On Tue, 14 Oct 2014 06:31:09 +0000
, Romain Perier <romain.perier@xxxxxxxxx>
wrote:
> Several drivers create their own devicetree property when they register
> poweroff capabilities. This is for example the case for mfd, regulator
> or power drivers which define "vendor,system-power-controller" property.
> This patch adds support for a standard property "poweroff-source"
> which marks the device as able to shutdown the system.
>
> Signed-off-by: Romain Perier <romain.perier@xxxxxxxxx>
Acked-by: Grant Likely <grant.likely@xxxxxxxxxx>
And same for the documentation patches.
g.
> ---
> include/linux/of.h | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/include/linux/of.h b/include/linux/of.h
> index 6545e7a..27b3ba1 100644
> --- a/include/linux/of.h
> +++ b/include/linux/of.h
> @@ -866,4 +866,15 @@ static inline int of_changeset_update_property(struct of_changeset *ocs,
> /* CONFIG_OF_RESOLVE api */
> extern int of_resolve_phandles(struct device_node *tree);
>
> +/**
> + * of_system_has_poweroff_source - Tells if poweroff-source is found for device_node
> + * @np: Pointer to the given device_node
> + *
> + * return true if present false otherwise
> + */
> +static inline bool of_system_has_poweroff_source(const struct device_node *np)
> +{
> + return of_property_read_bool(np, "poweroff-source");
> +}
> +
> #endif /* _LINUX_OF_H */
> --
> 1.9.1
>
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