diff options
Diffstat (limited to 'arch/metag/include/asm/spinlock.h')
| -rw-r--r-- | arch/metag/include/asm/spinlock.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/metag/include/asm/spinlock.h b/arch/metag/include/asm/spinlock.h new file mode 100644 index 00000000000..86a7cf3d138 --- /dev/null +++ b/arch/metag/include/asm/spinlock.h @@ -0,0 +1,22 @@ +#ifndef __ASM_SPINLOCK_H +#define __ASM_SPINLOCK_H + +#ifdef CONFIG_METAG_ATOMICITY_LOCK1 +#include <asm/spinlock_lock1.h> +#else +#include <asm/spinlock_lnkget.h> +#endif + +#define arch_spin_unlock_wait(lock) \ + do { while (arch_spin_is_locked(lock)) cpu_relax(); } while (0) + +#define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock) + +#define arch_read_lock_flags(lock, flags) arch_read_lock(lock) +#define arch_write_lock_flags(lock, flags) arch_write_lock(lock) + +#define arch_spin_relax(lock) cpu_relax() +#define arch_read_relax(lock) cpu_relax() +#define arch_write_relax(lock) cpu_relax() + +#endif /* __ASM_SPINLOCK_H */ |