From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB

---
 kernel/drivers/usb/dwc3/dwc3-qcom.c |  485 ++++++++++++++++++++++++++++++++++++++++++++++++-----
 1 files changed, 437 insertions(+), 48 deletions(-)

diff --git a/kernel/drivers/usb/dwc3/dwc3-qcom.c b/kernel/drivers/usb/dwc3/dwc3-qcom.c
index 5bb5384..4147a9d 100644
--- a/kernel/drivers/usb/dwc3/dwc3-qcom.c
+++ b/kernel/drivers/usb/dwc3/dwc3-qcom.c
@@ -4,14 +4,16 @@
  * Inspired by dwc3-of-simple.c
  */
 
+#include <linux/acpi.h>
 #include <linux/io.h>
 #include <linux/of.h>
 #include <linux/clk.h>
 #include <linux/irq.h>
-#include <linux/clk-provider.h>
+#include <linux/of_clk.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/extcon.h>
+#include <linux/interconnect.h>
 #include <linux/of_platform.h>
 #include <linux/platform_device.h>
 #include <linux/phy/phy.h>
@@ -38,10 +40,34 @@
 #define PWR_EVNT_LPM_IN_L2_MASK			BIT(4)
 #define PWR_EVNT_LPM_OUT_L2_MASK		BIT(5)
 
+#define SDM845_QSCRATCH_BASE_OFFSET		0xf8800
+#define SDM845_QSCRATCH_SIZE			0x400
+#define SDM845_DWC3_CORE_SIZE			0xcd00
+
+/* Interconnect path bandwidths in MBps */
+#define USB_MEMORY_AVG_HS_BW MBps_to_icc(240)
+#define USB_MEMORY_PEAK_HS_BW MBps_to_icc(700)
+#define USB_MEMORY_AVG_SS_BW  MBps_to_icc(1000)
+#define USB_MEMORY_PEAK_SS_BW MBps_to_icc(2500)
+#define APPS_USB_AVG_BW 0
+#define APPS_USB_PEAK_BW MBps_to_icc(40)
+
+struct dwc3_acpi_pdata {
+	u32			qscratch_base_offset;
+	u32			qscratch_base_size;
+	u32			dwc3_core_base_size;
+	int			hs_phy_irq_index;
+	int			dp_hs_phy_irq_index;
+	int			dm_hs_phy_irq_index;
+	int			ss_phy_irq_index;
+	bool			is_urs;
+};
+
 struct dwc3_qcom {
 	struct device		*dev;
 	void __iomem		*qscratch_base;
 	struct platform_device	*dwc3;
+	struct platform_device	*urs_usb;
 	struct clk		**clks;
 	int			num_clocks;
 	struct reset_control	*resets;
@@ -56,9 +82,13 @@
 	struct notifier_block	vbus_nb;
 	struct notifier_block	host_nb;
 
+	const struct dwc3_acpi_pdata *acpi_pdata;
+
 	enum usb_dr_mode	mode;
 	bool			is_suspended;
 	bool			pm_suspended;
+	struct icc_path		*icc_path_ddr;
+	struct icc_path		*icc_path_apps;
 };
 
 static inline void dwc3_qcom_setbits(void __iomem *base, u32 offset, u32 val)
@@ -85,7 +115,7 @@
 	readl(base + offset);
 }
 
-static void dwc3_qcom_vbus_overrride_enable(struct dwc3_qcom *qcom, bool enable)
+static void dwc3_qcom_vbus_override_enable(struct dwc3_qcom *qcom, bool enable)
 {
 	if (enable) {
 		dwc3_qcom_setbits(qcom->qscratch_base, QSCRATCH_SS_PHY_CTRL,
@@ -106,7 +136,7 @@
 	struct dwc3_qcom *qcom = container_of(nb, struct dwc3_qcom, vbus_nb);
 
 	/* enable vbus override for device mode */
-	dwc3_qcom_vbus_overrride_enable(qcom, event);
+	dwc3_qcom_vbus_override_enable(qcom, event);
 	qcom->mode = event ? USB_DR_MODE_PERIPHERAL : USB_DR_MODE_HOST;
 
 	return NOTIFY_DONE;
@@ -118,7 +148,7 @@
 	struct dwc3_qcom *qcom = container_of(nb, struct dwc3_qcom, host_nb);
 
