diff options
Diffstat (limited to 'hw/pci/pci.c')
-rw-r--r-- | hw/pci/pci.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/pci/pci.c b/hw/pci/pci.c index efb5ce196f..d831fa0a36 100644 --- a/hw/pci/pci.c +++ b/hw/pci/pci.c @@ -1353,6 +1353,10 @@ uint32_t pci_default_read_config(PCIDevice *d, { uint32_t val = 0; + if (pci_is_express_downstream_port(d) && + ranges_overlap(address, len, d->exp.exp_cap + PCI_EXP_LNKSTA, 2)) { + pcie_sync_bridge_lnk(d); + } memcpy(&val, d->config + address, len); return le32_to_cpu(val); } |