2005-04-16 15:20:36 -07:00
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/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1994 by Waldorf Electronics
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* Copyright (C) 1995 - 2000, 01, 03 by Ralf Baechle
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* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
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2007-10-23 12:43:11 +01:00
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* Copyright (C) 2007 Maciej W. Rozycki
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2005-04-16 15:20:36 -07:00
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*/
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#ifndef _ASM_DELAY_H
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#define _ASM_DELAY_H
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2009-08-28 12:29:58 +01:00
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#include <linux/param.h>
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2012-09-28 11:34:10 -07:00
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extern void __delay(unsigned long loops);
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extern void __ndelay(unsigned long ns);
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extern void __udelay(unsigned long us);
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2007-10-23 12:43:11 +01:00
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2009-06-12 17:28:00 +01:00
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#define ndelay(ns) __ndelay(ns)
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2009-02-28 09:44:28 +00:00
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#define udelay(us) __udelay(us)
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2005-04-16 15:20:36 -07:00
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2005-11-05 02:02:54 +09:00
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/* make sure "usecs *= ..." in udelay do not overflow. */
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#if HZ >= 1000
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#define MAX_UDELAY_MS 1
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#elif HZ <= 200
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#define MAX_UDELAY_MS 5
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#else
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#define MAX_UDELAY_MS (1000 / HZ)
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#endif
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2005-04-16 15:20:36 -07:00
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#endif /* _ASM_DELAY_H */
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