android_kernel_samsung_msm8976/arch/arm/mach-footbridge/dc21285-timer.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

69 lines
1.3 KiB
C

/*
* linux/arch/arm/mach-footbridge/dc21285-timer.c
*
* Copyright (C) 1998 Russell King.
* Copyright (C) 1998 Phil Blundell
*/
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <asm/irq.h>
#include <asm/hardware/dec21285.h>
#include <asm/mach/time.h>
#include "common.h"
/*
* Footbridge timer 1 support.
*/
static unsigned long timer1_latch;
static unsigned long timer1_gettimeoffset (void)
{
unsigned long value = timer1_latch - *CSR_TIMER1_VALUE;
return ((tick_nsec / 1000) * value) / timer1_latch;
}
static irqreturn_t
timer1_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
write_seqlock(&xtime_lock);
*CSR_TIMER1_CLR = 0;
timer_tick(regs);
write_sequnlock(&xtime_lock);
return IRQ_HANDLED;
}
static struct irqaction footbridge_timer_irq = {
.name = "Timer1 timer tick",
.handler = timer1_interrupt,
.flags = IRQF_DISABLED | IRQF_TIMER,
};
/*
* Set up timer interrupt.
*/
static void __init footbridge_timer_init(void)
{
timer1_latch = (mem_fclk_21285 + 8 * HZ) / (16 * HZ);
*CSR_TIMER1_CLR = 0;
*CSR_TIMER1_LOAD = timer1_latch;
*CSR_TIMER1_CNTL = TIMER_CNTL_ENABLE | TIMER_CNTL_AUTORELOAD | TIMER_CNTL_DIV16;
setup_irq(IRQ_TIMER1, &footbridge_timer_irq);
isa_rtc_init();
}
struct sys_timer footbridge_timer = {
.init = footbridge_timer_init,
.offset = timer1_gettimeoffset,
};