[PATCH v1] watchdog: imx2: fix hang-up on boot for i.MX21, i.MX27 and i.MX31 SoCs

[Fabio Estevam]

On Wed, Dec 28, 2016 at 7:46 PM, Uwe Kleine-König
<u.kleine-koenig at pengutronix.de> wrote:

> Right, so they would fall back to the i.MX21 type and not profit from
> Markus' change until either the dtb is updated or the third commit is
> added. I'll try to contact Markus to ask if he remembers more details.

There is no profit from Markus' change for mx21/mx27/mx31.

As Vladimir explained in his commit log these SoCs do not have the
WMCR register, which causes a hang on these SoCs when we try to write
to it.