drm/bridge: anx7625: Convert to drm_of_get_data_lanes_count

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>
Cc: Xin Ji <xji@analogixsemi.com>
To: dri-devel@lists.freedesktop.org
Link: https://patchwork.freedesktop.org/patch/msgid/20220524010522.528569-2-marex@denx.de

diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
index e92eb4a407452e9cb2c2407c11d519cc9614d731..bbdca16db0d671c2b444a528127dc046bf793c5b 100644 (file)
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -1637,16 +1637,16 @@ static int anx7625_parse_dt(struct device *dev,
                if (of_property_read_u32(ep0, "bus-type", &bus_type))
                        bus_type = 0;
 
-               mipi_lanes = of_property_count_u32_elems(ep0, "data-lanes");
+               mipi_lanes = drm_of_get_data_lanes_count(ep0, 1, MAX_LANES_SUPPORT);
                of_node_put(ep0);
        }
 
        if (bus_type == V4L2_FWNODE_BUS_TYPE_PARALLEL) /* bus type is Parallel(DSI) */
                pdata->is_dpi = 0;
 
-       pdata->mipi_lanes = mipi_lanes;
-       if (pdata->mipi_lanes > MAX_LANES_SUPPORT || pdata->mipi_lanes <= 0)
-               pdata->mipi_lanes = MAX_LANES_SUPPORT;
+       pdata->mipi_lanes = MAX_LANES_SUPPORT;
+       if (mipi_lanes > 0)
+               pdata->mipi_lanes = mipi_lanes;
 
        if (pdata->is_dpi)
                DRM_DEV_DEBUG_DRIVER(dev, "found MIPI DPI host node.\n");