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drm/bridge: tc358767: Convert to drm_of_get_data_lanes_count

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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: 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/20220524010522.528569-6-marex@denx.de
This commit is contained in:
Marek Vasut 2022-05-24 03:05:17 +02:00
parent 5c57cbc390
commit d8609fd1e0
1 changed files with 4 additions and 4 deletions
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8
drivers/gpu/drm/bridge/tc358767.c
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@ -1890,18 +1890,18 @@ 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),