[PATCH -next 07/13] hwrng: npcm - use devm_platform_ioremap_resource() to simplify code

YueHaibing yuehaibing at huawei.com
Wed Oct 16 21:46:15 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/npcm-rng.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/char/hw_random/npcm-rng.c b/drivers/char/hw_random/npcm-rng.c
index b7c8c7e..01d0440 100644
--- a/drivers/char/hw_random/npcm-rng.c
+++ b/drivers/char/hw_random/npcm-rng.c
@@ -87,15 +87,13 @@ static int npcm_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait)
 static int npcm_rng_probe(struct platform_device *pdev)
 {
 	struct npcm_rng *priv;
-	struct resource *res;
 	int ret;
 
 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	priv->base = devm_ioremap_resource(&pdev->dev, res);
+	priv->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(priv->base))
 		return PTR_ERR(priv->base);
 
-- 
2.7.4




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