path: root/Documentation/dma-buf-sharing.txt
diff options
authorSumit Semwal <sumit.semwal@ti.com>2012-01-13 15:15:05 +0530
committerDave Airlie <airlied@redhat.com>2012-01-13 10:27:33 +0000
commit081794564e3000e602de290d1121792c33b475a4 (patch)
tree60a29b4a679036bec42ec8a6ff3b5e611c655348 /Documentation/dma-buf-sharing.txt
parentd099230cc355c485e556121c034b1fca5a5fd18b (diff)
dma-buf: Documentation update for Kconfig select
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>
Diffstat (limited to 'Documentation/dma-buf-sharing.txt')
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/dma-buf-sharing.txt b/Documentation/dma-buf-sharing.txt
index 510eab32f39..225f96d88f5 100644
--- a/Documentation/dma-buf-sharing.txt
+++ b/Documentation/dma-buf-sharing.txt
@@ -219,6 +219,10 @@ NOTES:
If the exporter chooses not to allow an attach() operation once a
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.
[1] struct dma_buf_ops in include/linux/dma-buf.h
[2] All interfaces mentioned above defined in include/linux/dma-buf.h