[ARM] Fix device suspend/resume calls.

These calls no longer take "level" arguments, so there's no need to
call them multiple times.

arch/arm/kernel/pm.c

@@ -36,23 +36,7 @@ int suspend(void)
 	if (ret != 0)
 		goto out;
 
-	/*
-	 * Tell LDM devices we're going to suspend.
-	 */
-	ret = device_suspend(4, SUSPEND_NOTIFY);
-	if (ret != 0)
-		goto resume_legacy;
-
-	/*
-	 * Disable, devices, and save state.
-	 */
-	device_suspend(4, SUSPEND_DISABLE);
-	device_suspend(4, SUSPEND_SAVE_STATE);
-
-	/*
-	 * Tell devices that they're going to be powered off.
-	 */
-	device_suspend(4, SUSPEND_POWER_DOWN);
+	device_suspend(3);
 
 	local_irq_disable();
 	leds_event(led_stop);
@@ -62,21 +46,8 @@ int suspend(void)
 	leds_event(led_start);
 	local_irq_enable();
 
-	/*
-	 * Tell devices that they now have power.
-	 */
-	device_resume(RESUME_POWER_ON);
-
-	/*
-	 * Resume LDM devices.
-	 */
-	device_resume(RESUME_RESTORE_STATE);
-	device_resume(RESUME_ENABLE);
+	device_resume();
 
- resume_legacy:
-	/*
-	 * Resume "legacy" devices.
-	 */
 	pm_send_all(PM_RESUME, (void *)0);
 
  out: