1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Spinlock support for the Hexagon architecture 4 * 5 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved. 6 */ 7 8 #ifndef _ASM_SPINLOCK_TYPES_H 9 #define _ASM_SPINLOCK_TYPES_H 10 11 #ifndef __LINUX_SPINLOCK_TYPES_RAW_H 12 # error "please don't include this file directly" 13 #endif 14 15 typedef struct { 16 volatile unsigned int lock; 17 } arch_spinlock_t; 18 19 #define __ARCH_SPIN_LOCK_UNLOCKED { 0 } 20 21 typedef struct { 22 volatile unsigned int lock; 23 } arch_rwlock_t; 24 25 #define __ARCH_RW_LOCK_UNLOCKED { 0 } 26 27 #endif 28