gpio-fsm: Fix shutdown timeout handling

raspberrypi inclusion
category: feature
bugzilla: 50432

--------------------------------

The driver is intended to jump directly to a shutdown state in the
event of a timeout during shutdown, but the sense of the test was
inverted.
Signed-off-by: NPhil Elwell <phil@raspberrypi.com>
Signed-off-by: NFang Yafen <yafen@iscas.ac.cn>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

drivers/gpio/gpio-fsm.c

@@ -1142,7 +1142,8 @@ static int gpio_fsm_remove(struct platform_device *pdev)
 				   gf->current_state->shutdown_target ==
 				   gf->current_state,
 				   msecs_to_jiffies(gf->shutdown_timeout_ms));
-		if (gf->current_state->shutdown_target == gf->current_state)
+		/* On failure to reach a shutdown state, jump to one */
+		if (gf->current_state->shutdown_target != gf->current_state)
 			gpio_fsm_enter_state(gf, gf->shutdown_state);
 	}
 	cancel_work_sync(&gf->work);