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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-08-19 22:51:00 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-10-24 17:20:38 +0400 |
| commit | 54a08ab153cf38a08ccce7544d58c819ad02dd18 (patch) | |
| tree | bddef98c0d5d2a492916aab77d1399c7d3171e03 /drivers/edac/i7core_edac.c | |
| parent | accf74fff36315a31dc7319dae2927af06e9296f (diff) | |
| download | linux-54a08ab153cf38a08ccce7544d58c819ad02dd18.tar.xz | |
i7core_edac: Don't do the legacy PCI probe by default
The legacy PCI probe sometimes cause hangs. Better to have it
disabled by default, and have a parameter to enable it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/edac/i7core_edac.c')
| -rw-r--r-- | drivers/edac/i7core_edac.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c index 8e789a2e35d6..a76a4c067858 100644 --- a/drivers/edac/i7core_edac.c +++ b/drivers/edac/i7core_edac.c @@ -44,6 +44,9 @@ static LIST_HEAD(i7core_edac_list); static DEFINE_MUTEX(i7core_edac_lock); static int probed; +static int use_pci_fixup; +module_param(use_pci_fixup, int, 0444); +MODULE_PARM_DESC(use_pci_fixup, "Enable PCI fixup to seek for hidden devices"); /* * This is used for Nehalem-EP and Nehalem-EX devices, where the non-core * registers start at bus 255, and are not reported by BIOS. @@ -1257,6 +1260,7 @@ static void __init i7core_xeon_pci_fixup(const struct pci_id_table *table) { struct pci_dev *pdev = NULL; int i; + /* * On Xeon 55xx, the Intel Quckpath Arch Generic Non-core pci buses * aren't announced by acpi. So, we need to use a legacy scan probing @@ -2126,7 +2130,8 @@ static int __init i7core_init(void) /* Ensure that the OPSTATE is set correctly for POLL or NMI */ opstate_init(); - i7core_xeon_pci_fixup(pci_dev_table); + if (use_pci_fixup) + i7core_xeon_pci_fixup(pci_dev_table); pci_rc = pci_register_driver(&i7core_driver); |