diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 3f568f790f39..3995483a0aa0 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -1807,6 +1807,12 @@ static int ucsi_init(struct ucsi *ucsi)
 		ret = -ENODEV;
 		goto err_reset;
 	}
+	/* Check if reserved bit set. This is out of spec but happens in buggy FW */
+	if (ucsi->cap.num_connectors & 0x80) {
+		dev_warn(ucsi->dev, "UCSI: Invalid num_connectors %d. Likely buggy FW\n",
+			 ucsi->cap.num_connectors);
+		ucsi->cap.num_connectors &= 0x7f; // clear bit and carry on
+	}
 
 	/* Allocate the connectors. Released in ucsi_unregister() */
 	connector = kcalloc(ucsi->cap.num_connectors + 1, sizeof(*connector), GFP_KERNEL);