From: Sascha Hauer <sha@pengutronix.de>
To: Marc Kleine-Budde <mkl@pengutronix.de>
Cc: barebox@lists.infradead.org,
Steffen Trumtrar <s.trumtrar@pengutronix.de>
Subject: Re: [PATCH 1/2] ARM/MXS/i.MX28: recognize watchdog reset
Date: Mon, 30 Mar 2015 19:24:24 +0200 [thread overview]
Message-ID: <20150330172424.GC9742@pengutronix.de> (raw)
In-Reply-To: <1427484192-5410-1-git-send-email-mkl@pengutronix.de>
On Fri, Mar 27, 2015 at 08:23:11PM +0100, Marc Kleine-Budde wrote:
> From: Steffen Trumtrar <s.trumtrar@pengutronix.de>
>
> When a watchdog timeout is set in the linux kernel, the FORCE_UPDATE bit is set.
> Use this to recognize a system reset that was triggered by the watchdog.
> Since only the wdt part of the kernel driver sets this bit, this is a safe
> distinguishing feature.
>
> Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
> ---
> drivers/watchdog/im28wd.c | 7 +++++++
> 1 file changed, 7 insertions(+)
Applied, thanks
Sascha
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prev parent reply other threads:[~2015-03-30 17:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-27 19:23 Marc Kleine-Budde
2015-03-27 19:23 ` [PATCH 2/2] duckbill: fix PBL debug prefix Marc Kleine-Budde
2015-03-30 17:24 ` Sascha Hauer [this message]
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