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path: root/drivers/sh/intc/core.c
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Diffstat (limited to 'drivers/sh/intc/core.c')
-rw-r--r--drivers/sh/intc/core.c95
1 files changed, 47 insertions, 48 deletions
diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c
index 9739431092d1..5833afbf08d7 100644
--- a/drivers/sh/intc/core.c
+++ b/drivers/sh/intc/core.c
@@ -25,6 +25,7 @@
#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>
@@ -376,91 +377,89 @@ 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;
-static SYSDEV_ATTR(name, S_IRUGO, show_intc_name, NULL);
+ 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);
+ }
+ }
+
+ 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 syscore_ops intc_syscore_ops = {
+ .suspend = intc_suspend,
+ .resume = intc_resume,
+};
struct sysdev_class intc_sysdev_class = {
.name = "intc",
- .suspend = intc_suspend,
- .resume = intc_resume,
};
-/* register this intc as sysdev to allow suspend/resume */
+static ssize_t
+show_intc_name(struct sys_device *dev, struct sysdev_attribute *attr, char *buf)
+{
+ struct intc_desc_int *d;
+
+ d = container_of(dev, struct intc_desc_int, sysdev);
+
+ return sprintf(buf, "%s\n", d->chip.name);
+}
+
+static SYSDEV_ATTR(name, S_IRUGO, show_intc_name, NULL);
+
static int __init register_intc_sysdevs(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) {