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Commit f260b250 authored by Vardan Mikayelyan's avatar Vardan Mikayelyan Committed by Felipe Balbi
Browse files

usb: dwc2: Change hub-control to allow hibernation 



Affected cases:
ClearPortFeature's
 USB_PORT_FEAT_SUSPEND

SetPortFeature's
 USB_PORT_FEAT_SUSPEND
 USB_PORT_FEAT_RESET

Signed-off-by: default avatarVardan Mikayelyan <mvardan@synopsys.com>
Signed-off-by: default avatarJohn Youn <johnyoun@synopsys.com>
Signed-off-by: default avatarGrigor Tovmasyan <tovmasya@synopsys.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent 65c9c4c6

drivers/usb/dwc2/hcd.c

+13 −3
Original line number Diff line number Diff line
@@ -3506,8 +3506,12 @@ static int dwc2_hcd_hub_control(struct dwc2_hsotg *hsotg, u16 typereq, 
			dev_dbg(hsotg->dev,

				"ClearPortFeature USB_PORT_FEAT_SUSPEND\n");



			if (hsotg->bus_suspended)

			if (hsotg->bus_suspended) {

				if (hsotg->hibernated)

					dwc2_exit_hibernation(hsotg, 0, 0, 1);

				else

					dwc2_port_resume(hsotg);

			}

			break;



		case USB_PORT_FEAT_POWER:
@@ -3715,6 +3719,9 @@ static int dwc2_hcd_hub_control(struct dwc2_hsotg *hsotg, u16 typereq, 
				"SetPortFeature - USB_PORT_FEAT_SUSPEND\n");

			if (windex != hsotg->otg_port)

				goto error;

			if (hsotg->params.power_down == 2)

				dwc2_enter_hibernation(hsotg, 1);

			else

				dwc2_port_suspend(hsotg, windex);

			break;
@@ -3727,6 +3734,9 @@ static int dwc2_hcd_hub_control(struct dwc2_hsotg *hsotg, u16 typereq, 
			break;



		case USB_PORT_FEAT_RESET:

			if (hsotg->params.power_down == 2 &&

			    hsotg->hibernated)

				dwc2_exit_hibernation(hsotg, 0, 1, 1);

			hprt0 = dwc2_read_hprt0(hsotg);

			dev_dbg(hsotg->dev,

				"SetPortFeature - USB_PORT_FEAT_RESET\n");