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-rw-r--r-- | Documentation/dma-buf-sharing.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/dma-buf-sharing.txt b/Documentation/dma-buf-sharing.txt index 510eab32f392..225f96d88f55 100644 --- a/Documentation/dma-buf-sharing.txt +++ b/Documentation/dma-buf-sharing.txt | |||
@@ -219,6 +219,10 @@ NOTES: | |||
219 | If the exporter chooses not to allow an attach() operation once a | 219 | If the exporter chooses not to allow an attach() operation once a |
220 | map_dma_buf() API has been called, it simply returns an error. | 220 | map_dma_buf() API has been called, it simply returns an error. |
221 | 221 | ||
222 | Miscellaneous notes: | ||
223 | - Any exporters or users of the dma-buf buffer sharing framework must have | ||
224 | a 'select DMA_SHARED_BUFFER' in their respective Kconfigs. | ||
225 | |||
222 | References: | 226 | References: |
223 | [1] struct dma_buf_ops in include/linux/dma-buf.h | 227 | [1] struct dma_buf_ops in include/linux/dma-buf.h |
224 | [2] All interfaces mentioned above defined in include/linux/dma-buf.h | 228 | [2] All interfaces mentioned above defined in include/linux/dma-buf.h |