diff options
Diffstat (limited to 'drivers')
| -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 595d03ae1921..812d4ac6bd2f 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -2046,6 +2046,7 @@ 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_MASK /* diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 7127bfe2ac43..d43859f76db2 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -635,6 +635,9 @@ 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) |