Pull acpi_device_handle_cleanup into release branch

1 files changed, 10 insertions, 13 deletions

diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 7d92f73b265f..2b8aab560b58 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -108,7 +108,7 @@ struct acpi_battery_trips {
 };
 
 struct acpi_battery {
-        acpi_handle handle;
+        struct acpi_device * device;
         struct acpi_battery_flags flags;
         struct acpi_battery_trips trips;
         unsigned long alarm;
@@ -138,7 +138,7 @@ acpi_battery_get_info(struct acpi_battery *battery,
 
         /* Evalute _BIF */
 
-        status = acpi_evaluate_object(battery->handle, "_BIF", NULL, &buffer);
+        status = acpi_evaluate_object(battery->device->handle, "_BIF", NULL, &buffer);
         if (ACPI_FAILURE(status)) {
                 ACPI_EXCEPTION((AE_INFO, status, "Evaluating _BIF"));
                 return -ENODEV;
@@ -198,7 +198,7 @@ acpi_battery_get_status(struct acpi_battery *battery,
 
         /* Evalute _BST */
 
-        status = acpi_evaluate_object(battery->handle, "_BST", NULL, &buffer);
+        status = acpi_evaluate_object(battery->device->handle, "_BST", NULL, &buffer);
         if (ACPI_FAILURE(status)) {
                 ACPI_EXCEPTION((AE_INFO, status, "Evaluating _BST"));
                 return -ENODEV;
@@ -255,7 +255,7 @@ acpi_battery_set_alarm(struct acpi_battery *battery, unsigned long alarm)
 
         arg0.integer.value = alarm;
 
-        status = acpi_evaluate_object(battery->handle, "_BTP", &arg_list, NULL);
+        status = acpi_evaluate_object(battery->device->handle, "_BTP", &arg_list, NULL);
         if (ACPI_FAILURE(status))
                 return -ENODEV;
 
@@ -278,9 +278,7 @@ static int acpi_battery_check(struct acpi_battery *battery)
         if (!battery)
                 return -EINVAL;
 
-        result = acpi_bus_get_device(battery->handle, &device);
-        if (result)
-                return result;
+        device = battery->device;
 
         result = acpi_bus_get_status(device);
         if (result)
@@ -305,7 +303,7 @@ static int acpi_battery_check(struct acpi_battery *battery)
 
                 /* See if alarms are supported, and if so, set default */
 
-                status = acpi_get_handle(battery->handle, "_BTP", &handle);
+                status = acpi_get_handle(battery->device->handle, "_BTP", &handle);
                 if (ACPI_SUCCESS(status)) {
                         battery->flags.alarm = 1;
                         acpi_battery_set_alarm(battery, battery->trips.warning);
@@ -662,8 +660,7 @@ static void acpi_battery_notify(acpi_handle handle, u32 event, void *data)
         if (!battery)
                 return;
 
-        if (acpi_bus_get_device(handle, &device))
-                return;
+        device = battery->device;
 
         switch (event) {
         case ACPI_BATTERY_NOTIFY_STATUS:
@@ -695,7 +692,7 @@ static int acpi_battery_add(struct acpi_device *device)
                 return -ENOMEM;
         memset(battery, 0, sizeof(struct acpi_battery));
 
-        battery->handle = device->handle;
+        battery->device = device;
         strcpy(acpi_device_name(device), ACPI_BATTERY_DEVICE_NAME);
         strcpy(acpi_device_class(device), ACPI_BATTERY_CLASS);
         acpi_driver_data(device) = battery;
@@ -708,7 +705,7 @@ static int acpi_battery_add(struct acpi_device *device)
         if (result)
                 goto end;
 
-        status = acpi_install_notify_handler(battery->handle,
+        status = acpi_install_notify_handler(device->handle,
                                              ACPI_DEVICE_NOTIFY,
                                              acpi_battery_notify, battery);
         if (ACPI_FAILURE(status)) {
@@ -740,7 +737,7 @@ static int acpi_battery_remove(struct acpi_device *device, int type)
 
         battery = (struct acpi_battery *)acpi_driver_data(device);
 
-        status = acpi_remove_notify_handler(battery->handle,
+        status = acpi_remove_notify_handler(device->handle,
                                             ACPI_DEVICE_NOTIFY,
                                             acpi_battery_notify);