1#ifndef _METAG_DELAY_H
2#define _METAG_DELAY_H
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10
11extern void __bad_udelay(void);
12extern void __bad_ndelay(void);
13
14extern void __udelay(unsigned long usecs);
15extern void __ndelay(unsigned long nsecs);
16extern void __const_udelay(unsigned long xloops);
17extern void __delay(unsigned long loops);
18
19
20#define udelay(n) (__builtin_constant_p(n) ? \
21 ((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c7ul)) : \
22 __udelay(n))
23
24
25#define ndelay(n) (__builtin_constant_p(n) ? \
26 ((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \
27 __ndelay(n))
28
29#endif
30