Merge "dwc3: gadget: Add debug event for pull up operation" (820e7361) · Commits · e / devices / android_kernel_sony_msm8998

drivers/usb/dwc3/gadget.c

+10 −1

Original line number	Diff line number	Diff line
		@@ -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);