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-rw-r--r--drivers/pci/probe.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 8b8826b9a398..7fedfeb0871d 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1704,6 +1704,11 @@ static void program_hpp_type2(struct pci_dev *dev, struct hpp_type2 *hpp)
/* Initialize Advanced Error Capabilities and Control Register */
pci_read_config_dword(dev, pos + PCI_ERR_CAP, &reg32);
reg32 = (reg32 & hpp->adv_err_cap_and) | hpp->adv_err_cap_or;
+ /* Don't enable ECRC generation or checking if unsupported */
+ if (!(reg32 & PCI_ERR_CAP_ECRC_GENC))
+ reg32 &= ~PCI_ERR_CAP_ECRC_GENE;
+ if (!(reg32 & PCI_ERR_CAP_ECRC_CHKC))
+ reg32 &= ~PCI_ERR_CAP_ECRC_CHKE;
pci_write_config_dword(dev, pos + PCI_ERR_CAP, reg32);
/*