diff --git a/[refs] b/[refs]
index 4f529482ed74..23ac44afc09b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a529f1505b6facfd0078dcb18a444976c1985962
+refs/heads/master: 8192b1f6b1a46b33213b993471356495a93ffc70
diff --git a/trunk/drivers/macintosh/adb.c b/trunk/drivers/macintosh/adb.c
index 1c4ee6e77937..bf64e49d996a 100644
--- a/trunk/drivers/macintosh/adb.c
+++ b/trunk/drivers/macintosh/adb.c
@@ -83,7 +83,7 @@ static struct adb_driver *adb_controller;
 BLOCKING_NOTIFIER_HEAD(adb_client_list);
 static int adb_got_sleep;
 static int adb_inited;
-static DECLARE_MUTEX(adb_probe_mutex);
+static DEFINE_SEMAPHORE(adb_probe_mutex);
 static int sleepy_trackpad;
 static int autopoll_devs;
 int __adb_probe_sync;