===================================================================
@@ -21,7 +21,7 @@
#include <linux/timex.h>
#include <linux/errno.h>
#include <linux/profile.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
#include <linux/timer.h>
#include <linux/irq.h>
@@ -115,48 +115,37 @@ void timer_tick(void)
#endif
#if defined(CONFIG_PM) && !defined(CONFIG_GENERIC_CLOCKEVENTS)
-static int timer_suspend(struct sys_device *dev, pm_message_t state)
+static int timer_suspend(void)
{
- struct sys_timer *timer = container_of(dev, struct sys_timer, dev);
-
- if (timer->suspend != NULL)
- timer->suspend();
+ if (system_timer->suspend)
+ system_timer->suspend();
return 0;
}
-static int timer_resume(struct sys_device *dev)
+static void timer_resume(void)
{
- struct sys_timer *timer = container_of(dev, struct sys_timer, dev);
-
- if (timer->resume != NULL)
- timer->resume();
-
- return 0;
+ if (system_timer->resume)
+ system_timer->resume();
}
#else
#define timer_suspend NULL
#define timer_resume NULL
#endif
-static struct sysdev_class timer_sysclass = {
- .name = "timer",
+static struct syscore_ops timer_syscore_ops = {
.suspend = timer_suspend,
.resume = timer_resume,
};
-static int __init timer_init_sysfs(void)
+static int __init timer_init_syscore_ops(void)
{
- int ret = sysdev_class_register(&timer_sysclass);
- if (ret == 0) {
- system_timer->dev.cls = &timer_sysclass;
- ret = sysdev_register(&system_timer->dev);
- }
+ register_syscore_ops(&timer_syscore_ops);
- return ret;
+ return 0;
}
-device_initcall(timer_init_sysfs);
+device_initcall(timer_init_syscore_ops);
void __init time_init(void)
{
===================================================================
@@ -34,7 +34,6 @@
* timer interrupt which may be pending.
*/
struct sys_timer {
- struct sys_device dev;
void (*init)(void);
void (*suspend)(void);
void (*resume)(void);
===================================================================
@@ -10,6 +10,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
#include <asm/leds.h>
@@ -69,36 +70,37 @@ static ssize_t leds_store(struct sys_dev
static SYSDEV_ATTR(event, 0200, NULL, leds_store);
-static int leds_suspend(struct sys_device *dev, pm_message_t state)
+static struct sysdev_class leds_sysclass = {
+ .name = "leds",
+};
+
+static struct sys_device leds_device = {
+ .id = 0,
+ .cls = &leds_sysclass,
+};
+
+static int leds_suspend(void)
{
leds_event(led_stop);
return 0;
}
-static int leds_resume(struct sys_device *dev)
+static void leds_resume(void)
{
leds_event(led_start);
- return 0;
}
-static int leds_shutdown(struct sys_device *dev)
+static void leds_shutdown(void)
{
leds_event(led_halted);
- return 0;
}
-static struct sysdev_class leds_sysclass = {
- .name = "leds",
+static struct syscore_ops leds_syscore_ops = {
.shutdown = leds_shutdown,
.suspend = leds_suspend,
.resume = leds_resume,
};
-static struct sys_device leds_device = {
- .id = 0,
- .cls = &leds_sysclass,
-};
-
static int __init leds_init(void)
{
int ret;
@@ -107,6 +109,8 @@ static int __init leds_init(void)
ret = sysdev_register(&leds_device);
if (ret == 0)
ret = sysdev_create_file(&leds_device, &attr_event);
+ if (ret == 0)
+ register_syscore_ops(&leds_syscore_ops);
return ret;
}
===================================================================
@@ -22,17 +22,16 @@
#include <linux/init.h>
#include <linux/list.h>
#include <linux/io.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
#include <linux/device.h>
#include <linux/amba/bus.h>
#include <asm/mach/irq.h>
#include <asm/hardware/vic.h>
-#if defined(CONFIG_PM)
+#ifdef CONFIG_PM
/**
* struct vic_device - VIC PM device
- * @sysdev: The system device which is registered.
* @irq: The IRQ number for the base of the VIC.
* @base: The register base for the VIC.
* @resume_sources: A bitmask of interrupts for resume.
@@ -43,8 +42,6 @@
* @protect: Save for VIC_PROTECT.
