diff options
Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c b/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c index 891bb956fd61..62f7eb84ab01 100644 --- a/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c +++ b/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * rcar_mipi_dsi.c -- R-Car MIPI DSI Encoder + * R-Car MIPI DSI Encoder * * Copyright (C) 2020 Renesas Electronics Corporation */ @@ -679,23 +679,12 @@ static const struct mipi_dsi_host_ops rcar_mipi_dsi_host_ops = { static int rcar_mipi_dsi_parse_dt(struct rcar_mipi_dsi *dsi) { - struct device_node *ep; - 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_count_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; |