| #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 __udelay(unsigned long usecs); | |
| 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)) | |
| #endif /* __ASM_SH_DELAY_H */ |