| Message ID | 20180905203546.21921-13-keith.busch@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Delegated to: | Bjorn Helgaas |
| Headers | show |
| Series | PCI, error handling and hot plug | expand |
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c index 93ab8be21a64..8c5f44807f33 100644 --- a/drivers/pci/pcie/portdrv_pci.c +++ b/drivers/pci/pcie/portdrv_pci.c @@ -178,7 +178,9 @@ static int slot_reset_iter(struct device *device, void *data) static pci_ers_result_t pcie_portdrv_slot_reset(struct pci_dev *dev) { + pci_restore_state(dev); device_for_each_child(&dev->dev, dev, slot_reset_iter); + pci_save_state(dev); return PCI_ERS_RESULT_RECOVERED; }
The port's config space may be reset after a link reset. We need to restore the config space that was saved during probe in order to successfully access downstream devices. Signed-off-by: Keith Busch <keith.busch@intel.com> --- drivers/pci/pcie/portdrv_pci.c | 2 ++ 1 file changed, 2 insertions(+)