linux-kernel - Re: [PATCH] watchdog: imx2_wdt: use devm_platform_ioremap

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Message-ID: <ca6ff9b3-536f-4a0a-c147-ea3219e732f7@codeaurora.org>
Date:   Mon, 1 Apr 2019 13:42:40 +0530
From:   Mukesh Ojha <mojha@...eaurora.org>
To:     Anson Huang <anson.huang@....com>,
        "wim@...ux-watchdog.org" <wim@...ux-watchdog.org>,
        "linux@...ck-us.net" <linux@...ck-us.net>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        "linux-watchdog@...r.kernel.org" <linux-watchdog@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Cc:     dl-linux-imx <linux-imx@....com>
Subject: Re: [PATCH] watchdog: imx2_wdt: use devm_platform_ioremap_resource()
 to simplify code


On 4/1/2019 10:34 AM, 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@....com>
Reviewed-by: Mukesh Ojha <mojha@...eaurora.org>

Cheers,
-Mukesh

> ---
>   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);
>