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| author | Rafael J. Wysocki <rjw@sisk.pl> | 2009-03-16 22:40:18 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rjw@sisk.pl> | 2009-03-30 21:46:55 +0200 |
| commit | 0128a89cf75124500b5b69f0c3c7b7c5aa60676f (patch) | |
| tree | 96cdc2c1dc62f2a543b11f481811efce59b1f0f7 /drivers/pci/pci-driver.c | |
| parent | PCI PM: Use pci_set_power_state during early resume (diff) | |
| download | linux-0128a89cf75124500b5b69f0c3c7b7c5aa60676f.tar.xz linux-0128a89cf75124500b5b69f0c3c7b7c5aa60676f.zip | |
PCI PM: Move pci_restore_standard_config to pci-driver.c
Move pci_restore_standard_config() from pci.c to pci-driver.c and
make it static.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/pci-driver.c')
| -rw-r--r-- | drivers/pci/pci-driver.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index a5f11ad975b2..8395206d1aee 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -423,6 +423,23 @@ static int pci_legacy_resume(struct device *dev) /* Auxiliary functions used by the new power management framework */ +/** + * pci_restore_standard_config - restore standard config registers of PCI device + * @pci_dev: PCI device to handle + */ +static int pci_restore_standard_config(struct pci_dev *pci_dev) +{ + pci_update_current_state(pci_dev, PCI_UNKNOWN); + + if (pci_dev->current_state != PCI_D0) { + int error = pci_set_power_state(pci_dev, PCI_D0); + if (error) + return error; + } + + return pci_dev->state_saved ? pci_restore_state(pci_dev) : 0; +} + static void pci_pm_default_resume_noirq(struct pci_dev *pci_dev) { pci_restore_standard_config(pci_dev); |