hwrng: xiphera-trng - use devm_platform_ioremap_resource() to simplify

Use devm_platform_ioremap_resource() to simplify the code.

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Tian Tao 2021-02-09 16:03:37 +08:00 committed by Herbert Xu
parent 6131e97077
commit 8fb7bd312f

View file

@ -63,14 +63,12 @@ static int xiphera_trng_probe(struct platform_device *pdev)
int ret;
struct xiphera_trng *trng;
struct device *dev = &pdev->dev;
struct resource *res;
trng = devm_kzalloc(dev, sizeof(*trng), GFP_KERNEL);
if (!trng)
return -ENOMEM;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
trng->mem = devm_ioremap_resource(dev, res);
trng->mem = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(trng->mem))
return PTR_ERR(trng->mem);