linux-kernel - Re: [PATCH 38/42] rtc: rtc-vt8500: remove unnecessary platform_set

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Message-ID: <518366D3.4070009@prisktech.co.nz>
Date:	Fri, 03 May 2013 19:27:15 +1200
From:	Tony Prisk <linux@...sktech.co.nz>
To:	Jingoo Han <jg1.han@...sung.com>
CC:	'Andrew Morton' <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	'Alessandro Zummo' <a.zummo@...ertech.it>,
	rtc-linux@...glegroups.com
Subject: Re: [PATCH 38/42] rtc: rtc-vt8500: remove unnecessary platform_set_drvdata()

On 03/05/13 18:38, Jingoo Han wrote:
> The driver core clears the driver data to NULL after device_release
> or on probe failure, since commit 0998d0631001288a5974afc0b2a5f568bcdecb4d
> (device-core: Ensure drvdata = NULL when no driver is bound).
> Thus, it is not needed to manually clear the device driver data to NULL.
>
> Signed-off-by: Jingoo Han <jg1.han@...sung.com>
> ---
>   drivers/rtc/rtc-vt8500.c |    2 --
>   1 files changed, 0 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/rtc/rtc-vt8500.c b/drivers/rtc/rtc-vt8500.c
> index d89efee..c2d6331 100644
> --- a/drivers/rtc/rtc-vt8500.c
> +++ b/drivers/rtc/rtc-vt8500.c
> @@ -282,8 +282,6 @@ static int vt8500_rtc_remove(struct platform_device *pdev)
>   	/* Disable alarm matching */
>   	writel(0, vt8500_rtc->regbase + VT8500_RTC_IS);
>   
> -	platform_set_drvdata(pdev, NULL);
> -
>   	return 0;
>   }
>   
Acked-by: Tony Prisk <linux@...sktech.co.nz>
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