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review.evervolv.com / android_kernel_oneplus_msm8996 / b89203f74bdfcb15407d54d3f257b16a2ea19e62 / . / arch / um / include / asm / delay.h
blob: 8a5576d8eda55707646e6b1f47c680e969d10059 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]1#ifndef __UM_DELAY_H
2#define __UM_DELAY_H
3
Paolo 'Blaisorblade' Giarrusso10fa1152007-04-01 23:49:37 -0700[diff] [blame]4/* Undefined on purpose */
5extern void __bad_udelay(void);
Richard Weinberger22e9b912011-07-25 17:12:46 -0700[diff] [blame]6extern void __bad_ndelay(void);
Paolo 'Blaisorblade' Giarrusso10fa1152007-04-01 23:49:37 -0700[diff] [blame]7
8extern void __udelay(unsigned long usecs);
Richard Weinberger22e9b912011-07-25 17:12:46 -0700[diff] [blame]9extern void __ndelay(unsigned long usecs);
Paolo 'Blaisorblade' Giarrusso10fa1152007-04-01 23:49:37 -0700[diff] [blame]10extern void __delay(unsigned long loops);
11
12#define udelay(n) ((__builtin_constant_p(n) && (n) > 20000) ? \
13 __bad_udelay() : __udelay(n))
14
Richard Weinberger22e9b912011-07-25 17:12:46 -0700[diff] [blame]15#define ndelay(n) ((__builtin_constant_p(n) && (n) > 20000) ? \
16 __bad_ndelay() : __ndelay(n))
Paolo 'Blaisorblade' Giarrusso10fa1152007-04-01 23:49:37 -0700[diff] [blame]17
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]18#endif