[-next,13/13] hwrng: xgene - use devm_platform_ioremap_resource() to simplify code

Commit Message

Yue Haibing Oct. 16, 2019, 10:46 a.m. UTC

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

Signed-off-by: YueHaibing <[e-mail]>
---
 drivers/char/hw_random/xgene-rng.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Patch

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);