arch/s390/include/asm/delay.h at v4.9 · 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 v4.9 24 lines 682 B view raw

 1/*
 2 *  S390 version
 3 *    Copyright IBM Corp. 1999
 4 *    Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
 5 *
 6 *  Derived from "include/asm-i386/delay.h"
 7 *    Copyright (C) 1993 Linus Torvalds
 8 *
 9 *  Delay routines calling functions in arch/s390/lib/delay.c
10 */
11 
12#ifndef _S390_DELAY_H
13#define _S390_DELAY_H
14
15void __ndelay(unsigned long long nsecs);
16void __udelay(unsigned long long usecs);
17void udelay_simple(unsigned long long usecs);
18void __delay(unsigned long loops);
19
20#define ndelay(n) __ndelay((unsigned long long) (n))
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) */