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drm/bridge: rcar: Convert to drm_of_get_data_lanes_count_ep

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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/20220524010522.528569-11-marex@denx.de
This commit is contained in:
Marek Vasut 2022-05-24 03:05:22 +02:00
parent 185443efa2
commit d643daaf16
1 changed files with 2 additions and 11 deletions
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13
drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c
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@ -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_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;