pcilmr: Fix margining for ports with Lane reversal

[pciutils.git] / lmr / margin_hw.c

diff --git a/lmr/margin_hw.c b/lmr/margin_hw.c
index 2585ca1bf5a69864becb62604ece498b425a9a8d..c3765498fd9ac0f360f478007905462029b1af6e 100644 (file)
--- a/lmr/margin_hw.c
+++ b/lmr/margin_hw.c
@@ -112,15 +112,17 @@ static struct margin_dev
 fill_dev_wrapper(struct pci_dev *dev)
 {
   struct pci_cap *cap = pci_find_cap(dev, PCI_CAP_ID_EXP, PCI_CAP_NORMAL);
-  struct margin_dev res
-    = { .dev = dev,
-        .lmr_cap_addr = pci_find_cap(dev, PCI_EXT_CAP_ID_LMR, PCI_CAP_EXTENDED)->addr,
-        .width = GET_REG_MASK(pci_read_word(dev, cap->addr + PCI_EXP_LNKSTA), PCI_EXP_LNKSTA_WIDTH),
-        .retimers_n
-        = (!!(pci_read_word(dev, cap->addr + PCI_EXP_LNKSTA2) & PCI_EXP_LINKSTA2_RETIMER))
-          + (!!(pci_read_word(dev, cap->addr + PCI_EXP_LNKSTA2) & PCI_EXP_LINKSTA2_2RETIMERS)),
-        .link_speed = (pci_read_word(dev, cap->addr + PCI_EXP_LNKSTA) & PCI_EXP_LNKSTA_SPEED),
-        .hw = detect_unique_hw(dev) };
+  struct margin_dev res = {
+    .dev = dev,
+    .lmr_cap_addr = pci_find_cap(dev, PCI_EXT_CAP_ID_LMR, PCI_CAP_EXTENDED)->addr,
+    .neg_width = GET_REG_MASK(pci_read_word(dev, cap->addr + PCI_EXP_LNKSTA), PCI_EXP_LNKSTA_WIDTH),
+    .max_width = GET_REG_MASK(pci_read_long(dev, cap->addr + PCI_EXP_LNKCAP), PCI_EXP_LNKCAP_WIDTH),
+    .retimers_n
+    = (!!(pci_read_word(dev, cap->addr + PCI_EXP_LNKSTA2) & PCI_EXP_LINKSTA2_RETIMER))
+      + (!!(pci_read_word(dev, cap->addr + PCI_EXP_LNKSTA2) & PCI_EXP_LINKSTA2_2RETIMERS)),
+    .link_speed = (pci_read_word(dev, cap->addr + PCI_EXP_LNKSTA) & PCI_EXP_LNKSTA_SPEED),
+    .hw = detect_unique_hw(dev)
+  };
   return res;
 }