1#ifndef __UM_DELAY_H
 2#define __UM_DELAY_H
 3
 4/* Undefined on purpose */
 5extern void __bad_udelay(void);
 6extern void __bad_ndelay(void);
 7
 8extern void __udelay(unsigned long usecs);
 9extern void __ndelay(unsigned long usecs);
10extern void __delay(unsigned long loops);
11
12#define udelay(n) ((__builtin_constant_p(n) && (n) > 20000) ? \
13	__bad_udelay() : __udelay(n))
14
15#define ndelay(n) ((__builtin_constant_p(n) && (n) > 20000) ? \
16	__bad_ndelay() : __ndelay(n))
17
18#endif