#ifndef __UM_DELAY_H #define __UM_DELAY_H /* Undefined on purpose */ extern void __bad_udelay(void); extern void __bad_ndelay(void); extern void __udelay(unsigned long usecs); extern void __ndelay(unsigned long usecs); extern void __delay(unsigned long loops); #define udelay(n) ((__builtin_constant_p(n) && (n) > 20000) ? \ __bad_udelay() : __udelay(n)) #define ndelay(n) ((__builtin_constant_p(n) && (n) > 20000) ? \ __bad_ndelay() : __ndelay(n)) #endif