linux/arch/arm/mach-lh7a40x/time.c
Thomas Gleixner 52e405eaa9 [PATCH] ARM: fixup irqflags breakage after ARM genirq merge
The irgflags consolidation did conflict with the ARM to generic IRQ
conversion and was not applied for ARM. Fix it up.

Use the new IRQF_ constants and remove the SA_INTERRUPT define

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-07-02 17:29:22 -07:00

75 lines
1.7 KiB
C

/*
* arch/arm/mach-lh7a40x/time.c
*
* Copyright (C) 2004 Logic Product Development
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/time.h>
#include <asm/hardware.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/leds.h>
#include <asm/mach/time.h>
#include "common.h"
#if HZ < 100
# define TIMER_CONTROL TIMER_CONTROL2
# define TIMER_LOAD TIMER_LOAD2
# define TIMER_CONSTANT (508469/HZ)
# define TIMER_MODE (TIMER_C_ENABLE | TIMER_C_PERIODIC | TIMER_C_508KHZ)
# define TIMER_EOI TIMER_EOI2
# define TIMER_IRQ IRQ_T2UI
#else
# define TIMER_CONTROL TIMER_CONTROL3
# define TIMER_LOAD TIMER_LOAD3
# define TIMER_CONSTANT (3686400/HZ)
# define TIMER_MODE (TIMER_C_ENABLE | TIMER_C_PERIODIC)
# define TIMER_EOI TIMER_EOI3
# define TIMER_IRQ IRQ_T3UI
#endif
static irqreturn_t
lh7a40x_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
write_seqlock(&xtime_lock);
TIMER_EOI = 0;
timer_tick(regs);
write_sequnlock(&xtime_lock);
return IRQ_HANDLED;
}
static struct irqaction lh7a40x_timer_irq = {
.name = "LHA740x Timer Tick",
.flags = IRQF_DISABLED | IRQF_TIMER,
.handler = lh7a40x_timer_interrupt,
};
static void __init lh7a40x_timer_init (void)
{
/* Stop/disable all timers */
TIMER_CONTROL1 = 0;
TIMER_CONTROL2 = 0;
TIMER_CONTROL3 = 0;
setup_irq (TIMER_IRQ, &lh7a40x_timer_irq);
TIMER_LOAD = TIMER_CONSTANT;
TIMER_CONTROL = TIMER_MODE;
}
struct sys_timer lh7a40x_timer = {
.init = &lh7a40x_timer_init,
};