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2 * Copyright (C) 2012 ARM Ltd.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
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.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 #ifndef __ASM_SPINLOCK_TYPES_H
17 #define __ASM_SPINLOCK_TYPES_H
19 #if !defined(__LINUX_SPINLOCK_TYPES_H) && !defined(__ASM_SPINLOCK_H)
20 # error "please don't include this file directly"
23 #define TICKET_SHIFT 16
33 } __aligned(4) arch_spinlock_t
;
35 #define __ARCH_SPIN_LOCK_UNLOCKED { 0 , 0 }
38 volatile unsigned int lock
;
41 #define __ARCH_RW_LOCK_UNLOCKED { 0 }