Documentation: mention vme_master_mmap() in VME API

Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Cc: Igor Alekseev <igor.alekseev@itep.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/Documentation/vme_api.txt b/Documentation/vme_api.txt
index ffe6e22..ca5b827 100644
--- a/Documentation/vme_api.txt
+++ b/Documentation/vme_api.txt
@@ -171,6 +171,12 @@
 the mask match with the values of the corresponding bits in the compare field,
 the value of swap is written the specified offset.
 
+Parts of a VME window can be mapped into user space memory using the following
+function:
+
+	int vme_master_mmap(struct vme_resource *resource,
+		struct vm_area_struct *vma)
+
 
 Slave windows
 =============