2 files changed, 23 insertions, 2 deletions

diff --git a/drivers/dma/ioat/dma_v2.c b/drivers/dma/ioat/dma_v2.c
index 86895760b598..b9d667851445 100644
--- a/drivers/dma/ioat/dma_v2.c
+++ b/drivers/dma/ioat/dma_v2.c
@@ -434,12 +434,11 @@ static struct ioat_ring_ent *ioat2_alloc_ring_ent(struct dma_chan *chan, gfp_t f
                 return NULL;
         memset(hw, 0, sizeof(*hw));
 
-        desc = kmem_cache_alloc(ioat2_cache, flags);
+        desc = kmem_cache_zalloc(ioat2_cache, flags);
         if (!desc) {
                 pci_pool_free(dma->dma_pool, hw, phys);
                 return NULL;
         }
-        memset(desc, 0, sizeof(*desc));
 
         dma_async_tx_descriptor_init(&desc->txd, chan);
         desc->txd.tx_submit = ioat2_tx_submit_unlock;
diff --git a/drivers/dma/ioat/pci.c b/drivers/dma/ioat/pci.c
index 5e3a40f79945..c0573061b45d 100644
--- a/drivers/dma/ioat/pci.c
+++ b/drivers/dma/ioat/pci.c
@@ -40,6 +40,17 @@ MODULE_VERSION(IOAT_DMA_VERSION);
 MODULE_LICENSE("Dual BSD/GPL");
 MODULE_AUTHOR("Intel Corporation");
 
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB0   0x0e20
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB1   0x0e21
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB2   0x0e22
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB3   0x0e23
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB4   0x0e24
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB5   0x0e25
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB6   0x0e26
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB7   0x0e27
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB8   0x0e2e
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB9   0x0e2f
+
 static struct pci_device_id ioat_pci_tbl[] = {
         /* I/OAT v1 platforms */
         { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT) },
@@ -83,6 +94,17 @@ static struct pci_device_id ioat_pci_tbl[] = {
         { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_SNB8) },
         { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_SNB9) },
 
+        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_IVB0) },
+        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_IVB1) },
+        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_IVB2) },
+        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_IVB3) },
+        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_IVB4) },
+        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_IVB5) },
+        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_IVB6) },
+        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_IVB7) },
+        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_IVB8) },
+        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_IVB9) },
+
         { 0, }
 };
 MODULE_DEVICE_TABLE(pci, ioat_pci_tbl);