9 @@ static void log_ar_at_event(char dir, in
evt = 0x1f;

if (evt == OHCI1394_evt_bus_reset) {
- fw_notify("A%c evt_bus_reset, generation %d\n",
- dir, (header[2] >> 16) & 0xff);
+ dev_notice(ohci->card.device,
+ "A%c evt_bus_reset, generation %d\n",
+ dir, (header[2] >> 16) & 0xff);
return;
}

@@ -479,36 +487,41 @@ static void log_ar_at_event(char dir, in

switch (tcode) {
case 0xa:
- fw_notify("A%c %s, %s\n", dir, evts[evt], tcodes[tcode]);
+ dev_notice(ohci->card.device,
+ "A%c %s, %s\n",
+ dir, evts[evt], tcodes[tcode]);
break;
case 0xe:
- fw_notify("A%c %s, PHY %08x %08x\n",
- dir, evts[evt], header[1], header[2]);
+ dev_notice(ohci->card.device,
+ "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:
- fw_notify("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);
+ 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);
break;
default:
- fw_notify("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);
+ 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);
}
}

#else

#define param_debug 0
-static inline void log_irqs(u32 evt) {}
-static inline void log_selfids(int node_id, int generation, int self_id_count, u32 *s) {}
-static inline void log_ar_at_event(char dir, int speed, u32 *header, int evt) {}
+static inline void log_irqs(struct fw_ohci *ohci, u32 evt) {}
+static inline void log_selfids(struct fw_ohci *ohci, int generation, int self_id_count) {}
+static inline void log_ar_at_event(struct fw_ohci *ohci, char dir, int speed, u32 *header, int evt) {}

#endif /* CONFIG_FIREWIRE_OHCI_DEBUG */

@@ -555,7 +568,7 @@ static int read_phy_reg(struct fw_ohci *
if (i >= 3)
msleep(1);
}
- fw_error("failed to read phy reg\n");
+ dev_err(ohci->card.device, "failed to read phy reg\n");

return -EBUSY;
}
@@ -577,7 +590,7 @@ static int write_phy_reg(const struct fw
if (i >= 3)
msleep(1);
}
- fw_error("failed to write phy reg\n");
+ dev_err(ohci->card.device, "failed to write phy reg\n");

return -EBUSY;
}
@@ -676,11 +689,14 @@ static void ar_context_release(struct ar

static void ar_context_abort(struct ar_context *ctx, const char *error_msg)
{
- if (reg_read(ctx->ohci, CONTROL_CLEAR(ctx->regs)) & CONTEXT_RUN) {
- reg_write(ctx->ohci, CONTROL_CLEAR(ctx->regs), CONTEXT_RUN);
- flush_writes(ctx->ohci);
+ struct fw_ohci *ohci = ctx->ohci;

- fw_error("AR error: %s; DMA stopped\n", error_msg);
+ if (reg_read(ohci, CONTROL_CLEAR(ctx->regs)) & CONTEXT_RUN) {
+ 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);
}
/* FIXME: restart? */
}
@@ -850,7 +866,7 @@ static __le32 *handle_ar_packet(struct a
p.timestamp = status & 0xffff;
p.generation = ohci->request_generation;

- log_ar_at_event('R', p.speed, p.header, evt);
+ log_ar_at_event(ohci, 'R', p.speed, p.header, evt);

/*
* Several controllers, notably from NEC and VIA, forget to
@@ -1222,21 +1238,22 @@ static void context_append(struct contex

static void context_stop(struct context *ctx)
{
+ struct fw_ohci *ohci = ctx->ohci;
u32 reg;
int i;

- reg_write(ctx->ohci, CONTROL_CLEAR(ctx->regs), CONTEXT_RUN);
+ reg_write(ohci, CONTROL_CLEAR(ctx->regs), CONTEXT_RUN);
ctx->running = false;

for (i = 0; i < 1000; i++) {
- reg = reg_read(ctx->ohci, CONTROL_SET(ctx->regs));
+ reg = reg_read(ohci, CONTROL_SET(ctx->regs));
if ((reg & CONTEXT_ACTIVE) == 0)
return;

if (i)
udelay(10);
}
- fw_error("Error: DMA context still active (0x%08x)\n", reg);
+ dev_err(ohci->card.device, "DMA context still active (0x%08x)\n", reg);
}

struct driver_data {
@@ -1416,7 +1433,7 @@ static int handle_at_packet(struct conte
evt = le16_to_cpu(last->transfer_status) & 0x1f;
packet->timestamp = le16_to_cpu(last->res_count);

