diff options
Diffstat (limited to 'arch/ia64/include/asm/spinlock_types.h')
-rw-r--r-- | arch/ia64/include/asm/spinlock_types.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/spinlock_types.h b/arch/ia64/include/asm/spinlock_types.h new file mode 100644 index 0000000000..14b8a161c1 --- /dev/null +++ b/arch/ia64/include/asm/spinlock_types.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_IA64_SPINLOCK_TYPES_H +#define _ASM_IA64_SPINLOCK_TYPES_H + +#ifndef __LINUX_SPINLOCK_TYPES_RAW_H +# error "please don't include this file directly" +#endif + +typedef struct { + volatile unsigned int lock; +} arch_spinlock_t; + +#define __ARCH_SPIN_LOCK_UNLOCKED { 0 } + +typedef struct { + volatile unsigned int read_counter : 31; + volatile unsigned int write_lock : 1; +} arch_rwlock_t; + +#define __ARCH_RW_LOCK_UNLOCKED { 0, 0 } + +#endif |