Merge tag 'execve-v5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees...

[linux-2.6-microblaze.git] / drivers / acpi / device_pm.c

diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index 130b5f4..9dce124 100644 (file)
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -369,6 +369,28 @@ int acpi_device_fix_up_power(struct acpi_device *device)
 }
 EXPORT_SYMBOL_GPL(acpi_device_fix_up_power);
 
+static int fix_up_power_if_applicable(struct acpi_device *adev, void *not_used)
+{
+       if (adev->status.present && adev->status.enabled)
+               acpi_device_fix_up_power(adev);
+
+       return 0;
+}
+
+/**
+ * acpi_device_fix_up_power_extended - Force device and its children into D0.
+ * @adev: Parent device object whose power state is to be fixed up.
+ *
+ * Call acpi_device_fix_up_power() for @adev and its children so long as they
+ * are reported as present and enabled.
+ */
+void acpi_device_fix_up_power_extended(struct acpi_device *adev)
+{
+       acpi_device_fix_up_power(adev);
+       acpi_dev_for_each_child(adev, fix_up_power_if_applicable, NULL);
+}
+EXPORT_SYMBOL_GPL(acpi_device_fix_up_power_extended);
+
 int acpi_device_update_power(struct acpi_device *device, int *state_p)
 {
        int state;