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 4f514e24c79b1ca13c493674389b819367a16e75..5b7ca0416490a27b78557b9939ebd80e3cd4706b 100644 (file)
--- 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);