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author | Haavard Skinnemoen <hskinnemoen@atmel.com> | 2008-02-24 14:26:03 +0100 |
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committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-07-02 11:05:01 +0200 |
commit | aa8e87ca619a3d1944874e85d74fda90607c73b9 (patch) | |
tree | 9c80fc66f16e665a4247db402210e043b09b7bee /arch/avr32 | |
parent | b83d6ee17588f1a4fbfc8ef0451b0900a5ef5950 (diff) | |
download | kernel_samsung_espresso10-aa8e87ca619a3d1944874e85d74fda90607c73b9.zip kernel_samsung_espresso10-aa8e87ca619a3d1944874e85d74fda90607c73b9.tar.gz kernel_samsung_espresso10-aa8e87ca619a3d1944874e85d74fda90607c73b9.tar.bz2 |
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>
Diffstat (limited to 'arch/avr32')
-rw-r--r-- | arch/avr32/mach-at32ap/intc.c | 28 |
1 files changed, 25 insertions, 3 deletions
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 @@ 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); |