usb: chipidea: use common definition for USBMODE bits

Some of the bits of USBMODE register are defined in <usb/ehci_def.h>,
use them instead of having our own definitions.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/chipidea/bits.h

@@ -13,6 +13,8 @@
 #ifndef __DRIVERS_USB_CHIPIDEA_BITS_H
 #define __DRIVERS_USB_CHIPIDEA_BITS_H
 
+#include <linux/usb/ehci_def.h>
+
 /* HCCPARAMS */
 #define HCCPARAMS_LEN         BIT(17)
 
@@ -70,11 +72,9 @@
 
 /* USBMODE */
 #define USBMODE_CM            (0x03UL <<  0)
-#define    USBMODE_CM_IDLE    (0x00UL <<  0)
-#define    USBMODE_CM_DEVICE  (0x02UL <<  0)
-#define    USBMODE_CM_HOST    (0x03UL <<  0)
+#define USBMODE_CM_DC         (0x02UL <<  0)
 #define USBMODE_SLOM          BIT(3)
-#define USBMODE_SDIS          BIT(4)
+#define USBMODE_CI_SDIS       BIT(4)
 
 /* ENDPTCTRL */
 #define ENDPTCTRL_RXS         BIT(0)

drivers/usb/chipidea/core.c

@@ -231,15 +231,15 @@ int hw_device_reset(struct ci13xxx *ci)
 			CI13XXX_CONTROLLER_RESET_EVENT);
 
 	if (ci->udc_driver->flags & CI13XXX_DISABLE_STREAMING)
-		hw_write(ci, OP_USBMODE, USBMODE_SDIS, USBMODE_SDIS);
+		hw_write(ci, OP_USBMODE, USBMODE_CI_SDIS, USBMODE_CI_SDIS);
 
 	/* USBMODE should be configured step by step */
 	hw_write(ci, OP_USBMODE, USBMODE_CM, USBMODE_CM_IDLE);
-	hw_write(ci, OP_USBMODE, USBMODE_CM, USBMODE_CM_DEVICE);
+	hw_write(ci, OP_USBMODE, USBMODE_CM, USBMODE_CM_DC);
 	/* HW >= 2.3 */
 	hw_write(ci, OP_USBMODE, USBMODE_SLOM, USBMODE_SLOM);
 
-	if (hw_read(ci, OP_USBMODE, USBMODE_CM) != USBMODE_CM_DEVICE) {
+	if (hw_read(ci, OP_USBMODE, USBMODE_CM) != USBMODE_CM_DC) {
 		pr_err("cannot enter in device mode");
 		pr_err("lpm = %i", ci->hw_bank.lpm);
 		return -ENODEV;

drivers/usb/chipidea/udc.c

@@ -1606,7 +1606,7 @@ static irqreturn_t udc_irq(struct ci13xxx *udc)
 
 	if (udc->udc_driver->flags & CI13XXX_REGS_SHARED) {
 		if (hw_read(udc, OP_USBMODE, USBMODE_CM) !=
-				USBMODE_CM_DEVICE) {
+				USBMODE_CM_DC) {
 			spin_unlock(&udc->lock);
 			return IRQ_NONE;
 		}