1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __ASM_SPINLOCK_TYPES_H 3 #define __ASM_SPINLOCK_TYPES_H 4 5 typedef struct { 6 #ifdef CONFIG_PA20 7 volatile unsigned int slock; 8 # define __ARCH_SPIN_LOCK_UNLOCKED { 1 } 9 #else 10 volatile unsigned int lock[4]; 11 # define __ARCH_SPIN_LOCK_UNLOCKED { { 1, 1, 1, 1 } } 12 #endif 13 } arch_spinlock_t; 14 15 typedef struct { 16 arch_spinlock_t lock; 17 volatile int counter; 18 } arch_rwlock_t; 19 20 #define __ARCH_RW_LOCK_UNLOCKED { __ARCH_SPIN_LOCK_UNLOCKED, 0 } 21 22 #endif 23