Merge "usb: phy: qusb: Do not power down PHY if EUD is enabled" (6131bf73) · Commits · e / devices / android_kernel_oneplus_sm7250

drivers/usb/phy/phy-msm-qusb.c

+17 −7

Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0-only
		/*
		* Copyright (c) 2014-2019, The Linux Foundation. All rights reserved.
		* Copyright (c) 2014-2020, The Linux Foundation. All rights reserved.
		*/

		#include <linux/module.h>
		@@ -561,6 +561,11 @@ static void qusb_phy_shutdown(struct usb_phy *phy)

		dev_dbg(phy->dev, "%s\n", __func__);

		if (qphy->eud_enable_reg && readl_relaxed(qphy->eud_enable_reg)) {
		dev_err(qphy->phy.dev, "eud is enabled\n");
		return;
		}

		qusb_phy_enable_clocks(qphy, true);

		/* Disable the PHY */
		@@ -647,15 +652,20 @@ static int qusb_phy_set_suspend(struct usb_phy *phy, int suspend)
		writel_relaxed(0x00,
		qphy->base + QUSB2PHY_PORT_INTR_CTRL);

		if (!qphy->eud_enable_reg \|\|
		!readl_relaxed(qphy->eud_enable_reg)) {
		/* Disable PHY */
		writel_relaxed(POWER_DOWN \| readl_relaxed(qphy->base +
		writel_relaxed(POWER_DOWN \|
		readl_relaxed(qphy->base +
		QUSB2PHY_PORT_POWERDOWN),
		qphy->base + QUSB2PHY_PORT_POWERDOWN);
		/* Make sure that above write is completed */
		wmb();

		if (qphy->tcsr_clamp_dig_n)
		writel_relaxed(0x0, qphy->tcsr_clamp_dig_n);
		writel_relaxed(0x0,
		qphy->tcsr_clamp_dig_n);
		}

		qusb_phy_enable_clocks(qphy, false);
		qusb_phy_enable_power(qphy, false);