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hwrng: exynos - use devm_platform_ioremap_resource() to simplify code

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Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Łukasz Stelmach <l.stelmach@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
YueHaibing 2019-10-16 18:46:11 +08:00 committed by Herbert Xu
parent 3e46bd3497
commit 3e3c97c67e
1 changed files with 1 additions and 3 deletions
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4
drivers/char/hw_random/exynos-trng.c
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@ -109,7 +109,6 @@ static int exynos_trng_init(struct hwrng *rng)
static int exynos_trng_probe(struct platform_device *pdev) static int exynos_trng_probe(struct platform_device *pdev)
{ {
struct exynos_trng_dev *trng; struct exynos_trng_dev *trng;
struct resource *res;
int ret = -ENOMEM; int ret = -ENOMEM;
trng = devm_kzalloc(&pdev->dev, sizeof(*trng), GFP_KERNEL); trng = devm_kzalloc(&pdev->dev, sizeof(*trng), GFP_KERNEL);
@ -128,8 +127,7 @@ static int exynos_trng_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, trng); platform_set_drvdata(pdev, trng);
trng->dev = &pdev->dev; trng->dev = &pdev->dev;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0); trng->mem = devm_platform_ioremap_resource(pdev, 0);
trng->mem = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(trng->mem)) if (IS_ERR(trng->mem))
return PTR_ERR(trng->mem); return PTR_ERR(trng->mem);