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From: Robert Noland <rnoland@FreeBSD.org>
Date: Tue, 17 Mar 2009 03:49:24 +0000 (UTC)
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Subject: svn commit: r189913 - head/sys/dev/drm
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Author: rnoland
Date: Tue Mar 17 03:49:24 2009
New Revision: 189913
URL: http://svn.freebsd.org/changeset/base/189913

Log:
  Add list_for_each_prev to our linux compatibility.
  
  We need this for nouveau
  
  MFC after:	3 days

Modified:
  head/sys/dev/drm/drm_linux_list.h

Modified: head/sys/dev/drm/drm_linux_list.h
==============================================================================
--- head/sys/dev/drm/drm_linux_list.h	Tue Mar 17 03:46:37 2009	(r189912)
+++ head/sys/dev/drm/drm_linux_list.h	Tue Mar 17 03:49:24 2009	(r189913)
@@ -67,6 +67,10 @@ list_del(struct list_head *entry) {
 #define list_for_each(entry, head)				\
     for (entry = (head)->next; entry != head; entry = (entry)->next)
 
+#define list_for_each_prev(entry, head) \
+        for (entry = (head)->prev; entry != (head); \
+                entry = entry->prev)
+
 #define list_for_each_safe(entry, temp, head)			\
     for (entry = (head)->next, temp = (entry)->next;		\
 	entry != head; 						\