Commit 1db4b526 authored by Marek Vasut's avatar Marek Vasut
Browse files

drm/bridge: lt8912: 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: Adrien Grassein <adrien.grassein@gmail.com>
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/20220524010522.528569-4-marex@denx.de
parent 4af48f1d

drivers/gpu/drm/bridge/lontium-lt8912b.c

+2 −7
Original line number Diff line number Diff line
@@ -607,7 +607,6 @@ static int lt8912_parse_dt(struct lt8912 *lt) 
	int ret;

	int data_lanes;

	struct device_node *port_node;

	struct device_node *endpoint;



	gp_reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);

	if (IS_ERR(gp_reset)) {
@@ -618,16 +617,12 @@ static int lt8912_parse_dt(struct lt8912 *lt) 
	}

	lt->gp_reset = gp_reset;



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

	if (!endpoint)

		return -ENODEV;



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

	of_node_put(endpoint);

	data_lanes = drm_of_get_data_lanes_count_ep(dev->of_node, 0, -1, 1, 4);

	if (data_lanes < 0) {

		dev_err(lt->dev, "%s: Bad data-lanes property\n", __func__);

		return data_lanes;

	}



	lt->data_lanes = data_lanes;



	lt->host_node = of_graph_get_remote_node(dev->of_node, 0, -1);