- log_ar_at_event('T', packet->speed, packet->header, evt);
+ log_ar_at_event(ohci, 'T', packet->speed, packet->header, evt);

switch (evt) {
case OHCI1394_evt_timeout:
@@ -1545,7 +1562,7 @@ static void handle_local_lock(struct fw_
goto out;
}

- fw_error("swap not done (CSR lock timeout)\n");
+ dev_err(ohci->card.device, "swap not done (CSR lock timeout)\n");
fw_fill_response(&response, packet->header, RCODE_BUSY, NULL, 0);

out:
@@ -1621,11 +1638,13 @@ static void detect_dead_context(struct f
ctl = reg_read(ohci, CONTROL_SET(regs));
if (ctl & CONTEXT_DEAD) {
#ifdef CONFIG_FIREWIRE_OHCI_DEBUG
- fw_error("DMA context %s has stopped, error code: %s\n",
- name, evts[ctl & 0x1f]);
+ dev_err(ohci->card.device,
+ "DMA context %s has stopped, error code: %s\n",
+ name, evts[ctl & 0x1f]);
#else
- fw_error("DMA context %s has stopped, error code: %#x\n",
- name, ctl & 0x1f);
+ dev_err(ohci->card.device,
+ "DMA context %s has stopped, error code: %#x\n",
+ name, ctl & 0x1f);
#endif
}
}
@@ -1777,7 +1796,8 @@ static int find_and_insert_self_id(struc

reg = reg_read(ohci, OHCI1394_NodeID);
if (!(reg & OHCI1394_NodeID_idValid)) {
- fw_notify("node ID not valid, new bus reset in progress\n");
+ dev_notice(ohci->card.device,
+ "node ID not valid, new bus reset in progress\n");
return -EBUSY;
}
self_id |= ((reg & 0x3f) << 24); /* phy ID */
@@ -1823,11 +1843,12 @@ static void bus_reset_work(struct work_s

reg = reg_read(ohci, OHCI1394_NodeID);
if (!(reg & OHCI1394_NodeID_idValid)) {
- fw_notify("node ID not valid, new bus reset in progress\n");
+ dev_notice(ohci->card.device,
+ "node ID not valid, new bus reset in progress\n");
return;
}
if ((reg & OHCI1394_NodeID_nodeNumber) == 63) {
- fw_notify("malconfigured bus\n");
+ dev_notice(ohci->card.device, "malconfigured bus\n");
return;
}
ohci->node_id = reg & (OHCI1394_NodeID_busNumber |
@@ -1841,7 +1862,7 @@ static void bus_reset_work(struct work_s

reg = reg_read(ohci, OHCI1394_SelfIDCount);
if (reg & OHCI1394_SelfIDCount_selfIDError) {
- fw_notify("inconsistent self IDs\n");
+ dev_notice(ohci->card.device, "inconsistent self IDs\n");
return;
}
/*
@@ -1853,7 +1874,7 @@ static void bus_reset_work(struct work_s
self_id_count = (reg >> 3) & 0xff;

if (self_id_count > 252) {
- fw_notify("inconsistent self IDs\n");
+ dev_notice(ohci->card.device, "inconsistent self IDs\n");
return;
}

@@ -1871,11 +1892,13 @@ static void bus_reset_work(struct work_s
*/
if (cond_le32_to_cpu(ohci->self_id_cpu[i])
== 0xffff008f) {
- fw_notify("ignoring spurious self IDs\n");
+ dev_notice(ohci->card.device,
+ "ignoring spurious self IDs\n");
self_id_count = j;
break;
} else {
- fw_notify("inconsistent self IDs\n");
+ dev_notice(ohci->card.device,
+ "inconsistent self IDs\n");
return;
}
}
@@ -1886,13 +1909,14 @@ static void bus_reset_work(struct work_s
if (ohci->quirks & QUIRK_TI_SLLZ059) {
self_id_count = find_and_insert_self_id(ohci, self_id_count);
if (self_id_count < 0) {
- fw_notify("could not construct local self ID\n");
+ dev_notice(ohci->card.device,
+ "could not construct local self ID\n");
return;
}
}

