ACPI: call acpi_power_init() explicitly rather than as initcall

This patch makes acpi_init() call acpi_power_init() directly.
Previously, both were subsys_initcalls.  acpi_power_init()
must happen after acpi_init(), and it's better to call it
explicitly rather than rely on link ordering.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
CC: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index c926e7d..11968ba2 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -773,14 +773,10 @@
 	return 0;
 }
 
-static int __init acpi_power_init(void)
+int __init acpi_power_init(void)
 {
 	int result = 0;
 
-
-	if (acpi_disabled)
-		return 0;
-
 	INIT_LIST_HEAD(&acpi_power_resource_list);
 
 	acpi_power_dir = proc_mkdir(ACPI_POWER_CLASS, acpi_root_dir);
@@ -795,5 +791,3 @@
 
 	return 0;
 }
-
-subsys_initcall(acpi_power_init);