Hi Fabrizio,
Thank you for the patch.
On Wed, Nov 13, 2019 at 03:51:26PM +0000, Fabrizio Castro wrote:
> The probe function needs to get ahold of the panel device tree
> node, and it achieves that by using a combination of
> of_graph_get_port_by_id, of_get_child_by_name, and
> of_graph_get_remote_port_parent. We can achieve the same goal
> by replacing those calls with a call to of_graph_get_remote_node
> these days.
>
> Signed-off-by: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---
> v3->v4:
> * New patch
> ---
> drivers/gpu/drm/bridge/lvds-codec.c | 20 ++------------------
> 1 file changed, 2 insertions(+), 18 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/lvds-codec.c b/drivers/gpu/drm/bridge/lvds-codec.c
> index c32e125..784bbd3 100644
> --- a/drivers/gpu/drm/bridge/lvds-codec.c
> +++ b/drivers/gpu/drm/bridge/lvds-codec.c
> @@ -57,8 +57,6 @@ static struct drm_bridge_funcs funcs = {
> static int lvds_codec_probe(struct platform_device *pdev)
> {
> struct device *dev = &pdev->dev;
> - struct device_node *port;
> - struct device_node *endpoint;
> struct device_node *panel_node;
> struct drm_panel *panel;
> struct lvds_codec *lvds_codec;
> @@ -79,23 +77,9 @@ static int lvds_codec_probe(struct platform_device *pdev)
> }
>
> /* Locate the panel DT node. */
> - port = of_graph_get_port_by_id(dev->of_node, 1);
> - if (!port) {
> - dev_dbg(dev, "port 1 not found\n");
> - return -ENXIO;
> - }
> -
> - endpoint = of_get_child_by_name(port, "endpoint");
> - of_node_put(port);
> - if (!endpoint) {
> - dev_dbg(dev, "no endpoint for port 1\n");
> - return -ENXIO;
> - }
> -
> - panel_node = of_graph_get_remote_port_parent(endpoint);
> - of_node_put(endpoint);
> + panel_node = of_graph_get_remote_node(dev->of_node, 1, 0);
> if (!panel_node) {
> - dev_dbg(dev, "no remote endpoint for port 1\n");
> + dev_dbg(dev, "panel DT node not found\n");
> return -ENXIO;
> }
>
--
Regards,
Laurent Pinchart
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