summaryrefslogtreecommitdiffstats
path: root/arch/um/include/asm/delay.h
blob: 8a5576d8eda55707646e6b1f47c680e969d10059 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
#ifndef __UM_DELAY_H
#define __UM_DELAY_H

/* Undefined on purpose */
extern void __bad_udelay(void);
extern void __bad_ndelay(void);

extern void __udelay(unsigned long usecs);
extern void __ndelay(unsigned long usecs);
extern void __delay(unsigned long loops);

#define udelay(n) ((__builtin_constant_p(n) && (n) > 20000) ? \
	__bad_udelay() : __udelay(n))

#define ndelay(n) ((__builtin_constant_p(n) && (n) > 20000) ? \
	__bad_ndelay() : __ndelay(n))

#endif
OpenPOWER on IntegriCloud