 	/* disable vbus override in host mode */
-	dwc3_qcom_vbus_overrride_enable(qcom, !event);
+	dwc3_qcom_vbus_override_enable(qcom, !event);
 	qcom->mode = event ? USB_DR_MODE_HOST : USB_DR_MODE_PERIPHERAL;
 
 	return NOTIFY_DONE;
@@ -173,6 +203,123 @@
 	return 0;
 }
 
+static int dwc3_qcom_interconnect_enable(struct dwc3_qcom *qcom)
+{
+	int ret;
+
+	ret = icc_enable(qcom->icc_path_ddr);
+	if (ret)
+		return ret;
+
+	ret = icc_enable(qcom->icc_path_apps);
+	if (ret)
+		icc_disable(qcom->icc_path_ddr);
+
+	return ret;
+}
+
+static int dwc3_qcom_interconnect_disable(struct dwc3_qcom *qcom)
+{
+	int ret;
+
+	ret = icc_disable(qcom->icc_path_ddr);
+	if (ret)
+		return ret;
+
+	ret = icc_disable(qcom->icc_path_apps);
+	if (ret)
+		icc_enable(qcom->icc_path_ddr);
+
+	return ret;
+}
+
+/**
+ * dwc3_qcom_interconnect_init() - Get interconnect path handles
+ * and set bandwidhth.
+ * @qcom:			Pointer to the concerned usb core.
+ *
+ */
+static int dwc3_qcom_interconnect_init(struct dwc3_qcom *qcom)
+{
+	struct device *dev = qcom->dev;
+	int ret;
+
+	if (has_acpi_companion(dev))
+		return 0;
+
+	qcom->icc_path_ddr = of_icc_get(dev, "usb-ddr");
+	if (IS_ERR(qcom->icc_path_ddr)) {
+		dev_err(dev, "failed to get usb-ddr path: %ld\n",
+			PTR_ERR(qcom->icc_path_ddr));
+		return PTR_ERR(qcom->icc_path_ddr);
+	}
+
+	qcom->icc_path_apps = of_icc_get(dev, "apps-usb");
+	if (IS_ERR(qcom->icc_path_apps)) {
+		dev_err(dev, "failed to get apps-usb path: %ld\n",
+				PTR_ERR(qcom->icc_path_apps));
+		ret = PTR_ERR(qcom->icc_path_apps);
+		goto put_path_ddr;
+	}
+
+	if (usb_get_maximum_speed(&qcom->dwc3->dev) >= USB_SPEED_SUPER ||
+			usb_get_maximum_speed(&qcom->dwc3->dev) == USB_SPEED_UNKNOWN)
+		ret = icc_set_bw(qcom->icc_path_ddr,
+			USB_MEMORY_AVG_SS_BW, USB_MEMORY_PEAK_SS_BW);
+	else
+		ret = icc_set_bw(qcom->icc_path_ddr,
+			USB_MEMORY_AVG_HS_BW, USB_MEMORY_PEAK_HS_BW);
+
+	if (ret) {
+		dev_err(dev, "failed to set bandwidth for usb-ddr path: %d\n", ret);
+		goto put_path_apps;
+	}
+
+	ret = icc_set_bw(qcom->icc_path_apps,
+		APPS_USB_AVG_BW, APPS_USB_PEAK_BW);
+	if (ret) {
+		dev_err(dev, "failed to set bandwidth for apps-usb path: %d\n", ret);
+		goto put_path_apps;
+	}
+
+	return 0;
+
+put_path_apps:
+	icc_put(qcom->icc_path_apps);
+put_path_ddr:
+	icc_put(qcom->icc_path_ddr);
+	return ret;
+}
+
+/**
+ * dwc3_qcom_interconnect_exit() - Release interconnect path handles
+ * @qcom:			Pointer to the concerned usb core.
+ *
+ * This function is used to release interconnect path handle.
+ */
+static void dwc3_qcom_interconnect_exit(struct dwc3_qcom *qcom)
+{
+	icc_put(qcom->icc_path_ddr);
+	icc_put(qcom->icc_path_apps);
+}
+
+/* Only usable in contexts where the role can not change. */
+static bool dwc3_qcom_is_host(struct dwc3_qcom *qcom)
+{
+	struct dwc3 *dwc;
+
+	/*
+	 * FIXME: Fix this layering violation.
+	 */
+	dwc = platform_get_drvdata(qcom->dwc3);
+
+	/* Core driver may not have probed yet. */
+	if (!dwc)
+		return false;
+
+	return dwc->xhci;
+}
+
 static void dwc3_qcom_disable_interrupts(struct dwc3_qcom *qcom)
 {
 	if (qcom->hs_phy_irq) {
@@ -219,10 +366,10 @@
 	}
 }
 
