hwrng: ba431 - 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>
diff --git a/drivers/char/hw_random/ba431-rng.c b/drivers/char/hw_random/ba431-rng.c
index 4f514e2..5b7ca04 100644
--- a/drivers/char/hw_random/ba431-rng.c
+++ b/drivers/char/hw_random/ba431-rng.c
@@ -170,7 +170,6 @@ static int ba431_trng_init(struct hwrng *rng)
static int ba431_trng_probe(struct platform_device *pdev)
{
struct ba431_trng *ba431;
- struct resource *res;
int ret;
ba431 = devm_kzalloc(&pdev->dev, sizeof(*ba431), GFP_KERNEL);
@@ -179,8 +178,7 @@ static int ba431_trng_probe(struct platform_device *pdev)
ba431->dev = &pdev->dev;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- ba431->base = devm_ioremap_resource(&pdev->dev, res);
+ ba431->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(ba431->base))
return PTR_ERR(ba431->base);