diff options
Diffstat (limited to 'drivers/acpi/pci_mcfg.c')
| -rw-r--r-- | drivers/acpi/pci_mcfg.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/acpi/pci_mcfg.c b/drivers/acpi/pci_mcfg.c index a6a4ceaa6cc3..2944353253ed 100644 --- a/drivers/acpi/pci_mcfg.c +++ b/drivers/acpi/pci_mcfg.c @@ -195,11 +195,10 @@ int pci_mcfg_lookup(struct acpi_pci_root *root, struct resource *cfgres, goto skip_lookup; /* - * We expect exact match, unless MCFG entry end bus covers more than - * specified by caller. + * We expect the range in bus_res in the coverage of MCFG bus range. */ list_for_each_entry(e, &pci_mcfg_list, list) { - if (e->segment == seg && e->bus_start == bus_res->start && + if (e->segment == seg && e->bus_start <= bus_res->start && e->bus_end >= bus_res->end) { root->mcfg_addr = e->addr; } |