1#ifndef __ASM_SH_DELAY_H
2#define __ASM_SH_DELAY_H
3
4/*
5 * Copyright (C) 1993 Linus Torvalds
6 *
7 * Delay routines calling functions in arch/sh/lib/delay.c
8 */
9
10extern void __bad_udelay(void);
11extern void __bad_ndelay(void);
12
13extern void __udelay(unsigned long usecs);
14extern void __ndelay(unsigned long nsecs);
15extern void __const_udelay(unsigned long usecs);
16extern void __delay(unsigned long loops);
17
18#define udelay(n) (__builtin_constant_p(n) ? \
19	((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c6ul)) : \
20	__udelay(n))
21
22
23#define ndelay(n) (__builtin_constant_p(n) ? \
24	((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \
25	__ndelay(n))
26
27#endif /* __ASM_SH_DELAY_H */
28