diff mbox series

hwrng: mediatek: Use devm_platform_ioremap_resource() in mtk_rng_probe()

Message ID e6e03822-c68f-55ea-3a65-ee2a44f50e8c@web.de (mailing list archive)
State Accepted
Delegated to: Herbert Xu
Headers show
Series hwrng: mediatek: Use devm_platform_ioremap_resource() in mtk_rng_probe() | expand

Commit Message

Markus Elfring Sept. 18, 2019, 7:44 a.m. UTC
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Wed, 18 Sep 2019 09:34:11 +0200

Simplify this function implementation by using a known wrapper function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/char/hw_random/mtk-rng.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

--
2.23.0

Comments

Herbert Xu Oct. 4, 2019, 3:42 p.m. UTC | #1
On Wed, Sep 18, 2019 at 09:44:06AM +0200, Markus Elfring wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Wed, 18 Sep 2019 09:34:11 +0200
> 
> Simplify this function implementation by using a known wrapper function.
> 
> This issue was detected by using the Coccinelle software.
> 
> Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
> ---
>  drivers/char/hw_random/mtk-rng.c | 9 +--------
>  1 file changed, 1 insertion(+), 8 deletions(-)

Patch applied.  Thanks.
diff mbox series

Patch

diff --git a/drivers/char/hw_random/mtk-rng.c b/drivers/char/hw_random/mtk-rng.c
index e649be5a5f13..8ad7b515a51b 100644
--- a/drivers/char/hw_random/mtk-rng.c
+++ b/drivers/char/hw_random/mtk-rng.c
@@ -105,16 +105,9 @@  static int mtk_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait)

 static int mtk_rng_probe(struct platform_device *pdev)
 {
-	struct resource *res;
 	int ret;
 	struct mtk_rng *priv;

-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(&pdev->dev, "no iomem resource\n");
-		return -ENXIO;
-	}
-
 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
@@ -135,7 +128,7 @@  static int mtk_rng_probe(struct platform_device *pdev)
 		return ret;
 	}

-	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);