diff options
| -rw-r--r-- | drivers/pci/iov.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c index ce24cf235f01..6bacb8995e96 100644 --- a/drivers/pci/iov.c +++ b/drivers/pci/iov.c @@ -498,6 +498,14 @@ static void sriov_restore_state(struct pci_dev *dev) if (ctrl & PCI_SRIOV_CTRL_VFE) return; + /* + * Restore PCI_SRIOV_CTRL_ARI before pci_iov_set_numvfs() because + * it reads offset & stride, which depend on PCI_SRIOV_CTRL_ARI. + */ + ctrl &= ~PCI_SRIOV_CTRL_ARI; + ctrl |= iov->ctrl & PCI_SRIOV_CTRL_ARI; + pci_write_config_word(dev, iov->pos + PCI_SRIOV_CTRL, ctrl); + for (i = PCI_IOV_RESOURCES; i <= PCI_IOV_RESOURCE_END; i++) pci_update_resource(dev, i); |