On Mon, Sep 30, 2019 at 02:12:53PM +0000, Oleksandr Suvorov wrote:
> Add 'force-mode' property to allow the driver to load even if
> someone has registered the pm_power_off hook earlier.
> 
> Signed-off-by: Oleksandr Suvorov <oleksandr.suvo...@toradex.com>
> 
> ---
> 
> Changes in v2: None
> 
>  .../devicetree/bindings/power/reset/gpio-poweroff.txt          | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/power/reset/gpio-poweroff.txt 
> b/Documentation/devicetree/bindings/power/reset/gpio-poweroff.txt
> index 3e56c1b34a4c..2056e299a472 100644
> --- a/Documentation/devicetree/bindings/power/reset/gpio-poweroff.txt
> +++ b/Documentation/devicetree/bindings/power/reset/gpio-poweroff.txt
> @@ -31,6 +31,9 @@ Optional properties:
>  - inactive-delay-ms: Delay (default 100) to wait after driving gpio inactive
>  - timeout-ms: Time to wait before asserting a WARN_ON(1). If nothing is
>                specified, 3000 ms is used.
> +- force-mode: Force replacing pm_power_off kernel hook.
> +  If this optional property is not specified, the driver will fail to
> +  load if someone has registered the pm_power_off hook earlier.

What if the init order changes?

This is too tied to a specific OS implementation to go in DT.

Rob

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