diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-10-28 16:54:49 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-28 16:54:49 +0100 |
| commit | d1a76187a5be4f89c6cb19d800cb5fb7aac735c5 (patch) | |
| tree | 2fac3ffbfffc7560eeef8364b541d0d7a0057920 /arch/um/include/asm/delay.h | |
| parent | c7e78cff6b7518212247fb20b1dc6411540dc9af (diff) | |
| parent | 0173a3265b228da319ceb9c1ec6a5682fd1b2d92 (diff) | |
Merge commit 'v2.6.28-rc2' into core/locking
Conflicts:
arch/um/include/asm/system.h
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 00000000000..c71e32b6741 --- /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 |