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

Simplify this function implementation a bit 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/c7e3bbae-44fa-9019-18ee-c6cdfd7c2a14@web.de
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/mediatek/mtk-cqdma.c b/drivers/dma/mediatek/mtk-cqdma.c
index 723b11c..6bf838e 100644 (file)
--- a/drivers/dma/mediatek/mtk-cqdma.c
+++ b/drivers/dma/mediatek/mtk-cqdma.c
@@ -819,15 +819,7 @@ static int mtk_cqdma_probe(struct platform_device *pdev)
                INIT_LIST_HEAD(&cqdma->pc[i]->queue);
                spin_lock_init(&cqdma->pc[i]->lock);
                refcount_set(&cqdma->pc[i]->refcnt, 0);
-
-               res = platform_get_resource(pdev, IORESOURCE_MEM, i);
-               if (!res) {
-                       dev_err(&pdev->dev, "No mem resource for %s\n",
-                               dev_name(&pdev->dev));
-                       return -EINVAL;
-               }
-
-               cqdma->pc[i]->base = devm_ioremap_resource(&pdev->dev, res);
+               cqdma->pc[i]->base = devm_platform_ioremap_resource(pdev, i);
                if (IS_ERR(cqdma->pc[i]->base))
                        return PTR_ERR(cqdma->pc[i]->base);