-static int dwc3_qcom_suspend(struct dwc3_qcom *qcom)
+static int dwc3_qcom_suspend(struct dwc3_qcom *qcom, bool wakeup)
 {
 	u32 val;
-	int i;
+	int i, ret;
 
 	if (qcom->is_suspended)
 		return 0;
@@ -234,7 +381,11 @@
 	for (i = qcom->num_clocks - 1; i >= 0; i--)
 		clk_disable_unprepare(qcom->clks[i]);
 
-	if (device_may_wakeup(qcom->dev))
+	ret = dwc3_qcom_interconnect_disable(qcom);
+	if (ret)
+		dev_warn(qcom->dev, "failed to disable interconnect: %d\n", ret);
+
+	if (wakeup)
 		dwc3_qcom_enable_interrupts(qcom);
 
 	qcom->is_suspended = true;
@@ -242,7 +393,7 @@
 	return 0;
 }
 
-static int dwc3_qcom_resume(struct dwc3_qcom *qcom)
+static int dwc3_qcom_resume(struct dwc3_qcom *qcom, bool wakeup)
 {
 	int ret;
 	int i;
@@ -250,7 +401,7 @@
 	if (!qcom->is_suspended)
 		return 0;
 
-	if (device_may_wakeup(qcom->dev))
+	if (wakeup)
 		dwc3_qcom_disable_interrupts(qcom);
 
 	for (i = 0; i < qcom->num_clocks; i++) {
@@ -261,6 +412,10 @@
 			return ret;
 		}
 	}
+
+	ret = dwc3_qcom_interconnect_enable(qcom);
+	if (ret)
+		dev_warn(qcom->dev, "failed to enable interconnect: %d\n", ret);
 
 	/* Clear existing events from PHY related to L2 in/out */
 	dwc3_qcom_setbits(qcom->qscratch_base, PWR_EVNT_IRQ_STAT_REG,
@@ -280,7 +435,11 @@
 	if (qcom->pm_suspended)
 		return IRQ_HANDLED;
 
-	if (dwc->xhci)
+	/*
+	 * This is safe as role switching is done from a freezable workqueue
+	 * and the wakeup interrupts are disabled as part of resume.
+	 */
+	if (dwc3_qcom_is_host(qcom))
 		pm_runtime_resume(&dwc->xhci->dev);
 
 	return IRQ_HANDLED;
@@ -303,12 +462,31 @@
 			  PIPE_UTMI_CLK_DIS);
 }
 
+static int dwc3_qcom_get_irq(struct platform_device *pdev,
+			     const char *name, int num)
+{
+	struct dwc3_qcom *qcom = platform_get_drvdata(pdev);
+	struct platform_device *pdev_irq = qcom->urs_usb ? qcom->urs_usb : pdev;
+	struct device_node *np = pdev->dev.of_node;
+	int ret;
+
+	if (np)
+		ret = platform_get_irq_byname_optional(pdev_irq, name);
+	else
+		ret = platform_get_irq_optional(pdev_irq, num);
+
+	return ret;
+}
+
 static int dwc3_qcom_setup_irq(struct platform_device *pdev)
 {
 	struct dwc3_qcom *qcom = platform_get_drvdata(pdev);
-	int irq, ret;
+	const struct dwc3_acpi_pdata *pdata = qcom->acpi_pdata;
+	int irq;
+	int ret;
 
