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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-17 13:13:16 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-17 13:13:16 -0700 |
| commit | d20ead9e86881bc7ae84e385f47b5196b7d93aac (patch) | |
| tree | ed27dd5db5f8447e4b3f541f0ec38219085d2f32 /include/asm-x86/delay.h | |
| parent | c56ec7639288f3e5d6371b0c48d37da93642fc93 (diff) | |
| parent | 88e4d250234fc9e64d6ce51df95efdcf8334fd95 (diff) | |
| download | linux-d20ead9e86881bc7ae84e385f47b5196b7d93aac.tar.bz2 | |
Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-x86
* ssh://master.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-x86: (114 commits)
x86: delete vsyscall files during make clean
kbuild: fix typo SRCARCH in find_sources
x86: fix kernel rebuild due to vsyscall fallout
.gitignore update for x86 arch
x86: unify include/asm/debugreg_32/64.h
x86: unify include/asm/unwind_32/64.h
x86: unify include/asm/types_32/64.h
x86: unify include/asm/tlb_32/64.h
x86: unify include/asm/siginfo_32/64.h
x86: unify include/asm/bug_32/64.h
x86: unify include/asm/mman_32/64.h
x86: unify include/asm/agp_32/64.h
x86: unify include/asm/kdebug_32/64.h
x86: unify include/asm/ioctls_32/64.h
x86: unify include/asm/floppy_32/64.h
x86: apply missing DMA/OOM prevention to floppy_32.h
x86: unify include/asm/cache_32/64.h
x86: unify include/asm/cache_32/64.h
x86: unify include/asm/dmi_32/64.h
x86: unify include/asm/delay_32/64.h
...
Diffstat (limited to 'include/asm-x86/delay.h')
| -rw-r--r-- | include/asm-x86/delay.h | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/include/asm-x86/delay.h b/include/asm-x86/delay.h index 10f2c71d622b..d11d47fc1a0e 100644 --- a/include/asm-x86/delay.h +++ b/include/asm-x86/delay.h @@ -1,5 +1,31 @@ -#ifdef CONFIG_X86_32 -# include "delay_32.h" -#else -# include "delay_64.h" -#endif +#ifndef _ASM_X86_DELAY_H +#define _ASM_X86_DELAY_H + +/* + * Copyright (C) 1993 Linus Torvalds + * + * Delay routines calling functions in arch/x86/lib/delay.c + */ + +/* Undefined functions to get compile-time errors */ +extern void __bad_udelay(void); +extern void __bad_ndelay(void); + +extern void __udelay(unsigned long usecs); +extern void __ndelay(unsigned long nsecs); +extern void __const_udelay(unsigned long usecs); +extern void __delay(unsigned long loops); + +/* 0x10c7 is 2**32 / 1000000 (rounded up) */ +#define udelay(n) (__builtin_constant_p(n) ? \ + ((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c7ul)) : \ + __udelay(n)) + +/* 0x5 is 2**32 / 1000000000 (rounded up) */ +#define ndelay(n) (__builtin_constant_p(n) ? \ + ((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \ + __ndelay(n)) + +void use_tsc_delay(void); + +#endif /* _ASM_X86_DELAY_H */ |