usb: otg: Convert all users to pass struct usb_otg for OTG functions

This changes the otg functions so that they receive struct
otg instead of struct usb_phy as parameter and
converts all users of these functions to pass the otg member
of their usb_phy.

Includes fixes to IMX code from Sascha Hauer.

[ balbi@ti.com : fixed a compile warning on ehci-mv.c ]

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Acked-by: Li Yang <leoli@freescale.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c
index 68ad160..b27cb0b 100644
--- a/drivers/usb/gadget/ci13xxx_udc.c
+++ b/drivers/usb/gadget/ci13xxx_udc.c
@@ -2928,7 +2928,8 @@
 		goto unreg_device;
 
 	if (udc->transceiver) {
-		retval = otg_set_peripheral(udc->transceiver, &udc->gadget);
+		retval = otg_set_peripheral(udc->transceiver->otg,
+						&udc->gadget);
 		if (retval)
 			goto remove_dbg;
 	}
@@ -2945,7 +2946,7 @@
 
 remove_trans:
 	if (udc->transceiver) {
-		otg_set_peripheral(udc->transceiver, &udc->gadget);
+		otg_set_peripheral(udc->transceiver->otg, &udc->gadget);
 		usb_put_transceiver(udc->transceiver);
 	}
 
@@ -2981,7 +2982,7 @@
 	usb_del_gadget_udc(&udc->gadget);
 
 	if (udc->transceiver) {
-		otg_set_peripheral(udc->transceiver, &udc->gadget);
+		otg_set_peripheral(udc->transceiver->otg, &udc->gadget);
 		usb_put_transceiver(udc->transceiver);
 	}
 #ifdef CONFIG_USB_GADGET_DEBUG_FILES