linux-kernel - Re: [PATCH RESEND 2/5] watchdog: imx2_wdt: use devm_clk

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Date:	Mon, 29 Apr 2013 09:33:16 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Jingoo Han <jg1.han@...sung.com>
Cc:	'Andrew Morton' <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, 'Wim Van Sebroeck' <wim@...ana.be>,
	linux-watchdog@...r.kernel.org
Subject: Re: [PATCH RESEND 2/5] watchdog: imx2_wdt: use devm_clk_get()

On Mon, Apr 29, 2013 at 06:15:53PM +0900, Jingoo Han wrote:
> Use devm_clk_get() to make cleanup paths more simple.
> 
> Signed-off-by: Jingoo Han <jg1.han@...sung.com>

Reviewed-by: Guenter Roeck <linux@...ck-us.net>

> ---
>  drivers/watchdog/imx2_wdt.c |    6 ++----
>  1 files changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/watchdog/imx2_wdt.c b/drivers/watchdog/imx2_wdt.c
> index ff90882..0c2b075 100644
> --- a/drivers/watchdog/imx2_wdt.c
> +++ b/drivers/watchdog/imx2_wdt.c
> @@ -266,7 +266,7 @@ static int __init imx2_wdt_probe(struct platform_device *pdev)
>  	if (IS_ERR(imx2_wdt.base))
>  		return PTR_ERR(imx2_wdt.base);
>  
> -	imx2_wdt.clk = clk_get(&pdev->dev, NULL);
> +	imx2_wdt.clk = devm_clk_get(&pdev->dev, NULL);
>  	if (IS_ERR(imx2_wdt.clk)) {
>  		dev_err(&pdev->dev, "can't get Watchdog clock\n");
>  		return PTR_ERR(imx2_wdt.clk);
> @@ -291,7 +291,6 @@ static int __init imx2_wdt_probe(struct platform_device *pdev)
>  
>  fail:
>  	imx2_wdt_miscdev.parent = NULL;
> -	clk_put(imx2_wdt.clk);
>  	return ret;
>  }
>  
> @@ -304,8 +303,7 @@ static int __exit imx2_wdt_remove(struct platform_device *pdev)
>  
>  		dev_crit(imx2_wdt_miscdev.parent,
>  			"Device removed: Expect reboot!\n");
> -	} else
> -		clk_put(imx2_wdt.clk);
> +	}
>  
>  	imx2_wdt_miscdev.parent = NULL;
>  	return 0;
> -- 
> 1.7.2.5
> 
> 
> --
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