-	irq = platform_get_irq_byname(pdev, "hs_phy_irq");
+	irq = dwc3_qcom_get_irq(pdev, "hs_phy_irq",
+				pdata ? pdata->hs_phy_irq_index : -1);
 	if (irq > 0) {
 		/* Keep wakeup interrupts disabled until suspend */
 		irq_set_status_flags(irq, IRQ_NOAUTOEN);
@@ -323,7 +501,8 @@
 		qcom->hs_phy_irq = irq;
 	}
 
-	irq = platform_get_irq_byname(pdev, "dp_hs_phy_irq");
+	irq = dwc3_qcom_get_irq(pdev, "dp_hs_phy_irq",
+				pdata ? pdata->dp_hs_phy_irq_index : -1);
 	if (irq > 0) {
 		irq_set_status_flags(irq, IRQ_NOAUTOEN);
 		ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
@@ -337,7 +516,8 @@
 		qcom->dp_hs_phy_irq = irq;
 	}
 
-	irq = platform_get_irq_byname(pdev, "dm_hs_phy_irq");
+	irq = dwc3_qcom_get_irq(pdev, "dm_hs_phy_irq",
+				pdata ? pdata->dm_hs_phy_irq_index : -1);
 	if (irq > 0) {
 		irq_set_status_flags(irq, IRQ_NOAUTOEN);
 		ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
@@ -351,7 +531,8 @@
 		qcom->dm_hs_phy_irq = irq;
 	}
 
-	irq = platform_get_irq_byname(pdev, "ss_phy_irq");
+	irq = dwc3_qcom_get_irq(pdev, "ss_phy_irq",
+				pdata ? pdata->ss_phy_irq_index : -1);
 	if (irq > 0) {
 		irq_set_status_flags(irq, IRQ_NOAUTOEN);
 		ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
@@ -374,10 +555,13 @@
 	struct device_node	*np = dev->of_node;
 	int			i;
 
-	qcom->num_clocks = count;
-
-	if (!count)
+	if (!np || !count)
 		return 0;
+
+	if (count < 0)
+		return count;
+
+	qcom->num_clocks = count;
 
 	qcom->clks = devm_kcalloc(dev, qcom->num_clocks,
 				  sizeof(struct clk *), GFP_KERNEL);
@@ -412,12 +596,142 @@
 	return 0;
 }
 
