diff options
Diffstat (limited to 'drivers/pci/iov.c')
| -rw-r--r-- | drivers/pci/iov.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c index bd1c4faedea2..31f31d460fc9 100644 --- a/drivers/pci/iov.c +++ b/drivers/pci/iov.c @@ -429,8 +429,15 @@ found: nres = 0; for (i = 0; i < PCI_SRIOV_NUM_BARS; i++) { res = &dev->resource[i + PCI_IOV_RESOURCES]; - bar64 = __pci_read_base(dev, pci_bar_unknown, res, - pos + PCI_SRIOV_BAR + i * 4); + /* + * If it is already FIXED, don't change it, something + * (perhaps EA or header fixups) wants it this way. + */ + if (res->flags & IORESOURCE_PCI_FIXED) + bar64 = (res->flags & IORESOURCE_MEM_64) ? 1 : 0; + else + bar64 = __pci_read_base(dev, pci_bar_unknown, res, + pos + PCI_SRIOV_BAR + i * 4); if (!res->flags) continue; if (resource_size(res) & (PAGE_SIZE - 1)) { |