dma-buf: Documentation update for Kconfig select

[karo-tx-linux.git] / Documentation / dma-buf-sharing.txt

diff --git a/Documentation/dma-buf-sharing.txt b/Documentation/dma-buf-sharing.txt
index 510eab32f392066233fba702b83a123ec6e2d9c4..225f96d88f55e055ff3f3c089f24b5f93d6d275b 100644 (file)
--- 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.
+
 References:
 [1] struct dma_buf_ops in include/linux/dma-buf.h
 [2] All interfaces mentioned above defined in include/linux/dma-buf.h