4 files changed, 26 insertions, 7 deletions

diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 26374b2a55a2..b48967b499da 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -62,9 +62,9 @@
 #include <linux/slab.h>
 
 static DEFINE_MUTEX(dma_list_mutex);
+static DEFINE_IDR(dma_idr);
 static LIST_HEAD(dma_device_list);
 static long dmaengine_ref_count;
-static struct idr dma_idr;
 
 /* --- sysfs implementation --- */
 
@@ -1050,8 +1050,6 @@ EXPORT_SYMBOL_GPL(dma_run_dependencies);
 
 static int __init dma_bus_init(void)
 {
-        idr_init(&dma_idr);
-        mutex_init(&dma_list_mutex);
         return class_register(&dma_devclass);
 }
 arch_initcall(dma_bus_init);
diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
index d845dc4b7103..f519c93a61e7 100644
--- a/drivers/dma/ioat/dma_v3.c
+++ b/drivers/dma/ioat/dma_v3.c
@@ -73,10 +73,10 @@
 /* provide a lookup table for setting the source address in the base or
  * extended descriptor of an xor or pq descriptor
  */
-static const u8 xor_idx_to_desc __read_mostly = 0xd0;
-static const u8 xor_idx_to_field[] __read_mostly = { 1, 4, 5, 6, 7, 0, 1, 2 };
-static const u8 pq_idx_to_desc __read_mostly = 0xf8;
-static const u8 pq_idx_to_field[] __read_mostly = { 1, 4, 5, 0, 1, 2, 4, 5 };
+static const u8 xor_idx_to_desc = 0xe0;
+static const u8 xor_idx_to_field[] = { 1, 4, 5, 6, 7, 0, 1, 2 };
+static const u8 pq_idx_to_desc = 0xf8;
+static const u8 pq_idx_to_field[] = { 1, 4, 5, 0, 1, 2, 4, 5 };
 
 static dma_addr_t xor_get_src(struct ioat_raw_descriptor *descs[2], int idx)
 {
diff --git a/drivers/dma/ioat/pci.c b/drivers/dma/ioat/pci.c
index fab37d1cf48d..5e3a40f79945 100644
--- a/drivers/dma/ioat/pci.c
+++ b/drivers/dma/ioat/pci.c
@@ -72,6 +72,17 @@ static struct pci_device_id ioat_pci_tbl[] = {
         { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_JSF8) },
         { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_JSF9) },
 
+        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_SNB0) },
+        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_SNB1) },
+        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_SNB2) },
+        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_SNB3) },
+        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_SNB4) },
+        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_SNB5) },
+        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_SNB6) },
+        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_SNB7) },
+        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_SNB8) },
+        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_SNB9) },
+
         { 0, }
 };
 MODULE_DEVICE_TABLE(pci, ioat_pci_tbl);
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index b00c4ec5056e..ae96bbe54518 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2709,6 +2709,16 @@
 #define PCI_DEVICE_ID_INTEL_ICH10_5     0x3a60
 #define PCI_DEVICE_ID_INTEL_5_3400_SERIES_LPC_MIN       0x3b00
 #define PCI_DEVICE_ID_INTEL_5_3400_SERIES_LPC_MAX       0x3b1f
+#define PCI_DEVICE_ID_INTEL_IOAT_SNB0   0x3c20
+#define PCI_DEVICE_ID_INTEL_IOAT_SNB1   0x3c21
+#define PCI_DEVICE_ID_INTEL_IOAT_SNB2   0x3c22
+#define PCI_DEVICE_ID_INTEL_IOAT_SNB3   0x3c23
+#define PCI_DEVICE_ID_INTEL_IOAT_SNB4   0x3c24
+#define PCI_DEVICE_ID_INTEL_IOAT_SNB5   0x3c25
+#define PCI_DEVICE_ID_INTEL_IOAT_SNB6   0x3c26
+#define PCI_DEVICE_ID_INTEL_IOAT_SNB7   0x3c27
+#define PCI_DEVICE_ID_INTEL_IOAT_SNB8   0x3c2e
+#define PCI_DEVICE_ID_INTEL_IOAT_SNB9   0x3c2f
 #define PCI_DEVICE_ID_INTEL_IOAT_SNB    0x402f
 #define PCI_DEVICE_ID_INTEL_5100_16     0x65f0
 #define PCI_DEVICE_ID_INTEL_5100_21     0x65f5