dmaengine: mediatek: Use devm_platform_ioremap_resource() in mtk_uart_apdma_probe()

Simplify this function implementation by using a known wrapper function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Link: https://lore.kernel.org/r/366e776c-8760-eeb7-c248-7380c9f4fd34@web.de
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/mediatek/mtk-uart-apdma.c b/drivers/dma/mediatek/mtk-uart-apdma.c
index f40051d..c20e6bd 100644 (file)
--- 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;