Convert driver to use this new helper to standardize
OF "data-lanes" parsing.
Signed-off-by: Marek Vasut <marex@xxxxxxx>
Cc: Andrzej Hajda <andrzej.hajda@xxxxxxxxx>
Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Cc: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
Cc: Maxime Ripard <maxime@xxxxxxxxxx>
Cc: Robert Foss <robert.foss@xxxxxxxxxx>
Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
To: dri-devel@xxxxxxxxxxxxxxxxxxxxx
---
drivers/gpu/drm/bridge/tc358775.c | 20 +++++---------------
1 file changed, 5 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/bridge/tc358775.c b/drivers/gpu/drm/bridge/tc358775.c
index 62a7ef352daa5..7abb8ae3df2ff 100644
--- a/drivers/gpu/drm/bridge/tc358775.c
+++ b/drivers/gpu/drm/bridge/tc358775.c
@@ -530,7 +530,7 @@ static int tc358775_parse_dt(struct device_node *np, struct tc_data *tc)
struct device_node *parent;
struct device_node *remote;
struct property *prop;
- int len = 0;
+ int dsi_lanes, len = 0;
/*
* To get the data-lanes of dsi, we need to access the dsi0_out of port1
@@ -544,25 +544,15 @@ static int tc358775_parse_dt(struct device_node *np, struct tc_data *tc)
of_node_put(endpoint);
if (parent) {
/* dsi0 port 1 */
- endpoint = of_graph_get_endpoint_by_regs(parent, 1, -1);
+ dsi_lanes = drm_of_get_data_lanes_ep(parent, 1, -1, 1, 4);
of_node_put(parent);
- if (endpoint) {
- prop = of_find_property(endpoint, "data-lanes",
- &len);
- of_node_put(endpoint);
- if (!prop) {
- dev_err(tc->dev,
- "failed to find data lane\n");
- return -EPROBE_DEFER;
- }
- }
}
}
- tc->num_dsi_lanes = len / sizeof(u32);
+ if (dsi_lanes < 0)
+ return dsi_lanes;
- if (tc->num_dsi_lanes < 1 || tc->num_dsi_lanes > 4)
- return -EINVAL;
+ tc->num_dsi_lanes = dsi_lanes;
tc->host_node = of_graph_get_remote_node(np, 0, 0);
if (!tc->host_node)
--
2.35.1
