diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
index f47f2594c9d43f337719daaaf771c2ad7e5fd9d8..d1f5cea435aac59574558220383c79fa1f797beb 100644
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -48,6 +48,12 @@ static int ehci_platform_reset(struct usb_hcd *hcd)
 	ehci->big_endian_desc = pdata->big_endian_desc;
 	ehci->big_endian_mmio = pdata->big_endian_mmio;
 
+	if (pdata->pre_setup) {
+		retval = pdata->pre_setup(hcd);
+		if (retval < 0)
+			return retval;
+	}
+
 	ehci->caps = hcd->regs + pdata->caps_offset;
 	retval = ehci_setup(hcd);
 	if (retval)
diff --git a/include/linux/usb/ehci_pdriver.h b/include/linux/usb/ehci_pdriver.h
index 99238b096f7e5ae4647ec49b14d828263853a4b2..7eb4dcd0d38663ab434919bd4d4e867788a4a6a0 100644
--- a/include/linux/usb/ehci_pdriver.h
+++ b/include/linux/usb/ehci_pdriver.h
@@ -19,6 +19,9 @@
 #ifndef __USB_CORE_EHCI_PDRIVER_H
 #define __USB_CORE_EHCI_PDRIVER_H
 
+struct platform_device;
+struct usb_hcd;
+
 /**
  * struct usb_ehci_pdata - platform_data for generic ehci driver
  *
@@ -50,6 +53,7 @@ struct usb_ehci_pdata {
 	/* Turn on only VBUS suspend power and hotplug detection,
 	 * turn off everything else */
 	void (*power_suspend)(struct platform_device *pdev);
+	int (*pre_setup)(struct usb_hcd *hcd);
 };
 
 #endif /* __USB_CORE_EHCI_PDRIVER_H */