1#ifndef _LINUX_DELAY_H
2#define _LINUX_DELAY_H
3
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9
10#include <linux/kernel.h>
11
12extern unsigned long loops_per_jiffy;
13
14#include <asm/delay.h>
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24
25
26#ifndef MAX_UDELAY_MS
27#define MAX_UDELAY_MS 5
28#endif
29
30#ifndef mdelay
31#define mdelay(n) (\
32 (__builtin_constant_p(n) && (n)<=MAX_UDELAY_MS) ? udelay((n)*1000) : \
33 ({unsigned long __ms=(n); while (__ms--) udelay(1000);}))
34#endif
35
36#ifndef ndelay
37static inline void ndelay(unsigned long x)
38{
39 udelay(DIV_ROUND_UP(x, 1000));
40}
41#define ndelay(x) ndelay(x)
42#endif
43
44extern unsigned long lpj_fine;
45void calibrate_delay(void);
46void msleep(unsigned int msecs);
47unsigned long msleep_interruptible(unsigned int msecs);
48void usleep_range(unsigned long min, unsigned long max);
49
50static inline void ssleep(unsigned int seconds)
51{
52 msleep(seconds * 1000);
53}
54
55#endif
56