Commit c2db8d7b authored by Artur Petrosyan's avatar Artur Petrosyan Committed by Greg Kroah-Hartman
Browse files

usb: dwc2: Fix host mode hibernation exit with remote wakeup flow. 



Added setting "port_connect_status_change" flag to "1" in order
to re-enumerate, because after exit from hibernation port
connection status is not detected.

Fixes: c5c403dc ("usb: dwc2: Add host/device hibernation functions")
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/20210416124707.5EEC2A005D@mailhost.synopsys.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent b29b494b

drivers/usb/dwc2/hcd.c

+9 −1
Original line number Diff line number Diff line
@@ -5650,7 +5650,15 @@ int dwc2_host_exit_hibernation(struct dwc2_hsotg *hsotg, int rem_wakeup, 
		return ret;

	}



	if (rem_wakeup) {

		dwc2_hcd_rem_wakeup(hsotg);

		/*

		 * Change "port_connect_status_change" flag to re-enumerate,

		 * because after exit from hibernation port connection status

		 * is not detected.

		 */

		hsotg->flags.b.port_connect_status_change = 1;

	}



	hsotg->hibernated = 0;

	hsotg->bus_suspended = 0;