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-rw-r--r--drivers/acpi/battery.c2
-rw-r--r--drivers/acpi/button.c5
-rw-r--r--drivers/acpi/device_pm.c3
-rw-r--r--drivers/acpi/sleep.c28
4 files changed, 34 insertions, 4 deletions
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index d42eeef9d928..a9a9ab3399d4 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -782,7 +782,7 @@ static int acpi_battery_update(struct acpi_battery *battery, bool resume)
if ((battery->state & ACPI_BATTERY_STATE_CRITICAL) ||
(test_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags) &&
(battery->capacity_now <= battery->alarm)))
- pm_wakeup_event(&battery->device->dev, 0);
+ pm_wakeup_hard_event(&battery->device->dev);
return result;
}
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 668137e4a069..b7c2a06963d6 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -216,7 +216,7 @@ static int acpi_lid_notify_state(struct acpi_device *device, int state)
}
if (state)
- pm_wakeup_event(&device->dev, 0);
+ pm_wakeup_hard_event(&device->dev);
ret = blocking_notifier_call_chain(&acpi_lid_notifier, state, device);
if (ret == NOTIFY_DONE)
@@ -398,7 +398,7 @@ static void acpi_button_notify(struct acpi_device *device, u32 event)
} else {
int keycode;
- pm_wakeup_event(&device->dev, 0);
+ pm_wakeup_hard_event(&device->dev);
if (button->suspended)
break;
@@ -530,6 +530,7 @@ static int acpi_button_add(struct acpi_device *device)
lid_device = device;
}
+ device_init_wakeup(&device->dev, true);
printk(KERN_INFO PREFIX "%s [%s]\n", name, acpi_device_bid(device));
return 0;
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index 993fd31394c8..798d5003a039 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -24,6 +24,7 @@
#include <linux/pm_qos.h>
#include <linux/pm_domain.h>
#include <linux/pm_runtime.h>
+#include <linux/suspend.h>
#include "internal.h"
@@ -399,7 +400,7 @@ static void acpi_pm_notify_handler(acpi_handle handle, u32 val, void *not_used)
mutex_lock(&acpi_pm_notifier_lock);
if (adev->wakeup.flags.notifier_present) {
- __pm_wakeup_event(adev->wakeup.ws, 0);
+ pm_wakeup_ws_event(adev->wakeup.ws, 0, true);
if (adev->wakeup.context.work.func)
queue_pm_work(&adev->wakeup.context.work);
}
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index a4327af676fe..e84005d642e6 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -662,14 +662,40 @@ static int acpi_freeze_prepare(void)
acpi_os_wait_events_complete();
if (acpi_sci_irq_valid())
enable_irq_wake(acpi_sci_irq);
+
return 0;
}
+static void acpi_freeze_wake(void)
+{
+ /*
+ * If IRQD_WAKEUP_ARMED is not set for the SCI at this point, it means
+ * that the SCI has triggered while suspended, so cancel the wakeup in
+ * case it has not been a wakeup event (the GPEs will be checked later).
+ */
+ if (acpi_sci_irq_valid() &&
+ !irqd_is_wakeup_armed(irq_get_irq_data(acpi_sci_irq)))
+ pm_system_cancel_wakeup();
+}
+
+static void acpi_freeze_sync(void)
+{
+ /*
+ * Process all pending events in case there are any wakeup ones.
+ *
+ * The EC driver uses the system workqueue, so that one needs to be
+ * flushed too.
+ */
+ acpi_os_wait_events_complete();
+ flush_scheduled_work();
+}
+
static void acpi_freeze_restore(void)
{
acpi_disable_wakeup_devices(ACPI_STATE_S0);
if (acpi_sci_irq_valid())
disable_irq_wake(acpi_sci_irq);
+
acpi_enable_all_runtime_gpes();
}
@@ -681,6 +707,8 @@ static void acpi_freeze_end(void)
static const struct platform_freeze_ops acpi_freeze_ops = {
.begin = acpi_freeze_begin,
.prepare = acpi_freeze_prepare,
+ .wake = acpi_freeze_wake,
+ .sync = acpi_freeze_sync,
.restore = acpi_freeze_restore,
.end = acpi_freeze_end,
};