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Subject[PATCH 6/14] ARM / SA1100: Use struct syscore_ops for "core" power management
Date
From: Rafael J. Wysocki <rjw@sisk.pl>

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>
---
arch/arm/mach-sa1100/irq.c | 19 ++++++-------------
1 file changed, 6 insertions(+), 13 deletions(-)

Index: linux-2.6/arch/arm/mach-sa1100/irq.c
===================================================================
--- linux-2.6.orig/arch/arm/mach-sa1100/irq.c
+++ linux-2.6/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_
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_d

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);


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