linux_dsm_epyc7002/arch/s390/include/asm/delay.h
Heiko Carstens 0cd6a403e8 [S390] Provide arch specific mdelay implementation.
Use an own implementation instead of the common code udelay loop.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2009-10-06 10:35:08 +02:00

25 lines
685 B
C

/*
* include/asm-s390/delay.h
*
* S390 version
* Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
* Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
*
* Derived from "include/asm-i386/delay.h"
* Copyright (C) 1993 Linus Torvalds
*
* Delay routines calling functions in arch/s390/lib/delay.c
*/
#ifndef _S390_DELAY_H
#define _S390_DELAY_H
extern void __udelay(unsigned long long usecs);
extern void udelay_simple(unsigned long long usecs);
extern void __delay(unsigned long loops);
#define udelay(n) __udelay((unsigned long long) (n))
#define mdelay(n) __udelay((unsigned long long) (n) * 1000)
#endif /* defined(_S390_DELAY_H) */