ACPI: ac: Add struct acpi_device to struct acpi_ac.

Signed-off-by: Patrick Mochel <mochel@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 36ca365..206f56d 100644 (file)
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -66,6 +66,7 @@ static struct acpi_driver acpi_ac_driver = {
 
 struct acpi_ac {
        acpi_handle handle;
+       struct acpi_device * device;
        unsigned long state;
 };
 
@@ -191,9 +192,7 @@ static void acpi_ac_notify(acpi_handle handle, u32 event, void *data)
        if (!ac)
                return;
 
-       if (acpi_bus_get_device(ac->handle, &device))
-               return;
-
+       device = ac->device;
        switch (event) {
        case ACPI_AC_NOTIFY_STATUS:
                acpi_ac_get_state(ac);
@@ -224,6 +223,7 @@ static int acpi_ac_add(struct acpi_device *device)
        memset(ac, 0, sizeof(struct acpi_ac));
 
        ac->handle = device->handle;
+       ac->device = device;
        strcpy(acpi_device_name(device), ACPI_AC_DEVICE_NAME);
        strcpy(acpi_device_class(device), ACPI_AC_CLASS);
        acpi_driver_data(device) = ac;