kernel-ark/arch/m32r/include/asm/delay.h
Hirokazu Takata fe4e719d82 m32r: move include/asm-m32r headers to arch/m32r/include/asm
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
2009-04-17 10:05:01 +09:00

27 lines
694 B
C

#ifndef _ASM_M32R_DELAY_H
#define _ASM_M32R_DELAY_H
/*
* Copyright (C) 1993 Linus Torvalds
*
* Delay routines calling functions in arch/m32r/lib/delay.c
*/
extern void __bad_udelay(void);
extern void __bad_ndelay(void);
extern void __udelay(unsigned long usecs);
extern void __ndelay(unsigned long nsecs);
extern void __const_udelay(unsigned long xloops);
extern void __delay(unsigned long loops);
#define udelay(n) (__builtin_constant_p(n) ? \
((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c7ul)) : \
__udelay(n))
#define ndelay(n) (__builtin_constant_p(n) ? \
((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \
__ndelay(n))
#endif /* _ASM_M32R_DELAY_H */