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| author | Randy Dunlap <randy.dunlap@oracle.com> | 2007-10-05 13:17:58 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-10-12 15:03:17 -0700 |
| commit | 7f785763660e75c9eddaddea3d618696af4ae3a2 (patch) | |
| tree | 4538775b2b0f05d77509dd2b6b91ba9e6429154c /drivers/pci/pcie | |
| parent | fd6e732186ab522c812ab19c2c5e5befb8ec8115 (diff) | |
| download | blackbird-op-linux-7f785763660e75c9eddaddea3d618696af4ae3a2.tar.gz blackbird-op-linux-7f785763660e75c9eddaddea3d618696af4ae3a2.zip | |
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 <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/pci/pcie')
| -rw-r--r-- | drivers/pci/pcie/aer/aerdrv.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c index ad90a01b0dfc..7a62f7dd9009 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); } |
