linux-kernel - Re: [PATCH 4/5] watchdog: riowd: use platform_{get,set}

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Date:	Fri, 24 May 2013 07:59:27 -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 4/5] watchdog: riowd: use platform_{get,set}_drvdata()

On Thu, May 23, 2013 at 07:44:38PM +0900, Jingoo Han wrote:
> Use the wrapper functions for getting and setting the driver data using
> platform_device instead of using dev_{get,set}_drvdata() with &pdev->dev,
> so we can directly pass a struct platform_device.
> 
> Signed-off-by: Jingoo Han <jg1.han@...sung.com>

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

> ---
>  drivers/watchdog/riowd.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/watchdog/riowd.c b/drivers/watchdog/riowd.c
> index 0040451..4f99f12 100644
> --- a/drivers/watchdog/riowd.c
> +++ b/drivers/watchdog/riowd.c
> @@ -206,7 +206,7 @@ static int riowd_probe(struct platform_device *op)
>  	pr_info("Hardware watchdog [%i minutes], regs at %p\n",
>  		riowd_timeout, p->regs);
>  
> -	dev_set_drvdata(&op->dev, p);
> +	platform_set_drvdata(op, p);
>  	return 0;
>  
>  out_iounmap:
> @@ -222,7 +222,7 @@ out:
>  
>  static int riowd_remove(struct platform_device *op)
>  {
> -	struct riowd *p = dev_get_drvdata(&op->dev);
> +	struct riowd *p = platform_get_drvdata(op);
>  
>  	misc_deregister(&riowd_miscdev);
>  	of_iounmap(&op->resource[0], p->regs, 2);
> -- 
> 1.7.10.4
> 
> 
> 
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