1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (C) 2015 Regents of the University of California
4  */
5 
6 #ifndef _ASM_RISCV_SPINLOCK_TYPES_H
7 #define _ASM_RISCV_SPINLOCK_TYPES_H
8 
9 #ifndef __LINUX_SPINLOCK_TYPES_H
10 # error "please don't include this file directly"
11 #endif
12 
13 typedef struct {
14 	volatile unsigned int lock;
15 } arch_spinlock_t;
16 
17 #define __ARCH_SPIN_LOCK_UNLOCKED	{ 0 }
18 
19 typedef struct {
20 	volatile unsigned int lock;
21 } arch_rwlock_t;
22 
23 #define __ARCH_RW_LOCK_UNLOCKED		{ 0 }
24 
25 #endif /* _ASM_RISCV_SPINLOCK_TYPES_H */
26