diff options
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 ea15b053745..e798c4736a6 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; } |