dmaengine: zx: Use devm_platform_ioremap_resource() in zx_dma_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 <[email protected]> Acked-by: Shawn Guo <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Vinod Koul <[email protected]>
kawasaki · Oct 14, 2019 · 833b482 · 833b482
1 parent ecb4d34
commit 833b482
Showing 1 changed file with 1 addition and 6 deletions.
diff --git a/drivers/dma/zx_dma.c b/drivers/dma/zx_dma.c
@@ -754,18 +754,13 @@ static struct dma_chan *zx_of_dma_simple_xlate(struct of_phandle_args *dma_spec,
 static int zx_dma_probe(struct platform_device *op)
 {
 	struct zx_dma_dev *d;
-	struct resource *iores;
 	int i, ret = 0;
 
-	iores = platform_get_resource(op, IORESOURCE_MEM, 0);
-	if (!iores)
-		return -EINVAL;
-
 	d = devm_kzalloc(&op->dev, sizeof(*d), GFP_KERNEL);
 	if (!d)
 		return -ENOMEM;
 
-	d->base = devm_ioremap_resource(&op->dev, iores);
+	d->base = devm_platform_ioremap_resource(op, 0);
 	if (IS_ERR(d->base))
 		return PTR_ERR(d->base);