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 <b37...@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) {
--
1.7.4.1
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