USB: Chipidea: rename struct ci13xxx variables from udc to ci

struct ci13xxx represent the controller, which may be device or host,
so name its variables as ci.

Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/chipidea/ci13xxx_msm.c

@@ -15,11 +15,11 @@
 
 #include "ci.h"
 
-#define MSM_USB_BASE	(udc->hw_bank.abs)
+#define MSM_USB_BASE	(ci->hw_bank.abs)
 
-static void ci13xxx_msm_notify_event(struct ci13xxx *udc, unsigned event)
+static void ci13xxx_msm_notify_event(struct ci13xxx *ci, unsigned event)
 {
-	struct device *dev = udc->gadget.dev.parent;
+	struct device *dev = ci->gadget.dev.parent;
 	int val;
 
 	switch (event) {
@@ -34,13 +34,13 @@ static void ci13xxx_msm_notify_event(struct ci13xxx *udc, unsigned event)
 		 * Put the transceiver in non-driving mode. Otherwise host
 		 * may not detect soft-disconnection.
 		 */
-		val = usb_phy_io_read(udc->transceiver, ULPI_FUNC_CTRL);
+		val = usb_phy_io_read(ci->transceiver, ULPI_FUNC_CTRL);
 		val &= ~ULPI_FUNC_CTRL_OPMODE_MASK;
 		val |= ULPI_FUNC_CTRL_OPMODE_NONDRIVING;
-		usb_phy_io_write(udc->transceiver, val, ULPI_FUNC_CTRL);
+		usb_phy_io_write(ci->transceiver, val, ULPI_FUNC_CTRL);
 		break;
 	default:
-		dev_dbg(dev, "unknown ci13xxx_udc event\n");
+		dev_dbg(dev, "unknown ci13xxx event\n");
 		break;
 	}
 }