Cregit: Linux 5.15: spinlock

Contributors: 4
Author	Tokens	Token Proportion	Commits	Commit Proportion
Will Deacon	37	48.68%	2	28.57%
Ingo Molnar	34	44.74%	1	14.29%
Thomas Gleixner	4	5.26%	3	42.86%
Greg Kroah-Hartman	1	1.32%	1	14.29%
Total	76		7

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_SPINLOCK_TYPES_H
#define __ASM_SPINLOCK_TYPES_H

#ifndef __LINUX_SPINLOCK_TYPES_H
# error "please don't include this file directly"
#endif

#define TICKET_SHIFT	16

typedef struct {
	union {
		u32 slock;
		struct __raw_tickets {
#ifdef __ARMEB__
			u16 next;
			u16 owner;
#else
			u16 owner;
			u16 next;
#endif
		} tickets;
	};
} arch_spinlock_t;

#define __ARCH_SPIN_LOCK_UNLOCKED	{ { 0 } }

typedef struct {
	u32 lock;
} arch_rwlock_t;

#define __ARCH_RW_LOCK_UNLOCKED		{ 0 }

#endif

spinlock_types.h