usb 1-1: Direct firmware load for mrvl/usbusb8997_combo_v4.bin failed with error -2
usb 1-1: Failed to get firmware mrvl/usbusb8997_combo_v4.bin
usb 1-1: info: _mwifiex_fw_dpc: unregister device
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.3.0-rc2+ #25
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events request_firmware_work_func
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0xca/0x13e lib/dump_stack.c:113
 assign_lock_key kernel/locking/lockdep.c:813 [inline]
 register_lock_class+0x1022/0x11d0 kernel/locking/lockdep.c:1122
 __lock_acquire+0xfc/0x3b50 kernel/locking/lockdep.c:3762
 lock_acquire+0x127/0x320 kernel/locking/lockdep.c:4412
 del_timer_sync+0x3a/0x130 kernel/time/timer.c:1277
 mwifiex_unregister_dev+0x