include/asm-cris/delay.h

   1 #ifndef _CRIS_DELAY_H
   2 #define _CRIS_DELAY_H
   3
   4 /*
   5  * Copyright (C) 1998-2002 Axis Communications AB
   6  *
   7  * Delay routines, using a pre-computed "loops_per_second" value.
   8  */
   9
  10 #include <asm/arch/delay.h>
  11
  12 /* Use only for very small delays ( < 1 msec).  */
  13
  14 extern unsigned long loops_per_usec; /* arch/cris/mm/init.c */
  15
  16 /* May be defined by arch/delay.h. */
  17 #ifndef udelay
  18 static inline void udelay(unsigned long usecs)
  19 {
  20         __delay(usecs * loops_per_usec);
  21 }
  22 #endif
  23
  24 #endif /* defined(_CRIS_DELAY_H) */
  25
  26
  27