]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/acpi/sleep/poweroff.c
Pull misc into release branch
[linux-2.6-omap-h63xx.git] / drivers / acpi / sleep / poweroff.c
index d9801eff6489c1448e2e33c20650c21f0e399469..39e40d56b034ec9bd46e68c4a9e2d9467c3b9686 100644 (file)
@@ -39,7 +39,13 @@ int acpi_sleep_prepare(u32 acpi_state)
 
 #ifdef CONFIG_PM
 
-void acpi_power_off(void)
+static void acpi_power_off_prepare(void)
+{
+       /* Prepare to power off the system */
+       acpi_sleep_prepare(ACPI_STATE_S5);
+}
+
+static void acpi_power_off(void)
 {
        /* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */
        printk("%s called\n", __FUNCTION__);
@@ -48,30 +54,6 @@ void acpi_power_off(void)
        acpi_enter_sleep_state(ACPI_STATE_S5);
 }
 
-static int acpi_shutdown(struct sys_device *x)
-{
-       switch (system_state) {
-       case SYSTEM_POWER_OFF:
-               /* Prepare to power off the system */
-               return acpi_sleep_prepare(ACPI_STATE_S5);
-       case SYSTEM_SUSPEND_DISK:
-               /* Prepare to suspend the system to disk */
-               return acpi_sleep_prepare(ACPI_STATE_S4);
-       default:
-               return 0;
-       }
-}
-
-static struct sysdev_class acpi_sysclass = {
-       set_kset_name("acpi"),
-       .shutdown = acpi_shutdown
-};
-
-static struct sys_device device_acpi = {
-       .id = 0,
-       .cls = &acpi_sysclass,
-};
-
 static int acpi_poweroff_init(void)
 {
        if (!acpi_disabled) {
@@ -81,13 +63,8 @@ static int acpi_poweroff_init(void)
                status =
                    acpi_get_sleep_type_data(ACPI_STATE_S5, &type_a, &type_b);
                if (ACPI_SUCCESS(status)) {
-                       int error;
-                       error = sysdev_class_register(&acpi_sysclass);
-                       if (!error)
-                               error = sysdev_register(&device_acpi);
-                       if (!error)
-                               pm_power_off = acpi_power_off;
-                       return error;
+                       pm_power_off_prepare = acpi_power_off_prepare;
+                       pm_power_off = acpi_power_off;
                }
        }
        return 0;