linux-kernel - Re: pro_arm_davinci_watchdog

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Date:	Wed, 30 Jul 2008 17:20:11 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	eegorov@...mvista.com
Cc:	wim@...ana.be, linux-kernel@...r.kernel.org
Subject: Re: pro_arm_davinci_watchdog_fix.patch

On Tue, 22 Jul 2008 15:36:39 +0400
Egorov Evgeny <eegorov@...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.

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