Method wake

bootloader/kernel/src/drivers/virtio_gpu.rs:35–42

(&mut self)

impl IdWaker {
    pub fn wake(&mut self) {
        let old = core::mem::replace(self, Self::Done);
        if let IdWaker::Waker(e) = old {
            e.wake();
        } else {
            log::error!("Nothing to wake");
        }
    }
}

lazy_static! {