Cregit: Linux 6.7: atomic.h

Contributors: 8
Author	Tokens	Token Proportion	Commits	Commit Proportion
Linus Torvalds (pre-git)	24	30.77%	1	8.33%
Stuart Menefy	17	21.79%	1	8.33%
Paul Mundt	14	17.95%	3	25.00%
Rich Felker	11	14.10%	1	8.33%
Peter Zijlstra	5	6.41%	2	16.67%
David Howells	4	5.13%	2	16.67%
Mark Rutland	2	2.56%	1	8.33%
Greg Kroah-Hartman	1	1.28%	1	8.33%
Total	78		12

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

#if defined(CONFIG_CPU_J2)

#include <asm-generic/atomic.h>

#else

/*
 * Atomic operations that C can't guarantee us.  Useful for
 * resource counting etc..
 *
 */

#include <linux/compiler.h>
#include <linux/types.h>
#include <asm/cmpxchg.h>
#include <asm/barrier.h>

#define arch_atomic_read(v)		READ_ONCE((v)->counter)
#define arch_atomic_set(v,i)		WRITE_ONCE((v)->counter, (i))

#if defined(CONFIG_GUSA_RB)
#include <asm/atomic-grb.h>
#elif defined(CONFIG_CPU_SH4A)
#include <asm/atomic-llsc.h>
#else
#include <asm/atomic-irq.h>
#endif

#endif /* CONFIG_CPU_J2 */

#endif /* __ASM_SH_ATOMIC_H */