-static int dwc3_qcom_probe(struct platform_device *pdev)
+static const struct property_entry dwc3_qcom_acpi_properties[] = {
+	PROPERTY_ENTRY_STRING("dr_mode", "host"),
+	{}
+};
+
+static int dwc3_qcom_acpi_register_core(struct platform_device *pdev)
 {
+	struct dwc3_qcom	*qcom = platform_get_drvdata(pdev);
+	struct device		*dev = &pdev->dev;
+	struct resource		*res, *child_res = NULL;
+	struct platform_device	*pdev_irq = qcom->urs_usb ? qcom->urs_usb :
+							    pdev;
+	int			irq;
+	int			ret;
+
+	qcom->dwc3 = platform_device_alloc("dwc3", PLATFORM_DEVID_AUTO);
+	if (!qcom->dwc3)
+		return -ENOMEM;
+
+	qcom->dwc3->dev.parent = dev;
+	qcom->dwc3->dev.type = dev->type;
+	qcom->dwc3->dev.dma_mask = dev->dma_mask;
+	qcom->dwc3->dev.dma_parms = dev->dma_parms;
+	qcom->dwc3->dev.coherent_dma_mask = dev->coherent_dma_mask;
+
+	child_res = kcalloc(2, sizeof(*child_res), GFP_KERNEL);
+	if (!child_res)
+		return -ENOMEM;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(&pdev->dev, "failed to get memory resource\n");
+		ret = -ENODEV;
+		goto out;
+	}
+
+	child_res[0].flags = res->flags;
+	child_res[0].start = res->start;
+	child_res[0].end = child_res[0].start +
+		qcom->acpi_pdata->dwc3_core_base_size;
+
+	irq = platform_get_irq(pdev_irq, 0);
+	if (irq < 0) {
+		ret = irq;
+		goto out;
+	}
+	child_res[1].flags = IORESOURCE_IRQ;
+	child_res[1].start = child_res[1].end = irq;
+
+	ret = platform_device_add_resources(qcom->dwc3, child_res, 2);
+	if (ret) {
+		dev_err(&pdev->dev, "failed to add resources\n");
+		goto out;
+	}
+
+	ret = platform_device_add_properties(qcom->dwc3,
+					     dwc3_qcom_acpi_properties);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "failed to add properties\n");
+		goto out;
+	}
+
+	ret = platform_device_add(qcom->dwc3);
+	if (ret)
+		dev_err(&pdev->dev, "failed to add device\n");
+
+out:
+	kfree(child_res);
+	return ret;
+}
+
+static int dwc3_qcom_of_register_core(struct platform_device *pdev)
+{
+	struct dwc3_qcom	*qcom = platform_get_drvdata(pdev);
 	struct device_node	*np = pdev->dev.of_node, *dwc3_np;
 	struct device		*dev = &pdev->dev;
+	int			ret;
+
+	dwc3_np = of_get_child_by_name(np, "dwc3");
+	if (!dwc3_np) {
+		dev_err(dev, "failed to find dwc3 core child\n");
+		return -ENODEV;
+	}
+
+	ret = of_platform_populate(np, NULL, NULL, dev);
+	if (ret) {
+		dev_err(dev, "failed to register dwc3 core - %d\n", ret);
+		goto node_put;
+	}
+
+	qcom->dwc3 = of_find_device_by_node(dwc3_np);
+	if (!qcom->dwc3) {
+		ret = -ENODEV;
+		dev_err(dev, "failed to get dwc3 platform device\n");
+	}
+
+node_put:
+	of_node_put(dwc3_np);
+
+	return ret;
+}
+
+static struct platform_device *
+dwc3_qcom_create_urs_usb_platdev(struct device *dev)
+{
+	struct fwnode_handle *fwh;
+	struct acpi_device *adev;
+	char name[8];
+	int ret;
+	int id;
+
+	/* Figure out device id */
+	ret = sscanf(fwnode_get_name(dev->fwnode), "URS%d", &id);
+	if (!ret)
+		return NULL;
+
+	/* Find the child using name */
+	snprintf(name, sizeof(name), "USB%d", id);
+	fwh = fwnode_get_named_child_node(dev->fwnode, name);
+	if (!fwh)
+		return NULL;
+
+	adev = to_acpi_device_node(fwh);
+	if (!adev)
+		return NULL;
+
+	return acpi_create_platform_device(adev, NULL);
+}
+
+static int dwc3_qcom_probe(struct platform_device *pdev)
+{
+	struct device_node	*np = pdev->dev.of_node;
+	struct device		*dev = &pdev->dev;
 	struct dwc3_qcom	*qcom;
-	struct resource		*res;
+	struct resource		*res, *parent_res = NULL;
+	struct resource		local_res;
 	int			ret, i;
 	bool			ignore_pipe_clk;
 
@@ -427,6 +741,14 @@
 
 	platform_set_drvdata(pdev, qcom);
 	qcom->dev = &pdev->dev;
+
+	if (has_acpi_companion(dev)) {
+		qcom->acpi_pdata = acpi_device_get_match_data(dev);
+		if (!qcom->acpi_pdata) {
+			dev_err(&pdev->dev, "no supporting ACPI device data\n");
+			return -EINVAL;
+		}
+	}
 
 	qcom->resets = devm_reset_control_array_get_optional_exclusive(dev);
 	if (IS_ERR(qcom->resets)) {
@@ -449,15 +771,39 @@
 		goto reset_assert;
 	}
 
