mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-05 01:54:09 +08:00
f38c02f3b3
Use irq_set_chip_and_handler() instead. Converted with coccinelle. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
75 lines
1.5 KiB
C
75 lines
1.5 KiB
C
/*
|
|
* arch/arm/mach-iop32x/irq.c
|
|
*
|
|
* Generic IOP32X IRQ handling functionality
|
|
*
|
|
* Author: Rory Bolt <rorybolt@pacbell.net>
|
|
* Copyright (C) 2002 Rory Bolt
|
|
*
|
|
* 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/init.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/list.h>
|
|
#include <asm/mach/irq.h>
|
|
#include <asm/irq.h>
|
|
#include <mach/hardware.h>
|
|
#include <asm/mach-types.h>
|
|
|
|
static u32 iop32x_mask;
|
|
|
|
static void intctl_write(u32 val)
|
|
{
|
|
asm volatile("mcr p6, 0, %0, c0, c0, 0" : : "r" (val));
|
|
}
|
|
|
|
static void intstr_write(u32 val)
|
|
{
|
|
asm volatile("mcr p6, 0, %0, c4, c0, 0" : : "r" (val));
|
|
}
|
|
|
|
static void
|
|
iop32x_irq_mask(struct irq_data *d)
|
|
{
|
|
iop32x_mask &= ~(1 << d->irq);
|
|
intctl_write(iop32x_mask);
|
|
}
|
|
|
|
static void
|
|
iop32x_irq_unmask(struct irq_data *d)
|
|
{
|
|
iop32x_mask |= 1 << d->irq;
|
|
intctl_write(iop32x_mask);
|
|
}
|
|
|
|
struct irq_chip ext_chip = {
|
|
.name = "IOP32x",
|
|
.irq_ack = iop32x_irq_mask,
|
|
.irq_mask = iop32x_irq_mask,
|
|
.irq_unmask = iop32x_irq_unmask,
|
|
};
|
|
|
|
void __init iop32x_init_irq(void)
|
|
{
|
|
int i;
|
|
|
|
iop_init_cp6_handler();
|
|
|
|
intctl_write(0);
|
|
intstr_write(0);
|
|
if (machine_is_glantank() ||
|
|
machine_is_iq80321() ||
|
|
machine_is_iq31244() ||
|
|
machine_is_n2100() ||
|
|
machine_is_em7210())
|
|
*IOP3XX_PCIIRSR = 0x0f;
|
|
|
|
for (i = 0; i < NR_IRQS; i++) {
|
|
irq_set_chip_and_handler(i, &ext_chip, handle_level_irq);
|
|
set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
|
|
}
|
|
}
|