gpiolib: introduce set_debounce method

[safe/jmp/linux-2.6] / kernel / lockdep.c

diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 4349e97..5428679 100644 (file)
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -2711,6 +2711,8 @@ void lockdep_init_map(struct lockdep_map *lock, const char *name,
 }
 EXPORT_SYMBOL_GPL(lockdep_init_map);
 
+struct lock_class_key __lockdep_no_validate__;
+
 /*
  * This gets called for every mutex_lock*()/spin_lock*() operation.
  * We maintain the dependency maps and validate the locking attempt:
@@ -2745,6 +2747,9 @@ static int __lock_acquire(struct lockdep_map *lock, unsigned int subclass,
                return 0;
        }
 
+       if (lock->key == &__lockdep_no_validate__)
+               check = 1;
+
        if (!subclass)
                class = lock->class_cache;
        /*
@@ -3232,7 +3237,7 @@ void lock_release(struct lockdep_map *lock, int nested,
        raw_local_irq_save(flags);
        check_flags(flags);
        current->lockdep_recursion = 1;
-       trace_lock_release(lock, nested, ip);
+       trace_lock_release(lock, ip);
        __lock_release(lock, nested, ip);
        current->lockdep_recursion = 0;
        raw_local_irq_restore(flags);
@@ -3385,7 +3390,7 @@ found_it:
                hlock->holdtime_stamp = now;
        }
 
-       trace_lock_acquired(lock, ip, waittime);
+       trace_lock_acquired(lock, ip);
 
        stats = get_lock_stats(hlock_class(hlock));
        if (waittime) {