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Diffstat (limited to 'Documentation/DMA-API.txt')
| -rw-r--r-- | Documentation/DMA-API.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/DMA-API.txt b/Documentation/DMA-API.txt index cc7a8c39fb6f..b939ebb62871 100644 --- a/Documentation/DMA-API.txt +++ b/Documentation/DMA-API.txt | |||
| @@ -68,6 +68,9 @@ size and dma_handle must all be the same as those passed into the | |||
| 68 | consistent allocate. cpu_addr must be the virtual address returned by | 68 | consistent allocate. cpu_addr must be the virtual address returned by |
| 69 | the consistent allocate. | 69 | the consistent allocate. |
| 70 | 70 | ||
| 71 | Note that unlike their sibling allocation calls, these routines | ||
| 72 | may only be called with IRQs enabled. | ||
| 73 | |||
| 71 | 74 | ||
| 72 | Part Ib - Using small dma-coherent buffers | 75 | Part Ib - Using small dma-coherent buffers |
| 73 | ------------------------------------------ | 76 | ------------------------------------------ |