All the i.MX6, i.MX23 and i.MX28 OTG controllers only support UTMI interface. Set to ULPI is not correct, even the controller will reject this setting in PORTSC register.

Signed-off-by: Ye.Li B37916@freescale.com --- Changes since v1: - Add error handling for udc probe

drivers/usb/gadget/ci_udc.c | 14 +++----------- 1 files changed, 3 insertions(+), 11 deletions(-)

diff --git a/drivers/usb/gadget/ci_udc.c b/drivers/usb/gadget/ci_udc.c index 1ba5054..d93cba5 100644 --- a/drivers/usb/gadget/ci_udc.c +++ b/drivers/usb/gadget/ci_udc.c @@ -1018,18 +1018,10 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver) return ret;

ret = ci_udc_probe(); -#if defined(CONFIG_USB_EHCI_MX6) || defined(CONFIG_USB_EHCI_MXS) - /* - * FIXME: usb_lowlevel_init()->ehci_hcd_init() should be doing all - * HW-specific initialization, e.g. ULPI-vs-UTMI PHY selection - */ - if (!ret) { - struct ci_udc *udc = (struct ci_udc *)controller.ctrl->hcor; - - /* select ULPI phy */ - writel(PTS(PTS_ENABLE) | PFSC, &udc->portsc); + if (ret) { + DBG("udc probe failed, returned %d\n", ret); + return ret; } -#endif

ret = driver->bind(&controller.gadget); if (ret) {