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Subject[PATCH] virtio: set pci bus master enable bit
As all virtio devices perform DMA, we
must enable bus mastering for them to be
spec compliant.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
drivers/virtio/virtio_pci.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c
index 28d9cf7..717bae1 100644
--- a/drivers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -648,6 +648,7 @@ static int __devinit virtio_pci_probe(struct pci_dev *pci_dev,
goto out_req_regions;

pci_set_drvdata(pci_dev, vp_dev);
+ pci_set_master(pci_dev);

/* we use the subsystem vendor/device id as the virtio vendor/device
* id. this allows us to use the same PCI vendor/device id for all
--
1.6.5.2.143.g8cc62

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