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

From: Linus Walleij
Date: Thu Sep 25 2014 - 03:41:11 EST

On Tue, Sep 23, 2014 at 10:59 PM, Josh Cartwright <joshc@xxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxxx>
> Cc: Guenter Roeck <linux@xxxxxxxxxxxx>
> Tested-by: Pramod Gurav <pramod.gurav@xxxxxxxxxxxxxxx>
> Signed-off-by: Josh Cartwright <joshc@xxxxxxxxxxxxxx>
> ---
> Changes since v1:
> - Simplified conditional notifier block registration
> - Reduced wait time to 1s, which I've found to be sufficient on an IFC6410
> board.

BjÃrn, are you OK with this patch?

Linus Walleij
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