Commit 96d480e6 authored by Jingwu Lin's avatar Jingwu Lin Committed by Felipe Balbi
Browse files

usb: dwc2: host: implement test mode 



Add support for SetPortFeature(PORT_TEST) for root port.

Acked-by: default avatarJohn Youn <johnyoun@synopsys.com>
Signed-off-by: default avatarJingwu Lin <jingwu.lin@intel.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent db62b9a8

drivers/usb/dwc2/hcd.c

+9 −0
Original line number Diff line number Diff line
@@ -1779,6 +1779,15 @@ static int dwc2_hcd_hub_control(struct dwc2_hsotg *hsotg, u16 typereq, 
			/* Not supported */

			break;



		case USB_PORT_FEAT_TEST:

			hprt0 = dwc2_read_hprt0(hsotg);

			dev_dbg(hsotg->dev,

				"SetPortFeature - USB_PORT_FEAT_TEST\n");

			hprt0 &= ~HPRT0_TSTCTL_MASK;

			hprt0 |= (windex >> 8) << HPRT0_TSTCTL_SHIFT;

			writel(hprt0, hsotg->regs + HPRT0);

			break;



		default:

			retval = -EINVAL;

			dev_err(hsotg->dev,