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path: root/drivers/acpi/scan.c
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Diffstat (limited to 'drivers/acpi/scan.c')
-rw-r--r--drivers/acpi/scan.c29
1 files changed, 16 insertions, 13 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 9e4422b..0a817ad 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1424,14 +1424,13 @@ static int acpi_bus_extract_wakeup_device_power_package(acpi_handle handle,
wakeup->sleep_state = sleep_state;
}
}
- acpi_setup_gpe_for_wake(handle, wakeup->gpe_device, wakeup->gpe_number);
out:
kfree(buffer.pointer);
return err;
}
-static void acpi_bus_set_run_wake_flags(struct acpi_device *device)
+static void acpi_wakeup_gpe_init(struct acpi_device *device)
{
struct acpi_device_id button_device_ids[] = {
{"PNP0C0C", 0},
@@ -1439,29 +1438,33 @@ static void acpi_bus_set_run_wake_flags(struct acpi_device *device)
{"PNP0C0E", 0},
{"", 0},
};
+ struct acpi_device_wakeup *wakeup = &device->wakeup;
acpi_status status;
acpi_event_status event_status;
- device->wakeup.flags.notifier_present = 0;
+ wakeup->flags.notifier_present = 0;
/* Power button, Lid switch always enable wakeup */
if (!acpi_match_device_ids(device, button_device_ids)) {
- device->wakeup.flags.run_wake = 1;
+ wakeup->flags.run_wake = 1;
if (!acpi_match_device_ids(device, &button_device_ids[1])) {
/* Do not use Lid/sleep button for S5 wakeup */
- if (device->wakeup.sleep_state == ACPI_STATE_S5)
- device->wakeup.sleep_state = ACPI_STATE_S4;
+ if (wakeup->sleep_state == ACPI_STATE_S5)
+ wakeup->sleep_state = ACPI_STATE_S4;
}
+ acpi_mark_gpe_for_wake(wakeup->gpe_device, wakeup->gpe_number);
device_set_wakeup_capable(&device->dev, true);
return;
}
- status = acpi_get_gpe_status(device->wakeup.gpe_device,
- device->wakeup.gpe_number,
- &event_status);
- if (status == AE_OK)
- device->wakeup.flags.run_wake =
- !!(event_status & ACPI_EVENT_FLAG_HANDLE);
+ acpi_setup_gpe_for_wake(device->handle, wakeup->gpe_device,
+ wakeup->gpe_number);
+ status = acpi_get_gpe_status(wakeup->gpe_device, wakeup->gpe_number,
+ &event_status);
+ if (ACPI_FAILURE(status))
+ return;
+
+ wakeup->flags.run_wake = !!(event_status & ACPI_EVENT_FLAG_HANDLE);
}
static void acpi_bus_get_wakeup_device_flags(struct acpi_device *device)
@@ -1481,7 +1484,7 @@ static void acpi_bus_get_wakeup_device_flags(struct acpi_device *device)
device->wakeup.flags.valid = 1;
device->wakeup.prepare_count = 0;
- acpi_bus_set_run_wake_flags(device);
+ acpi_wakeup_gpe_init(device);
/* Call _PSW/_DSW object to disable its ability to wake the sleeping
* system for the ACPI device with the _PRW object.
* The _PSW object is depreciated in ACPI 3.0 and is replaced by _DSW.