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Diffstat (limited to 'arch/arm/mach-pxa/mainstone.c')
-rw-r--r--arch/arm/mach-pxa/mainstone.c31
1 files changed, 30 insertions, 1 deletions
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index 6823ae28ae6..9896afca751 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -15,6 +15,7 @@
#include <linux/init.h>
#include <linux/device.h>
+#include <linux/sysdev.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
#include <linux/bitops.h>
@@ -62,7 +63,6 @@ static struct irqchip mainstone_irq_chip = {
.unmask = mainstone_unmask_irq,
};
-
static void mainstone_irq_handler(unsigned int irq, struct irqdesc *desc,
struct pt_regs *regs)
{
@@ -100,6 +100,35 @@ static void __init mainstone_init_irq(void)
set_irq_type(IRQ_GPIO(0), IRQT_FALLING);
}
+#ifdef CONFIG_PM
+
+static int mainstone_irq_resume(struct sys_device *dev)
+{
+ MST_INTMSKENA = mainstone_irq_enabled;
+ return 0;
+}
+
+static struct sysdev_class mainstone_irq_sysclass = {
+ set_kset_name("cpld_irq"),
+ .resume = mainstone_irq_resume,
+};
+
+static struct sys_device mainstone_irq_device = {
+ .cls = &mainstone_irq_sysclass,
+};
+
+static int __init mainstone_irq_device_init(void)
+{
+ int ret = sysdev_class_register(&mainstone_irq_sysclass);
+ if (ret == 0)
+ ret = sysdev_register(&mainstone_irq_device);
+ return ret;
+}
+
+device_initcall(mainstone_irq_device_init);
+
+#endif
+
static struct resource smc91x_resources[] = {
[0] = {