#ifndef __ASM_SH_DELAY_H#define __ASM_SH_DELAY_H /* * Copyright (C) 1993 Linus Torvalds * * Delay routines calling functions in arch/sh/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 usecs);extern void __delay(unsigned long loops); #define udelay(n) (__builtin_constant_p(n) ? \	((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c6ul)) : \	__udelay(n))  #define ndelay(n) (__builtin_constant_p(n) ? \	((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \	__ndelay(n)) #endif /* __ASM_SH_DELAY_H */