diff --git a/drivers/pci/ats.c b/drivers/pci/ats.c
index 793d3810eda74bbce16c9bb3436bb26d3d205163..88f981bad52dabf4f9f3698b8d99c9ee1447eba1 100644
--- a/drivers/pci/ats.c
+++ b/drivers/pci/ats.c
@@ -380,7 +380,7 @@ int pci_enable_pasid(struct pci_dev *pdev, int features)
 	if (WARN_ON(pdev->pasid_enabled))
 		return -EBUSY;
 
-	if (!pdev->eetlp_prefix_path)
+	if (!pdev->eetlp_prefix_path && !pdev->pasid_no_tlp)
 		return -EINVAL;
 
 	if (!pasid)
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 936da8925d68a7a5f9b3c987e9cd4d75d3cf10a7..3db9d92a55a2026b65a7f9c7aeb95e96817e3f41 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -382,6 +382,7 @@ struct pci_dev {
 					   supported from root to here */
 	int		l1ss;		/* L1SS Capability pointer */
 #endif
+	unsigned int	pasid_no_tlp:1;		/* PASID works without TLP Prefix */
 	unsigned int	eetlp_prefix_path:1;	/* End-to-End TLP Prefix */
 
 	pci_channel_state_t error_state;	/* Current connectivity state */