From mboxrd@z Thu Jan 1 00:00:00 1970 From: Markus Elfring Subject: [PATCH] dmaengine: mediatek: Use devm_platform_ioremap_resource() in mtk_uart_apdma_probe() Date: Sun, 22 Sep 2019 13:14:11 +0200 Message-ID: <366e776c-8760-eeb7-c248-7380c9f4fd34@web.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: dmaengine@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Dan Williams , Long Cheng , Matthias Brugger , Sean Wang , Vinod Koul Cc: kernel-janitors@vger.kernel.org, LKML List-Id: linux-mediatek@lists.infradead.org From: Markus Elfring Date: Sun, 22 Sep 2019 13:07:41 +0200 Simplify this function implementation by using a known wrapper function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- drivers/dma/mediatek/mtk-uart-apdma.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/drivers/dma/mediatek/mtk-uart-apdma.c b/drivers/dma/mediatek/mtk-uart-apdma.c index f40051d6aecb..c20e6bd4e298 100644 --- a/drivers/dma/mediatek/mtk-uart-apdma.c +++ b/drivers/dma/mediatek/mtk-uart-apdma.c @@ -475,7 +475,6 @@ static int mtk_uart_apdma_probe(struct platform_device *pdev) struct device_node *np = pdev->dev.of_node; struct mtk_uart_apdmadev *mtkd; int bit_mask = 32, rc; - struct resource *res; struct mtk_chan *c; unsigned int i; @@ -532,13 +531,7 @@ static int mtk_uart_apdma_probe(struct platform_device *pdev) goto err_no_dma; } - res = platform_get_resource(pdev, IORESOURCE_MEM, i); - if (!res) { - rc = -ENODEV; - goto err_no_dma; - } - - c->base = devm_ioremap_resource(&pdev->dev, res); + c->base = devm_platform_ioremap_resource(pdev, i); if (IS_ERR(c->base)) { rc = PTR_ERR(c->base); goto err_no_dma; -- 2.23.0