Re: [PATCH] hwmon: (aspeed-pwm-tacho) Use devm_platform_ioremap_resource() in aspeed_pwm_tacho_probe()

From: Guenter Roeck
Date: Wed Sep 18 2019 - 09:39:17 EST


On Wed, Sep 18, 2019 at 10:20:09AM +0200, Markus Elfring wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Wed, 18 Sep 2019 10:12:31 +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@xxxxxxxxxxxxxxxxxxxxx>

Applied to hwmon-next.

Thanks,
Guenter

> ---
> drivers/hwmon/aspeed-pwm-tacho.c | 7 +------
> 1 file changed, 1 insertion(+), 6 deletions(-)
>
> --
> 2.23.0
>
> diff --git a/drivers/hwmon/aspeed-pwm-tacho.c b/drivers/hwmon/aspeed-pwm-tacho.c
> index 40c489be62ea..33fb54845bf6 100644
> --- a/drivers/hwmon/aspeed-pwm-tacho.c
> +++ b/drivers/hwmon/aspeed-pwm-tacho.c
> @@ -891,17 +891,12 @@ static int aspeed_pwm_tacho_probe(struct platform_device *pdev)
> struct device_node *np, *child;
> struct aspeed_pwm_tacho_data *priv;
> void __iomem *regs;
> - struct resource *res;
> struct device *hwmon;
> struct clk *clk;
> int ret;
>
> np = dev->of_node;
> -
> - res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - if (!res)
> - return -ENOENT;
> - regs = devm_ioremap_resource(dev, res);
> + regs = devm_platform_ioremap_resource(pdev, 0);
> if (IS_ERR(regs))
> return PTR_ERR(regs);
> priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);