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PCI: Add wrappers for dev_printk()

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Add PCI-specific dev_printk() wrappers and use them to simplify the code
slightly.  No functional change intended.

Signed-off-by: Frederick Lawler <fred@fredlawl.com>
[bhelgaas: squash into one patch]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Frederick Lawler
2018-01-18 12:55:24 -06:00
committed by Bjorn Helgaas
parent c7abb2352c
commit 7506dc7989
29 changed files with 345 additions and 362 deletions
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82
drivers/pci/pci.c
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@@ -156,7 +156,7 @@ void __iomem *pci_ioremap_bar(struct pci_dev *pdev, int bar)
* Make sure the BAR is actually a memory resource, not an IO resource
*/
if (res->flags & IORESOURCE_UNSET || !(res->flags & IORESOURCE_MEM)) {
dev_warn(&pdev->dev, "can't ioremap BAR %d: %pR\n", bar, res);
pci_warn(pdev, "can't ioremap BAR %d: %pR\n", bar, res);
return NULL;
}
return ioremap_nocache(res->start, resource_size(res));
@@ -648,7 +648,7 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state)
*/
if (state != PCI_D0 && dev->current_state <= PCI_D3cold
&& dev->current_state > state) {
dev_err(&dev->dev, "invalid power transition (from state %d to %d)\n",
pci_err(dev, "invalid power transition (from state %d to %d)\n",
dev->current_state, state);
return -EINVAL;
}
@@ -696,7 +696,7 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state)
pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr);
dev->current_state = (pmcsr & PCI_PM_CTRL_STATE_MASK);
if (dev->current_state != state && printk_ratelimit())
dev_info(&dev->dev, "Refused to change power state, currently in D%d\n",
pci_info(dev, "Refused to change power state, currently in D%d\n",
dev->current_state);
/*
@@ -970,7 +970,7 @@ pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state)
case PM_EVENT_HIBERNATE:
return PCI_D3hot;
default:
dev_info(&dev->dev, "unrecognized suspend event %d\n",
pci_info(dev, "unrecognized suspend event %d\n",
state.event);
BUG();
}
@@ -1013,7 +1013,7 @@ static int pci_save_pcie_state(struct pci_dev *dev)
save_state = pci_find_saved_cap(dev, PCI_CAP_ID_EXP);
if (!save_state) {
dev_err(&dev->dev, "buffer not found in %s\n", __func__);
pci_err(dev, "buffer not found in %s\n", __func__);
return -ENOMEM;
}
@@ -1061,7 +1061,7 @@ static int pci_save_pcix_state(struct pci_dev *dev)
save_state = pci_find_saved_cap(dev, PCI_CAP_ID_PCIX);
if (!save_state) {
dev_err(&dev->dev, "buffer not found in %s\n", __func__);
pci_err(dev, "buffer not found in %s\n", __func__);
return -ENOMEM;
}
@@ -1121,7 +1121,7 @@ static void pci_restore_config_dword(struct pci_dev *pdev, int offset,
return;
for (;;) {
dev_dbg(&pdev->dev, "restoring config space at offset %#x (was %#x, writing %#x)\n",
pci_dbg(pdev, "restoring config space at offset %#x (was %#x, writing %#x)\n",
