hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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>
This commit is contained in:
Markus Elfring 2019-09-22 10:37:31 +02:00 committed by Vinod Koul
parent fcf8adb787
commit fbd1d637f6
1 changed files with 1 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/dma/at_xdmac.c
View File

@ -1957,21 +1957,16 @@ static int atmel_xdmac_resume(struct device *dev)
static int at_xdmac_probe(struct platform_device *pdev) static int at_xdmac_probe(struct platform_device *pdev)
{ {
struct resource *res;
struct at_xdmac *atxdmac; struct at_xdmac *atxdmac;
int irq, size, nr_channels, i, ret; int irq, size, nr_channels, i, ret;
void __iomem *base; void __iomem *base;
u32 reg; u32 reg;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res)
return -EINVAL;
irq = platform_get_irq(pdev, 0); irq = platform_get_irq(pdev, 0);
if (irq < 0) if (irq < 0)
return irq; return irq;
base = devm_ioremap_resource(&pdev->dev, res); base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(base)) if (IS_ERR(base))
return PTR_ERR(base); return PTR_ERR(base);