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>

diff --git a/drivers/usb/gadget/fsl_usb2_udc.c b/drivers/usb/gadget/fsl_usb2_udc.c
index 157054e..3ca2b31 100644 (file)
--- 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);