PCI/AER: Specify the type of Port that was reset

The AER driver may be called upon to reset either a Downstream or a Root
Port. Check which type it is to properly identify it when logging that
the reset occurred.

Link: https://lore.kernel.org/r/20210104230300.1277180-5-kbusch@kernel.org
Tested-by: Hedi Berriche <hedi.berriche@hpe.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Hedi Berriche <hedi.berriche@hpe.com>

diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
index 3fd4aaa..ba22388 100644 (file)
--- a/drivers/pci/pcie/aer.c
+++ b/drivers/pci/pcie/aer.c
@@ -1414,7 +1414,8 @@ static pci_ers_result_t aer_root_reset(struct pci_dev *dev)
                }
        } else {
                rc = pci_bus_error_reset(dev);
-               pci_info(dev, "Root Port link has been reset (%d)\n", rc);
+               pci_info(dev, "%s Port link has been reset (%d)\n",
+                       pci_is_root_bus(dev->bus) ? "Root" : "Downstream", rc);
        }
 
        if ((host->native_aer || pcie_ports_native) && aer) {