Commit d643daaf authored by Marek Vasut's avatar Marek Vasut
Browse files

drm/bridge: rcar: Convert to drm_of_get_data_lanes_count_ep 



Convert driver to use this new helper to standardize
OF "data-lanes" parsing.

Reviewed-by: default avatarAndrzej Hajda <andrzej.hajda@intel.com>
Signed-off-by: default avatarMarek 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
Link: https://patchwork.freedesktop.org/patch/msgid/20220524010522.528569-11-marex@denx.de
parent 185443ef

drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c

+2 −11
Original line number Diff line number Diff line
@@ -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;