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