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Commit 54a08ab1 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

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: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent accf74ff

drivers/edac/i7core_edac.c

+6 −1
Original line number Diff line number Diff line
@@ -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
@@ -2126,6 +2130,7 @@ static int __init i7core_init(void) 
	/* Ensure that the OPSTATE is set correctly for POLL or NMI */

	opstate_init();



	if (use_pci_fixup)

		i7core_xeon_pci_fixup(pci_dev_table);



	pci_rc = pci_register_driver(&i7core_driver);