If an error is triggered while system suspend is in progress, any bus level power state transition will result in unpredictable error handling. Mark skip_bus_pm flag as true to avoid this. Signed-off-by: Raag Jadav <raag.jadav@xxxxxxxxx> --- Ideally we'd want to defer recovery until system resume, but this is good enough to prevent device suspend. More discussion at [1]. [1] https://lore.kernel.org/r/Z-38rPeN_j7YGiEl@xxxxxxxxxxxxxxxxxx drivers/pci/pcie/aer.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c index 508474e17183..5acf4efc2df3 100644 --- a/drivers/pci/pcie/aer.c +++ b/drivers/pci/pcie/aer.c @@ -1108,6 +1108,12 @@ static void pci_aer_handle_error(struct pci_dev *dev, struct aer_err_info *info) static void handle_error_source(struct pci_dev *dev, struct aer_err_info *info) { + /* + * Avoid any power state transition if an error is triggered during + * system suspend. + */ + dev->skip_bus_pm = true; + cxl_rch_handle_error(dev, info); pci_aer_handle_error(dev, info); pci_dev_put(dev); -- 2.34.1
