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-rw-r--r--drivers/pci/quirks.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index de9bbccda21f..7cbdbdd5ddc8 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -108,7 +108,11 @@ int pcie_failed_link_retrain(struct pci_dev *dev)
pcie_capability_read_word(dev, PCI_EXP_LNKSTA, &lnksta);
pcie_capability_read_word(dev, PCI_EXP_LNKCTL2, &oldlnkctl2);
- if (!(lnksta & PCI_EXP_LNKSTA_DLLLA) && pcie_lbms_seen(dev, lnksta)) {
+ if (lnksta & PCI_EXP_LNKSTA_DLLLA) {
+ ;
+ } else if (PCIE_LNKCTL2_TLS2SPEED(oldlnkctl2) == PCIE_SPEED_2_5GT) {
+ return ret;
+ } else if (pcie_lbms_seen(dev, lnksta)) {
pci_info(dev, "broken device, retraining non-functional downstream link at 2.5GT/s\n");
ret = pcie_set_target_speed(dev, PCIE_SPEED_2_5GT, false);
if (ret)