diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-08-15 13:57:32 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-08-15 13:57:32 +0200 |
| commit | 975439fe73d1f0f7ce8c235c66783bd34dc459c3 (patch) | |
| tree | 84e29852d96283b13c6e603f86bd506a631343c5 /include/asm-h8300/delay.h | |
| parent | ef31023743e66de7184e9aad432291c842a6384b (diff) | |
| parent | 129d6aba444d1e99d4cbfb9866a4652912426b65 (diff) | |
| download | op-kernel-dev-975439fe73d1f0f7ce8c235c66783bd34dc459c3.zip op-kernel-dev-975439fe73d1f0f7ce8c235c66783bd34dc459c3.tar.gz | |
Merge branch 'x86/amd-iommu' into x86/urgent
Diffstat (limited to 'include/asm-h8300/delay.h')
| -rw-r--r-- | include/asm-h8300/delay.h | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/include/asm-h8300/delay.h b/include/asm-h8300/delay.h deleted file mode 100644 index 743beba..0000000 --- a/include/asm-h8300/delay.h +++ /dev/null @@ -1,38 +0,0 @@ -#ifndef _H8300_DELAY_H -#define _H8300_DELAY_H - -#include <asm/param.h> - -/* - * Copyright (C) 2002 Yoshinori Sato <ysato@sourceforge.jp> - * - * Delay routines, using a pre-computed "loops_per_second" value. - */ - -static inline void __delay(unsigned long loops) -{ - __asm__ __volatile__ ("1:\n\t" - "dec.l #1,%0\n\t" - "bne 1b" - :"=r" (loops):"0"(loops)); -} - -/* - * Use only for very small delays ( < 1 msec). Should probably use a - * lookup table, really, as the multiplications take much too long with - * short delays. This is a "reasonable" implementation, though (and the - * first constant multiplications gets optimized away if the delay is - * a constant) - */ - -extern unsigned long loops_per_jiffy; - -static inline void udelay(unsigned long usecs) -{ - usecs *= 4295; /* 2**32 / 1000000 */ - usecs /= (loops_per_jiffy*HZ); - if (usecs) - __delay(usecs); -} - -#endif /* _H8300_DELAY_H */ |
