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* [PATCH 13/15] serial: sirfsoc: remove unnecessary platform_set_drvdata()
@ 2013-05-07  8:06 Jingoo Han
  2013-05-07  8:11 ` Barry Song
  0 siblings, 1 reply; 2+ messages in thread
From: Jingoo Han @ 2013-05-07  8:06 UTC (permalink / raw)
  To: 'Greg Kroah-Hartman'
  Cc: 'Jiri Slaby', linux-serial, Jingoo Han, Barry Song,
	'Rong Wang'

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/tty/serial/sirfsoc_uart.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/serial/sirfsoc_uart.c b/drivers/tty/serial/sirfsoc_uart.c
index 03465b6..f256440 100644
--- a/drivers/tty/serial/sirfsoc_uart.c
+++ b/drivers/tty/serial/sirfsoc_uart.c
@@ -716,7 +716,6 @@ port_err:
 	clk_disable_unprepare(sirfport->clk);
 	clk_put(sirfport->clk);
 clk_err:
-	platform_set_drvdata(pdev, NULL);
 	if (sirfport->hw_flow_ctrl)
 		pinctrl_put(sirfport->p);
 err:
@@ -727,7 +726,7 @@ static int sirfsoc_uart_remove(struct platform_device *pdev)
 {
 	struct sirfsoc_uart_port *sirfport = platform_get_drvdata(pdev);
 	struct uart_port *port = &sirfport->port;
-	platform_set_drvdata(pdev, NULL);
+
 	if (sirfport->hw_flow_ctrl)
 		pinctrl_put(sirfport->p);
 	clk_disable_unprepare(sirfport->clk);
-- 
1.7.2.5



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

* Re: [PATCH 13/15] serial: sirfsoc: remove unnecessary platform_set_drvdata()
  2013-05-07  8:06 [PATCH 13/15] serial: sirfsoc: remove unnecessary platform_set_drvdata() Jingoo Han
@ 2013-05-07  8:11 ` Barry Song
  0 siblings, 0 replies; 2+ messages in thread
From: Barry Song @ 2013-05-07  8:11 UTC (permalink / raw)
  To: Jingoo Han
  Cc: Greg Kroah-Hartman, Jiri Slaby, linux-serial, Barry Song,
	Rong Wang, DL-SHA-WorkGroupLinux

2013/5/7 Jingoo Han <jg1.han@samsung.com>
>
> 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: Barry Song <baohua.song@csr.com>

> ---
>  drivers/tty/serial/sirfsoc_uart.c |    3 +--
>  1 files changed, 1 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/tty/serial/sirfsoc_uart.c
> b/drivers/tty/serial/sirfsoc_uart.c
> index 03465b6..f256440 100644
> --- a/drivers/tty/serial/sirfsoc_uart.c
> +++ b/drivers/tty/serial/sirfsoc_uart.c
> @@ -716,7 +716,6 @@ port_err:
>         clk_disable_unprepare(sirfport->clk);
>         clk_put(sirfport->clk);
>  clk_err:
> -       platform_set_drvdata(pdev, NULL);
>         if (sirfport->hw_flow_ctrl)
>                 pinctrl_put(sirfport->p);
>  err:
> @@ -727,7 +726,7 @@ static int sirfsoc_uart_remove(struct platform_device
> *pdev)
>  {
>         struct sirfsoc_uart_port *sirfport = platform_get_drvdata(pdev);
>         struct uart_port *port = &sirfport->port;
> -       platform_set_drvdata(pdev, NULL);
> +
>         if (sirfport->hw_flow_ctrl)
>                 pinctrl_put(sirfport->p);
>         clk_disable_unprepare(sirfport->clk);
> --
> 1.7.2.5
>

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

end of thread, other threads:[~2013-05-07 10:56 UTC | newest]

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