Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
36 lines
693 B
C
36 lines
693 B
C
/* 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 */
|