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* [PATCH 40/42] rtc: rtc-puv3: remove unnecessary platform_set_drvdata()
@ 2013-05-03  6:39 Jingoo Han
  2013-05-03 16:30 ` Xuetao Guan
  0 siblings, 1 reply; 2+ messages in thread
From: Jingoo Han @ 2013-05-03  6:39 UTC (permalink / raw)
  To: 'Andrew Morton'
  Cc: linux-kernel, 'Alessandro Zummo', rtc-linux, Jingoo Han,
	'Guan Xuetao'

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@samsung.com>
---
 drivers/rtc/rtc-puv3.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/drivers/rtc/rtc-puv3.c b/drivers/rtc/rtc-puv3.c
index 72f4371..402732c 100644
--- a/drivers/rtc/rtc-puv3.c
+++ b/drivers/rtc/rtc-puv3.c
@@ -224,7 +224,6 @@ static int puv3_rtc_remove(struct platform_device *dev)
 {
 	struct rtc_device *rtc = platform_get_drvdata(dev);
 
-	platform_set_drvdata(dev, NULL);
 	rtc_device_unregister(rtc);
 
 	puv3_rtc_setpie(&dev->dev, 0);
-- 
1.7.2.5



^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH 40/42] rtc: rtc-puv3: remove unnecessary  platform_set_drvdata()
  2013-05-03  6:39 [PATCH 40/42] rtc: rtc-puv3: remove unnecessary platform_set_drvdata() Jingoo Han
@ 2013-05-03 16:30 ` Xuetao Guan
  0 siblings, 0 replies; 2+ messages in thread
From: Xuetao Guan @ 2013-05-03 16:30 UTC (permalink / raw)
  To: Jingoo Han
  Cc: 'Andrew Morton', linux-kernel, 'Alessandro Zummo',
	rtc-linux, Jingoo Han, 'Guan Xuetao'

> 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@samsung.com>
Thanks.

Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn>

> ---
>  drivers/rtc/rtc-puv3.c |    1 -
>  1 files changed, 0 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/rtc/rtc-puv3.c b/drivers/rtc/rtc-puv3.c
> index 72f4371..402732c 100644
> --- a/drivers/rtc/rtc-puv3.c
> +++ b/drivers/rtc/rtc-puv3.c
> @@ -224,7 +224,6 @@ static int puv3_rtc_remove(struct platform_device
> *dev)
>  {
>  	struct rtc_device *rtc = platform_get_drvdata(dev);
>
> -	platform_set_drvdata(dev, NULL);
>  	rtc_device_unregister(rtc);
>
>  	puv3_rtc_setpie(&dev->dev, 0);
> --
> 1.7.2.5
>
>


^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2013-05-03 15:57 UTC | newest]

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2013-05-03  6:39 [PATCH 40/42] rtc: rtc-puv3: remove unnecessary platform_set_drvdata() Jingoo Han
2013-05-03 16:30 ` Xuetao Guan

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