Merge "usb: phy: snps: Enable auto-resume during host mode bus suspend" (44af8b34) · Commits · e / devices / android_kernel_xiaomi_nabu

drivers/usb/phy/phy-msm-snps-hs.c

+12 −4

Original line number	Diff line number	Diff line
		/*
		* Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
		* Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
		*
		* This program is free software; you can redistribute it and/or modify
		* it under the terms of the GNU General Public License version 2 and
		@@ -515,9 +515,17 @@ static int msm_hsphy_set_suspend(struct usb_phy *uphy, int suspend)
		}

		if (suspend) { /* Bus suspend */
		if (phy->cable_connected) {
		/* Enable auto-resume functionality by pulsing signal */
		if (phy->phy.flags & PHY_HOST_MODE) {
		if (phy->cable_connected \|\|
		(phy->phy.flags & PHY_HOST_MODE)) {
		/* Enable auto-resume functionality only when
		* there is some peripheral connected and real
		* bus suspend happened
		*/
		if ((phy->phy.flags & PHY_HSFS_MODE) \|\|
		(phy->phy.flags & PHY_LS_MODE)) {
		/* Enable auto-resume functionality by pulsing
		* signal
		*/
		msm_usb_write_readback(phy->base,
		USB2_PHY_USB_PHY_HS_PHY_CTRL2,
		USB2_AUTO_RESUME, USB2_AUTO_RESUME);