#ifndef _I386_DELAY_H #define _I386_DELAY_H /* * Copyright (C) 1993 Linus Torvalds * * Delay routines calling functions in arch/i386/lib/delay.c */ extern void __udelay(unsigned long usecs); extern void __const_udelay(unsigned long usecs); extern void __delay(unsigned long loops); #define udelay(n) (__builtin_constant_p(n) ? \ __const_udelay((n) * 0x10c6ul) : \ __udelay(n)) #endif /* defined(_I386_DELAY_H) */