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authorMarkus Elfring <elfring@users.sourceforge.net>2019-09-22 10:37:31 +0200
committerVinod Koul <vkoul@kernel.org>2019-10-14 13:21:20 +0530
commitfbd1d637f6d1a5b0d2b487299111b06fb0b3c3fd (patch)
treef6e7937a40f974fda36fa1c92e3b1ea382239634 /drivers/dma/at_xdmac.c
parentfcf8adb787073ba6c673c1bb9900a059c7f6676f (diff)
downloadlinux-fbd1d637f6d1a5b0d2b487299111b06fb0b3c3fd.tar.bz2
dmaengine: at_xdmac: Use devm_platform_ioremap_resource() in at_xdmac_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: Ludovic Desroches <ludovic.desroches@microchip.com> Link: https://lore.kernel.org/r/377247f3-b53a-a9d9-66c7-4b8515de3809@web.de Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/at_xdmac.c')
-rw-r--r--drivers/dma/at_xdmac.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index b58ac720d9a1..f71c9f77d405 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -1957,21 +1957,16 @@ static int atmel_xdmac_resume(struct device *dev)
static int at_xdmac_probe(struct platform_device *pdev)
{
- struct resource *res;
struct at_xdmac *atxdmac;
int irq, size, nr_channels, i, ret;
void __iomem *base;
u32 reg;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res)
- return -EINVAL;
-
irq = platform_get_irq(pdev, 0);
if (irq < 0)
return irq;
- base = devm_ioremap_resource(&pdev->dev, res);
+ base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(base))
return PTR_ERR(base);