diff options
Diffstat (limited to 'drivers/pci/probe.c')
| -rw-r--r-- | drivers/pci/probe.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index a1cddca37793..9f80b904bf76 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -329,6 +329,10 @@ static void pci_read_bases(struct pci_dev *dev, unsigned int howmany, int rom) if (dev->non_compliant_bars) return; + /* Per PCIe r4.0, sec 9.3.4.1.11, the VF BARs are all RO Zero */ + if (dev->is_virtfn) + return; + for (pos = 0; pos < howmany; pos++) { struct resource *res = &dev->resource[pos]; reg = PCI_BASE_ADDRESS_0 + (pos << 2); |