[PATCH] mfd: mc13xxx: Configure WDI reset
philippe.retornaz at gmail.com
Mon Sep 8 05:06:36 PDT 2014
Le 08/09/2014 11:25, Markus Pargmann a écrit :
> On Mon, Sep 08, 2014 at 09:42:35AM +0200, Philippe Rétornaz wrote:
>> Le 08/09/2014 09:01, Markus Pargmann a écrit :
>>> Setup the PMIC to make a restart when a watchdog interrupt occures.
>>> If this is not configured, the PMIC will shut down the power supply
>>> without a restart.
>> Well, this was used to poweroff the mx31moboard board.
>> So we need to be able to configure the functionality.
> So on mx31moboard the watchdog interrupt always leads to a poweroff instead of
> a reset?
Well, no, it simply doesn't work since the output pin is not enabled :)
We enable the watchdog output only in pm_power_off().
> Perhaps it would be better to switch back to poweroff on
> watchdog interrupt right before the shutdown watchdog interrupt is
Yes, we definitely should be doing this.
The only point is that we don't have currently access to the PMIC from
Is there a clean/recommended way to do it ?
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