===================================================================
@@ -21,7 +21,7 @@
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/list.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
#include <linux/seq_file.h>
#include <linux/err.h>
#include <linux/io.h>
@@ -630,68 +630,36 @@ long clk_round_parent(struct clk *clk, u
EXPORT_SYMBOL_GPL(clk_round_parent);
#ifdef CONFIG_PM
-static int clks_sysdev_suspend(struct sys_device *dev, pm_message_t state)
+static void clks_core_resume(void)
{
- static pm_message_t prev_state;
struct clk *clkp;
- switch (state.event) {
- case PM_EVENT_ON:
- /* Resumeing from hibernation */
- if (prev_state.event != PM_EVENT_FREEZE)
- break;
-
- list_for_each_entry(clkp, &clock_list, node) {
- if (likely(clkp->ops)) {
- unsigned long rate = clkp->rate;
-
- if (likely(clkp->ops->set_parent))
- clkp->ops->set_parent(clkp,
- clkp->parent);
- if (likely(clkp->ops->set_rate))
- clkp->ops->set_rate(clkp, rate);
- else if (likely(clkp->ops->recalc))
- clkp->rate = clkp->ops->recalc(clkp);
- }
+ list_for_each_entry(clkp, &clock_list, node) {
+ if (likely(clkp->ops)) {
+ unsigned long rate = clkp->rate;
+
+ if (likely(clkp->ops->set_parent))
+ clkp->ops->set_parent(clkp,
+ clkp->parent);
+ if (likely(clkp->ops->set_rate))
+ clkp->ops->set_rate(clkp, rate);
+ else if (likely(clkp->ops->recalc))
+ clkp->rate = clkp->ops->recalc(clkp);
}
- break;
- case PM_EVENT_FREEZE:
- break;
- case PM_EVENT_SUSPEND:
- break;
}
-
- prev_state = state;
- return 0;
-}
-
-static int clks_sysdev_resume(struct sys_device *dev)
-{
- return clks_sysdev_suspend(dev, PMSG_ON);
}
-static struct sysdev_class clks_sysdev_class = {
- .name = "clks",
-};
-
-static struct sysdev_driver clks_sysdev_driver = {
- .suspend = clks_sysdev_suspend,
- .resume = clks_sysdev_resume,
-};
-
-static struct sys_device clks_sysdev_dev = {
- .cls = &clks_sysdev_class,
+static struct syscore_ops clks_syscore_ops = {
+ .resume = clks_core_resume,
};
-static int __init clk_sysdev_init(void)
+static int __init clk_syscore_init(void)
{
- sysdev_class_register(&clks_sysdev_class);
- sysdev_driver_register(&clks_sysdev_class, &clks_sysdev_driver);
- sysdev_register(&clks_sysdev_dev);
+ register_syscore_ops(&clks_syscore_ops);
return 0;
}
-subsys_initcall(clk_sysdev_init);
+subsys_initcall(clk_syscore_init);
#endif
/*
===================================================================
@@ -24,7 +24,7 @@
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/sh_intc.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/radix-tree.h>
@@ -376,108 +376,70 @@ err0:
return -ENOMEM;
}
-static ssize_t
-show_intc_name(struct sys_device *dev, struct sysdev_attribute *attr, char *buf)
+static int intc_suspend(void)
{
struct intc_desc_int *d;
- d = container_of(dev, struct intc_desc_int, sysdev);
+ list_for_each_entry(d, &intc_list, list) {
+ int irq;
- return sprintf(buf, "%s\n", d->chip.name);
-}
+ /* enable wakeup irqs belonging to this intc controller */
+ for_each_active_irq(irq) {
+ struct irq_data *data;
+ struct irq_desc *desc;
+ struct irq_chip *chip;
+
+ data = irq_get_irq_data(irq);
+ chip = irq_data_get_irq_chip(data);
+ if (chip != &d->chip)
+ continue;
+ desc = irq_to_desc(irq);
+ if ((desc->status & IRQ_WAKEUP))
+ chip->irq_enable(data);
+ }
+ }
-static SYSDEV_ATTR(name, S_IRUGO, show_intc_name, NULL);
+ return 0;
+}
-static int intc_suspend(struct sys_device *dev, pm_message_t state)
+static void intc_resume(void)
{
struct intc_desc_int *d;
- struct irq_data *data;
- struct irq_desc *desc;
- struct irq_chip *chip;
- int irq;
-
- /* get intc controller associated with this sysdev */
- d = container_of(dev, struct intc_desc_int, sysdev);
-
- switch (state.event) {
- case PM_EVENT_ON:
- if (d->state.event != PM_EVENT_FREEZE)
- break;
+
+ list_for_each_entry(d, &intc_list, list) {
+ int irq;
for_each_active_irq(irq) {
- desc = irq_to_desc(irq);
+ struct irq_data *data;
+ struct irq_desc *desc;
+ struct irq_chip *chip;
+
data = irq_get_irq_data(irq);
chip = irq_data_get_irq_chip(data);
-
/*
* This will catch the redirect and VIRQ cases
* due to the dummy_irq_chip being inserted.
*/
if (chip != &d->chip)
continue;
+ desc = irq_to_desc(irq);
if (desc->status & IRQ_DISABLED)
chip->irq_disable(data);
else
chip->irq_enable(data);
}
- break;
- case PM_EVENT_FREEZE:
- /* nothing has to be done */
- break;
- case PM_EVENT_SUSPEND:
- /* enable wakeup irqs belonging to this intc controller */
- for_each_active_irq(irq) {
- desc = irq_to_desc(irq);
- data = irq_get_irq_data(irq);
- chip = irq_data_get_irq_chip(data);
-
- if (chip != &d->chip)
- continue;
- if ((desc->status & IRQ_WAKEUP))
- chip->irq_enable(data);
- }
- break;
}
-
- d->state = state;
-
- return 0;
}
-static int intc_resume(struct sys_device *dev)
-{
- return intc_suspend(dev, PMSG_ON);
-}
-
-struct sysdev_class intc_sysdev_class = {
- .name = "intc",
+struct syscore_ops intc_syscore_ops = {
.suspend = intc_suspend,
.resume = intc_resume,
};
-/* register this intc as sysdev to allow suspend/resume */
-static int __init register_intc_sysdevs(void)
+static int __init intc_syscore_init(void)
{
- struct intc_desc_int *d;
- int error;
+ register_syscore_ops(&intc_syscore_ops);
- error = sysdev_class_register(&intc_sysdev_class);
- if (!error) {
- list_for_each_entry(d, &intc_list, list) {
- d->sysdev.id = d->index;
- d->sysdev.cls = &intc_sysdev_class;
- error = sysdev_register(&d->sysdev);
- if (error == 0)
- error = sysdev_create_file(&d->sysdev,
- &attr_name);
- if (error)
- break;
- }
- }
-
- if (error)
- pr_err("sysdev registration error\n");
-
- return error;
+ return 0;
}
-device_initcall(register_intc_sysdevs);
+device_initcall(intc_syscore_init);
===================================================================
@@ -51,9 +51,7 @@ struct intc_subgroup_entry {
struct intc_desc_int {
struct list_head list;
- struct sys_device sysdev;
struct radix_tree_root tree;
- pm_message_t state;
raw_spinlock_t lock;
unsigned int index;
unsigned long *reg;