xref: /openbmc/linux/arch/s390/include/asm/delay.h (revision 6ee73861)
1 /*
2  *  include/asm-s390/delay.h
3  *
4  *  S390 version
5  *    Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
6  *    Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
7  *
8  *  Derived from "include/asm-i386/delay.h"
9  *    Copyright (C) 1993 Linus Torvalds
10  *
11  *  Delay routines calling functions in arch/s390/lib/delay.c
12  */
13 
14 #ifndef _S390_DELAY_H
15 #define _S390_DELAY_H
16 
17 extern void __udelay(unsigned long long usecs);
18 extern void udelay_simple(unsigned long long usecs);
19 extern void __delay(unsigned long loops);
20 
21 #define udelay(n) __udelay((unsigned long long) (n))
22 #define mdelay(n) __udelay((unsigned long long) (n) * 1000)
23 
24 #endif /* defined(_S390_DELAY_H) */
25