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author | Dave Jiang <dave.jiang@intel.com> | 2019-02-22 19:59:59 +0300 |
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committer | Vinod Koul <vkoul@kernel.org> | 2019-02-25 09:48:38 +0300 |
commit | 11e31e281bd8f482a9277268f7b0d9c213584271 (patch) | |
tree | da78d45b537b56b9ea95f236040dcad92d610cd6 /drivers/dma/ioat/hw.h | |
parent | 4d75873f814055359bb6722c4e35a185d02157a8 (diff) | |
download | linux-11e31e281bd8f482a9277268f7b0d9c213584271.tar.xz |
dmaengine: ioatdma: disable DCA enabling on IOATDMA v3.4
IOATDMA v3.4 does not support DCA. Disable
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/ioat/hw.h')
-rw-r--r-- | drivers/dma/ioat/hw.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/dma/ioat/hw.h b/drivers/dma/ioat/hw.h index 3e38877cae6b..781c94de8e81 100644 --- a/drivers/dma/ioat/hw.h +++ b/drivers/dma/ioat/hw.h @@ -73,6 +73,7 @@ #define IOAT_VER_3_0 0x30 /* Version 3.0 */ #define IOAT_VER_3_2 0x32 /* Version 3.2 */ #define IOAT_VER_3_3 0x33 /* Version 3.3 */ +#define IOAT_VER_3_4 0x34 /* Version 3.4 */ int system_has_dca_enabled(struct pci_dev *pdev); |