*/
struct vic_device {
- struct sys_device sysdev;
-
void __iomem *base;
int irq;
u32 resume_sources;
@@ -59,11 +56,6 @@ struct vic_device {
static struct vic_device vic_devices[CONFIG_ARM_VIC_NR];
static int vic_id;
-
-static inline struct vic_device *to_vic(struct sys_device *sys)
-{
- return container_of(sys, struct vic_device, sysdev);
-}
#endif /* CONFIG_PM */
/**
@@ -85,10 +77,9 @@ static void vic_init2(void __iomem *base
writel(32, base + VIC_PL190_DEF_VECT_ADDR);
}
-#if defined(CONFIG_PM)
-static int vic_class_resume(struct sys_device *dev)
+#ifdef CONFIG_PM
+static void resume_one_vic(struct vic_device *vic)
{
- struct vic_device *vic = to_vic(dev);
void __iomem *base = vic->base;
printk(KERN_DEBUG "%s: resuming vic at %p\n", __func__, base);
@@ -107,13 +98,18 @@ static int vic_class_resume(struct sys_d
writel(vic->soft_int, base + VIC_INT_SOFT);
writel(~vic->soft_int, base + VIC_INT_SOFT_CLEAR);
+}
- return 0;
+static void vic_resume(void)
+{
+ int id;
+
+ for (id = vic_id - 1; id >= 0; id--)
+ resume_one_vic(vic_devices + id);
}
-static int vic_class_suspend(struct sys_device *dev, pm_message_t state)
+static void suspend_one_vic(struct vic_device *vic)
{
- struct vic_device *vic = to_vic(dev);
void __iomem *base = vic->base;
printk(KERN_DEBUG "%s: suspending vic at %p\n", __func__, base);
@@ -128,14 +124,21 @@ static int vic_class_suspend(struct sys_
writel(vic->resume_irqs, base + VIC_INT_ENABLE);
writel(~vic->resume_irqs, base + VIC_INT_ENABLE_CLEAR);
+}
+
+static int vic_suspend(void)
+{
+ int id;
+
+ for (id = 0; id < vic_id; id++)
+ suspend_one_vic(vic_devices + id);
return 0;
}
-struct sysdev_class vic_class = {
- .name = "vic",
- .suspend = vic_class_suspend,
- .resume = vic_class_resume,
+struct syscore_ops vic_syscore_ops = {
+ .suspend = vic_suspend,
+ .resume = vic_resume,
};
/**
@@ -147,30 +150,8 @@ struct sysdev_class vic_class = {
*/
static int __init vic_pm_init(void)
{
- struct vic_device *dev = vic_devices;
- int err;
- int id;
-
- if (vic_id == 0)
- return 0;
-
- err = sysdev_class_register(&vic_class);
- if (err) {
- printk(KERN_ERR "%s: cannot register class\n", __func__);
- return err;
- }
-
- for (id = 0; id < vic_id; id++, dev++) {
- dev->sysdev.id = id;
- dev->sysdev.cls = &vic_class;
-
- err = sysdev_register(&dev->sysdev);
- if (err) {
- printk(KERN_ERR "%s: failed to register device\n",
- __func__);
- return err;
- }
- }
+ if (vic_id > 0)
+ register_syscore_ops(&vic_syscore_ops);
return 0;
}
===================================================================
@@ -378,9 +378,9 @@ static void vfp_enable(void *unused)
}
#ifdef CONFIG_PM
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
-static int vfp_pm_suspend(struct sys_device *dev, pm_message_t state)
+static int vfp_pm_suspend(void)
{
struct thread_info *ti = current_thread_info();
u32 fpexc = fmrx(FPEXC);
@@ -400,34 +400,25 @@ static int vfp_pm_suspend(struct sys_dev
return 0;
}
-static int vfp_pm_resume(struct sys_device *dev)
+static void vfp_pm_resume(void)
{
/* ensure we have access to the vfp */
vfp_enable(NULL);
/* and disable it to ensure the next usage restores the state */
fmxr(FPEXC, fmrx(FPEXC) & ~FPEXC_EN);
-
- return 0;
}
-static struct sysdev_class vfp_pm_sysclass = {
- .name = "vfp",
+static struct syscore_ops vfp_pm_syscore_ops = {
.suspend = vfp_pm_suspend,
.resume = vfp_pm_resume,
};
-static struct sys_device vfp_pm_sysdev = {
- .cls = &vfp_pm_sysclass,
-};
-
static void vfp_pm_init(void)
{
- sysdev_class_register(&vfp_pm_sysclass);
- sysdev_register(&vfp_pm_sysdev);
+ register_syscore_ops(&vfp_pm_syscore_ops);
}
-
#else
static inline void vfp_pm_init(void) { }
#endif /* CONFIG_PM */