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>
diff --git a/arch/avr32/mach-at32ap/intc.c b/arch/avr32/mach-at32ap/intc.c
index 097cf4e..644a3fb 100644
--- a/arch/avr32/mach-at32ap/intc.c
+++ b/arch/avr32/mach-at32ap/intc.c
@@ -1,5 +1,5 @@
/*
- * 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
@@ -12,14 +12,16 @@
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
+#include <linux/sysdev.h>
#include <asm/io.h>
#include "intc.h"
struct intc {
- void __iomem *regs;
- struct irq_chip chip;
+ void __iomem *regs;
+ struct irq_chip chip;
+ struct sys_device sysdev;
};
extern struct platform_device at32_intc0_device;
@@ -136,6 +138,26 @@
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);