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-rw-r--r--drivers/pci/pcie/aer.c5
-rw-r--r--drivers/pci/pcie/err.c16
-rw-r--r--drivers/pci/pcie/portdrv_pci.c3
3 files changed, 12 insertions, 12 deletions
diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
index 77b0f2c45bc0..ba22388342d1 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",
+ pci_is_root_bus(dev->bus) ? "Root" : "Downstream", rc);
}
if ((host->native_aer || pcie_ports_native) && aer) {
diff --git a/drivers/pci/pcie/err.c b/drivers/pci/pcie/err.c
index 510f31f0ef6d..b576aa890c76 100644
--- a/drivers/pci/pcie/err.c
+++ b/drivers/pci/pcie/err.c
@@ -198,8 +198,7 @@ pci_ers_result_t pcie_do_recovery(struct pci_dev *dev,
pci_dbg(bridge, "broadcast error_detected message\n");
if (state == pci_channel_io_frozen) {
pci_walk_bridge(bridge, report_frozen_detected, &status);
- status = reset_subordinates(bridge);
- if (status != PCI_ERS_RESULT_RECOVERED) {
+ if (reset_subordinates(bridge) != PCI_ERS_RESULT_RECOVERED) {
pci_warn(bridge, "subordinate device reset failed\n");
goto failed;
}
@@ -231,15 +230,14 @@ pci_ers_result_t pcie_do_recovery(struct pci_dev *dev,
pci_walk_bridge(bridge, report_resume, &status);
/*
- * If we have native control of AER, clear error status in the Root
- * Port or Downstream Port that signaled the error. If the
- * platform retained control of AER, it is responsible for clearing
- * this status. In that case, the signaling device may not even be
- * visible to the OS.
+ * If we have native control of AER, clear error status in the device
+ * that detected the error. If the platform retained control of AER,
+ * it is responsible for clearing this status. In that case, the
+ * signaling device may not even be visible to the OS.
*/
if (host->native_aer || pcie_ports_native) {
- pcie_clear_device_status(bridge);
- pci_aer_clear_nonfatal_status(bridge);
+ pcie_clear_device_status(dev);
+ pci_aer_clear_nonfatal_status(dev);
}
pci_info(bridge, "device recovery successful\n");
return status;
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index 0b250bc5f405..de141bfb0bc2 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -153,7 +153,8 @@ static void pcie_portdrv_remove(struct pci_dev *dev)
static pci_ers_result_t pcie_portdrv_error_detected(struct pci_dev *dev,
pci_channel_state_t error)
{
- /* Root Port has no impact. Always recovers. */
+ if (error == pci_channel_io_frozen)
+ return PCI_ERS_RESULT_NEED_RESET;
return PCI_ERS_RESULT_CAN_RECOVER;
}