diff --git a/arch/arm/cpu/armv7/tegra20/usb.c b/arch/arm/cpu/armv7/tegra20/usb.c
index 1bccf2b0b2..f151fb2c3b 100644
--- a/arch/arm/cpu/armv7/tegra20/usb.c
+++ b/arch/arm/cpu/armv7/tegra20/usb.c
@@ -44,7 +44,7 @@
 #endif
 
 enum {
-	USB_PORTS_MAX	= 4,			/* Maximum ports we allow */
+	USB_PORTS_MAX	= 3,		/* Maximum ports we allow */
 };
 
 /* Parameters we need for USB */