diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-10-24 14:48:46 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-24 14:48:46 +0400 |
| commit | 8c82a17e9c924c0e9f13e75e4c2f6bca19a4b516 (patch) | |
| tree | d535f46a917e14e90deccb29ad00aac016ad18dd /arch/um/include/asm/delay.h | |
| parent | 4ce72a2c063a7fa8e42a9435440ae3364115a58d (diff) | |
| parent | 57f8f7b60db6f1ed2c6918ab9230c4623a9dbe37 (diff) | |
| download | linux-8c82a17e9c924c0e9f13e75e4c2f6bca19a4b516.tar.xz | |
Merge commit 'v2.6.28-rc1' into sched/urgent
Diffstat (limited to 'arch/um/include/asm/delay.h')
| -rw-r--r-- | arch/um/include/asm/delay.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/um/include/asm/delay.h b/arch/um/include/asm/delay.h new file mode 100644 index 000000000000..c71e32b6741e --- /dev/null +++ b/arch/um/include/asm/delay.h @@ -0,0 +1,20 @@ +#ifndef __UM_DELAY_H +#define __UM_DELAY_H + +#define MILLION 1000000 + +/* Undefined on purpose */ +extern void __bad_udelay(void); + +extern void __udelay(unsigned long usecs); +extern void __delay(unsigned long loops); + +#define udelay(n) ((__builtin_constant_p(n) && (n) > 20000) ? \ + __bad_udelay() : __udelay(n)) + +/* It appears that ndelay is not used at all for UML, and has never been + * implemented. */ +extern void __unimplemented_ndelay(void); +#define ndelay(n) __unimplemented_ndelay() + +#endif |