| Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1 | #ifndef __ASM_AVR32_DELAY_H | 
|  | 2 | #define __ASM_AVR32_DELAY_H | 
|  | 3 |  | 
|  | 4 | /* | 
|  | 5 | * Copyright (C) 1993 Linus Torvalds | 
|  | 6 | * | 
|  | 7 | * Delay routines calling functions in arch/avr32/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) * 0x10c6ul)) : \ | 
|  | 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_AVR32_DELAY_H */ |