From: YueHaibing <yuehaibing@huawei.com>
Date: Wed, 16 Oct 2019 10:46:09 +0000 (+0800)
Subject: hwrng: atmel - use devm_platform_ioremap_resource() to simplify code
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=bc49534db6949cb71dd602d82481c0a2fdd44b05;p=openwrt%2Fstaging%2Fblogic.git

hwrng: atmel - 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>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/char/hw_random/atmel-rng.c b/drivers/char/hw_random/atmel-rng.c
index e55705745d5e..b3138ec26f85 100644
--- a/drivers/char/hw_random/atmel-rng.c
+++ b/drivers/char/hw_random/atmel-rng.c
@@ -62,15 +62,13 @@ static void atmel_trng_disable(struct atmel_trng *trng)
 static int atmel_trng_probe(struct platform_device *pdev)
 {
 	struct atmel_trng *trng;
-	struct resource *res;
 	int ret;
 
 	trng = devm_kzalloc(&pdev->dev, sizeof(*trng), GFP_KERNEL);
 	if (!trng)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	trng->base = devm_ioremap_resource(&pdev->dev, res);
+	trng->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(trng->base))
 		return PTR_ERR(trng->base);