-	ret = dwc3_qcom_clk_init(qcom, of_count_phandle_with_args(np,
-						"clocks", "#clock-cells"));
+	ret = dwc3_qcom_clk_init(qcom, of_clk_get_parent_count(np));
 	if (ret) {
 		dev_err(dev, "failed to get clocks\n");
 		goto reset_assert;
 	}
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	qcom->qscratch_base = devm_ioremap_resource(dev, res);
+
+	if (np) {
+		parent_res = res;
+	} else {
+		memcpy(&local_res, res, sizeof(struct resource));
+		parent_res = &local_res;
+
+		parent_res->start = res->start +
+			qcom->acpi_pdata->qscratch_base_offset;
+		parent_res->end = parent_res->start +
+			qcom->acpi_pdata->qscratch_base_size;
+
+		if (qcom->acpi_pdata->is_urs) {
+			qcom->urs_usb = dwc3_qcom_create_urs_usb_platdev(dev);
+			if (IS_ERR_OR_NULL(qcom->urs_usb)) {
+				dev_err(dev, "failed to create URS USB platdev\n");
+				if (!qcom->urs_usb)
+					ret = -ENODEV;
+				else
+					ret = PTR_ERR(qcom->urs_usb);
+				goto clk_disable;
+			}
+		}
+	}
+
+	qcom->qscratch_base = devm_ioremap_resource(dev, parent_res);
 	if (IS_ERR(qcom->qscratch_base)) {
 		dev_err(dev, "failed to map qscratch, err=%d\n", ret);
 		ret = PTR_ERR(qcom->qscratch_base);
@@ -465,13 +811,8 @@
 	}
 
 	ret = dwc3_qcom_setup_irq(pdev);
-	if (ret)
-		goto clk_disable;
-
-	dwc3_np = of_get_child_by_name(np, "dwc3");
-	if (!dwc3_np) {
-		dev_err(dev, "failed to find dwc3 core child\n");
-		ret = -ENODEV;
+	if (ret) {
+		dev_err(dev, "failed to setup IRQs, err=%d\n", ret);
 		goto clk_disable;
 	}
 
@@ -484,29 +825,30 @@
 	if (ignore_pipe_clk)
 		dwc3_qcom_select_utmi_clk(qcom);
 
-	ret = of_platform_populate(np, NULL, NULL, dev);
-	if (ret) {
-		dev_err(dev, "failed to register dwc3 core - %d\n", ret);
-		goto clk_disable;
-	}
+	if (np)
+		ret = dwc3_qcom_of_register_core(pdev);
+	else
+		ret = dwc3_qcom_acpi_register_core(pdev);
 
-	qcom->dwc3 = of_find_device_by_node(dwc3_np);
-	if (!qcom->dwc3) {
-		dev_err(&pdev->dev, "failed to get dwc3 platform device\n");
-		ret = -ENODEV;
+	if (ret) {
+		dev_err(dev, "failed to register DWC3 Core, err=%d\n", ret);
 		goto depopulate;
 	}
+
+	ret = dwc3_qcom_interconnect_init(qcom);
+	if (ret)
+		goto depopulate;
 
 	qcom->mode = usb_get_dr_mode(&qcom->dwc3->dev);
 
 	/* enable vbus override for device mode */
-	if (qcom->mode == USB_DR_MODE_PERIPHERAL)
-		dwc3_qcom_vbus_overrride_enable(qcom, true);
+	if (qcom->mode != USB_DR_MODE_HOST)
+		dwc3_qcom_vbus_override_enable(qcom, true);
 
 	/* register extcon to override sw_vbus on Vbus change later */
 	ret = dwc3_qcom_register_extcon(qcom);
 	if (ret)
-		goto depopulate;
+		goto interconnect_exit;
 
 	device_init_wakeup(&pdev->dev, 1);
 	qcom->is_suspended = false;
@@ -516,8 +858,13 @@
 
 	return 0;
 
+interconnect_exit:
+	dwc3_qcom_interconnect_exit(qcom);
 depopulate:
-	of_platform_depopulate(&pdev->dev);
+	if (np)
+		of_platform_depopulate(&pdev->dev);
+	else
+		platform_device_put(pdev);
 clk_disable:
 	for (i = qcom->num_clocks - 1; i >= 0; i--) {
 		clk_disable_unprepare(qcom->clks[i]);
@@ -532,10 +879,14 @@
 static int dwc3_qcom_remove(struct platform_device *pdev)
 {
 	struct dwc3_qcom *qcom = platform_get_drvdata(pdev);
+	struct device_node *np = pdev->dev.of_node;
 	struct device *dev = &pdev->dev;
 	int i;
 
