Greg Kroah-Hartman
598cf27219
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>
26 lines
549 B
C
26 lines
549 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASM_SH_CMPXCHG_CAS_H
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#define __ASM_SH_CMPXCHG_CAS_H
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static inline unsigned long
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__cmpxchg_u32(volatile u32 *m, unsigned long old, unsigned long new)
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{
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__asm__ __volatile__("cas.l %1,%0,@r0"
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: "+r"(new)
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: "r"(old), "z"(m)
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: "t", "memory" );
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return new;
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}
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static inline unsigned long xchg_u32(volatile u32 *m, unsigned long val)
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{
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unsigned long old;
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do old = *m;
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while (__cmpxchg_u32(m, old, val) != old);
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return old;
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}
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#include <asm/cmpxchg-xchg.h>
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#endif /* __ASM_SH_CMPXCHG_CAS_H */
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