diff options
Diffstat (limited to 'drivers/usb/chipidea/udc.c')
| -rw-r--r-- | drivers/usb/chipidea/udc.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index dc6c96e04bcf..0c9ae9768a67 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1651,6 +1651,19 @@ static const struct usb_ep_ops usb_ep_ops = { /****************************************************************************** * GADGET block *****************************************************************************/ + +static int ci_udc_get_frame(struct usb_gadget *_gadget) +{ + struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); + unsigned long flags; + int ret; + + spin_lock_irqsave(&ci->lock, flags); + ret = hw_read(ci, OP_FRINDEX, 0x3fff); + spin_unlock_irqrestore(&ci->lock, flags); + return ret >> 3; +} + /* * ci_hdrc_gadget_connect: caller makes sure gadget driver is binded */ @@ -1807,6 +1820,7 @@ static struct usb_ep *ci_udc_match_ep(struct usb_gadget *gadget, * Check "usb_gadget.h" for details */ static const struct usb_gadget_ops usb_gadget_ops = { + .get_frame = ci_udc_get_frame, .vbus_session = ci_udc_vbus_session, .wakeup = ci_udc_wakeup, .set_selfpowered = ci_udc_selfpowered, |