diff options
Diffstat (limited to 'arch/x86/pci/mmconfig-shared.c')
| -rw-r--r-- | arch/x86/pci/mmconfig-shared.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c index e282886616a..750c346ef50 100644 --- a/arch/x86/pci/mmconfig-shared.c +++ b/arch/x86/pci/mmconfig-shared.c @@ -606,6 +606,16 @@ static void __init __pci_mmcfg_init(int early) if (list_empty(&pci_mmcfg_list)) return; + if (pcibios_last_bus < 0) { + const struct pci_mmcfg_region *cfg; + + list_for_each_entry(cfg, &pci_mmcfg_list, list) { + if (cfg->segment) + break; + pcibios_last_bus = cfg->end_bus; + } + } + if (pci_mmcfg_arch_init()) pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF; else { |