From 1db4b5264819a8e3aa62e38287bf1da2e1dc8894 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Tue, 24 May 2022 03:05:15 +0200 Subject: 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: Andrzej Hajda Signed-off-by: Marek Vasut Cc: Adrien Grassein Cc: Andrzej Hajda Cc: Laurent Pinchart Cc: Lucas Stach Cc: Maxime Ripard Cc: Robert Foss Cc: Sam Ravnborg To: dri-devel@lists.freedesktop.org Link: https://patchwork.freedesktop.org/patch/msgid/20220524010522.528569-4-marex@denx.de --- drivers/gpu/drm/bridge/lontium-lt8912b.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bridge/lontium-lt8912b.c index c642d1e02b2f..c92515834ff2 100644 --- a/drivers/gpu/drm/bridge/lontium-lt8912b.c +++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c @@ -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); -- cgit v1.2.3