From 7618d0359c167d89d7e904a00487be4945c10a65 Mon Sep 17 00:00:00 2001 From: Dave Jiang Date: Wed, 24 Jun 2015 10:49:59 -0700 Subject: [PATCH] dmaengine: ioatdma: Set non RAID channels to be private capable This allows claiming of non-RAID channels as a private channel. This prevents breakage of MDRAID using the IOATDMA channels via async_tx but also allows agents such as NTB to claim channels exclusively for its usages. Signed-off-by: Dave Jiang Signed-off-by: Vinod Koul --- drivers/dma/ioat/dma_v3.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c index 64790a45ef5d..8fbffd038113 100644 --- a/drivers/dma/ioat/dma_v3.c +++ b/drivers/dma/ioat/dma_v3.c @@ -1694,6 +1694,9 @@ int ioat3_dma_probe(struct ioatdma_device *device, int dca) } } + if (!(device->cap & (IOAT_CAP_XOR | IOAT_CAP_PQ))) + dma_cap_set(DMA_PRIVATE, dma->cap_mask); + err = ioat_probe(device); if (err) return err; -- 2.11.0