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941e492bdb
- All implementations can be __devinit - The function prototypes were in asm/timex.h but they all must be the same, so create a single declaration in linux/timex.h. - uninline the sparc64 version to match the other architectures - Don't bother #defining ARCH_HAS_READ_CURRENT_TIMER to a particular value. [ezk@cs.sunysb.edu: fix build] Cc: "David S. Miller" <davem@davemloft.net> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
/*
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* Copyright (C) 2004-2006 Atmel Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __ASM_AVR32_TIMEX_H
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#define __ASM_AVR32_TIMEX_H
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/*
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* This is the frequency of the timer used for Linux's timer interrupt.
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* The value should be defined as accurate as possible or under certain
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* circumstances Linux timekeeping might become inaccurate or fail.
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*
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* For many system the exact clockrate of the timer isn't known but due to
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* the way this value is used we can get away with a wrong value as long
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* as this value is:
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*
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* - a multiple of HZ
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* - a divisor of the actual rate
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*
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* 500000 is a good such cheat value.
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*
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* The obscure number 1193182 is the same as used by the original i8254
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* time in legacy PC hardware; the chip is never found in AVR32 systems.
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*/
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#define CLOCK_TICK_RATE 500000 /* Underlying HZ */
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typedef unsigned long cycles_t;
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static inline cycles_t get_cycles (void)
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{
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return 0;
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}
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#define ARCH_HAS_READ_CURRENT_TIMER
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#endif /* __ASM_AVR32_TIMEX_H */
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