hwrng: meson - 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>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/char/hw_random/meson-rng.c b/drivers/char/hw_random/meson-rng.c
index 76e693d..e446236 100644 (file)
--- a/drivers/char/hw_random/meson-rng.c
+++ b/drivers/char/hw_random/meson-rng.c
@@ -42,7 +42,6 @@ static int meson_rng_probe(struct platform_device *pdev)
 {
        struct device *dev = &pdev->dev;
        struct meson_rng_data *data;
-       struct resource *res;
        int ret;
 
        data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
@@ -51,8 +50,7 @@ static int meson_rng_probe(struct platform_device *pdev)
 
        data->pdev = pdev;
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       data->base = devm_ioremap_resource(dev, res);
+       data->base = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(data->base))
                return PTR_ERR(data->base);