if (self_id_count == 0) {
- fw_notify("inconsistent self IDs\n");
+ dev_notice(ohci->card.device, "inconsistent self IDs\n");
return;
}
rmb();
@@ -1913,8 +1937,8 @@ static void bus_reset_work(struct work_s

new_generation = (reg_read(ohci, OHCI1394_SelfIDCount) >> 16) & 0xff;
if (new_generation != generation) {
- fw_notify("recursive bus reset detected, "
- "discarding self ids\n");
+ dev_notice(ohci->card.device,
+ "new bus reset, discarding self ids\n");
return;
}

@@ -1985,8 +2009,7 @@ static void bus_reset_work(struct work_s
dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE,
free_rom, free_rom_bus);

- log_selfids(ohci->node_id, generation,
- self_id_count, ohci->self_id_buffer);
+ log_selfids(ohci, generation, self_id_count);

fw_core_handle_bus_reset(&ohci->card, ohci->node_id, generation,
self_id_count, ohci->self_id_buffer,
@@ -2011,7 +2034,7 @@ static irqreturn_t irq_handler(int irq,
*/
reg_write(ohci, OHCI1394_IntEventClear,
event & ~(OHCI1394_busReset | OHCI1394_postedWriteErr));
- log_irqs(event);
+ log_irqs(ohci, event);

if (event & OHCI1394_selfIDComplete)
queue_work(fw_workqueue, &ohci->bus_reset_work);
@@ -2053,8 +2076,8 @@ static irqreturn_t irq_handler(int irq,
}

if (unlikely(event & OHCI1394_regAccessFail))
- fw_error("Register access failure - "
- "please notify linux1394-devel@xxxxxxxxxxxx\n");
+ dev_err(ohci->card.device,
+ "register access failure - please notify linux1394-devel@xxxxxxxxxxxx\n");

if (unlikely(event & OHCI1394_postedWriteErr)) {
reg_read(ohci, OHCI1394_PostedWriteAddressHi);
@@ -2062,12 +2085,13 @@ static irqreturn_t irq_handler(int irq,
reg_write(ohci, OHCI1394_IntEventClear,
OHCI1394_postedWriteErr);
if (printk_ratelimit())
- fw_error("PCI posted write error\n");
+ dev_err(ohci->card.device, "PCI posted write error\n");
}

if (unlikely(event & OHCI1394_cycleTooLong)) {
if (printk_ratelimit())
- fw_notify("isochronous cycle too long\n");
+ dev_notice(ohci->card.device,
+ "isochronous cycle too long\n");
reg_write(ohci, OHCI1394_LinkControlSet,
OHCI1394_LinkControl_cycleMaster);
}
@@ -2080,7 +2104,8 @@ static irqreturn_t irq_handler(int irq,
* them at least two cycles later. (FIXME?)
*/
if (printk_ratelimit())
- fw_notify("isochronous cycle inconsistent\n");
+ dev_notice(ohci->card.device,
+ "isochronous cycle inconsistent\n");
}

if (unlikely(event & OHCI1394_unrecoverableError))
@@ -2207,7 +2232,7 @@ static int ohci_enable(struct fw_card *c
int i, ret;

if (software_reset(ohci)) {
- fw_error("Failed to reset ohci card.\n");
+ dev_err(card->device, "failed to reset ohci card\n");
return -EBUSY;
}

@@ -2231,7 +2256,7 @@ static int ohci_enable(struct fw_card *c
}

if (!lps) {
- fw_error("Failed to set Link Power Status\n");
+ dev_err(card->device, "failed to set Link Power Status\n");
return -EIO;
}

