arch/s390/include/asm/delay.h at v3.1 · tjh.dev/kernel

tjh.dev / kernel

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

kernel / arch / s390 / include / asm / delay.h

at v3.1 26 lines 758 B view raw

 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
17void __ndelay(unsigned long long nsecs);
18void __udelay(unsigned long long usecs);
19void udelay_simple(unsigned long long usecs);
20void __delay(unsigned long loops);
21
22#define ndelay(n) __ndelay((unsigned long long) (n))
23#define udelay(n) __udelay((unsigned long long) (n))
24#define mdelay(n) __udelay((unsigned long long) (n) * 1000)
25
26#endif /* defined(_S390_DELAY_H) */