82 lines
1.9 KiB
C
82 lines
1.9 KiB
C
/*
|
|
* Copyright 2004-2009 Analog Devices Inc.
|
|
*
|
|
* Licensed under the GPL-2 or later.
|
|
*/
|
|
|
|
#ifndef __BFIN_SPINLOCK_H
|
|
#define __BFIN_SPINLOCK_H
|
|
|
|
#ifndef CONFIG_SMP
|
|
# include <asm-generic/spinlock.h>
|
|
#else
|
|
|
|
#include <linux/atomic.h>
|
|
#include <asm/processor.h>
|
|
#include <asm/barrier.h>
|
|
|
|
asmlinkage int __raw_spin_is_locked_asm(volatile int *ptr);
|
|
asmlinkage void __raw_spin_lock_asm(volatile int *ptr);
|
|
asmlinkage int __raw_spin_trylock_asm(volatile int *ptr);
|
|
asmlinkage void __raw_spin_unlock_asm(volatile int *ptr);
|
|
asmlinkage void __raw_read_lock_asm(volatile int *ptr);
|
|
asmlinkage int __raw_read_trylock_asm(volatile int *ptr);
|
|
asmlinkage void __raw_read_unlock_asm(volatile int *ptr);
|
|
asmlinkage void __raw_write_lock_asm(volatile int *ptr);
|
|
asmlinkage int __raw_write_trylock_asm(volatile int *ptr);
|
|
asmlinkage void __raw_write_unlock_asm(volatile int *ptr);
|
|
|
|
static inline int arch_spin_is_locked(arch_spinlock_t *lock)
|
|
{
|
|
return __raw_spin_is_locked_asm(&lock->lock);
|
|
}
|
|
|
|
static inline void arch_spin_lock(arch_spinlock_t *lock)
|
|
{
|
|
__raw_spin_lock_asm(&lock->lock);
|
|
}
|
|
|
|
static inline int arch_spin_trylock(arch_spinlock_t *lock)
|
|
{
|
|
return __raw_spin_trylock_asm(&lock->lock);
|
|
}
|
|
|
|
static inline void arch_spin_unlock(arch_spinlock_t *lock)
|
|
{
|
|
__raw_spin_unlock_asm(&lock->lock);
|
|
}
|
|
|
|
static inline void arch_read_lock(arch_rwlock_t *rw)
|
|
{
|
|
__raw_read_lock_asm(&rw->lock);
|
|
}
|
|
|
|
static inline int arch_read_trylock(arch_rwlock_t *rw)
|
|
{
|
|
return __raw_read_trylock_asm(&rw->lock);
|
|
}
|
|
|
|
static inline void arch_read_unlock(arch_rwlock_t *rw)
|
|
{
|
|
__raw_read_unlock_asm(&rw->lock);
|
|
}
|
|
|
|
static inline void arch_write_lock(arch_rwlock_t *rw)
|
|
{
|
|
__raw_write_lock_asm(&rw->lock);
|
|
}
|
|
|
|
static inline int arch_write_trylock(arch_rwlock_t *rw)
|
|
{
|
|
return __raw_write_trylock_asm(&rw->lock);
|
|
}
|
|
|
|
static inline void arch_write_unlock(arch_rwlock_t *rw)
|
|
{
|
|
__raw_write_unlock_asm(&rw->lock);
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif /* !__BFIN_SPINLOCK_H */
|