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dma-buf: Documentation update for Kconfig select

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As per Linus' comment, dma-buf Kconfig entry shouldn't have an option
text, but should be selected by the subsystems that use it.

Add this information in the documentation as well.

Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Sumit Semwal 2012-01-13 15:15:05 +05:30 committed by Dave Airlie
parent d099230cc3
commit 081794564e
1 changed files with 4 additions and 0 deletions
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4
Documentation/dma-buf-sharing.txt
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@ -219,6 +219,10 @@ NOTES:
If the exporter chooses not to allow an attach() operation once a If the exporter chooses not to allow an attach() operation once a
map_dma_buf() API has been called, it simply returns an error. map_dma_buf() API has been called, it simply returns an error.
Miscellaneous notes:
- Any exporters or users of the dma-buf buffer sharing framework must have
a 'select DMA_SHARED_BUFFER' in their respective Kconfigs.
References: References:
[1] struct dma_buf_ops in include/linux/dma-buf.h [1] struct dma_buf_ops in include/linux/dma-buf.h
[2] All interfaces mentioned above defined in include/linux/dma-buf.h [2] All interfaces mentioned above defined in include/linux/dma-buf.h