1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ALPHA_SPINLOCK_TYPES_H 3 #define _ALPHA_SPINLOCK_TYPES_H 4 5 #ifndef __LINUX_SPINLOCK_TYPES_H 6 # error "please don't include this file directly" 7 #endif 8 9 typedef struct { 10 volatile unsigned int lock; 11 } arch_spinlock_t; 12 13 #define __ARCH_SPIN_LOCK_UNLOCKED { 0 } 14 15 typedef struct { 16 volatile unsigned int lock; 17 } arch_rwlock_t; 18 19 #define __ARCH_RW_LOCK_UNLOCKED { 0 } 20 21 #endif 22