Adding PCI device IDs and hooks in workarounds for Broadwell DE ioatdma.
Signed-off-by: Dave Jiang <dave.jiang@xxxxxxxxx>
---
drivers/dma/ioat/dma_v3.c | 5 +++++
drivers/dma/ioat/hw.h | 5 +++++
drivers/dma/ioat/pci.c | 5 +++++
3 files changed, 15 insertions(+)
diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
index be307182..61510ab 100644
--- a/drivers/dma/ioat/dma_v3.c
+++ b/drivers/dma/ioat/dma_v3.c
@@ -214,6 +214,11 @@ static bool is_bwd_ioat(struct pci_dev *pdev)
case PCI_DEVICE_ID_INTEL_IOAT_BWD1:
case PCI_DEVICE_ID_INTEL_IOAT_BWD2:
case PCI_DEVICE_ID_INTEL_IOAT_BWD3:
+ /* even though not Atom, BDX-DE has same DMA silicon */
+ case PCI_DEVICE_ID_INTEL_IOAT_BDXDE0:
+ case PCI_DEVICE_ID_INTEL_IOAT_BDXDE1:
+ case PCI_DEVICE_ID_INTEL_IOAT_BDXDE2:
+ case PCI_DEVICE_ID_INTEL_IOAT_BDXDE3:
return true;
default:
return false;
diff --git a/drivers/dma/ioat/hw.h b/drivers/dma/ioat/hw.h
index 62f83e9..02177ec 100644
--- a/drivers/dma/ioat/hw.h
+++ b/drivers/dma/ioat/hw.h
@@ -57,6 +57,11 @@
#define PCI_DEVICE_ID_INTEL_IOAT_BWD2 0x0C52
#define PCI_DEVICE_ID_INTEL_IOAT_BWD3 0x0C53
+#define PCI_DEVICE_ID_INTEL_IOAT_BDXDE0 0x6f50
+#define PCI_DEVICE_ID_INTEL_IOAT_BDXDE1 0x6f51
+#define PCI_DEVICE_ID_INTEL_IOAT_BDXDE2 0x6f52
+#define PCI_DEVICE_ID_INTEL_IOAT_BDXDE3 0x6f53
+
#define IOAT_VER_1_2 0x12 /* Version 1.2 */
#define IOAT_VER_2_0 0x20 /* Version 2.0 */
#define IOAT_VER_3_0 0x30 /* Version 3.0 */
diff --git a/drivers/dma/ioat/pci.c b/drivers/dma/ioat/pci.c
index 1d051cd..5501eb0 100644
--- a/drivers/dma/ioat/pci.c
+++ b/drivers/dma/ioat/pci.c
@@ -111,6 +111,11 @@ static struct pci_device_id ioat_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_BWD2) },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_BWD3) },
+ { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_BDXDE0) },
+ { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_BDXDE1) },
+ { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_BDXDE2) },
+ { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_BDXDE3) },
+
{ 0, }
};
MODULE_DEVICE_TABLE(pci, ioat_pci_tbl);
--
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