linux-kernel - Re: [PATCH v6] watchdog: New watchdog driver for MEN A21 watchdogs

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Message-ID: <20130603095026.GA21720@jtlinux>
Date:	Mon, 3 Jun 2013 11:50:26 +0200
From:	Johannes Thumshirn <johannes.thumshirn@....de>
To:	Guenter Roeck <linux@...ck-us.net>
CC:	<wim@...ana.be>, <guenter@...ck-us.net>,
	<linux-watchdog@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<johannes.thumshirn@....de>
Subject: Re: [PATCH v6] watchdog: New watchdog driver for MEN A21 watchdogs

On Fri, May 31, 2013 at 09:15:23PM -0700, Guenter Roeck wrote:
> On Fri, May 31, 2013 at 02:55:19PM +0200, Johannes Thumshirn wrote:
> > Hi Guenther,
> > On Fri, May 31, 2013 at 04:40:37AM -0700, Guenter Roeck wrote:
> > > > +#define GPIO_WD_ENAB	169
> > > > +#define GPIO_WD_FAST	170
> > > > +#define GPIO_WD_TRIG	171
> > > > +
> > > > +#define GPIO_RST_CAUSE_BASE 166
> > > > +
> > >
> > > I think I asked that before ... as you are supporting devicetree, gpio pins
> > > should really be provided through devicetree properties and not be hardcoded.
> > >
> > Yes you did and I didn't come up with a solution to this problem yet. I understand
> > and agree to your concerns but I'm lacking example code/documentation for it, maybe
> > you can point me to an example on that and then I'll update my code accordingly.
> >
>
> Have a look at Documentation/devicetree/bindings/gpio/gpio-fan.txt and
> drivers/hwmon/gpio-fan.c.

Thanks a lot, this really helped me out. Updated patch is comming today
including the bindings document Arnd Bergmann requested. I only need to rebase
the sysfs patch on top of that changes.

Regards,
Johannes
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