PCI PM: Fix saving of device state in pci_legacy_suspend

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Make pci_legacy_suspend() save the state of the device if it is
in PCI_UNKNOWN after its suspend callback has run and warn only if
the power state of the device has been changed by its suspend
callback.

Also, use WARN_ONCE(), which is more useful, in pci_legacy_suspend(),
so that the name of the offending function is printed.

Additionally, remove the unnecessary line of code setting
pci_dev->state_saved.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Reported-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

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Rafael J. Wysocki 2009-02-04 01:59:09 +01:00 • committed by Jesse Barnes

parent 144a76bc88

commit 99dadce875

1 changed files with 8 additions and 2 deletions

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drivers/pci/pci-driver.c

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