arch/s390/include/asm/delay.h

   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) */