Re: [PATCH] ARM: sunxi: New watchdog driver for Allwinner A10/A13

[Maxime Ripard <maxime.ripard@free-electrons.com>]

Hi,

Le 12/05/2013 22:36, Carlo Caione a écrit :
> This patch adds the driver for the watchdog found in the Allwinner A10 and
> A13 SoCs. It has DT-support and uses the new watchdog framework.

I'd like to start some more general discussion here.

All the sunxi boards don't have a PMIC to do the reset properly, so we
chose to do the reboot hook using the watchdog.

How is that handled usually? Obviously, we could have a rather minimal
approach, like this one, where we have code duplication between the arch
code and the watchdog driver code, which is probably not so nice, but I
couldn't find either any convention for this, or a piece of
infrastructure to do so.

What could be the preferred solution?

Thanks,
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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