From: YueHaibing <yuehaibing@huawei.com>
Date: Wed, 16 Oct 2019 10:46:19 +0000 (+0800)
Subject: hwrng: st - use devm_platform_ioremap_resource() to simplify code
X-Git-Tag: v5.5-rc1~175^2~164
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=bd74b0f5ef80c0b826aa1e6eee40dd27d05c4f34;p=thirdparty%2Flinux.git

hwrng: st - 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>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/char/hw_random/st-rng.c b/drivers/char/hw_random/st-rng.c
index 863448360a7da..783c24e3f8b7f 100644
--- a/drivers/char/hw_random/st-rng.c
+++ b/drivers/char/hw_random/st-rng.c
@@ -72,7 +72,6 @@ static int st_rng_read(struct hwrng *rng, void *data, size_t max, bool wait)
 static int st_rng_probe(struct platform_device *pdev)
 {
 	struct st_rng_data *ddata;
-	struct resource *res;
 	struct clk *clk;
 	void __iomem *base;
 	int ret;
@@ -81,8 +80,7 @@ static int st_rng_probe(struct platform_device *pdev)
 	if (!ddata)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	base = devm_ioremap_resource(&pdev->dev, res);
+	base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(base))
 		return PTR_ERR(base);