[src/trunk]: src/sys/external/bsd/drm2/include/linux Add Linux lockdep cruft.

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/1ae669559eee
branches:  trunk
changeset: 331246:1ae669559eee
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Wed Aug 06 13:51:49 2014 +0000

description:
Add Linux lockdep cruft.

diffstat:

 sys/external/bsd/drm2/include/linux/mutex.h |  13 ++++++++++++-
 1 files changed, 12 insertions(+), 1 deletions(-)

diffs (34 lines):

diff -r 81d9a9d68952 -r 1ae669559eee sys/external/bsd/drm2/include/linux/mutex.h
--- a/sys/external/bsd/drm2/include/linux/mutex.h       Wed Aug 06 13:51:37 2014 +0000
+++ b/sys/external/bsd/drm2/include/linux/mutex.h       Wed Aug 06 13:51:49 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: mutex.h,v 1.4 2014/07/16 20:59:58 riastradh Exp $      */
+/*     $NetBSD: mutex.h,v 1.5 2014/08/06 13:51:49 riastradh Exp $      */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -40,6 +40,9 @@
        kmutex_t mtx_lock;
 };
 
+struct lock_class_key {
+};
+
 /* Name collision.  Pooh.  */
 static inline void
 linux_mutex_init(struct mutex *mutex)
@@ -47,6 +50,14 @@
        mutex_init(&mutex->mtx_lock, MUTEX_DEFAULT, IPL_NONE);
 }
 
+/* Lockdep stuff.  */
+static inline void
+__mutex_init(struct mutex *mutex, const char *name __unused,
+    struct lock_class_key *key __unused)
+{
+       linux_mutex_init(mutex);
+}
+
 /* Another name collision.  */
 static inline void
 linux_mutex_destroy(struct mutex *mutex)