diff --git a/drivers/dma/ioatdma.c b/drivers/dma/ioatdma.c
index 81810b3..5fbe56b 100644
--- a/drivers/dma/ioatdma.c
+++ b/drivers/dma/ioatdma.c
@@ -517,6 +517,8 @@
 
 static struct pci_device_id ioat_pci_tbl[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IOAT) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_UNISYS,
+		     PCI_DEVICE_ID_UNISYS_DMA_DIRECTOR) },
 	{ 0, }
 };
 
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 5b1c999..0275f69 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -475,6 +475,9 @@
 #define PCI_DEVICE_ID_IBM_ICOM_V2_ONE_PORT_RVX_ONE_PORT_MDM_PCIE 0x0361
 #define PCI_DEVICE_ID_IBM_ICOM_FOUR_PORT_MODEL	0x252
 
+#define PCI_VENDOR_ID_UNISYS		0x1018
+#define PCI_DEVICE_ID_UNISYS_DMA_DIRECTOR 0x001C
+
 #define PCI_VENDOR_ID_COMPEX2		0x101a /* pci.ids says "AT&T GIS (NCR)" */
 #define PCI_DEVICE_ID_COMPEX2_100VG	0x0005