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Diffstat (limited to 'Documentation/DMA-API.txt')
| -rw-r--r-- | Documentation/DMA-API.txt | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/DMA-API.txt b/Documentation/DMA-API.txt index 1e98a7e6bccc..45ef3f279c3b 100644 --- a/Documentation/DMA-API.txt +++ b/Documentation/DMA-API.txt @@ -236,7 +236,7 @@ are guaranteed also to be cache line boundaries). DMA_TO_DEVICE synchronisation must be done after the last modification of the memory region by the software and before it is handed off to -the driver. Once this primitive is used, memory covered by this +the device. Once this primitive is used, memory covered by this primitive should be treated as read-only by the device. If the device may write to it at any point, it should be DMA_BIDIRECTIONAL (see below). |