Handle empty data-lanes = < >; property, which translates to
dsi_lanes = 0 as invalid.
Reviewed-by: Andrzej Hajda <andrzej.ha...@intel.com>
Reviewed-by: Lucas Stach <l.st...@pengutronix.de>
Fixes: bbfd3190b6562 ("drm/bridge: tc358767: Add DSI-to-DPI mode support")
Signed-off-by: Marek Vasut <ma...@denx.de>
Cc: Jonas Karlman <jo...@kwiboo.se>
Cc: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Cc: Lucas Stach <l.st...@pengutronix.de>
Cc: Marek Vasut <ma...@denx.de>
Cc: Maxime Ripard <max...@cerno.tech>
Cc: Neil Armstrong <narmstr...@baylibre.com>
Cc: Robert Foss <robert.f...@linaro.org>
Cc: Sam Ravnborg <s...@ravnborg.org>
---
V2: - Add RB from Andrzej and Lucas
---
drivers/gpu/drm/bridge/tc358767.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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)
--
2.35.1
