2 * Copyright (C) 2015 Regents of the University of California
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation, version 2.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
14 #ifndef _ASM_RISCV_SPINLOCK_TYPES_H
15 #define _ASM_RISCV_SPINLOCK_TYPES_H
17 #ifndef __LINUX_SPINLOCK_TYPES_H
18 # error "please don't include this file directly"
22 volatile unsigned int lock;
25 #define __ARCH_SPIN_LOCK_UNLOCKED { 0 }
28 volatile unsigned int lock;
31 #define __ARCH_RW_LOCK_UNLOCKED { 0 }