diff --git a/drivers/pci/controller/pcie-microchip-host.c b/drivers/pci/controller/pcie-microchip-host.c
index 7263d175b5ad..57b2a62f52c8 100644
--- a/drivers/pci/controller/pcie-microchip-host.c
+++ b/drivers/pci/controller/pcie-microchip-host.c
@@ -9,6 +9,7 @@
 
 #include <linux/clk.h>
 #include <linux/irqchip/chained_irq.h>
+#include <linux/irqdomain.h>
 #include <linux/module.h>
 #include <linux/msi.h>
 #include <linux/of_address.h>