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

Signed-off-by: YueHaibing <yuehaib...@huawei.com>
---
 drivers/char/hw_random/xgene-rng.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/char/hw_random/xgene-rng.c 
b/drivers/char/hw_random/xgene-rng.c
index 7e568db..d7516a4 100644
--- a/drivers/char/hw_random/xgene-rng.c
+++ b/drivers/char/hw_random/xgene-rng.c
@@ -313,7 +313,6 @@ static struct hwrng xgene_rng_func = {
 
 static int xgene_rng_probe(struct platform_device *pdev)
 {
-       struct resource *res;
        struct xgene_rng_dev *ctx;
        int rc = 0;
 
@@ -324,8 +323,7 @@ static int xgene_rng_probe(struct platform_device *pdev)
        ctx->dev = &pdev->dev;
        platform_set_drvdata(pdev, ctx);
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       ctx->csr_base = devm_ioremap_resource(&pdev->dev, res);
+       ctx->csr_base = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(ctx->csr_base))
                return PTR_ERR(ctx->csr_base);
 
-- 
2.7.4


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