1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c
index fd3e3ab56509..4fe349dcaf59 100644
--- a/drivers/pci/host/pci-rcar-gen2.c
+++ b/drivers/pci/host/pci-rcar-gen2.c
@@ -15,6 +15,7 @@
 #include <linux/io.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/of_pci.h>
 #include <linux/pci.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
@@ -180,8 +181,13 @@ static int rcar_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
         struct pci_sys_data *sys = dev->bus->sysdata;
         struct rcar_pci_priv *priv = sys->private_data;
+        int irq;
+
+        irq = of_irq_parse_and_map_pci(dev, slot, pin);
+        if (!irq)
+                irq = priv->irq;
 
-        return priv->irq;
+        return irq;
 }
 
 #ifdef CONFIG_PCI_DEBUG