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/rcar-du/rcar_mipi_dsi.c | 13 ++-----------
1 file changed, 2 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c b/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c
index 891bb956fd61b..915c74c0a37fd 100644
--- a/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c
+++ b/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c
@@ -683,19 +683,10 @@ static int rcar_mipi_dsi_parse_dt(struct rcar_mipi_dsi *dsi)
u32 data_lanes[4];
int ret;
- ep = of_graph_get_endpoint_by_regs(dsi->dev->of_node, 1, 0);
- if (!ep) {
- dev_dbg(dsi->dev, "unconnected port@1\n");
- return -ENODEV;
- }
-
- ret = of_property_read_variable_u32_array(ep, "data-lanes", data_lanes,
- 1, 4);
- of_node_put(ep);
-
+ ret = drm_of_get_data_lanes_ep(dsi->dev->of_node, 1, 0, 1, 4);
if (ret < 0) {
dev_err(dsi->dev, "missing or invalid data-lanes property\n");
- return -ENODEV;
+ return ret;
}
dsi->num_data_lanes = ret;
--
2.35.1
