[PATCH 3/3] watchdog: imx2: add compatibility for new i.MX35 type watchdog

Fabio Estevam festevam at gmail.com
Mon Jan 16 10:36:54 PST 2017


On Mon, Jan 9, 2017 at 7:50 AM, Uwe Kleine-König
<u.kleine-koenig at pengutronix.de> wrote:
> When the watchdog driver learned about the i.MX35 type watchdog a new
> compatibility string was introduced. Older dtb continue to use the
> old fsl,imx21-wdt string and so stop writing the WMCR register which is
> critical iff the machine powers off when WDOG becomes active and the
> bootloader doesn't stop the power down counter.
>
> It's unknown which boards are affected and I guess most of them are not.

At least imx31 pdk is affected.

> Also note this is only an issue if a new kernel is operated with an old
> dtb as the SoC dtsi files are fixed accordingly.
>
> XXX: the XXX introduced needs to be changed to HEAD~2 when got a stable commit id.

This comment should not be here.


Other than that:

Reviewed-by: Fabio Estevam <fabio.estevam at nxp.com>



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