Commit d8609fd1 authored by Marek Vasut's avatar Marek Vasut
Browse files

drm/bridge: tc358767: Convert to drm_of_get_data_lanes_count 



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/20220524010522.528569-6-marex@denx.de
parent 5c57cbc3

drivers/gpu/drm/bridge/tc358767.c

+4 −4
Original line number Diff line number Diff line
@@ -1890,18 +1890,18 @@ static int tc_mipi_dsi_host_attach(struct tc_data *tc) 
	int dsi_lanes, ret;



	endpoint = of_graph_get_endpoint_by_regs(dev->of_node, 0, -1);

	dsi_lanes = of_property_count_u32_elems(endpoint, "data-lanes");

	dsi_lanes = drm_of_get_data_lanes_count(endpoint, 1, 4);

	host_node = of_graph_get_remote_port_parent(endpoint);

	host = of_find_mipi_dsi_host_by_node(host_node);

	of_node_put(host_node);

	of_node_put(endpoint);



	if (dsi_lanes <= 0 || dsi_lanes > 4)

		return -EINVAL;



	if (!host)

		return -EPROBE_DEFER;



	if (dsi_lanes < 0)

		return dsi_lanes;



	dsi = mipi_dsi_device_register_full(host, &info);

	if (IS_ERR(dsi))

		return dev_err_probe(dev, PTR_ERR(dsi),