[PATCH] ide: fix PM with ide-default driver

From Benjamin Herrenschmidt <benh@kernel.crashing.org>

drivers/ide/ide.c

@@ -2406,6 +2406,13 @@ static ide_startstop_t default_abort (ide_drive_t *drive, const char *msg)
 	return ide_abort(drive, msg);
 }
 
+static ide_startstop_t default_start_power_step(ide_drive_t *drive,
+						struct request *rq)
+{
+	rq->pm->pm_step = ide_pm_state_completed;
+	return ide_stopped;
+}
+
 static void setup_driver_defaults (ide_driver_t *d)
 {
 	if (d->cleanup == NULL)		d->cleanup = default_cleanup;
@@ -2420,6 +2427,8 @@ static void setup_driver_defaults (ide_driver_t *d)
 	if (d->capacity == NULL)	d->capacity = default_capacity;
 	if (d->special == NULL)		d->special = default_special;
 	if (d->attach == NULL)		d->attach = default_attach;
+	if (d->start_power_step == NULL)
+		d->start_power_step = default_start_power_step;
 }
 
 int ide_register_subdriver (ide_drive_t *drive, ide_driver_t *driver, int version)