offset, val, saved_val);
pci_write_config_dword(pdev, offset, saved_val);
if (retry-- <= 0)
@@ -1358,7 +1358,7 @@ static void pci_enable_bridge(struct pci_dev *dev)
retval = pci_enable_device(dev);
if (retval)
dev_err(&dev->dev, "Error enabling bridge (%d), continuing\n",
pci_err(dev, "Error enabling bridge (%d), continuing\n",
retval);
pci_set_master(dev);
}
@@ -1863,7 +1863,7 @@ void pci_pme_active(struct pci_dev *dev, bool enable)
pme_dev = kmalloc(sizeof(struct pci_pme_device),
GFP_KERNEL);
if (!pme_dev) {
dev_warn(&dev->dev, "can't enable PME#\n");
pci_warn(dev, "can't enable PME#\n");
return;
}
pme_dev->dev = dev;
@@ -1887,7 +1887,7 @@ void pci_pme_active(struct pci_dev *dev, bool enable)
}
}
dev_dbg(&dev->dev, "PME# %s\n", enable ? "enabled" : "disabled");
pci_dbg(dev, "PME# %s\n", enable ? "enabled" : "disabled");
}
EXPORT_SYMBOL(pci_pme_active);
@@ -2424,7 +2424,7 @@ void pci_pm_init(struct pci_dev *dev)
pci_read_config_word(dev, pm + PCI_PM_PMC, &pmc);
if ((pmc & PCI_PM_CAP_VER_MASK) > 3) {
dev_err(&dev->dev, "unsupported PM cap regs version (%u)\n",
pci_err(dev, "unsupported PM cap regs version (%u)\n",
pmc & PCI_PM_CAP_VER_MASK);
return;
}
@@ -2444,15 +2444,14 @@ void pci_pm_init(struct pci_dev *dev)
dev->d2_support = true;
if (dev->d1_support || dev->d2_support)
dev_printk(KERN_DEBUG, &dev->dev, "supports%s%s\n",
pci_printk(KERN_DEBUG, dev, "supports%s%s\n",
dev->d1_support ? " D1" : "",
dev->d2_support ? " D2" : "");
}
pmc &= PCI_PM_CAP_PME_MASK;
if (pmc) {
dev_printk(KERN_DEBUG, &dev->dev,
"PME# supported from%s%s%s%s%s\n",
pci_printk(KERN_DEBUG, dev, "PME# supported from%s%s%s%s%s\n",
(pmc & PCI_PM_CAP_PME_D0) ? " D0" : "",
(pmc & PCI_PM_CAP_PME_D1) ? " D1" : "",
(pmc & PCI_PM_CAP_PME_D2) ? " D2" : "",
@@ -2544,13 +2543,13 @@ static int pci_ea_read(struct pci_dev *dev, int offset)
res = pci_ea_get_resource(dev, bei, prop);
if (!res) {
dev_err(&dev->dev, "Unsupported EA entry BEI: %u\n", bei);
pci_err(dev, "Unsupported EA entry BEI: %u\n", bei);
goto out;
}
flags = pci_ea_flags(dev, prop);
if (!flags) {
dev_err(&dev->dev, "Unsupported EA properties: %#x\n", prop);
pci_err(dev, "Unsupported EA properties: %#x\n", prop);
goto out;
}
@@ -2600,13 +2599,12 @@ static int pci_ea_read(struct pci_dev *dev, int offset)
}
if (end < start) {
dev_err(&dev->dev, "EA Entry crosses address boundary\n");
pci_err(dev, "EA Entry crosses address boundary\n");
goto out;
}
if (ent_size != ent_offset - offset) {
dev_err(&dev->dev,
"EA Entry Size (%d) does not match length read (%d)\n",
pci_err(dev, "EA Entry Size (%d) does not match length read (%d)\n",
ent_size, ent_offset - offset);
goto out;
}
@@ -2617,16 +2615,16 @@ static int pci_ea_read(struct pci_dev *dev, int offset)
res->flags = flags;
if (bei <= PCI_EA_BEI_BAR5)
dev_printk(KERN_DEBUG, &dev->dev, "BAR %d: %pR (from Enhanced Allocation, properties %#02x)\n",
pci_printk(KERN_DEBUG, dev, "BAR %d: %pR (from Enhanced Allocation, properties %#02x)\n",
