arch/tile/lib/delay.c

   1 /*
   2  * Copyright 2010 Tilera Corporation. All Rights Reserved.
   3  *
   4  *   This program is free software; you can redistribute it and/or
   5  *   modify it under the terms of the GNU General Public License
   6  *   as published by the Free Software Foundation, version 2.
   7  *
   8  *   This program is distributed in the hope that it will be useful, but
   9  *   WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  11  *   NON INFRINGEMENT.  See the GNU General Public License for
  12  *   more details.
  13  */
  14
  15 #include <linux/module.h>
  16 #include <linux/delay.h>
  17 #include <linux/thread_info.h>
  18 #include <asm/fixmap.h>
  19 #include <hv/hypervisor.h>
  20
  21 void __udelay(unsigned long usecs)
  22 {
  23         hv_nanosleep(usecs * 1000);
  24 }
  25 EXPORT_SYMBOL(__udelay);
  26
  27 void __ndelay(unsigned long nsecs)
  28 {
  29         hv_nanosleep(nsecs);
  30 }
  31 EXPORT_SYMBOL(__ndelay);
  32
  33 /* FIXME: should be declared in a header somewhere. */
  34 EXPORT_SYMBOL(__delay);