diff options
| -rw-r--r-- | drivers/pci/pci-acpi.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index 577074efbe62..f7ebdba14bde 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -330,29 +330,32 @@ static int acpi_pci_find_device(struct device *dev, acpi_handle *handle) static void pci_acpi_setup(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - acpi_handle handle = ACPI_HANDLE(dev); - struct acpi_device *adev; + struct acpi_device *adev = ACPI_COMPANION(dev); - if (acpi_bus_get_device(handle, &adev) || !adev->wakeup.flags.valid) + if (!adev) + return; + + pci_acpi_add_pm_notifier(adev, pci_dev); + if (!adev->wakeup.flags.valid) return; device_set_wakeup_capable(dev, true); acpi_pci_sleep_wake(pci_dev, false); - - pci_acpi_add_pm_notifier(adev, pci_dev); if (adev->wakeup.flags.run_wake) device_set_run_wake(dev, true); } static void pci_acpi_cleanup(struct device *dev) { - acpi_handle handle = ACPI_HANDLE(dev); - struct acpi_device *adev; + struct acpi_device *adev = ACPI_COMPANION(dev); + + if (!adev) + return; - if (!acpi_bus_get_device(handle, &adev) && adev->wakeup.flags.valid) { + pci_acpi_remove_pm_notifier(adev); + if (adev->wakeup.flags.valid) { device_set_wakeup_capable(dev, false); device_set_run_wake(dev, false); - pci_acpi_remove_pm_notifier(adev); } } |