ACPI / bus: Move ACPI bus type registration
Move the registration of the ACPI bus type to acpi_bus_init() and
avoid using ACPI going forward if it fails (too many things depend on
the presence of the ACPI bus type).
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 2f50fc4..7a3ad92 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -1039,7 +1039,9 @@
*/
acpi_root_dir = proc_mkdir(ACPI_BUS_FILE_ROOT, NULL);
- return 0;
+ result = bus_register(&acpi_bus_type);
+ if (!result)
+ return 0;
/* Mimic structured exception handling */
error1: