diff options
Diffstat (limited to 'arch/x86/pci/common.c')
| -rw-r--r-- | arch/x86/pci/common.c | 31 |
1 files changed, 7 insertions, 24 deletions
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index 190e718694b1..dbe2132b0ed4 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -24,7 +24,6 @@ unsigned int pci_probe = PCI_PROBE_BIOS | PCI_PROBE_CONF1 | PCI_PROBE_CONF2 | unsigned int pci_early_dump_regs; static int pci_bf_sort; -static int smbios_type_b1_flag; int pci_routeirq; int noioapicquirk; #ifdef CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS @@ -75,8 +74,8 @@ struct pci_ops pci_root_ops = { }; /* - * This interrupt-safe spinlock protects all accesses to PCI - * configuration space. + * This interrupt-safe spinlock protects all accesses to PCI configuration + * space, except for the mmconfig (ECAM) based operations. */ DEFINE_RAW_SPINLOCK(pci_config_lock); @@ -197,34 +196,18 @@ static int __init set_bf_sort(const struct dmi_system_id *d) static void __init read_dmi_type_b1(const struct dmi_header *dm, void *private_data) { - u8 *d = (u8 *)dm + 4; + u8 *data = (u8 *)dm + 4; if (dm->type != 0xB1) return; - switch (((*(u32 *)d) >> 9) & 0x03) { - case 0x00: - printk(KERN_INFO "dmi type 0xB1 record - unknown flag\n"); - break; - case 0x01: /* set pci=bfsort */ - smbios_type_b1_flag = 1; - break; - case 0x02: /* do not set pci=bfsort */ - smbios_type_b1_flag = 2; - break; - default: - break; - } + if ((((*(u32 *)data) >> 9) & 0x03) == 0x01) + set_bf_sort((const struct dmi_system_id *)private_data); } static int __init find_sort_method(const struct dmi_system_id *d) { - dmi_walk(read_dmi_type_b1, NULL); - - if (smbios_type_b1_flag == 1) { - set_bf_sort(d); - return 0; - } - return -1; + dmi_walk(read_dmi_type_b1, (void *)d); + return 0; } /* |