The pci_dev parameter given to aer_root_reset() may be a downstream port
rather than the root port. Get the root port from the provided device in
order to clear the root's aer status, and update the message to indicate
which type of port was actually reset.
Signed-off-by: Keith Busch <kbusch@xxxxxxxxxx>
---
drivers/pci/pcie/aer.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
index 77b0f2c45bc0..b2b0e9eb5cfb 100644
--- a/drivers/pci/pcie/aer.c
+++ b/drivers/pci/pcie/aer.c
@@ -1388,7 +1388,7 @@ static pci_ers_result_t aer_root_reset(struct pci_dev *dev)
if (type == PCI_EXP_TYPE_RC_END)
root = dev->rcec;
else
- root = dev;
+ root = pcie_find_root_port(dev);
/*
* If the platform retained control of AER, an RCiEP may not have
@@ -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", rc,
+ pci_is_root_bus(dev->bus) ? "Root" : "Downstream");
}
if ((host->native_aer || pcie_ports_native) && aer) {
--
2.24.1
