1 files changed, 16 insertions, 66 deletions

diff --git a/arch/unicore32/kernel/irq.c b/arch/unicore32/kernel/irq.c
index b23624cf306..0be5ccd7ccd 100644
--- a/arch/unicore32/kernel/irq.c
+++ b/arch/unicore32/kernel/irq.c
@@ -23,10 +23,9 @@
 #include <linux/list.h>
 #include <linux/kallsyms.h>
 #include <linux/proc_fs.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
 #include <linux/gpio.h>
 
-#include <asm/system.h>
 #include <mach/hardware.h>
 
 #include "setup.h"
@@ -237,7 +236,7 @@ static struct puv3_irq_state {
 	unsigned int	iccr;
 } puv3_irq_state;
 
-static int puv3_irq_suspend(struct sys_device *dev, pm_message_t state)
+static int puv3_irq_suspend(void)
 {
 	struct puv3_irq_state *st = &puv3_irq_state;
 
@@ -265,7 +264,7 @@ static int puv3_irq_suspend(struct sys_device *dev, pm_message_t state)
 	return 0;
 }
 
-static int puv3_irq_resume(struct sys_device *dev)
+static void puv3_irq_resume(void)
 {
 	struct puv3_irq_state *st = &puv3_irq_state;
 
@@ -278,27 +277,20 @@ static int puv3_irq_resume(struct sys_device *dev)
 
 		writel(st->icmr, INTC_ICMR);
 	}
-	return 0;
 }
 
-static struct sysdev_class puv3_irq_sysclass = {
-	.name		= "pkunity-irq",
+static struct syscore_ops puv3_irq_syscore_ops = {
 	.suspend	= puv3_irq_suspend,
 	.resume		= puv3_irq_resume,
 };
 
-static struct sys_device puv3_irq_device = {
-	.id		= 0,
-	.cls		= &puv3_irq_sysclass,
-};
-
-static int __init puv3_irq_init_devicefs(void)
+static int __init puv3_irq_init_syscore(void)
 {
-	sysdev_class_register(&puv3_irq_sysclass);
-	return sysdev_register(&puv3_irq_device);
+	register_syscore_ops(&puv3_irq_syscore_ops);
+	return 0;
 }
 
-device_initcall(puv3_irq_init_devicefs);
+device_initcall(puv3_irq_init_syscore);
 
 void __init init_IRQ(void)
 {
@@ -321,24 +313,24 @@ void __init init_IRQ(void)
 	writel(1, INTC_ICCR);
 
 	for (irq = 0; irq < IRQ_GPIOHIGH; irq++) {
-		set_irq_chip(irq, &puv3_low_gpio_chip);
-		set_irq_handler(irq, handle_edge_irq);
+		irq_set_chip(irq, &puv3_low_gpio_chip);
+		irq_set_handler(irq, handle_edge_irq);
 		irq_modify_status(irq,
 			IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN,
 			0);
 	}
 
 	for (irq = IRQ_GPIOHIGH + 1; irq < IRQ_GPIO0; irq++) {
-		set_irq_chip(irq, &puv3_normal_chip);
-		set_irq_handler(irq, handle_level_irq);
+		irq_set_chip(irq, &puv3_normal_chip);
+		irq_set_handler(irq, handle_level_irq);
 		irq_modify_status(irq,
 			IRQ_NOREQUEST | IRQ_NOAUTOEN,
 			IRQ_NOPROBE);
 	}
 
 	for (irq = IRQ_GPIO0; irq <= IRQ_GPIO27; irq++) {
-		set_irq_chip(irq, &puv3_high_gpio_chip);
-		set_irq_handler(irq, handle_edge_irq);
+		irq_set_chip(irq, &puv3_high_gpio_chip);
+		irq_set_handler(irq, handle_edge_irq);
 		irq_modify_status(irq,
 			IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN,
 			0);
@@ -347,56 +339,14 @@ void __init init_IRQ(void)
 	/*
 	 * Install handler for GPIO 0-27 edge detect interrupts
 	 */
-	set_irq_chip(IRQ_GPIOHIGH, &puv3_normal_chip);
-	set_irq_chained_handler(IRQ_GPIOHIGH, puv3_gpio_handler);
+	irq_set_chip(IRQ_GPIOHIGH, &puv3_normal_chip);
+	irq_set_chained_handler(IRQ_GPIOHIGH, puv3_gpio_handler);
 
 #ifdef CONFIG_PUV3_GPIO
 	puv3_init_gpio();
 #endif
 }
 
-int show_interrupts(struct seq_file *p, void *v)
-{
-	int i = *(loff_t *) v, cpu;
-	struct irq_desc *desc;
-	struct irqaction *action;
-	unsigned long flags;
-
-	if (i == 0) {
-		char cpuname[12];
-
-		seq_printf(p, "    ");
-		for_each_present_cpu(cpu) {
-			sprintf(cpuname, "CPU%d", cpu);
-			seq_printf(p, " %10s", cpuname);
-		}
-		seq_putc(p, '\n');
-	}
-
-	if (i < nr_irqs) {
-		desc = irq_to_desc(i);
-		raw_spin_lock_irqsave(&desc->lock, flags);
-		action = desc->action;
-		if (!action)
-			goto unlock;
-
-		seq_printf(p, "%3d: ", i);
-		for_each_present_cpu(cpu)
-			seq_printf(p, "%10u ", kstat_irqs_cpu(i, cpu));
-		seq_printf(p, " %10s", desc->irq_data.chip->name ? : "-");
-		seq_printf(p, "  %s", action->name);
-		for (action = action->next; action; action = action->next)
-			seq_printf(p, ", %s", action->name);
-
-		seq_putc(p, '\n');
-unlock:
-		raw_spin_unlock_irqrestore(&desc->lock, flags);
-	} else if (i == nr_irqs) {
-		seq_printf(p, "Error in interrupt!\n");
-	}
-	return 0;
-}
-
 /*
  * do_IRQ handles all hardware IRQ's.  Decoded IRQs should not
  * come via this function.  Instead, they should provide their