diff options
| author | Dave Jiang <dave.jiang@intel.com> | 2015-06-24 19:49:59 +0200 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2015-07-07 06:24:32 +0200 |
| commit | 7618d0359c167d89d7e904a00487be4945c10a65 (patch) | |
| tree | 65b21e58d2622d55a91e243ce5657d20c9d4758d /drivers/dma/ioat | |
| parent | dmaengine: Use Pointer xt after NULL check. (diff) | |
| download | linux-7618d0359c167d89d7e904a00487be4945c10a65.tar.xz linux-7618d0359c167d89d7e904a00487be4945c10a65.zip | |
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>
Diffstat (limited to 'drivers/dma/ioat')
| -rw-r--r-- | drivers/dma/ioat/dma_v3.c | 3 |
1 files changed, 3 insertions, 0 deletions
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; |