diff options
| -rw-r--r-- | drivers/pci/pci.c | 1 | ||||
| -rw-r--r-- | drivers/virtio/virtio_pci.c | 3 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 60f30e7f1c8..740fb4ea966 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -2292,6 +2292,7 @@ void pci_msi_off(struct pci_dev *dev) pci_write_config_word(dev, pos + PCI_MSIX_FLAGS, control); } } +EXPORT_SYMBOL_GPL(pci_msi_off); #ifndef HAVE_ARCH_PCI_SET_DMA_MAX_SEGMENT_SIZE int pci_set_dma_max_seg_size(struct pci_dev *dev, unsigned int size) diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 95896f38792..ef8d9d558fc 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -636,6 +636,9 @@ static int __devinit virtio_pci_probe(struct pci_dev *pci_dev, INIT_LIST_HEAD(&vp_dev->virtqueues); spin_lock_init(&vp_dev->lock); + /* Disable MSI/MSIX to bring device to a known good state. */ + pci_msi_off(pci_dev); + /* enable the device */ err = pci_enable_device(pci_dev); if (err) |