UIO: Documentation

Documentation for the UIO interface

From: Hans J. Koch <hjk@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/Documentation/DocBook/kernel-api.tmpl b/Documentation/DocBook/kernel-api.tmpl
index fd2ef4d..a0af560 100644
--- a/Documentation/DocBook/kernel-api.tmpl
+++ b/Documentation/DocBook/kernel-api.tmpl
@@ -408,6 +408,10 @@
 !Edrivers/pnp/manager.c
 !Edrivers/pnp/support.c
      </sect1>
+     <sect1><title>Userspace IO devices</title>
+!Edrivers/uio/uio.c
+!Iinclude/linux/uio_driver.h
+     </sect1>
   </chapter>
 
   <chapter id="blkdev">