bei, res, prop);
else if (bei == PCI_EA_BEI_ROM)
dev_printk(KERN_DEBUG, &dev->dev, "ROM: %pR (from Enhanced Allocation, properties %#02x)\n",
pci_printk(KERN_DEBUG, dev, "ROM: %pR (from Enhanced Allocation, properties %#02x)\n",
res, prop);
else if (bei >= PCI_EA_BEI_VF_BAR0 && bei <= PCI_EA_BEI_VF_BAR5)
dev_printk(KERN_DEBUG, &dev->dev, "VF BAR %d: %pR (from Enhanced Allocation, properties %#02x)\n",
pci_printk(KERN_DEBUG, dev, "VF BAR %d: %pR (from Enhanced Allocation, properties %#02x)\n",
bei - PCI_EA_BEI_VF_BAR0, res, prop);
else
dev_printk(KERN_DEBUG, &dev->dev, "BEI %d res: %pR (from Enhanced Allocation, properties %#02x)\n",
pci_printk(KERN_DEBUG, dev, "BEI %d res: %pR (from Enhanced Allocation, properties %#02x)\n",
bei, res, prop);
out:
@@ -2723,13 +2721,11 @@ void pci_allocate_cap_save_buffers(struct pci_dev *dev)
error = pci_add_cap_save_buffer(dev, PCI_CAP_ID_EXP,
PCI_EXP_SAVE_REGS * sizeof(u16));
if (error)
dev_err(&dev->dev,
"unable to preallocate PCI Express save buffer\n");
pci_err(dev, "unable to preallocate PCI Express save buffer\n");
error = pci_add_cap_save_buffer(dev, PCI_CAP_ID_PCIX, sizeof(u16));
if (error)
dev_err(&dev->dev,
"unable to preallocate PCI-X save buffer\n");
pci_err(dev, "unable to preallocate PCI-X save buffer\n");
pci_allocate_vc_save_buffers(dev);
}
@@ -3198,7 +3194,7 @@ static int __pci_request_region(struct pci_dev *pdev, int bar,
return 0;
err_out:
dev_warn(&pdev->dev, "BAR %d: can't reserve %pR\n", bar,
pci_warn(pdev, "BAR %d: can't reserve %pR\n", bar,
&pdev->resource[bar]);
return -EBUSY;
}
@@ -3621,7 +3617,7 @@ static void __pci_set_master(struct pci_dev *dev, bool enable)
else
cmd = old_cmd & ~PCI_COMMAND_MASTER;
if (cmd != old_cmd) {
dev_dbg(&dev->dev, "%s bus mastering\n",
pci_dbg(dev, "%s bus mastering\n",
enable ? "enabling" : "disabling");
pci_write_config_word(dev, PCI_COMMAND, cmd);
}
@@ -3722,7 +3718,7 @@ int pci_set_cacheline_size(struct pci_dev *dev)
if (cacheline_size == pci_cache_line_size)
return 0;
dev_printk(KERN_DEBUG, &dev->dev, "cache line size of %d is not supported\n",
pci_printk(KERN_DEBUG, dev, "cache line size of %d is not supported\n",
pci_cache_line_size << 2);
return -EINVAL;
@@ -3751,7 +3747,7 @@ int pci_set_mwi(struct pci_dev *dev)
pci_read_config_word(dev, PCI_COMMAND, &cmd);
if (!(cmd & PCI_COMMAND_INVALIDATE)) {
dev_dbg(&dev->dev, "enabling Mem-Wr-Inval\n");
pci_dbg(dev, "enabling Mem-Wr-Inval\n");
cmd |= PCI_COMMAND_INVALIDATE;
pci_write_config_word(dev, PCI_COMMAND, cmd);
}
@@ -3947,13 +3943,13 @@ static void pci_flr_wait(struct pci_dev *dev)
pci_read_config_dword(dev, PCI_COMMAND, &id);
while (id == ~0) {
if (delay > timeout) {
dev_warn(&dev->dev, "not ready %dms after FLR; giving up\n",
pci_warn(dev, "not ready %dms after FLR; giving up\n",
100 + delay - 1);
return;
}
if (delay > 1000)
dev_info(&dev->dev, "not ready %dms after FLR; waiting\n",
