dma-debug: add dumping facility via debugfs

[linux-2.6-block.git] / Documentation / DMA-API.txt

diff --git a/Documentation/DMA-API.txt b/Documentation/DMA-API.txt
index e133ccd60228044ac1bce9026082bd5b3eb2411d..78114ee63057bc019b1cd3d366d4871fefb2674c 100644 (file)
--- a/Documentation/DMA-API.txt
+++ b/Documentation/DMA-API.txt
@@ -696,6 +696,9 @@ dma-api/disabled            This read-only file contains the character 'Y'
                                happen when it runs out of memory or if it was
                                disabled at boot time
 
+dma-api/dump                   This read-only file contains current DMA
+                               mappings.
+
 dma-api/error_count            This file is read-only and shows the total
                                numbers of errors found.