#ifndef __ASM_ARM_DELAY_H#define __ASM_ARM_DELAY_H /* * Copyright (C) 1995 Russell King * * Delay routines, using a pre-computed "loops_per_second" value. */ extern void __delay(int loops); /* * division by multiplication: you don't have to worry about * loss of precision. * * Use only for very small delays ( < 1 msec).  Should probably use a * lookup table, really, as the multiplications take much too long with * short delays.  This is a "reasonable" implementation, though (and the * first constant multiplications gets optimized away if the delay is * a constant) * * FIXME - lets improve it then... */extern void udelay(unsigned long usecs); static inline unsigned long muldiv(unsigned long a, unsigned long b, unsigned long c){	return a * b / c;} 	 #endif /* defined(_ARM_DELAY_H) */