Commit 8a3cdd45 authored Sep 10, 2020 by Minghao Xue

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



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

Change-Id: Id861bf10d475c66bcb343dbbb01ba143338dd18c
Signed-off-by: Minghao Xue <mingxue@codeaurora.org>

parent 38b1718d

drivers/virtio/virtio_mmio.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -476,6 +476,9 @@ static int vm_find_vqs(struct virtio_device *vdev, unsigned nvqs,
		if (err)
		return err;

		if (of_property_read_bool(vm_dev->pdev->dev.of_node, "virtio,wakeup"))
		enable_irq_wake(irq);

		for (i = 0; i < nvqs; ++i) {
		if (!names[i]) {
		vqs[i] = NULL;