arch/sh/include/asm/spinlock_types.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __ASM_SH_SPINLOCK_TYPES_H
   3 #define __ASM_SH_SPINLOCK_TYPES_H
   4
   5 #ifndef __LINUX_SPINLOCK_TYPES_H
   6 # error "please don't include this file directly"
   7 #endif
   8
   9 typedef struct {
  10         volatile unsigned int lock;
  11 } arch_spinlock_t;
  12
  13 #define __ARCH_SPIN_LOCK_UNLOCKED               { 1 }
  14
  15 typedef struct {
  16         volatile unsigned int lock;
  17 } arch_rwlock_t;
  18
  19 #define RW_LOCK_BIAS                    0x01000000
  20 #define __ARCH_RW_LOCK_UNLOCKED         { RW_LOCK_BIAS }
  21
  22 #endif