Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | #ifndef __UM_DELAY_H |
2 | #define __UM_DELAY_H | |
3 | ||
5fd861b6 BS |
4 | #define MILLION 1000000 |
5 | ||
10fa1155 PBG |
6 | /* Undefined on purpose */ |
7 | extern void __bad_udelay(void); | |
8 | ||
9 | extern void __udelay(unsigned long usecs); | |
10 | extern void __delay(unsigned long loops); | |
11 | ||
12 | #define udelay(n) ((__builtin_constant_p(n) && (n) > 20000) ? \ | |
13 | __bad_udelay() : __udelay(n)) | |
14 | ||
15 | /* It appears that ndelay is not used at all for UML, and has never been | |
16 | * implemented. */ | |
17 | extern void __unimplemented_ndelay(void); | |
18 | #define ndelay(n) __unimplemented_ndelay() | |
19 | ||
1da177e4 | 20 | #endif |