summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm
diff options
context:
space:
mode:
authorMarek Vasut <marex@denx.de>2022-05-24 04:05:15 +0300
committerMarek Vasut <marex@denx.de>2022-06-12 13:22:24 +0300
commit1db4b5264819a8e3aa62e38287bf1da2e1dc8894 (patch)
tree6c9705b5116ab6d0e9852012821bcc0725ab522d /drivers/gpu/drm
parent4af48f1d1d0a6f050ffcfe83e939c9455d51267f (diff)
downloadlinux-1db4b5264819a8e3aa62e38287bf1da2e1dc8894.tar.xz
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 <andrzej.hajda@intel.com> Signed-off-by: Marek 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
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/bridge/lontium-lt8912b.c9
1 files 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);