ARM / SA1100: Use struct syscore_ops for "core" power management

Replace the sysdev class and struct sys_device used for power
management by the SA1100 interrupt-handling code with a
struct syscore_ops object which is simpler.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/arch/arm/mach-sa1100/irq.c b/arch/arm/mach-sa1100/irq.c
index 423ddb3d65e9c8e0b50743414559852d4b9197b0..dfbf824a69fab02326dbc52a8c1ac2799dbacc71 100644 (file)
--- a/arch/arm/mach-sa1100/irq.c
+++ b/arch/arm/mach-sa1100/irq.c
@@ -14,7 +14,7 @@
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/ioport.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
 
 #include <mach/hardware.h>
 #include <asm/mach/irq.h>
@@ -234,7 +234,7 @@ static struct sa1100irq_state {
        unsigned int    iccr;
 } sa1100irq_state;
 
-static int sa1100irq_suspend(struct sys_device *dev, pm_message_t state)
+static int sa1100irq_suspend(void)
 {
        struct sa1100irq_state *st = &sa1100irq_state;
 
@@ -264,7 +264,7 @@ static int sa1100irq_suspend(struct sys_device *dev, pm_message_t state)
        return 0;
 }
 
-static int sa1100irq_resume(struct sys_device *dev)
+static void sa1100irq_resume(void)
 {
        struct sa1100irq_state *st = &sa1100irq_state;
 
@@ -277,24 +277,17 @@ static int sa1100irq_resume(struct sys_device *dev)
 
                ICMR = st->icmr;
        }
-       return 0;
 }
 
-static struct sysdev_class sa1100irq_sysclass = {
-       .name           = "sa11x0-irq",
+static struct syscore_ops sa1100irq_syscore_ops = {
        .suspend        = sa1100irq_suspend,
        .resume         = sa1100irq_resume,
 };
 
-static struct sys_device sa1100irq_device = {
-       .id             = 0,
-       .cls            = &sa1100irq_sysclass,
-};
-
 static int __init sa1100irq_init_devicefs(void)
 {
-       sysdev_class_register(&sa1100irq_sysclass);
-       return sysdev_register(&sa1100irq_device);
+       register_syscore_ops(&sa1100irq_syscore_ops);
+       return 0;
 }
 
 device_initcall(sa1100irq_init_devicefs);