From 9ca1c5f2ab9d5bc8955a2cc7ad36ba7074dd7c60 Mon Sep 17 00:00:00 2001 From: Dave Jiang Date: Fri, 13 Feb 2015 12:23:53 -0700 Subject: [PATCH] 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 Acked-by: Dan Williams Signed-off-by: Vinod Koul --- drivers/dma/ioat/dma_v3.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c index 77a6dcf25b98..194ec20c9408 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; -- 2.30.2