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>

diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
index 77a6dcf..194ec20 100644 (file)
--- 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;