Commit 02213273 authored by Minghao Xue's avatar Minghao Xue Committed by Michael S. Tsirkin
Browse files

virtio_mmio: add support to set IRQ of a virtio device as wakeup source 



According to virtio_mmio wakeup flag in device trees, set its IRQ
as wakeup source in virtqueue initialization.

Signed-off-by: default avatarMinghao Xue <quic_mingxue@quicinc.com>
Message-Id: <1654851507-13891-3-git-send-email-quic_mingxue@quicinc.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 51ded7cd

drivers/virtio/virtio_mmio.c

+3 −0
Original line number Diff line number Diff line
@@ -487,6 +487,9 @@ static int vm_find_vqs(struct virtio_device *vdev, unsigned int nvqs, 
	if (err)

		return err;



	if (of_property_read_bool(vm_dev->pdev->dev.of_node, "wakeup-source"))

		enable_irq_wake(irq);



	for (i = 0; i < nvqs; ++i) {

		if (!names[i]) {

			vqs[i] = NULL;