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path: root/drivers/pci/pcie/aer.c
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Diffstat (limited to 'drivers/pci/pcie/aer.c')
-rw-r--r--drivers/pci/pcie/aer.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
index 766687094706..b776a768a434 100644
--- a/drivers/pci/pcie/aer.c
+++ b/drivers/pci/pcie/aer.c
@@ -399,6 +399,23 @@ int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
}
EXPORT_SYMBOL_GPL(pci_cleanup_aer_uncorrect_error_status);
+void pci_aer_clear_fatal_status(struct pci_dev *dev)
+{
+ int pos;
+ u32 status, sev;
+
+ pos = dev->aer_cap;
+ if (!pos)
+ return;
+
+ /* Clear status bits for ERR_FATAL errors only */
+ pci_read_config_dword(dev, pos + PCI_ERR_UNCOR_STATUS, &status);
+ pci_read_config_dword(dev, pos + PCI_ERR_UNCOR_SEVER, &sev);
+ status &= sev;
+ if (status)
+ pci_write_config_dword(dev, pos + PCI_ERR_UNCOR_STATUS, status);
+}
+
int pci_cleanup_aer_error_status_regs(struct pci_dev *dev)
{
int pos;