diff mbox series

[v2,1/2] drm/bridge: tc358767: Handle dsi_lanes == 0 as invalid

Message ID 20220519095137.11896-1-marex@denx.de (mailing list archive)
State New, archived
Headers show
Series [v2,1/2] drm/bridge: tc358767: Handle dsi_lanes == 0 as invalid | expand

Commit Message

Marek Vasut May 19, 2022, 9:51 a.m. UTC 
Handle empty data-lanes = < >; property, which translates to
dsi_lanes = 0 as invalid.

Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Fixes: bbfd3190b6562 ("drm/bridge: tc358767: Add DSI-to-DPI mode support")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Jonas Karlman <jonas@kwiboo.se>
Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Marek Vasut <marex@denx.de>
Cc: Maxime Ripard <maxime@cerno.tech>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Robert Foss <robert.foss@linaro.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
---
V2: - Add RB from Andrzej and Lucas
---
 drivers/gpu/drm/bridge/tc358767.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
index 798da0e4d0863..f78c2ad845159 100644
--- a/drivers/gpu/drm/bridge/tc358767.c
+++ b/drivers/gpu/drm/bridge/tc358767.c
@@ -1899,7 +1899,7 @@  static int tc_mipi_dsi_host_attach(struct tc_data *tc)
 	of_node_put(host_node);
 	of_node_put(endpoint);
 
-	if (dsi_lanes < 0 || dsi_lanes > 4)
+	if (dsi_lanes <= 0 || dsi_lanes > 4)
 		return -EINVAL;
 
 	if (!host)