timer.c

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00001 /*
00002  * Copyright (C) 2008 Michael Brown <mbrown@fensystems.co.uk>.
00003  *
00004  * This program is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU General Public License as
00006  * published by the Free Software Foundation; either version 2 of the
00007  * License, or any later version.
00008  *
00009  * This program is distributed in the hope that it will be useful, but
00010  * WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU General Public License
00015  * along with this program; if not, write to the Free Software
00016  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017  */
00018 
00019 FILE_LICENCE ( GPL2_OR_LATER );
00020 
00021 #include <unistd.h>
00022 
00023 /**
00024  * Delay for a fixed number of milliseconds
00025  *
00026  * @v msecs             Number of milliseconds for which to delay
00027  */
00028 void mdelay ( unsigned long msecs ) {
00029         while ( msecs-- )
00030                 udelay ( 1000 );
00031 }
00032 
00033 /**
00034  * Delay for a fixed number of seconds
00035  *
00036  * @v secs              Number of seconds for which to delay
00037  */
00038 unsigned int sleep ( unsigned int secs ) {
00039         while ( secs-- )
00040                 mdelay ( 1000 );
00041         return 0;
00042 }