linux-kernel - Re: [PATCH RESEND v10 2/2] watchdog: Sysfs interface for MEN A21 watchdog

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Message-ID: <20130708070645.GB22574@jtlinux>
Date:	Mon, 8 Jul 2013 09:06:45 +0200
From:	Johannes Thumshirn <johannes.thumshirn@....de>
To:	Wim Van Sebroeck <wim@...ana.be>
CC:	Johannes Thumshirn <johannes.thumshirn@....de>,
	<linux-kernel@...r.kernel.org>, <linux-watchdog@...r.kernel.org>,
	<guenter@...ck-us.net>
Subject: Re: [PATCH RESEND v10 2/2] watchdog: Sysfs interface for MEN A21
 watchdog

On Fri, Jul 05, 2013 at 11:03:21PM +0200, Wim Van Sebroeck wrote:
> Hi Johannes,
>
> > This patch adds a sysfs interface for the watchdog
> > device found on MEN A21 Boards.
> >
> > The newly generated files are:
> > * rebootcause:
> > Can be one of:
> > Power on Reset,
> > CPU Reset Request,
> > Push Button,
> > FPGA Reset Request,
> > Watchdog,
> > Local Power Bad,
> > Invalid or
> > BDI
> > and shows the reason of the boards last reboot.
> >
> > * active:
> > Shows if the watchdog CPLD is actually running
> >
> > * allow_disable:
> > Shows if the watchdog is allowed to be disabled (NOWAYOUT disabled)
>
> allow_disable should be nowayout because that is the general watchdog
> parameter we will have for all watchdog drivers.
>
> > * fastmode:
> > Shows if the CPLD is running in fast mode (1s timeout), once it is in
> > fastmode it can't be switched back to slow mode (30s timeout) until the
> > next reboot.
> >
> > Signed-off-by: Johannes Thumshirn <johannes.thumshirn@....de>
>
> I will not add this patch and put it in my waiting queue.
> Reason: we should first do the sysfs stuff for the wwatchdog_core (since
> active and nowayout are parameters that will be in the sysfs watchdog core).
>
> Kind regards,
> Wim.
>


Ok. If you want to offload it, I think I could spend some time on it the next
weeks, as I'll probably have to write a driver for a Ti TPS3813K33 watchdog
anyway, I can have a look into watchdog core as well.

Byte,
Johannes
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