pci_info(dev, "not ready %dms after FLR; waiting\n",
100 + delay - 1);
msleep(delay);
@@ -3962,7 +3958,7 @@ static void pci_flr_wait(struct pci_dev *dev)
}
if (delay > 1000)
dev_info(&dev->dev, "ready %dms after FLR\n", 100 + delay - 1);
pci_info(dev, "ready %dms after FLR\n", 100 + delay - 1);
}
/**
@@ -3994,7 +3990,7 @@ static bool pcie_has_flr(struct pci_dev *dev)
void pcie_flr(struct pci_dev *dev)
{
if (!pci_wait_for_pending_transaction(dev))
dev_err(&dev->dev, "timed out waiting for pending transaction; performing function level reset anyway\n");
pci_err(dev, "timed out waiting for pending transaction; performing function level reset anyway\n");
pcie_capability_set_word(dev, PCI_EXP_DEVCTL, PCI_EXP_DEVCTL_BCR_FLR);
pci_flr_wait(dev);
@@ -4027,7 +4023,7 @@ static int pci_af_flr(struct pci_dev *dev, int probe)
*/
if (!pci_wait_for_pending(dev, pos + PCI_AF_CTRL,
PCI_AF_STATUS_TP << 8))
dev_err(&dev->dev, "timed out waiting for pending transaction; performing AF function level reset anyway\n");
pci_err(dev, "timed out waiting for pending transaction; performing AF function level reset anyway\n");
pci_write_config_byte(dev, pos + PCI_AF_CTRL, PCI_AF_CTRL_FLR);
pci_flr_wait(dev);
@@ -5150,12 +5146,12 @@ void pci_add_dma_alias(struct pci_dev *dev, u8 devfn)
dev->dma_alias_mask = kcalloc(BITS_TO_LONGS(U8_MAX),
sizeof(long), GFP_KERNEL);
if (!dev->dma_alias_mask) {
dev_warn(&dev->dev, "Unable to allocate DMA alias mask\n");
pci_warn(dev, "Unable to allocate DMA alias mask\n");
return;
}
set_bit(devfn, dev->dma_alias_mask);
dev_info(&dev->dev, "Enabling fixed DMA alias to %02x.%d\n",
pci_info(dev, "Enabling fixed DMA alias to %02x.%d\n",
PCI_SLOT(devfn), PCI_FUNC(devfn));
}
@@ -5304,7 +5300,7 @@ static void pci_request_resource_alignment(struct pci_dev *dev, int bar,
return;
if (r->flags & IORESOURCE_PCI_FIXED) {
dev_info(&dev->dev, "BAR%d %pR: ignoring requested alignment %#llx\n",
pci_info(dev, "BAR%d %pR: ignoring requested alignment %#llx\n",
bar, r, (unsigned long long)align);
return;
}
@@ -5341,7 +5337,7 @@ static void pci_request_resource_alignment(struct pci_dev *dev, int bar,
* devices and we use the second.
*/
dev_info(&dev->dev, "BAR%d %pR: requesting alignment to %#llx\n",
pci_info(dev, "BAR%d %pR: requesting alignment to %#llx\n",
bar, r, (unsigned long long)align);
if (resize) {
@@ -5387,13 +5383,11 @@ void pci_reassigndev_resource_alignment(struct pci_dev *dev)
if (dev->hdr_type == PCI_HEADER_TYPE_NORMAL &&
(dev->class >> 8) == PCI_CLASS_BRIDGE_HOST) {
dev_warn(&dev->dev,
"Can't reassign resources to host bridge.\n");
pci_warn(dev, "Can't reassign resources to host bridge\n");
return;
}
dev_info(&dev->dev,
"Disabling memory decoding and releasing memory resources.\n");
pci_info(dev, "Disabling memory decoding and releasing memory resources\n");
pci_read_config_word(dev, PCI_COMMAND, &command);
command &= ~PCI_COMMAND_MEMORY;
pci_write_config_word(dev, PCI_COMMAND, command);