Re: [PATCH v2] pinctrl: qcom: use restart_notifier mechanism for ps_hold

[Bjorn Andersson <bjorn.andersson@sonymobile.com>]

On Thu 25 Sep 00:41 PDT 2014, Linus Walleij wrote:

> On Tue, Sep 23, 2014 at 10:59 PM, Josh Cartwright <joshc@codeaurora.org> wrote:
> 
> > By converting to the restart_notifier mechanism for restart, we allow
> > for other mechanisms, like the watchdog, to be used for restart in the
> > case where PS_HOLD has failed to reset the chip.
> >
> > Since this mechanism may be one of several mechanisms registered, change
> > the post-ps_hold write timeout to be a more reasonable 1 second instead
> > of 10 seconds.
> >
> > Choose priority 128, as according to documentation, this mechanism "is
> > sufficient to restart the entire system".
> >
> > Cc: Pramod Gurav <pramod.gurav@smartplayin.com>
> > Cc: Guenter Roeck <linux@roeck-us.net>
> > Tested-by: Pramod Gurav <pramod.gurav@smartplayin.com>
> > Signed-off-by: Josh Cartwright <joshc@codeaurora.org>
> > ---
> >
> > Changes since v1:
> >   - Simplified conditional notifier block registration
> >   - Reduced wait time to 1s, which I've found to be sufficient on an IFC6410
> >     board.
> 
> Björn, are you OK with this patch?
> 

Indeed, this is better than overriding arm_pm_restart.

Acked-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>

Regards,
Bjorn