diff options
Diffstat (limited to 'arch/i386/pci/mmconfig.c')
| -rw-r--r-- | arch/i386/pci/mmconfig.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig.c index 3325b79e651..11be089efd7 100644 --- a/arch/i386/pci/mmconfig.c +++ b/arch/i386/pci/mmconfig.c @@ -27,22 +27,17 @@ static int mmcfg_last_accessed_cpu; */ static u32 get_base_addr(unsigned int seg, int bus, unsigned devfn) { - int cfg_num = -1; struct acpi_mcfg_allocation *cfg; + int cfg_num; if (seg == 0 && bus < PCI_MMCFG_MAX_CHECK_BUS && test_bit(PCI_SLOT(devfn) + 32*bus, pci_mmcfg_fallback_slots)) return 0; - while (1) { - ++cfg_num; - if (cfg_num >= pci_mmcfg_config_num) { - break; - } + for (cfg_num = 0; cfg_num < pci_mmcfg_config_num; cfg_num++) { cfg = &pci_mmcfg_config[cfg_num]; - if (cfg->pci_segment != seg) - continue; - if ((cfg->start_bus_number <= bus) && + if (cfg->pci_segment == seg && + (cfg->start_bus_number <= bus) && (cfg->end_bus_number >= bus)) return cfg->address; } |