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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_RAW_H
6# error "please don't include this file directly"
7#endif
8
9typedef struct {
10 volatile unsigned int lock;
11} arch_spinlock_t;
12
13#define __ARCH_SPIN_LOCK_UNLOCKED { 1 }
14
15typedef 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
23

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source code of linux/arch/sh/include/asm/spinlock_types.h