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Commit aa8e87ca authored by Haavard Skinnemoen's avatar Haavard Skinnemoen Committed by Haavard Skinnemoen
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avr32: Add system device for the internal interrupt controller (intc) 



This makes the intc show up in sysfs (probably not very useful), and
allows us to easily add suspend/resume support later.

Signed-off-by: default avatarHaavard Skinnemoen <hskinnemoen@atmel.com>
parent b83d6ee1

arch/avr32/mach-at32ap/intc.c

+25 −3
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2006 Atmel Corporation

 * Copyright (C) 2006, 2008 Atmel Corporation

 *

 * 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
@@ -12,6 +12,7 @@ 
#include <linux/interrupt.h>

#include <linux/irq.h>

#include <linux/platform_device.h>

#include <linux/sysdev.h>



#include <asm/io.h>
@@ -20,6 +21,7 @@ 
struct intc {

	void __iomem		*regs;

	struct irq_chip		chip;

	struct sys_device	sysdev;

};



extern struct platform_device at32_intc0_device;
@@ -136,6 +138,26 @@ fail: 
	panic("Interrupt controller initialization failed!\n");

}



static struct sysdev_class intc_class = {

	.name	= "intc",

};



static int __init intc_init_sysdev(void)

{

	int ret;



	ret = sysdev_class_register(&intc_class);

	if (ret)

		return ret;



	intc0.sysdev.id = 0;

	intc0.sysdev.cls = &intc_class;

	ret = sysdev_register(&intc0.sysdev);



	return ret;

}

device_initcall(intc_init_sysdev);



unsigned long intc_get_pending(unsigned int group)

{

	return intc_readl(&intc0, INTREQ0 + 4 * group);