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* [PATCH 15/26] mtd: nand: gpmi-nand: remove unnecessary platform_set_drvdata()
@ 2013-05-07  6:37 Jingoo Han
  2013-05-07  8:30 ` Shawn Guo
  0 siblings, 1 reply; 2+ messages in thread
From: Jingoo Han @ 2013-05-07  6:37 UTC (permalink / raw)
  To: 'Artem Bityutskiy'
  Cc: linux-mtd, Jingoo Han, 'David Woodhouse',
	'Huang Shijie', Shawn Guo

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/mtd/nand/gpmi-nand/gpmi-nand.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index 25ecfa1..7869210 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -1633,7 +1633,6 @@ static int gpmi_nand_probe(struct platform_device *pdev)
 exit_nfc_init:
 	release_resources(this);
 exit_acquire_resources:
-	platform_set_drvdata(pdev, NULL);
 	dev_err(this->dev, "driver registration failed: %d\n", ret);
 	kfree(this);
 
@@ -1646,7 +1645,6 @@ static int gpmi_nand_remove(struct platform_device *pdev)
 
 	gpmi_nfc_exit(this);
 	release_resources(this);
-	platform_set_drvdata(pdev, NULL);
 	kfree(this);
 	return 0;
 }
-- 
1.7.2.5

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

* Re: [PATCH 15/26] mtd: nand: gpmi-nand: remove unnecessary platform_set_drvdata()
  2013-05-07  6:37 [PATCH 15/26] mtd: nand: gpmi-nand: remove unnecessary platform_set_drvdata() Jingoo Han
@ 2013-05-07  8:30 ` Shawn Guo
  0 siblings, 0 replies; 2+ messages in thread
From: Shawn Guo @ 2013-05-07  8:30 UTC (permalink / raw)
  To: Jingoo Han
  Cc: 'Artem Bityutskiy', 'David Woodhouse', linux-mtd,
	'Huang Shijie'

On Tue, May 07, 2013 at 03:37:16PM +0900, 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@samsung.com>

Acked-by: Shawn Guo <shawn.guo@linaro.org>

> ---
>  drivers/mtd/nand/gpmi-nand/gpmi-nand.c |    2 --
>  1 files changed, 0 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
> index 25ecfa1..7869210 100644
> --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
> +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
> @@ -1633,7 +1633,6 @@ static int gpmi_nand_probe(struct platform_device *pdev)
>  exit_nfc_init:
>  	release_resources(this);
>  exit_acquire_resources:
> -	platform_set_drvdata(pdev, NULL);
>  	dev_err(this->dev, "driver registration failed: %d\n", ret);
>  	kfree(this);
>  
> @@ -1646,7 +1645,6 @@ static int gpmi_nand_remove(struct platform_device *pdev)
>  
>  	gpmi_nfc_exit(this);
>  	release_resources(this);
> -	platform_set_drvdata(pdev, NULL);
>  	kfree(this);
>  	return 0;
>  }
> -- 
> 1.7.2.5
> 
> 

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

end of thread, other threads:[~2013-05-07  8:30 UTC | newest]

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