diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index 25914d3..f05f3cf 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -19,6 +19,7 @@
* along with this program. If not, see .
*/
+#include
#include
#include
#include
@@ -167,13 +168,18 @@ void iommu_put_dma_cookie(struct iommu_domain *domain)
*
* IOMMU drivers can use this to implement their .get_resv_regions callback
* for general non-IOMMU-specific reservations. Currently, this covers host
- * bridge windows for PCI devices.
+ * bridge windows for PCI devices and GICv3 ITS region reservation on ACPI
+ * based ARM platforms that may require HW MSI reservation.
*/
void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list)
{
struct pci_host_bridge *bridge;
struct resource_entry *window;
+ if (!is_of_node(dev->iommu_fwspec->iommu_fwnode) &&
+ iort_iommu_msi_get_resv_regions(dev, list) < 0)
+ return;
+
if (!dev_is_pci(dev))
return;