drm: bridge: simple-bridge: Use dev_err_probe()

Replace the open-code with dev_err_probe() to simplify the code.
Signed-off-by: Ye Xingchen <ye.xingchen@zte.com.cn>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/202303221622511915615@zte.com.cn

drivers/gpu/drm/bridge/simple-bridge.c

@@ -202,11 +202,9 @@ static int simple_bridge_probe(struct platform_device *pdev)
 
 	sbridge->enable = devm_gpiod_get_optional(&pdev->dev, "enable",
 						  GPIOD_OUT_LOW);
-	if (IS_ERR(sbridge->enable)) {
-		if (PTR_ERR(sbridge->enable) != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "Unable to retrieve enable GPIO\n");
-		return PTR_ERR(sbridge->enable);
-	}
+	if (IS_ERR(sbridge->enable))
+		return dev_err_probe(&pdev->dev, PTR_ERR(sbridge->enable),
+				     "Unable to retrieve enable GPIO\n");
 
 	/* Register the bridge. */
 	sbridge->bridge.funcs = &simple_bridge_bridge_funcs;