Re: [PATCH v4 1/4] device property: Add a function to test is a fwnode is a graph endpoint

["Lad, Prabhakar" <prabhakar.csengg@gmail.com>]

Hi Laurent,

Thank you for the patch.

On Wed, Jul 1, 2020 at 7:21 AM Laurent Pinchart
<laurent.pinchart+renesas@ideasonboard.com> wrote:
>
> Drivers may need to test if a fwnode is a graph endpoint. To avoid
> hand-written solutions that wouldn't work for all fwnode types, add a
> new fwnode_graph_is_endpoint() function for this purpose. We don't need
> to wire it up to different backends for OF and ACPI for now, as the
> implementation can simply be based on checkout the presence of a
> remote-endpoint property.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
> ---
>  include/linux/property.h | 5 +++++
>  1 file changed, 5 insertions(+)
>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Cheers,
--Prabhakar

> diff --git a/include/linux/property.h b/include/linux/property.h
> index 10d03572f52e..9f805c442819 100644
> --- a/include/linux/property.h
> +++ b/include/linux/property.h
> @@ -389,6 +389,11 @@ struct fwnode_handle *
>  fwnode_graph_get_remote_node(const struct fwnode_handle *fwnode, u32 port,
>                              u32 endpoint);
>
> +static inline bool fwnode_graph_is_endpoint(struct fwnode_handle *fwnode)
> +{
> +       return fwnode_property_present(fwnode, "remote-endpoint");
> +}
> +
>  /*
>   * Fwnode lookup flags
>   *
> --
> Regards,
>
> Laurent Pinchart
>