From: Cai Huoqing <caihuoqing@baidu.com>
Date: Tue, 7 Sep 2021 07:40:41 +0000 (+0800)
Subject: hwrng: ixp4xx - Make use of the helper function devm_platform_ioremap_resource()
X-Git-Tag: v6.1-rc5~2643^2~43
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=29601c8159c8089782fb5da25acadd3c146f2944;p=platform%2Fkernel%2Flinux-starfive.git

hwrng: ixp4xx - Make use of the helper function devm_platform_ioremap_resource()

Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately

Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/char/hw_random/ixp4xx-rng.c b/drivers/char/hw_random/ixp4xx-rng.c
index 188854d..7df5e9f 100644
--- a/drivers/char/hw_random/ixp4xx-rng.c
+++ b/drivers/char/hw_random/ixp4xx-rng.c
@@ -42,13 +42,11 @@ static int ixp4xx_rng_probe(struct platform_device *pdev)
 {
 	void __iomem * rng_base;
 	struct device *dev = &pdev->dev;
-	struct resource *res;
 
 	if (!cpu_is_ixp46x()) /* includes IXP455 */
 		return -ENOSYS;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	rng_base = devm_ioremap_resource(dev, res);
+	rng_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(rng_base))
 		return PTR_ERR(rng_base);