1/* 2 * Spinlock support for the Hexagon architecture 3 * 4 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 and 8 * only version 2 as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 18 * 02110-1301, USA. 19 */ 20 21#ifndef _ASM_SPINLOCK_TYPES_H 22#define _ASM_SPINLOCK_TYPES_H 23 24#ifndef __LINUX_SPINLOCK_TYPES_H 25# error "please don't include this file directly" 26#endif 27 28typedef struct { 29 volatile unsigned int lock; 30} arch_spinlock_t; 31 32#define __ARCH_SPIN_LOCK_UNLOCKED { 0 } 33 34typedef struct { 35 volatile unsigned int lock; 36} arch_rwlock_t; 37 38#define __ARCH_RW_LOCK_UNLOCKED { 0 } 39 40#endif 41