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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>
This commit is contained in:
Mauro Carvalho Chehab 2010-08-19 15:51:00 -03:00
parent accf74fff3
commit 54a08ab153
1 changed files with 6 additions and 1 deletions
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7
drivers/edac/i7core_edac.c
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@ -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);