diff --git a/drivers/pci/pci_tegra.c b/drivers/pci/pci_tegra.c
index 3b4b276..82f5c59 100644
--- a/drivers/pci/pci_tegra.c
+++ b/drivers/pci/pci_tegra.c
@@ -21,6 +21,7 @@
 #include <pci_tegra.h>
 #include <power-domain.h>
 #include <reset.h>
+#include <linux/delay.h>
 
 #include <asm/io.h>
 #include <asm/gpio.h>