[PATCH] dmaengine: mediatek: Use devm_platform_ioremap_resource() in mtk_cqdma_probe()
From: Markus Elfring <hidden>
Date: 2019-09-22 11:00:44
Also in:
dmaengine, kernel-janitors, linux-mediatek, lkml
Subsystem:
dma generic offload engine subsystem, mediatek dma driver, the rest · Maintainers:
Vinod Koul, Sean Wang, Linus Torvalds
From: Markus Elfring <redacted> Date: Sun, 22 Sep 2019 12:52:25 +0200 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 <redacted> --- drivers/dma/mediatek/mtk-cqdma.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-)
diff --git a/drivers/dma/mediatek/mtk-cqdma.c b/drivers/dma/mediatek/mtk-cqdma.c
index 723b11c190b3..6bf838e63be1 100644
--- 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); --
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