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#ifndef _HACK_ASM_SPINLOCK_H_
#define _HACK_ASM_SPINLOCK_H_
typedef struct { } spinlock_t;
#define SPIN_LOCK_UNLOCKED { }
#undef spin_lock_init
#undef spin_lock
#undef spin_unlock
#define spin_lock_init(lock) ((void) (lock))
#define spin_lock(lock) ((void) (lock))
#define spin_trylock(lock) ((void) (lock), 1)
#define spin_unlock_wait(lock) ((void) (lock))
#define spin_unlock(lock) ((void) (lock))
#define spin_lock_irq(lock) ((void) (lock))
#define spin_unlock_irq(lock) ((void) (lock))
#define spin_lock_irqsave(lock, flags) ((void) (lock), (void) (flags))
#define spin_unlock_irqrestore(lock, flags) ((void) (lock), (void) (flags))
typedef struct { } rwlock_t;
#define read_lock(rw) do { } while(0)
#define write_lock(rw) do { } while(0)
#define write_unlock(rw) do { } while(0)
#define read_unlock(rw) do { } while(0)
#if 0
#include <rwlock.h>
typedef struct mutex spinlock_t;
#undef spin_lock_init
#undef spin_lock
#undef spin_unlock
#define SPIN_LOCK_UNLOCKED MUTEX_INITIALIZER
#define spin_lock_init(lock) ({ __mutex_init (lock); })
#define spin_lock(lock) ({ __mutex_lock (lock); })
#define spin_trylock(lock) ({ __mutex_trylock (lock); })
#define spin_unlock_wait(lock) ({ __mutex_unlock (lock); })
#define spin_unlock(lock) ({ __mutex_unlock (lock); })
#define spin_lock_irq(lock) ({ __mutex_lock (lock); })
#define spin_unlock_irq(lock) ({ __mutex_unlock (lock); })
#define spin_lock_irqsave(lock, flags) \
do { flags = 0; __mutex_lock (lock); } while (0)
#define spin_unlock_irqrestore(lock, flags) ({ __mutex_unlock (lock); })
typedef struct rwlock rwlock_t;
#define read_lock(rw) rwlock_reader_lock(rw)
#define write_lock(rw) rwlock_writer_lock(rw)
#define write_unlock(rw) rwlock_writer_unlock(rw)
#define read_unlock(rw) rwlock_reader_unlock(rw)
#endif
#define read_lock_irq(lock) read_lock(lock)
#define read_unlock_irq(lock) read_unlock(lock)
#define write_lock_irq(lock) write_lock(lock)
#define write_unlock_irq(lock) write_unlock(lock)
#define read_lock_irqsave(lock, flags) \
do { (flags) = 0; read_lock(lock); } while (0)
#define read_unlock_irqrestore(lock, flags) read_unlock(lock)
#define write_lock_irqsave(lock, flags) \
do { (flags) = 0; write_lock(lock); } while (0)
#define write_unlock_irqrestore(lock, flags) write_unlock(lock)
#endif
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