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-rw-r--r--hw/pci-bridge/pci_expander_bridge.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/hw/pci-bridge/pci_expander_bridge.c b/hw/pci-bridge/pci_expander_bridge.c
index 10e6e7c2ab..de932286b5 100644
--- a/hw/pci-bridge/pci_expander_bridge.c
+++ b/hw/pci-bridge/pci_expander_bridge.c
@@ -193,6 +193,12 @@ static int pxb_map_irq_fn(PCIDevice *pci_dev, int pin)
PCIDevice *pxb = pci_get_bus(pci_dev)->parent_dev;
/*
+ * First carry out normal swizzle to handle
+ * multple root ports on a pxb instance.
+ */
+ pin = pci_swizzle_map_irq_fn(pci_dev, pin);
+
+ /*
* The bios does not index the pxb slot number when
* it computes the IRQ because it resides on bus 0
* and not on the current bus.