On Tuesday 25 January 2022 08:18:20 Stefan Roese wrote: > With this change, AER is now enabled on all PCIe devices, also when the > PCIe device is hot-plugged. > > Please note that this change is quite invasive, as with this patch > applied, AER now will be enabled in the Device Control registers of all > available PCIe Endpoints, which currently is not the case. > > When "pci=noaer" is selected, AER stays disabled of course. > > Signed-off-by: Stefan Roese <sr@xxxxxxx> > Cc: Bjorn Helgaas <helgaas@xxxxxxxxxx> > Cc: Pali Rohár <pali@xxxxxxxxxx> > Cc: Bharat Kumar Gogada <bharat.kumar.gogada@xxxxxxxxxx> > Cc: Michal Simek <michal.simek@xxxxxxxxxx> > Cc: Yao Hongbo <yaohongbo@xxxxxxxxxxxxxxxxx> > Cc: Naveen Naidu <naveennaidu479@xxxxxxxxx> Reviewed-by: Pali Rohár <pali@xxxxxxxxxx> > --- > v4: > - No change > > v3: > - New patch, replacing the "old" 2/2 patch > Now enabling of AER for each PCIe device is done in pci_aer_init(), > which also makes sure that AER is enabled in each PCIe device even when > it's hot-plugged. > > drivers/pci/pcie/aer.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c > index 5585fefc4d0e..10b2f7db8adb 100644 > --- a/drivers/pci/pcie/aer.c > +++ b/drivers/pci/pcie/aer.c > @@ -388,6 +388,10 @@ void pci_aer_init(struct pci_dev *dev) > > pci_aer_clear_status(dev); > > + /* Enable AER if requested */ > + if (pci_aer_available()) > + pci_enable_pcie_error_reporting(dev); > + > /* Enable ECRC checking if enabled and configured */ > pcie_set_ecrc_checking(dev); > } > -- > 2.35.0 >
