Enable Geode hardware watchdog in optimized kernel

[diego]

Hi,

it would be nice to enable support for the hardware watchdog included in the Geode processor.
That would enable automatic reboot in case of kernel panic on hardware such as the Soekris 5501 or the Alix.

> uname -r

3.4.75-ZS-GEODE

> zcat /proc/config.gz | grep CONFIG_GEODE_WDT

> zcat /proc/config.gz | grep CS5535

CONFIG_PATA_CS5535=m

# CONFIG_MFD_CS5535 is not set

It seems the driver is not enabled at all even in the Geode specific kernel, but I think enabling CONFIG_MFD_CS5535 and CONFIG_GEODE_WDT should be enough.
http://cateee.net/lkddb/web-lkddb/GEODE_WDT.html

I can do that on my own and share the result if somebody points me to the Linux git commit that Zeroshell is using for its kernel. Is it tag 3.4.75 without any modification?
https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/log/?id=refs/tags/v3.4.75

Bests,
Diego

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