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5cfc8ee0bb
Convert arm to use GENERIC_TIME via the arch_getoffset() infrastructure, reducing the amount of arch specific code we need to maintain. The arm architecture is the last arch that need to be converted. Signed-off-by: John Stultz <johnstul@us.ibm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org>
50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/*
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* arch/arm/include/asm/mach/time.h
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*
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* Copyright (C) 2004 MontaVista Software, Inc.
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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_ARM_MACH_TIME_H
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#define __ASM_ARM_MACH_TIME_H
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#include <linux/sysdev.h>
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/*
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* This is our kernel timer structure.
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*
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* - init
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* Initialise the kernels jiffy timer source, claim interrupt
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* using setup_irq. This is called early on during initialisation
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* while interrupts are still disabled on the local CPU.
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* - suspend
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* Suspend the kernel jiffy timer source, if necessary. This
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* is called with interrupts disabled, after all normal devices
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* have been suspended. If no action is required, set this to
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* NULL.
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* - resume
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* Resume the kernel jiffy timer source, if necessary. This
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* is called with interrupts disabled before any normal devices
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* are resumed. If no action is required, set this to NULL.
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* - offset
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* Return the timer offset in microseconds since the last timer
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* interrupt. Note: this must take account of any unprocessed
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* timer interrupt which may be pending.
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*/
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struct sys_timer {
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struct sys_device dev;
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void (*init)(void);
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void (*suspend)(void);
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void (*resume)(void);
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#ifdef CONFIG_ARCH_USES_GETTIMEOFFSET
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unsigned long (*offset)(void);
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#endif
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};
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extern struct sys_timer *system_timer;
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extern void timer_tick(void);
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#endif
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