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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 <dave.jiang@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Dave Jiang 2015-06-24 10:49:59 -07:00 committed by Vinod Koul
parent 4483320e24
commit 7618d0359c
1 changed files with 3 additions and 0 deletions
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3
drivers/dma/ioat/dma_v3.c
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@ -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;