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| author | Rafael J. Wysocki <rjw@sisk.pl> | 2009-09-08 23:12:59 +0200 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-09-09 14:19:00 -0700 |
| commit | 5bcc2fb4e8157d829a38093b98e23329ac8acff7 (patch) | |
| tree | 458960ac494d1427ec96cbbfcaa68bd7c0e0b778 /drivers/pci/pci-acpi.c | |
| parent | 748df9a4c65625c386674c9b54dde73de6cc5af5 (diff) | |
| download | linux-5bcc2fb4e8157d829a38093b98e23329ac8acff7.tar.gz linux-5bcc2fb4e8157d829a38093b98e23329ac8acff7.tar.bz2 linux-5bcc2fb4e8157d829a38093b98e23329ac8acff7.zip | |
PCI PM: Simplify PCI wake-up code
Rework the PCI wake-up code so that it's easier to read without
changing the functionality.
Reviewed-by: Matthew Garrett <mjg59@srcf.ucam.org>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/pci-acpi.c')
| -rw-r--r-- | drivers/pci/pci-acpi.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index ea15b0537457..e798c4736a66 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -111,12 +111,16 @@ static bool acpi_pci_can_wakeup(struct pci_dev *dev) static int acpi_pci_sleep_wake(struct pci_dev *dev, bool enable) { - int error = acpi_pm_device_sleep_wake(&dev->dev, enable); + int error; + if (!acpi_pci_can_wakeup(dev)) + return 0; + + error = acpi_pm_device_sleep_wake(&dev->dev, enable); if (!error) - dev_printk(KERN_INFO, &dev->dev, - "wake-up capability %s by ACPI\n", + dev_info(&dev->dev, "wake-up capability %s by ACPI\n", enable ? "enabled" : "disabled"); + return error; } |