From 7f785763660e75c9eddaddea3d618696af4ae3a2 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Fri, 5 Oct 2007 13:17:58 -0700 Subject: pci: implement "pci=noaer" For cases in which CONFIG_PCIEAER=y (such as distro kernels), allow users to disable PCIE Advanced Error Reporting by using "pci=noaer" on the kernel command line. This can be used to work around hardware or (kernel) software problems. Signed-off-by: Randy Dunlap Signed-off-by: Greg Kroah-Hartman --- drivers/pci/pcie/aer/aerdrv.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers/pci/pcie') diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c index ad90a01b0df..7a62f7dd900 100644 --- a/drivers/pci/pcie/aer/aerdrv.c +++ b/drivers/pci/pcie/aer/aerdrv.c @@ -81,6 +81,13 @@ static struct pcie_port_service_driver aerdriver = { .reset_link = aer_root_reset, }; +static int pcie_aer_disable; + +void pci_no_aer(void) +{ + pcie_aer_disable = 1; /* has priority over 'forceload' */ +} + /** * aer_irq - Root Port's ISR * @irq: IRQ assigned to Root Port @@ -327,6 +334,8 @@ static void aer_error_resume(struct pci_dev *dev) **/ static int __init aer_service_init(void) { + if (pcie_aer_disable) + return -ENXIO; return pcie_port_service_register(&aerdriver); } -- cgit v1.2.3