USB: fsl_usb2_udc: Fix UMTI_WIDE support and a compile warning

Change PORT_WIDTH bit for UMTI_WIDE mode and fix a compile warning
introduced in last revision.

Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/usb/gadget/fsl_usb2_udc.c b/drivers/usb/gadget/fsl_usb2_udc.c
index 157054ea3978..3ca2b3159f00 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.c
+++ b/drivers/usb/gadget/fsl_usb2_udc.c
@@ -228,13 +228,15 @@ static int dr_controller_setup(struct fsl_udc *udc)
 
         /* Config PHY interface */
         portctrl = fsl_readl(&dr_regs->portsc1);
-        portctrl &= ~PORTSCX_PHY_TYPE_SEL;
+        portctrl &= ~(PORTSCX_PHY_TYPE_SEL & PORTSCX_PORT_WIDTH);
         switch (udc->phy_mode) {
         case FSL_USB2_PHY_ULPI:
                 portctrl |= PORTSCX_PTS_ULPI;
                 break;
-        case FSL_USB2_PHY_UTMI:
         case FSL_USB2_PHY_UTMI_WIDE:
+                portctrl |= PORTSCX_PTW_16BIT;
+                /* fall through */
+        case FSL_USB2_PHY_UTMI:
                 portctrl |= PORTSCX_PTS_UTMI;
                 break;
         case FSL_USB2_PHY_SERIAL:
@@ -625,7 +627,7 @@ static void fsl_free_buffer(struct usb_ep *_ep, void *buf,
         struct fsl_ep *ep;
 
         if (!_ep)
-                return NULL;
+                return;
 
         ep = container_of(_ep, struct fsl_ep, ep);