[-next,11/13] hwrng: st - use devm_platform_ioremap_resource() to simplify code
diff mbox series

Message ID 20191016104621.26056-12-yuehaibing@huawei.com
State New
Headers show
Series
  • hwrng: use devm_platform_ioremap_resource() to simplify code
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Commit Message

YueHaibing Oct. 16, 2019, 10:46 a.m. UTC
Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
 drivers/char/hw_random/st-rng.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Comments

Patrice CHOTARD Oct. 16, 2019, 11:29 a.m. UTC | #1
Hi

On 10/16/19 12:46 PM, YueHaibing wrote:
> Use devm_platform_ioremap_resource() to simplify the code a bit.
> This is detected by coccinelle.
>
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
> ---
>  drivers/char/hw_random/st-rng.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/char/hw_random/st-rng.c b/drivers/char/hw_random/st-rng.c
> index 8634483..783c24e 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);
>  

Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

Thanks

Patch
diff mbox series

diff --git a/drivers/char/hw_random/st-rng.c b/drivers/char/hw_random/st-rng.c
index 8634483..783c24e 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);