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authorDave Jiang <dave.jiang@intel.com>2015-02-13 19:23:53 (GMT)
committerVinod Koul <vinod.koul@intel.com>2015-03-05 09:02:02 (GMT)
commit9ca1c5f2ab9d5bc8955a2cc7ad36ba7074dd7c60 (patch)
treef9fd354c95eb25494169a8052fcc901f2a461cb1
parent6eb9d3c1e9c5977f7fe6be125006443e7da2427c (diff)
downloadlinux-9ca1c5f2ab9d5bc8955a2cc7ad36ba7074dd7c60.tar.xz
dmaengine: ioatdma: workaround for incorrect DMACAP register
BDX-DE IOATDMA reports incorrect DMACAP register for PQ related ops. Ignoring those bits. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Acked-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
-rw-r--r--drivers/dma/ioat/dma_v3.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
index 77a6dcf..194ec20 100644
--- a/drivers/dma/ioat/dma_v3.c
+++ b/drivers/dma/ioat/dma_v3.c
@@ -230,6 +230,10 @@ static bool is_bwd_noraid(struct pci_dev *pdev)
switch (pdev->device) {
case PCI_DEVICE_ID_INTEL_IOAT_BWD2:
case PCI_DEVICE_ID_INTEL_IOAT_BWD3:
+ 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;