linux/arch/powerpc/include/asm/spinlock_types.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _ASM_POWERPC_SPINLOCK_TYPES_H
   3#define _ASM_POWERPC_SPINLOCK_TYPES_H
   4
   5#ifndef __LINUX_SPINLOCK_TYPES_H
   6# error "please don't include this file directly"
   7#endif
   8
   9typedef struct {
  10        volatile unsigned int slock;
  11} arch_spinlock_t;
  12
  13#define __ARCH_SPIN_LOCK_UNLOCKED       { 0 }
  14
  15typedef struct {
  16        volatile signed int lock;
  17} arch_rwlock_t;
  18
  19#define __ARCH_RW_LOCK_UNLOCKED         { 0 }
  20
  21#endif
  22