diff options
Diffstat (limited to 'include/linux/dmaengine.h')
-rw-r--r-- | include/linux/dmaengine.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 1012f1abcb54..4d6c1c925fd4 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h | |||
@@ -87,6 +87,8 @@ enum dma_transaction_type { | |||
87 | * @DMA_PREP_CONTINUE - indicate to a driver that it is reusing buffers as | 87 | * @DMA_PREP_CONTINUE - indicate to a driver that it is reusing buffers as |
88 | * sources that were the result of a previous operation, in the case of a PQ | 88 | * sources that were the result of a previous operation, in the case of a PQ |
89 | * operation it continues the calculation with new sources | 89 | * operation it continues the calculation with new sources |
90 | * @DMA_PREP_FENCE - tell the driver that subsequent operations depend | ||
91 | * on the result of this operation | ||
90 | */ | 92 | */ |
91 | enum dma_ctrl_flags { | 93 | enum dma_ctrl_flags { |
92 | DMA_PREP_INTERRUPT = (1 << 0), | 94 | DMA_PREP_INTERRUPT = (1 << 0), |
@@ -98,6 +100,7 @@ enum dma_ctrl_flags { | |||
98 | DMA_PREP_PQ_DISABLE_P = (1 << 6), | 100 | DMA_PREP_PQ_DISABLE_P = (1 << 6), |
99 | DMA_PREP_PQ_DISABLE_Q = (1 << 7), | 101 | DMA_PREP_PQ_DISABLE_Q = (1 << 7), |
100 | DMA_PREP_CONTINUE = (1 << 8), | 102 | DMA_PREP_CONTINUE = (1 << 8), |
103 | DMA_PREP_FENCE = (1 << 9), | ||
101 | }; | 104 | }; |
102 | 105 | ||
103 | /** | 106 | /** |