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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: Minghao Xue <quic_mingxue@quicinc.com> Message-Id: <1654851507-13891-3-git-send-email-quic_mingxue@quicinc.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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@ -487,6 +487,9 @@ static int vm_find_vqs(struct virtio_device *vdev, unsigned int nvqs,
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if (err)
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return err;
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if (of_property_read_bool(vm_dev->pdev->dev.of_node, "wakeup-source"))
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enable_irq_wake(irq);
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for (i = 0; i < nvqs; ++i) {
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if (!names[i]) {
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vqs[i] = NULL;
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