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1da177e4 LT |
1 | #ifndef _ASM_M32R_DELAY_H |
2 | #define _ASM_M32R_DELAY_H | |
3 | ||
4 | /* $Id$ */ | |
5 | ||
6 | /* | |
7 | * Copyright (C) 1993 Linus Torvalds | |
8 | * | |
9 | * Delay routines calling functions in arch/m32r/lib/delay.c | |
10 | */ | |
11 | ||
12 | extern void __bad_udelay(void); | |
13 | extern void __bad_ndelay(void); | |
14 | ||
15 | extern void __udelay(unsigned long usecs); | |
16 | extern void __ndelay(unsigned long nsecs); | |
17 | extern void __const_udelay(unsigned long usecs); | |
18 | extern void __delay(unsigned long loops); | |
19 | ||
20 | #define udelay(n) (__builtin_constant_p(n) ? \ | |
21 | ((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c7ul)) : \ | |
22 | __udelay(n)) | |
23 | ||
24 | #define ndelay(n) (__builtin_constant_p(n) ? \ | |
25 | ((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \ | |
26 | __ndelay(n)) | |
27 | ||
28 | #endif /* _ASM_M32R_DELAY_H */ |