linux-kernel - [PATCH -next] dmaengine: mediatek: simplify the return expression of mtk_uart_apdma_runtime

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Date:   Tue, 15 Sep 2020 11:26:22 +0800
From:   Liu Shixin <liushixin2@...wei.com>
To:     Sean Wang <sean.wang@...iatek.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Vinod Koul <vkoul@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>
CC:     <dmaengine@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        "Liu Shixin" <liushixin2@...wei.com>
Subject: [PATCH -next] dmaengine: mediatek: simplify the return expression of mtk_uart_apdma_runtime_resume()

Simplify the return expression.

Signed-off-by: Liu Shixin <liushixin2@...wei.com>
---
 drivers/dma/mediatek/mtk-uart-apdma.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/dma/mediatek/mtk-uart-apdma.c b/drivers/dma/mediatek/mtk-uart-apdma.c
index 29f1223b285a..27c07350971d 100644
--- a/drivers/dma/mediatek/mtk-uart-apdma.c
+++ b/drivers/dma/mediatek/mtk-uart-apdma.c
@@ -624,14 +624,9 @@ static int mtk_uart_apdma_runtime_suspend(struct device *dev)
 
 static int mtk_uart_apdma_runtime_resume(struct device *dev)
 {
-	int ret;
 	struct mtk_uart_apdmadev *mtkd = dev_get_drvdata(dev);
 
-	ret = clk_prepare_enable(mtkd->clk);
-	if (ret)
-		return ret;
-
-	return 0;
+	return clk_prepare_enable(mtkd->clk);
 }
 #endif /* CONFIG_PM */
 
-- 
2.25.1