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: Haavard Skinnemoen <hskinnemoen@atmel.com>
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@ -1,5 +1,5 @@
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/*
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* Copyright (C) 2006 Atmel Corporation
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* Copyright (C) 2006, 2008 Atmel Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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@ -12,14 +12,16 @@
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <linux/platform_device.h>
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#include <linux/sysdev.h>
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#include <asm/io.h>
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#include "intc.h"
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struct intc {
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void __iomem *regs;
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struct irq_chip chip;
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void __iomem *regs;
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struct irq_chip chip;
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struct sys_device sysdev;
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};
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extern struct platform_device at32_intc0_device;
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@ -136,6 +138,26 @@ fail:
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panic("Interrupt controller initialization failed!\n");
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}
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static struct sysdev_class intc_class = {
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.name = "intc",
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};
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static int __init intc_init_sysdev(void)
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{
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int ret;
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ret = sysdev_class_register(&intc_class);
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if (ret)
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return ret;
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intc0.sysdev.id = 0;
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intc0.sysdev.cls = &intc_class;
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ret = sysdev_register(&intc0.sysdev);
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return ret;
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}
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device_initcall(intc_init_sysdev);
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unsigned long intc_get_pending(unsigned int group)
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{
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return intc_readl(&intc0, INTREQ0 + 4 * group);
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