From: Felipe Balbi Date: Thu, 8 Sep 2011 18:18:47 +0000 (+0300) Subject: usb: dwc3: gadget: improve debug on link state change X-Git-Tag: firefly_0821_release~3680^2~4327^2~148^2~7 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=019ac83252dc2b356cb0ca81c25a077ec90309e7;p=firefly-linux-kernel-4.4.55.git usb: dwc3: gadget: improve debug on link state change It's useful to know which states core is going through, as it might help us figure out misbehavior on specific link states. Signed-off-by: Felipe Balbi --- diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 2ea2fc86390d..859257a3d634 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1792,10 +1792,10 @@ static void dwc3_gadget_wakeup_interrupt(struct dwc3 *dwc) static void dwc3_gadget_linksts_change_interrupt(struct dwc3 *dwc, unsigned int evtinfo) { - dev_vdbg(dwc->dev, "%s\n", __func__); - /* The fith bit says SuperSpeed yes or no. */ dwc->link_state = evtinfo & DWC3_LINK_STATE_MASK; + + dev_vdbg(dwc->dev, "%s link %d\n", __func__, dwc->link_state); } static void dwc3_gadget_interrupt(struct dwc3 *dwc,