Release 4.14 arch/mips/cobalt/irq.c

/*
 * IRQ vector handles
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 1995, 1996, 1997, 2003 by Ralf Baechle
 */
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/pci.h>

#include <asm/i8259.h>
#include <asm/irq_cpu.h>
#include <asm/irq_gt641xx.h>
#include <asm/gt64120.h>

#include <irq.h>



asmlinkage void plat_irq_dispatch(void)
{
	unsigned pending = read_c0_status() & read_c0_cause() & ST0_IM;
	int irq;

	if (pending & CAUSEF_IP2)
		gt641xx_irq_dispatch();
	else if (pending & CAUSEF_IP6) {
		irq = i8259_irq();
		if (irq < 0)
			spurious_interrupt();
		else
			do_IRQ(irq);
	} else if (pending & CAUSEF_IP3)
		do_IRQ(MIPS_CPU_IRQ_BASE + 3);
	else if (pending & CAUSEF_IP4)
		do_IRQ(MIPS_CPU_IRQ_BASE + 4);
	else if (pending & CAUSEF_IP5)
		do_IRQ(MIPS_CPU_IRQ_BASE + 5);
	else if (pending & CAUSEF_IP7)
		do_IRQ(MIPS_CPU_IRQ_BASE + 7);
	else
		spurious_interrupt();
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Ralf Bächle
46
38.33%
3
60.00%
Andrew Morton
44
36.67%
1
20.00%
Yoichi Yuasa
30
25.00%
1
20.00%
Total
120
100.00%
5
100.00%


static struct irqaction cascade = {
	.handler	= no_action,
	.name		= "cascade",
	.flags		= IRQF_NO_THREAD,
};



void __init arch_init_irq(void)
{
	mips_cpu_irq_init();
	gt641xx_irq_init();
	init_i8259_irqs();

	setup_irq(GT641XX_CASCADE_IRQ, &cascade);
	setup_irq(I8259_CASCADE_IRQ, &cascade);
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Ralf Bächle
21
63.64%
3
50.00%
Yoichi Yuasa
10
30.30%
1
16.67%
Andrew Morton
1
3.03%
1
16.67%
Atsushi Nemoto
1
3.03%
1
16.67%
Total
33
100.00%
6
100.00%

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Ralf Bächle
99
48.06%
4
44.44%
Andrew Morton
48
23.30%
1
11.11%
Yoichi Yuasa
47
22.82%
1
11.11%
Thomas Gleixner
6
2.91%
1
11.11%
Wu Zhangjin
5
2.43%
1
11.11%
Atsushi Nemoto
1
0.49%
1
11.11%
Total
206
100.00%
9
100.00%
Directory: arch/mips/cobalt

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