blob: d5d464041003bb68104895c2e54ca5d32a46f195 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
#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 __bad_ndelay(void);
extern void __udelay(unsigned long usecs);
extern void __ndelay(unsigned long nsecs);
extern void __const_udelay(unsigned long xloops);
extern void __delay(unsigned long loops);
#ifdef CONFIG_SUPERH32
#define udelay(n) (__builtin_constant_p(n) ? \
((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c6ul)) : \
__udelay(n))
#define ndelay(n) (__builtin_constant_p(n) ? \
((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \
__ndelay(n))
#else
extern void udelay(unsigned long usecs);
extern void ndelay(unsigned long nsecs);
#endif
#endif /* __ASM_SH_DELAY_H */
|
