[PATCH -next 03/13] hwrng: exynos - use devm_platform_ioremap_resource() to simplify code

YueHaibing yuehaibing at huawei.com
Wed Oct 16 21:46:11 AEDT 2019


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

Signed-off-by: YueHaibing <yuehaibing at huawei.com>
---
 drivers/char/hw_random/exynos-trng.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/char/hw_random/exynos-trng.c b/drivers/char/hw_random/exynos-trng.c
index b4b52ab..8e1fe3f 100644
--- a/drivers/char/hw_random/exynos-trng.c
+++ b/drivers/char/hw_random/exynos-trng.c
@@ -109,7 +109,6 @@ static int exynos_trng_init(struct hwrng *rng)
 static int exynos_trng_probe(struct platform_device *pdev)
 {
 	struct exynos_trng_dev *trng;
-	struct resource *res;
 	int ret = -ENOMEM;
 
 	trng = devm_kzalloc(&pdev->dev, sizeof(*trng), GFP_KERNEL);
@@ -128,8 +127,7 @@ static int exynos_trng_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, trng);
 	trng->dev = &pdev->dev;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	trng->mem = devm_ioremap_resource(&pdev->dev, res);
+	trng->mem = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(trng->mem))
 		return PTR_ERR(trng->mem);
 
-- 
2.7.4




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