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-rw-r--r--drivers/pci/pci-acpi.c21
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);
}
}