| 1 | |
| 2 | * This file is subject to the terms and conditions of the GNU General Public
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| 3 | * License. See the file "COPYING" in the main directory of this archive
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| 4 | * for more details.
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| 5 | *
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| 6 | * Copyright (C) 1994 by Waldorf Electronics
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| 7 | * Copyright (C) 1995 - 2000, 01, 03 by Ralf Baechle
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| 8 | * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
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| 9 | * Copyright (C) 2007 Maciej W. Rozycki
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| 10 |
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| 11 | #ifndef _ASM_DELAY_H
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| 12 | #define _ASM_DELAY_H
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| 13 |
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| 14 | #include <linux/param.h>
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| 15 |
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| 16 | extern void __delay(unsigned long loops);
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| 17 | extern void __ndelay(unsigned long ns);
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| 18 | extern void __udelay(unsigned long us);
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| 19 |
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| 20 | #define ndelay(ns) __ndelay(ns)
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| 21 | #define udelay(us) __udelay(us)
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| 22 |
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| 23 |
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| 24 | #if HZ >= 1000
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| 25 | #define MAX_UDELAY_MS 1
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| 26 | #elif HZ <= 200
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| 27 | #define MAX_UDELAY_MS 5
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| 28 | #else
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| 29 | #define MAX_UDELAY_MS (1000 / HZ)
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| 30 | #endif
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| 31 |
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| 32 | #endif
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