diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/bridge/ite-it66121.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/gpu/drm/bridge/ite-it66121.c b/drivers/gpu/drm/bridge/ite-it66121.c index 9dc41a7b9136..06b59b422c69 100644 --- a/drivers/gpu/drm/bridge/ite-it66121.c +++ b/drivers/gpu/drm/bridge/ite-it66121.c @@ -918,11 +918,23 @@ static int it66121_probe(struct i2c_client *client, return -EINVAL; ep = of_graph_get_remote_node(dev->of_node, 1, -1); - if (!ep) - return -EPROBE_DEFER; + if (!ep) { + dev_err(ctx->dev, "The endpoint is unconnected\n"); + return -EINVAL; + } + + if (!of_device_is_available(ep)) { + of_node_put(ep); + dev_err(ctx->dev, "The remote device is disabled\n"); + return -ENODEV; + } ctx->next_bridge = of_drm_find_bridge(ep); of_node_put(ep); + if (!ctx->next_bridge) { + dev_dbg(ctx->dev, "Next bridge not found, deferring probe\n"); + return -EPROBE_DEFER; + } if (!ctx->next_bridge) return -EPROBE_DEFER; |