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* pro_arm_davinci_watchdog_fix.patch
@ 2008-07-22 11:36 Egorov Evgeny
  2008-07-31  0:20 ` pro_arm_davinci_watchdog_fix.patch Andrew Morton
  0 siblings, 1 reply; 3+ messages in thread
From: Egorov Evgeny @ 2008-07-22 11:36 UTC (permalink / raw)
  To: wim; +Cc: linux-kernel

[-- Attachment #1: Type: text/plain, Size: 92 bytes --]

This patch fix bug of watchdog driver's write fuction which allow to
prevent wdt timeout.  

[-- Attachment #2: pro_arm_davinci_watchdog_fix.patch --]
[-- Type: text/x-patch, Size: 800 bytes --]

Source: MontaVista Software, Inc. 
MR:26833 
Type: Fix Bug 
Disposition: Submitted to Wim van Sebroek
Signed-off-by: Egorov Evgeny <eegorov@ru.mvista.com>
Description:
    This patch fix bug of watchdog driver's write fuction
    which allow to prevent wdt timeout. 

Index: linux-2.6.18/drivers/char/watchdog/davinci_wdt.c
===================================================================
--- linux-2.6.18.orig/drivers/char/watchdog/davinci_wdt.c
+++ linux-2.6.18/drivers/char/watchdog/davinci_wdt.c
@@ -133,13 +133,8 @@ static ssize_t
 davinci_wdt_write(struct file *file, const char *data, size_t len,
 		  loff_t *ppos)
 {
-	/*  Can't seek (pwrite) on this device  */
-	if (ppos != &file->f_pos)
-		return -ESPIPE;
-
 	if (len)
 		wdt_service();
-
 	return len;
 }
 

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: pro_arm_davinci_watchdog_fix.patch
  2008-07-22 11:36 pro_arm_davinci_watchdog_fix.patch Egorov Evgeny
@ 2008-07-31  0:20 ` Andrew Morton
  0 siblings, 0 replies; 3+ messages in thread
From: Andrew Morton @ 2008-07-31  0:20 UTC (permalink / raw)
  To: eegorov; +Cc: wim, linux-kernel

On Tue, 22 Jul 2008 15:36:39 +0400
Egorov Evgeny <eegorov@ru.mvista.com> wrote:

>     This patch fix bug of watchdog driver's write fuction
>     which allow to prevent wdt timeout. 
> 
> Index: linux-2.6.18/drivers/char/watchdog/davinci_wdt.c
> ===================================================================
> --- linux-2.6.18.orig/drivers/char/watchdog/davinci_wdt.c
> +++ linux-2.6.18/drivers/char/watchdog/davinci_wdt.c
> @@ -133,13 +133,8 @@ static ssize_t
>  davinci_wdt_write(struct file *file, const char *data, size_t len,
>  		  loff_t *ppos)
>  {
> -	/*  Can't seek (pwrite) on this device  */
> -	if (ppos != &file->f_pos)
> -		return -ESPIPE;
> -
>  	if (len)
>  		wdt_service();
> -
>  	return len;
>  }

Thanks, but 2.6.25's drivers/watchdog/davinci_wdt.c already has this
fix, and we're not maintaining any kernels which are older than that.


^ permalink raw reply	[flat|nested] 3+ messages in thread

* pro_arm_davinci_watchdog_fix.patch
@ 2008-07-30 15:15 Egorov Evgeny
  0 siblings, 0 replies; 3+ messages in thread
From: Egorov Evgeny @ 2008-07-30 15:15 UTC (permalink / raw)
  To: linux-kernel

This patch fix bug of watchdog driver's write fuction which allow to
prevent wdt timeout.  

[I cann't to send my mail to Maintainer of WDT driver - 


wim@iguana.be
Probably, this address is not valid] 


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2008-07-31  0:21 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2008-07-22 11:36 pro_arm_davinci_watchdog_fix.patch Egorov Evgeny
2008-07-31  0:20 ` pro_arm_davinci_watchdog_fix.patch Andrew Morton
2008-07-30 15:15 pro_arm_davinci_watchdog_fix.patch Egorov Evgeny

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