arch/hexagon/include/asm/spinlock_types.h

   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
  28 typedef struct {
  29         volatile unsigned int lock;
  30 } arch_spinlock_t;
  31
  32 #define __ARCH_SPIN_LOCK_UNLOCKED       { 0 }
  33
  34 typedef struct {
  35         volatile unsigned int lock;
  36 } arch_rwlock_t;
  37
  38 #define __ARCH_RW_LOCK_UNLOCKED         { 0 }
  39
  40 #endif