Convert driver to use this new helper to standardize OF "data-lanes" parsing.
Reviewed-by: Andrzej Hajda andrzej.hajda@intel.com Signed-off-by: Marek Vasut marex@denx.de Cc: Andrzej Hajda andrzej.hajda@intel.com Cc: Laurent Pinchart laurent.pinchart@ideasonboard.com Cc: Lucas Stach l.stach@pengutronix.de Cc: Maxime Ripard maxime@cerno.tech Cc: Robert Foss robert.foss@linaro.org Cc: Sam Ravnborg sam@ravnborg.org To: dri-devel@lists.freedesktop.org --- V2: - Rename drm_of_get_data_lanes{,_ep} to drm_of_get_data_lanes_count{,_ep} - Add RB from Andrzej --- drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c | 13 ++----------- 1 file changed, 2 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c b/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c index 891bb956fd61b..67dce337098a5 100644 --- a/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c +++ b/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c @@ -683,19 +683,10 @@ static int rcar_mipi_dsi_parse_dt(struct rcar_mipi_dsi *dsi) u32 data_lanes[4]; int ret;
- ep = of_graph_get_endpoint_by_regs(dsi->dev->of_node, 1, 0); - if (!ep) { - dev_dbg(dsi->dev, "unconnected port@1\n"); - return -ENODEV; - } - - ret = of_property_read_variable_u32_array(ep, "data-lanes", data_lanes, - 1, 4); - of_node_put(ep); - + ret = drm_of_get_data_lanes_count_ep(dsi->dev->of_node, 1, 0, 1, 4); if (ret < 0) { dev_err(dsi->dev, "missing or invalid data-lanes property\n"); - return -ENODEV; + return ret; }
dsi->num_data_lanes = ret;