diff options
Diffstat (limited to 'xenolinux-2.4.21-pre4-sparse/include/asm-xeno/delay.h')
| -rw-r--r-- | xenolinux-2.4.21-pre4-sparse/include/asm-xeno/delay.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/xenolinux-2.4.21-pre4-sparse/include/asm-xeno/delay.h b/xenolinux-2.4.21-pre4-sparse/include/asm-xeno/delay.h new file mode 100644 index 0000000000..c7d2184929 --- /dev/null +++ b/xenolinux-2.4.21-pre4-sparse/include/asm-xeno/delay.h @@ -0,0 +1,20 @@ +#ifndef _I386_DELAY_H +#define _I386_DELAY_H + +/* + * Copyright (C) 1993 Linus Torvalds + * + * Delay routines calling functions in arch/i386/lib/delay.c + */ + +extern void __bad_udelay(void); + +extern void __udelay(unsigned long usecs); +extern void __const_udelay(unsigned long usecs); +extern void __delay(unsigned long loops); + +#define udelay(n) (__builtin_constant_p(n) ? \ + ((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c6ul)) : \ + __udelay(n)) + +#endif /* defined(_I386_DELAY_H) */ |