Commit e97570f7 authored by Artur Petrosyan's avatar Artur Petrosyan Committed by Greg Kroah-Hartman
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usb: dwc2: Add exit partial power down when port reset is asserted 



Adds Partial Power Down exiting flow when set port feature
reset is received in suspended state.

Acked-by: default avatarMinas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Signed-off-by: default avatarArtur Petrosyan <Arthur.Petrosyan@synopsys.com>
Link: https://lore.kernel.org/r/20210408094526.4DD7AA022E@mailhost.synopsys.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 1e0890eb

drivers/usb/dwc2/hcd.c

+9 −0
Original line number Diff line number Diff line
@@ -3694,6 +3694,15 @@ static int dwc2_hcd_hub_control(struct dwc2_hsotg *hsotg, u16 typereq, 
			if (hsotg->params.power_down == DWC2_POWER_DOWN_PARAM_HIBERNATION &&

			    hsotg->hibernated)

				dwc2_exit_hibernation(hsotg, 0, 1, 1);



			if (hsotg->in_ppd) {

				retval = dwc2_exit_partial_power_down(hsotg, 1,

								      true);

				if (retval)

					dev_err(hsotg->dev,

						"exit partial_power_down failed\n");

			}



			hprt0 = dwc2_read_hprt0(hsotg);

			dev_dbg(hsotg->dev,

				"SetPortFeature - USB_PORT_FEAT_RESET\n");