From 4af48f1d1d0a6f050ffcfe83e939c9455d51267f Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Tue, 24 May 2022 03:05:14 +0200 Subject: [PATCH] drm/bridge: icn6211: Convert to drm_of_get_data_lanes_count_ep Convert driver to use this new helper to standardize OF "data-lanes" parsing. Reviewed-by: Andrzej Hajda Signed-off-by: Marek Vasut Cc: Andrzej Hajda Cc: Jagan Teki Cc: Laurent Pinchart Cc: Lucas Stach Cc: Maxime Ripard Cc: Robert Foss Cc: Sam Ravnborg To: dri-devel@lists.freedesktop.org Link: https://patchwork.freedesktop.org/patch/msgid/20220524010522.528569-3-marex@denx.de --- drivers/gpu/drm/bridge/chipone-icn6211.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/bridge/chipone-icn6211.c b/drivers/gpu/drm/bridge/chipone-icn6211.c index 2b8cf64cbd80..d25bc62bfebd 100644 --- a/drivers/gpu/drm/bridge/chipone-icn6211.c +++ b/drivers/gpu/drm/bridge/chipone-icn6211.c @@ -498,21 +498,18 @@ static int chipone_dsi_attach(struct chipone *icn) { struct mipi_dsi_device *dsi = icn->dsi; struct device *dev = icn->dev; - struct device_node *endpoint; int dsi_lanes, ret; - endpoint = of_graph_get_endpoint_by_regs(dev->of_node, 0, 0); - dsi_lanes = of_property_count_u32_elems(endpoint, "data-lanes"); - of_node_put(endpoint); + dsi_lanes = drm_of_get_data_lanes_count_ep(dev->of_node, 0, 0, 1, 4); /* * If the 'data-lanes' property does not exist in DT or is invalid, * default to previously hard-coded behavior, which was 4 data lanes. */ - if (dsi_lanes >= 1 && dsi_lanes <= 4) - icn->dsi->lanes = dsi_lanes; - else + if (dsi_lanes < 0) icn->dsi->lanes = 4; + else + icn->dsi->lanes = dsi_lanes; dsi->format = MIPI_DSI_FMT_RGB888; dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |