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32 lines
841 B
32 lines
841 B
/* |
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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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* Copyright (C) 2007 Maciej W. Rozycki |
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*/ |
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#ifndef _ASM_DELAY_H |
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#define _ASM_DELAY_H |
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#include <linux/param.h> |
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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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#define ndelay(ns) __ndelay(ns) |
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#define udelay(us) __udelay(us) |
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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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#endif /* _ASM_DELAY_H */
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