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| author | Ingo Molnar <mingo@elte.hu> | 2008-10-27 10:50:54 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-27 10:50:54 +0100 |
| commit | 4944dd62de21230af039eda7cd218e9a09021d11 (patch) | |
| tree | bac70f7bab8506c7e1b0408bacbdb0b1d77262e9 /arch/um/include/asm/delay.h | |
| parent | f17845e5d97ead8fbdadfd40039e058ec7cf4a42 (diff) | |
| parent | 0173a3265b228da319ceb9c1ec6a5682fd1b2d92 (diff) | |
| download | kernel_replicant_linux-4944dd62de21230af039eda7cd218e9a09021d11.tar.gz kernel_replicant_linux-4944dd62de21230af039eda7cd218e9a09021d11.tar.bz2 kernel_replicant_linux-4944dd62de21230af039eda7cd218e9a09021d11.zip | |
Merge commit 'v2.6.28-rc2' into tracing/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 |