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-rw-r--r--drivers/pci/probe.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index fd6525277061..8786d2c1a0bd 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -894,6 +894,9 @@ static bool pci_preserve_config(struct pci_host_bridge *host_bridge)
if (pci_acpi_preserve_config(host_bridge))
return true;
+ if (host_bridge->dev.parent && host_bridge->dev.parent->of_node)
+ return of_pci_preserve_config(host_bridge->dev.parent->of_node);
+
return false;
}