From: festevam@gmail.com (Fabio Estevam)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/3] watchdog: imx2: Only i.MX35 and later have a WMCR register
Date: Mon, 16 Jan 2017 11:34:05 -0200 [thread overview]
Message-ID: <CAOMZO5BH+B5dxNGC-2bNZe-PCqcmOXd=xenmd-pfLKncDp--gg@mail.gmail.com> (raw)
In-Reply-To: <20170109095039.11979-2-u.kleine-koenig@pengutronix.de>
Hi Magnus,
On Mon, Jan 9, 2017 at 7:50 AM, Uwe Kleine-K?nig
<u.kleine-koenig@pengutronix.de> wrote:
> Commit 5fe65ce7ccbb ("watchdog: imx2_wdt: Disable power down counter on
> boot") introduced a write to the WMCR register that doesn't exist on
> i.MX21, i.MX27 and i.MX31 and so makes the SoC hang during probe.
>
> So teach the driver to differentiate between these two types. Note that
> this effectively undoes commit 5fe65ce7ccbb for machines using dt until
> their dtb is updated accordingly. This is critical iff the bootloader
> doesn't disable the power down counter and the #WDOG signal actually
> does something to the machine.
>
> Signed-off-by: Uwe Kleine-K?nig <u.kleine-koenig@pengutronix.de>
Is it possible for you to try this series and let us know if it fixes
the mx31 watchdog issue?
Thanks
next prev parent reply other threads:[~2017-01-16 13:34 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-09 9:50 [PATCH 0/3] watchdog: imx2: handle WMCR only being available on i.MX35 and later Uwe Kleine-König
2017-01-09 9:50 ` [PATCH 1/3] watchdog: imx2: Only i.MX35 and later have a WMCR register Uwe Kleine-König
2017-01-16 13:34 ` Fabio Estevam [this message]
2017-01-16 18:34 ` Fabio Estevam
2017-01-09 9:50 ` [PATCH 2/3] dts: teach newer i.MX machines to have the i.MX35 type watchdog Uwe Kleine-König
2017-01-16 18:35 ` Fabio Estevam
2017-01-16 20:43 ` Uwe Kleine-König
2017-01-16 21:48 ` Vladimir Zapolskiy
2017-01-17 8:10 ` Uwe Kleine-König
2017-01-09 9:50 ` [PATCH 3/3] watchdog: imx2: add compatibility for new " Uwe Kleine-König
2017-01-16 18:36 ` Fabio Estevam
2017-01-09 10:55 ` [PATCH 0/3] watchdog: imx2: handle WMCR only being available on i.MX35 and later Vladimir Zapolskiy
2017-01-09 11:04 ` Uwe Kleine-König
2017-01-09 17:19 ` Guenter Roeck
2017-01-09 20:06 ` Uwe Kleine-König
2017-01-16 17:27 ` Magnus Lilja
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