diff options
| author | Jens Axboe <jaxboe@fusionio.com> | 2011-03-01 15:04:39 -0500 |
|---|---|---|
| committer | Jens Axboe <jaxboe@fusionio.com> | 2011-03-01 15:04:39 -0500 |
| commit | 6fae9c25134baffbeeb20031479e7ff6f6d8eec0 (patch) | |
| tree | c9ab89992ce5293a43cd455a81dc8a5926a28a5e /arch/x86/pci/common.c | |
| parent | c186794dbb466b45cf40f942f2d09d6d5b4b0e42 (diff) | |
| parent | f5412be599602124d2bdd49947b231dd77c0bf99 (diff) | |
Merge commit 'v2.6.38-rc6' into for-2.6.39/core
Conflicts:
block/cfq-iosched.c
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'arch/x86/pci/common.c')
| -rw-r--r-- | arch/x86/pci/common.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index f7c8a399978..5fe75026ecc 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -22,6 +22,7 @@ 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 @@ -185,6 +186,39 @@ static int __devinit set_bf_sort(const struct dmi_system_id *d) return 0; } +static void __devinit read_dmi_type_b1(const struct dmi_header *dm, + void *private_data) +{ + u8 *d = (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; + } +} + +static int __devinit 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; +} + /* * Enable renumbering of PCI bus# ranges to reach all PCI busses (Cardbus) */ @@ -213,6 +247,13 @@ static const struct dmi_system_id __devinitconst pciprobe_dmi_table[] = { }, #endif /* __i386__ */ { + .callback = find_sort_method, + .ident = "Dell System", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), + }, + }, + { .callback = set_bf_sort, .ident = "Dell PowerEdge 1950", .matches = { |