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-rw-r--r--hdata/iohub.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/hdata/iohub.c b/hdata/iohub.c
index 2260f600..1630d2a8 100644
--- a/hdata/iohub.c
+++ b/hdata/iohub.c
@@ -757,9 +757,23 @@ static void parse_one_slot(const struct slot_map_entry *entry,
dt_add_property_cells(node, "lanes-reversed",
be16_to_cpu(entry->lane_reverse));
- if (strnlen(entry->name, sizeof(entry->name)))
+ if (strnlen(entry->name, sizeof(entry->name))) {
+ /*
+ * HACK: On some platforms (witherspoon) the slot label is
+ * applied to the device rather than the pcie downstream port
+ * that has the slot under it. Hack around this by moving the
+ * slot label up if the parent port doesn't have one.
+ */
+ if (dt_node_is_compatible(node->parent, "ibm,pcie-port") &&
+ !dt_find_property(node->parent, "ibm,slot-label")) {
+ dt_add_property_nstr(node->parent, "ibm,slot-label",
+ entry->name, sizeof(entry->name));
+ }
+
dt_add_property_nstr(node, "ibm,slot-label",
entry->name, sizeof(entry->name));
+ }
+
if (entry->type == st_slot || entry->type == st_rc_slot)
dt_add_property(node, "ibm,pluggable", NULL, 0);
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