hwrng: ks-sa - use devm_platform_ioremap_resource() to simplify code

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

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/char/hw_random/ks-sa-rng.c b/drivers/char/hw_random/ks-sa-rng.c
index d40bdb829861b0129d87e3d25e0361010123a40c..3dbd6b7a65f05920ec7a9eca5c45821f8aa17ad6 100644 (file)
--- a/drivers/char/hw_random/ks-sa-rng.c
+++ b/drivers/char/hw_random/ks-sa-rng.c
@@ -174,7 +174,6 @@ static int ks_sa_rng_probe(struct platform_device *pdev)
        struct ks_sa_rng        *ks_sa_rng;
        struct device           *dev = &pdev->dev;
        int                     ret;
-       struct resource         *mem;
 
        ks_sa_rng = devm_kzalloc(dev, sizeof(*ks_sa_rng), GFP_KERNEL);
        if (!ks_sa_rng)
@@ -190,8 +189,7 @@ static int ks_sa_rng_probe(struct platform_device *pdev)
        };
        ks_sa_rng->rng.priv = (unsigned long)dev;
 
-       mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       ks_sa_rng->reg_rng = devm_ioremap_resource(dev, mem);
+       ks_sa_rng->reg_rng = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(ks_sa_rng->reg_rng))
                return PTR_ERR(ks_sa_rng->reg_rng);