soc: mediatek: mutex: 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: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/202303241017290414354@zte.com.cn
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

Author: Ye Xingchen

drivers/soc/mediatek/mtk-mutex.c

@@ -1008,11 +1008,8 @@ static int mtk_mutex_probe(struct platform_device *pdev)
 
 	if (!mtx->data->no_clk) {
 		mtx->clk = devm_clk_get(dev, NULL);
-		if (IS_ERR(mtx->clk)) {
-			if (PTR_ERR(mtx->clk) != -EPROBE_DEFER)
-				dev_err(dev, "Failed to get clock\n");
-			return PTR_ERR(mtx->clk);
-		}
+		if (IS_ERR(mtx->clk))
+			return dev_err_probe(dev, PTR_ERR(mtx->clk), "Failed to get clock\n");
 	}
 
 	mtx->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &regs);