1/****************************************************************************
2 ****************************************************************************
3 ***
4 ***   This header was automatically generated from a Linux kernel header
5 ***   of the same name, to make information necessary for userspace to
6 ***   call into the kernel available to libc.  It contains only constants,
7 ***   structures, and macros generated from the original header, and thus,
8 ***   contains no copyrightable information.
9 ***
10 ****************************************************************************
11 ****************************************************************************/
12#ifndef __ASM_SH_SPINLOCK_H
13#define __ASM_SH_SPINLOCK_H
14
15#define __raw_spin_is_locked(x) ((x)->lock <= 0)
16#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock)
17#define __raw_spin_unlock_wait(x)   do { cpu_relax(); } while ((x)->lock)
18
19#define __raw_read_can_lock(x) ((x)->lock > 0)
20#define __raw_write_can_lock(x) ((x)->lock == RW_LOCK_BIAS)
21#define _raw_spin_relax(lock) cpu_relax()
22#define _raw_read_relax(lock) cpu_relax()
23#define _raw_write_relax(lock) cpu_relax()
24#endif
25