@@ -2240,7 +2265,7 @@ static int ohci_enable(struct fw_card *c
if (ret < 0)
return ret;
if (ret)
- fw_notify("local TSB41BA3D phy\n");
+ dev_notice(card->device, "local TSB41BA3D phy\n");
else
ohci->quirks &= ~QUIRK_TI_SLLZ059;
}
@@ -2340,7 +2365,8 @@ static int ohci_enable(struct fw_card *c
if (request_irq(dev->irq, irq_handler,
pci_dev_msi_enabled(dev) ? 0 : IRQF_SHARED,
ohci_driver_name, ohci)) {
- fw_error("Failed to allocate interrupt %d.\n", dev->irq);
+ dev_err(card->device, "failed to allocate interrupt %d\n",
+ dev->irq);
pci_disable_msi(dev);

if (config_rom) {
@@ -2505,7 +2531,7 @@ static int ohci_cancel_packet(struct fw_
dma_unmap_single(ohci->card.device, packet->payload_bus,
packet->payload_length, DMA_TO_DEVICE);

- log_ar_at_event('T', packet->speed, packet->header, 0x20);
+ log_ar_at_event(ohci, 'T', packet->speed, packet->header, 0x20);
driver_data->packet = NULL;
packet->ack = RCODE_CANCELLED;
packet->callback(packet, &ohci->card, packet->ack);
@@ -3459,7 +3485,7 @@ static int __devinit pci_probe(struct pc

err = pci_enable_device(dev);
if (err) {
- fw_error("Failed to enable OHCI hardware\n");
+ dev_err(&dev->dev, "failed to enable OHCI hardware\n");
goto fail_free;
}

@@ -3474,13 +3500,13 @@ static int __devinit pci_probe(struct pc

err = pci_request_region(dev, 0, ohci_driver_name);
if (err) {
- fw_error("MMIO resource unavailable\n");
+ dev_err(&dev->dev, "MMIO resource unavailable\n");
goto fail_disable;
}

ohci->registers = pci_iomap(dev, 0, OHCI1394_REGISTER_SIZE);
if (ohci->registers == NULL) {
- fw_error("Failed to remap registers\n");
+ dev_err(&dev->dev, "failed to remap registers\n");
err = -ENXIO;
goto fail_iomem;
}
@@ -3569,9 +3595,10 @@ static int __devinit pci_probe(struct pc
goto fail_contexts;

version = reg_read(ohci, OHCI1394_Version) & 0x00ff00ff;
- fw_notify("Added fw-ohci device %s, OHCI v%x.%x, "
+ dev_notice(&dev->dev,
+ "added OHCI v%x.%x device as card %d, "
"%d IR + %d IT contexts, quirks 0x%x\n",
- dev_name(&dev->dev), version >> 16, version & 0xff,
+ version >> 16, version & 0xff, ohci->card.index,
ohci->n_ir, ohci->n_it, ohci->quirks);

return 0;
@@ -3600,7 +3627,7 @@ static int __devinit pci_probe(struct pc
pmac_ohci_off(dev);
fail:
if (err == -ENOMEM)
- fw_error("Out of memory\n");
+ dev_err(&dev->dev, "out of memory\n");

return err;
}
@@ -3644,7 +3671,7 @@ static void pci_remove(struct pci_dev *d
kfree(ohci);
pmac_ohci_off(dev);

- fw_notify("Removed fw-ohci device.\n");
+ dev_notice(&dev->dev, "removed fw-ohci device\n");
}

#ifdef CONFIG_PM
@@ -3658,12 +3685,12 @@ static int pci_suspend(struct pci_dev *d
pci_disable_msi(dev);
err = pci_save_state(dev);
if (err) {
- fw_error("pci_save_state failed\n");
+ dev_err(&dev->dev, "pci_save_state failed\n");
return err;
}
err = pci_set_power_state(dev, pci_choose_state(dev, state));
if (err)
- fw_error("pci_set_power_state failed with %d\n", err);
+ dev_err(&dev->dev, "pci_set_power_state failed with %d\n", err);
pmac_ohci_off(dev);

return 0;
@@ -3679,7 +3706,7 @@ static int pci_resume(struct pci_dev *de
pci_restore_state(dev);
err = pci_enable_device(dev);
if (err) {
- fw_error("pci_enable_device failed\n");
+ dev_err(&dev->dev, "pci_enable_device failed\n");
return err;
}



--
Stefan Richter
-=====-==-== ==-- =-=--
http://arcgraph.de/sr/
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/