Re: [PATCH] watchdog: imx2_wdt: use devm_platform_ioremap_resource() to simplify code

From: Guenter Roeck
Date: Mon Apr 01 2019 - 11:55:34 EST


On Mon, Apr 01, 2019 at 05:04:30AM +0000, Anson Huang wrote:
> Use the new helper devm_platform_ioremap_resource() which wraps the
> platform_get_resource() and devm_ioremap_resource() together, to
> simplify the code.
>
> Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

> ---
> drivers/watchdog/imx2_wdt.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/watchdog/imx2_wdt.c b/drivers/watchdog/imx2_wdt.c
> index 2b52514..1b0faa2 100644
> --- a/drivers/watchdog/imx2_wdt.c
> +++ b/drivers/watchdog/imx2_wdt.c
> @@ -247,7 +247,6 @@ static int __init imx2_wdt_probe(struct platform_device *pdev)
> {
> struct imx2_wdt_device *wdev;
> struct watchdog_device *wdog;
> - struct resource *res;
> void __iomem *base;
> int ret;
> u32 val;
> @@ -256,8 +255,7 @@ static int __init imx2_wdt_probe(struct platform_device *pdev)
> if (!wdev)
> 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);
>
> --
> 2.7.4
>