If the driver is not yet initialized, return EPROBE_DEFER to the external driver trying to register a notification, so that we don't miss any. Change-Id: Idafc26a739df1831d04ea2fde4625e8f9ca1a0ae
If the driver is not yet initialized, return EPROBE_DEFER to the external driver trying to register a notification, so that we don't miss any. Change-Id: Idafc26a739df1831d04ea2fde4625e8f9ca1a0ae