Commit 9b4965d7 authored by Artur Petrosyan's avatar Artur Petrosyan Committed by Greg Kroah-Hartman
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usb: dwc2: Add exit clock gating from session request interrupt 



Added clock gating exit flow from session
request interrupt handler according programming guide.

Signed-off-by: default avatarArtur Petrosyan <Arthur.Petrosyan@synopsys.com>
Link: https://lore.kernel.org/r/20210413073638.921E8A0099@mailhost.synopsys.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 5d240efd

drivers/usb/dwc2/core_intr.c

+13 −6
Original line number Diff line number Diff line
@@ -316,7 +316,8 @@ static void dwc2_handle_session_req_intr(struct dwc2_hsotg *hsotg) 
		hsotg->lx_state);



	if (dwc2_is_device_mode(hsotg)) {

		if (hsotg->lx_state == DWC2_L2 && hsotg->in_ppd) {

		if (hsotg->lx_state == DWC2_L2) {

			if (hsotg->in_ppd) {

				ret = dwc2_exit_partial_power_down(hsotg, 0,

								   true);

				if (ret)
@@ -324,6 +325,12 @@ static void dwc2_handle_session_req_intr(struct dwc2_hsotg *hsotg) 
						"exit power_down failed\n");

			}



			/* Exit gadget mode clock gating. */

			if (hsotg->params.power_down ==

			    DWC2_POWER_DOWN_PARAM_NONE && hsotg->bus_suspended)

				dwc2_gadget_exit_clock_gating(hsotg, 0);

		}



		/*

		 * Report disconnect if there is any previous session

		 * established