1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __ASM_SH_SPINLOCK_TYPES_H 3 #define __ASM_SH_SPINLOCK_TYPES_H 4 5 #ifndef __LINUX_SPINLOCK_TYPES_RAW_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 { 1 } 14 15 typedef struct { 16 volatile unsigned int lock; 17 } arch_rwlock_t; 18 19 #define RW_LOCK_BIAS 0x01000000 20 #define __ARCH_RW_LOCK_UNLOCKED { RW_LOCK_BIAS } 21 22 #endif 23