From: Chris Packham <chris.packham-6g8wRflRTwXFdCa3tKVlE6U/zSkkHjvu@public.gmane.org>
To: linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org,
wim-IQzOog9fTRqzQB+pC5nmwQ@public.gmane.org,
gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-watchdog-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Chris Packham
<chris.packham-6g8wRflRTwXFdCa3tKVlE6U/zSkkHjvu@public.gmane.org>
Subject: [PATCH 0/3] getting more output from orion_wdt
Date: Wed, 11 Oct 2017 15:29:55 +1300 [thread overview]
Message-ID: <20171011022958.31268-1-chris.packham@alliedtelesis.co.nz> (raw)
On the Armada-38x platforms (and probably 37x/XP) the current behaviour of on
exipry of the watchdog is a silent reboot of the CPU. The Armada-38x does have
an interrupt which if we don't enable the Global WD bit in the RSTOUTn register
gives us a chance to generate some panic messages that may help track down the
cause of the watchdog timeout.
I've been a bit bold and enabled this in the generic armada-38x.dtsi file. I'd
be happy to leave that part out and have the interrupt enabled on a
board-by-board basis if there are objections.
Chris Packham (3):
watchdog: orion: fix typo
watchdog: orion: don't enable rstout if an interrupt is configured
ARM: mvebu: dts: connect interrupt for WD on armada-38x
arch/arm/boot/dts/armada-38x.dtsi | 1 +
drivers/watchdog/orion_wdt.c | 27 ++++++++++++++++++---------
2 files changed, 19 insertions(+), 9 deletions(-)
--
2.14.2
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next reply other threads:[~2017-10-11 2:29 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-11 2:29 Chris Packham [this message]
2017-10-11 2:29 ` [PATCH 1/3] watchdog: orion: fix typo Chris Packham
2017-10-11 3:35 ` Guenter Roeck
2017-10-11 2:29 ` [PATCH 2/3] watchdog: orion: don't enable rstout if an interrupt is configured Chris Packham
[not found] ` <20171011022958.31268-3-chris.packham-6g8wRflRTwXFdCa3tKVlE6U/zSkkHjvu@public.gmane.org>
2017-10-11 3:41 ` Guenter Roeck
2017-10-11 4:30 ` Chris Packham
2019-02-27 20:59 ` Chris Packham
2019-02-27 23:07 ` Guenter Roeck
[not found] ` <20190304225152.26831-1-chris.packham@alliedtelesis.co.nz>
2019-03-04 22:51 ` [PATCH 2/2] watchdog: orion_wdt: use timer1 as a pretimeout Chris Packham
2019-03-05 0:57 ` Andrew Lunn
2019-03-05 1:26 ` Chris Packham
2019-03-05 2:09 ` Andrew Lunn
2019-03-05 17:27 ` Guenter Roeck
2017-10-11 2:29 ` [PATCH 3/3] ARM: mvebu: dts: connect interrupt for WD on armada-38x Chris Packham
[not found] ` <20171011022958.31268-4-chris.packham-6g8wRflRTwXFdCa3tKVlE6U/zSkkHjvu@public.gmane.org>
2017-10-12 14:16 ` Gregory CLEMENT
2017-10-12 20:12 ` Chris Packham
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