diff options
| -rw-r--r-- | drivers/acpi/device_pm.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index ad2810900799..67075f800e34 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -596,7 +596,6 @@ static int acpi_dev_pm_get_state(struct device *dev, struct acpi_device *adev, */ int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p, int d_max_in) { - acpi_handle handle = ACPI_HANDLE(dev); struct acpi_device *adev; int ret, d_min, d_max; @@ -611,8 +610,9 @@ int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p, int d_max_in) d_max_in = ACPI_STATE_D3_HOT; } - if (!handle || acpi_bus_get_device(handle, &adev)) { - dev_dbg(dev, "ACPI handle without context in %s!\n", __func__); + adev = ACPI_COMPANION(dev); + if (!adev) { + dev_dbg(dev, "ACPI companion missing in %s!\n", __func__); return -ENODEV; } @@ -700,15 +700,13 @@ static int acpi_device_wakeup(struct acpi_device *adev, u32 target_state, int acpi_pm_device_run_wake(struct device *phys_dev, bool enable) { struct acpi_device *adev; - acpi_handle handle; if (!device_run_wake(phys_dev)) return -EINVAL; - handle = ACPI_HANDLE(phys_dev); - if (!handle || acpi_bus_get_device(handle, &adev)) { - dev_dbg(phys_dev, "ACPI handle without context in %s!\n", - __func__); + adev = ACPI_COMPANION(phys_dev); + if (!adev) { + dev_dbg(phys_dev, "ACPI companion missing in %s!\n", __func__); return -ENODEV; } @@ -725,16 +723,15 @@ EXPORT_SYMBOL(acpi_pm_device_run_wake); */ int acpi_pm_device_sleep_wake(struct device *dev, bool enable) { - acpi_handle handle; struct acpi_device *adev; int error; if (!device_can_wakeup(dev)) return -EINVAL; - handle = ACPI_HANDLE(dev); - if (!handle || acpi_bus_get_device(handle, &adev)) { - dev_dbg(dev, "ACPI handle without context in %s!\n", __func__); + adev = ACPI_COMPANION(dev); + if (!adev) { + dev_dbg(dev, "ACPI companion missing in %s!\n", __func__); return -ENODEV; } |