LXR linux/arch/hexagon/include/asm/spinlock

   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