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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 <elfring@users.sourceforge.net>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Link: https://lore.kernel.org/r/85de79fa-1ca5-a1e5-0296-9e8a2066f134@web.de
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Markus Elfring 2019-09-22 14:32:12 +02:00 committed by Vinod Koul
parent ecb4d34faf
commit 833b482426
1 changed files with 1 additions and 6 deletions
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7
drivers/dma/zx_dma.c
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@ -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) static int zx_dma_probe(struct platform_device *op)
{ {
struct zx_dma_dev *d; struct zx_dma_dev *d;
struct resource *iores;
int i, ret = 0; 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); d = devm_kzalloc(&op->dev, sizeof(*d), GFP_KERNEL);
if (!d) if (!d)
return -ENOMEM; return -ENOMEM;
d->base = devm_ioremap_resource(&op->dev, iores); d->base = devm_platform_ioremap_resource(op, 0);
if (IS_ERR(d->base)) if (IS_ERR(d->base))
return PTR_ERR(d->base); return PTR_ERR(d->base);