diff --git a/core/pld/src/pld_common.c b/core/pld/src/pld_common.c
index 04d67212004a..64cc7206f646 100644
--- a/core/pld/src/pld_common.c
+++ b/core/pld/src/pld_common.c
@@ -1482,7 +1482,7 @@ int pld_is_qmi_disable(struct device *dev)
  *
  *  Return: 1 FW is down
  *          0 FW is not down
- *          Non zero failure code for errors
+ *          Always return 0 for unsupported bus type
  */
 int pld_is_fw_down(struct device *dev)
 {
@@ -1493,6 +1493,10 @@ int pld_is_fw_down(struct device *dev)
 	case PLD_BUS_TYPE_SNOC:
 		ret = pld_snoc_is_fw_down(dev);
 		break;
+	case PLD_BUS_TYPE_PCIE:
+	case PLD_BUS_TYPE_SDIO:
+	case PLD_BUS_TYPE_USB:
+		break;
 	default:
 		pr_err("Invalid device type %d\n", type);
 		ret = -EINVAL;