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hwrng: ixp4xx - Make use of the helper function devm_platform_ioremap_resource() 

Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately

Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Cai Huoqing 2021-09-07 15:40:41 +08:00 committed by Herbert Xu
parent 40da865381
commit 29601c8159
1 changed files with 1 additions and 3 deletions
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4
drivers/char/hw_random/ixp4xx-rng.c
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@ -42,13 +42,11 @@ static int ixp4xx_rng_probe(struct platform_device *pdev)
{
void __iomem * rng_base;
struct device *dev = &pdev->dev;
struct resource *res;
if (!cpu_is_ixp46x()) /* includes IXP455 */
return -ENOSYS;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
rng_base = devm_ioremap_resource(dev, res);
rng_base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(rng_base))
return PTR_ERR(rng_base);