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>
diff --git a/Documentation/dma-buf-sharing.txt b/Documentation/dma-buf-sharing.txt
index 510eab3..225f96d 100644
--- a/Documentation/dma-buf-sharing.txt
+++ b/Documentation/dma-buf-sharing.txt
@@ -219,6 +219,10 @@
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.
+
References:
[1] struct dma_buf_ops in include/linux/dma-buf.h
[2] All interfaces mentioned above defined in include/linux/dma-buf.h