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PCI/PM: Use pci_WARN() to include device information

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Add and use pci_WARN() wrappers so warnings include device information.

Link: https://lore.kernel.org/r/20191017212851.54237-3-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Bjorn Helgaas 2019-10-07 07:52:28 -05:00
parent 6941a0c2bd
commit 12bcae44bf
2 changed files with 25 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

34
drivers/pci/pci-driver.c
View file

@ -585,9 +585,9 @@ static int pci_legacy_suspend(struct device *dev, pm_message_t state)
if (!pci_dev->state_saved && pci_dev->current_state != PCI_D0
&& pci_dev->current_state != PCI_UNKNOWN) {
WARN_ONCE(pci_dev->current_state != prev,
"PCI PM: Device state not saved by %pS\n",
drv->suspend);
pci_WARN_ONCE(pci_dev, pci_dev->current_state != prev,
"PCI PM: Device state not saved by %pS\n",
drv->suspend);
}
}
@ -612,9 +612,9 @@ static int pci_legacy_suspend_late(struct device *dev, pm_message_t state)
if (!pci_dev->state_saved && pci_dev->current_state != PCI_D0
&& pci_dev->current_state != PCI_UNKNOWN) {
WARN_ONCE(pci_dev->current_state != prev,
"PCI PM: Device state not saved by %pS\n",
drv->suspend_late);
pci_WARN_ONCE(pci_dev, pci_dev->current_state != prev,
"PCI PM: Device state not saved by %pS\n",
drv->suspend_late);
goto Fixup;
}
}
@ -670,8 +670,8 @@ static bool pci_has_legacy_pm_support(struct pci_dev *pci_dev)
* supported as well. Drivers are supposed to support either the
* former, or the latter, but not both at the same time.
*/
WARN(ret && drv->driver.pm, "driver %s device %04x:%04x\n",
drv->name, pci_dev->vendor, pci_dev->device);
pci_WARN(pci_dev, ret && drv->driver.pm, "device %04x:%04x\n",
pci_dev->vendor, pci_dev->device);
return ret;
}
@ -794,9 +794,9 @@ static int pci_pm_suspend(struct device *dev)
if (!pci_dev->state_saved && pci_dev->current_state != PCI_D0
&& pci_dev->current_state != PCI_UNKNOWN) {
WARN_ONCE(pci_dev->current_state != prev,
"PCI PM: State of device not saved by %pS\n",
pm->suspend);
pci_WARN_ONCE(pci_dev, pci_dev->current_state != prev,
"PCI PM: State of device not saved by %pS\n",
pm->suspend);
}
}
@ -842,9 +842,9 @@ static int pci_pm_suspend_noirq(struct device *dev)
if (!pci_dev->state_saved && pci_dev->current_state != PCI_D0
&& pci_dev->current_state != PCI_UNKNOWN) {
WARN_ONCE(pci_dev->current_state != prev,
"PCI PM: State of device not saved by %pS\n",
pm->suspend_noirq);
pci_WARN_ONCE(pci_dev, pci_dev->current_state != prev,
"PCI PM: State of device not saved by %pS\n",
pm->suspend_noirq);
goto Fixup;
}
}
@ -1311,9 +1311,9 @@ static int pci_pm_runtime_suspend(struct device *dev)
if (pm && pm->runtime_suspend
&& !pci_dev->state_saved && pci_dev->current_state != PCI_D0
&& pci_dev->current_state != PCI_UNKNOWN) {
WARN_ONCE(pci_dev->current_state != prev,
"PCI PM: State of device not saved by %pS\n",
pm->runtime_suspend);
pci_WARN_ONCE(pci_dev, pci_dev->current_state != prev,
"PCI PM: State of device not saved by %pS\n",
pm->runtime_suspend);
return 0;
}

8
include/linux/pci.h
View file

@ -2400,4 +2400,12 @@ void pci_uevent_ers(struct pci_dev *pdev, enum pci_ers_result err_type);
#define pci_info_ratelimited(pdev, fmt, arg...) \
dev_info_ratelimited(&(pdev)->dev, fmt, ##arg)
#define pci_WARN(pdev, condition, fmt, arg...) \
WARN(condition, "%s %s: " fmt, \
dev_driver_string(&(pdev)->dev), pci_name(pdev), ##arg)
#define pci_WARN_ONCE(pdev, condition, fmt, arg...) \
WARN_ONCE(condition, "%s %s: " fmt, \
dev_driver_string(&(pdev)->dev), pci_name(pdev), ##arg)
#endif /* LINUX_PCI_H */