Convert driver to use this new helper to standardize OF "data-lanes" parsing.
Signed-off-by: Marek Vasut <[email protected]> Cc: Andrzej Hajda <[email protected]> Cc: Laurent Pinchart <[email protected]> Cc: Lucas Stach <[email protected]> Cc: Maxime Ripard <[email protected]> Cc: Robert Foss <[email protected]> Cc: Sam Ravnborg <[email protected]> To: [email protected] --- drivers/gpu/drm/bridge/tc358775.c | 20 +++++--------------- 1 file changed, 5 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/bridge/tc358775.c b/drivers/gpu/drm/bridge/tc358775.c index 62a7ef352daa5..7abb8ae3df2ff 100644 --- a/drivers/gpu/drm/bridge/tc358775.c +++ b/drivers/gpu/drm/bridge/tc358775.c @@ -530,7 +530,7 @@ static int tc358775_parse_dt(struct device_node *np, struct tc_data *tc) struct device_node *parent; struct device_node *remote; struct property *prop; - int len = 0; + int dsi_lanes, len = 0; /* * To get the data-lanes of dsi, we need to access the dsi0_out of port1 @@ -544,25 +544,15 @@ static int tc358775_parse_dt(struct device_node *np, struct tc_data *tc) of_node_put(endpoint); if (parent) { /* dsi0 port 1 */ - endpoint = of_graph_get_endpoint_by_regs(parent, 1, -1); + dsi_lanes = drm_of_get_data_lanes_ep(parent, 1, -1, 1, 4); of_node_put(parent); - if (endpoint) { - prop = of_find_property(endpoint, "data-lanes", - &len); - of_node_put(endpoint); - if (!prop) { - dev_err(tc->dev, - "failed to find data lane\n"); - return -EPROBE_DEFER; - } - } } } - tc->num_dsi_lanes = len / sizeof(u32); + if (dsi_lanes < 0) + return dsi_lanes; - if (tc->num_dsi_lanes < 1 || tc->num_dsi_lanes > 4) - return -EINVAL; + tc->num_dsi_lanes = dsi_lanes; tc->host_node = of_graph_get_remote_node(np, 0, 0); if (!tc->host_node) -- 2.35.1
