diff options
Diffstat (limited to 'drivers/usb/dwc3/gadget.c')
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 7087b5744eef..35994b827549 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1787,6 +1787,7 @@ static int dwc3_gadget_run_stop(struct dwc3 *dwc, int is_on, int suspend) reg = dwc3_readl(dwc->regs, DWC3_DCTL); if (is_on) { + dbg_event(0xFF, "Pullup_enable", is_on); if (dwc->revision <= DWC3_REVISION_187A) { reg &= ~DWC3_DCTL_TRGTULST_MASK; reg |= DWC3_DCTL_TRGTULST_RX_DET; @@ -1824,6 +1825,7 @@ static int dwc3_gadget_run_stop(struct dwc3 *dwc, int is_on, int suspend) dwc->pullups_connected = true; } else { + dbg_event(0xFF, "Pullup_disable", is_on); dwc3_gadget_disable_irq(dwc); __dwc3_gadget_ep_disable(dwc->eps[0]); __dwc3_gadget_ep_disable(dwc->eps[1]); @@ -1849,8 +1851,15 @@ static int dwc3_gadget_run_stop(struct dwc3 *dwc, int is_on, int suspend) break; } timeout--; - if (!timeout) + if (!timeout) { + dev_err(dwc->dev, "failed to %s controller\n", + is_on ? "start" : "stop"); + if (is_on) + dbg_event(0xFF, "STARTTOUT", reg); + else + dbg_event(0xFF, "STOPTOUT", reg); return -ETIMEDOUT; + } udelay(1); } while (1); |