Convert driver to use this new helper to standardize
OF "data-lanes" parsing.
Reviewed-by: Andrzej Hajda <andrzej.hajda@xxxxxxxxx>
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
---
V2: - Rename drm_of_get_data_lanes{,_ep} to drm_of_get_data_lanes_count{,_ep}
- Add RB from Andrzej
---
drivers/gpu/drm/bridge/tc358767.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
index cec0f50f4874f..44f32bf483c51 100644
--- a/drivers/gpu/drm/bridge/tc358767.c
+++ b/drivers/gpu/drm/bridge/tc358767.c
@@ -1889,18 +1889,18 @@ 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),
--
2.35.1
