linux/arch/sh/include/asm/spinlock.h
Rich Felker 2b47d54ed4 sh: add J2 atomics using the cas.l instruction
Signed-off-by: Rich Felker <dalias@libc.org>
2016-08-05 03:29:34 +00:00

23 lines
578 B
C

/*
* include/asm-sh/spinlock.h
*
* Copyright (C) 2002, 2003 Paul Mundt
* Copyright (C) 2006, 2007 Akio Idehara
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#ifndef __ASM_SH_SPINLOCK_H
#define __ASM_SH_SPINLOCK_H
#if defined(CONFIG_CPU_SH4A)
#include <asm/spinlock-llsc.h>
#elif defined(CONFIG_CPU_J2)
#include <asm/spinlock-cas.h>
#else
#error "The configured cpu type does not support spinlocks"
#endif
#endif /* __ASM_SH_SPINLOCK_H */