let driver1 = Driver::new(&shared_bus, 42);
// driver1 is in the init state
driver1.go_to_ready_state();
// driver1 is in the ready state

let driver2 = Driver::new(&shared_bus, 42);
// driver2 reinitialized the same device

driver1.do_something_in_ready_state();
// driver1 thought that the chip was in the ready state
// but it was actually in the init state