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path: root/drivers/acpi
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Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/scan.c26
1 files changed, 9 insertions, 17 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index b5e4dedb497..b99e6249460 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -815,16 +815,22 @@ static void acpi_bus_set_run_wake_flags(struct acpi_device *device)
!!(event_status & ACPI_EVENT_FLAG_HANDLE);
}
-static int acpi_bus_get_wakeup_device_flags(struct acpi_device *device)
+static void acpi_bus_get_wakeup_device_flags(struct acpi_device *device)
{
+ acpi_handle temp;
acpi_status status = 0;
int psw_error;
+ /* Presence of _PRW indicates wake capable */
+ status = acpi_get_handle(device->handle, "_PRW", &temp);
+ if (ACPI_FAILURE(status))
+ return;
+
status = acpi_bus_extract_wakeup_device_power_package(device->handle,
&device->wakeup);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status, "Extracting _PRW package"));
- goto end;
+ return;
}
device->wakeup.flags.valid = 1;
@@ -840,11 +846,6 @@ static int acpi_bus_get_wakeup_device_flags(struct acpi_device *device)
if (psw_error)
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"error in _DSW or _PSW evaluation\n"));
-
-end:
- if (ACPI_FAILURE(status))
- device->flags.wake_capable = 0;
- return 0;
}
static void acpi_bus_add_power_resource(acpi_handle handle);
@@ -950,11 +951,6 @@ static int acpi_bus_get_flags(struct acpi_device *device)
if (ACPI_SUCCESS(status))
device->flags.power_manageable = 1;
- /* Presence of _PRW indicates wake capable */
- status = acpi_get_handle(device->handle, "_PRW", &temp);
- if (ACPI_SUCCESS(status))
- device->flags.wake_capable = 1;
-
/* TBD: Performance management */
return 0;
@@ -1281,11 +1277,7 @@ static int acpi_add_single_object(struct acpi_device **child,
* Wakeup device management
*-----------------------
*/
- if (device->flags.wake_capable) {
- result = acpi_bus_get_wakeup_device_flags(device);
- if (result)
- goto end;
- }
+ acpi_bus_get_wakeup_device_flags(device);
/*
* Performance Management