-	of_platform_depopulate(dev);
+	if (np)
+		of_platform_depopulate(&pdev->dev);
+	else
+		platform_device_put(pdev);
 
 	for (i = qcom->num_clocks - 1; i >= 0; i--) {
 		clk_disable_unprepare(qcom->clks[i]);
@@ -543,6 +894,7 @@
 	}
 	qcom->num_clocks = 0;
 
+	dwc3_qcom_interconnect_exit(qcom);
 	reset_control_assert(qcom->resets);
 
 	pm_runtime_allow(dev);
@@ -554,9 +906,11 @@
 static int __maybe_unused dwc3_qcom_pm_suspend(struct device *dev)
 {
 	struct dwc3_qcom *qcom = dev_get_drvdata(dev);
+	bool wakeup = device_may_wakeup(dev);
 	int ret = 0;
 
-	ret = dwc3_qcom_suspend(qcom);
+
+	ret = dwc3_qcom_suspend(qcom, wakeup);
 	if (!ret)
 		qcom->pm_suspended = true;
 
@@ -566,9 +920,10 @@
 static int __maybe_unused dwc3_qcom_pm_resume(struct device *dev)
 {
 	struct dwc3_qcom *qcom = dev_get_drvdata(dev);
+	bool wakeup = device_may_wakeup(dev);
 	int ret;
 
-	ret = dwc3_qcom_resume(qcom);
+	ret = dwc3_qcom_resume(qcom, wakeup);
 	if (!ret)
 		qcom->pm_suspended = false;
 
@@ -579,14 +934,14 @@
 {
 	struct dwc3_qcom *qcom = dev_get_drvdata(dev);
 
-	return dwc3_qcom_suspend(qcom);
+	return dwc3_qcom_suspend(qcom, true);
 }
 
 static int __maybe_unused dwc3_qcom_runtime_resume(struct device *dev)
 {
 	struct dwc3_qcom *qcom = dev_get_drvdata(dev);
 
-	return dwc3_qcom_resume(qcom);
+	return dwc3_qcom_resume(qcom, true);
 }
 
 static const struct dev_pm_ops dwc3_qcom_dev_pm_ops = {
@@ -598,10 +953,43 @@
 static const struct of_device_id dwc3_qcom_of_match[] = {
 	{ .compatible = "qcom,dwc3" },
 	{ .compatible = "qcom,msm8996-dwc3" },
+	{ .compatible = "qcom,msm8998-dwc3" },
 	{ .compatible = "qcom,sdm845-dwc3" },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, dwc3_qcom_of_match);
+
+#ifdef CONFIG_ACPI
+static const struct dwc3_acpi_pdata sdm845_acpi_pdata = {
+	.qscratch_base_offset = SDM845_QSCRATCH_BASE_OFFSET,
+	.qscratch_base_size = SDM845_QSCRATCH_SIZE,
+	.dwc3_core_base_size = SDM845_DWC3_CORE_SIZE,
+	.hs_phy_irq_index = 1,
+	.dp_hs_phy_irq_index = 4,
+	.dm_hs_phy_irq_index = 3,
+	.ss_phy_irq_index = 2
+};
+
+static const struct dwc3_acpi_pdata sdm845_acpi_urs_pdata = {
+	.qscratch_base_offset = SDM845_QSCRATCH_BASE_OFFSET,
+	.qscratch_base_size = SDM845_QSCRATCH_SIZE,
+	.dwc3_core_base_size = SDM845_DWC3_CORE_SIZE,
+	.hs_phy_irq_index = 1,
+	.dp_hs_phy_irq_index = 4,
+	.dm_hs_phy_irq_index = 3,
+	.ss_phy_irq_index = 2,
+	.is_urs = true,
+};
+
+static const struct acpi_device_id dwc3_qcom_acpi_match[] = {
+	{ "QCOM2430", (unsigned long)&sdm845_acpi_pdata },
+	{ "QCOM0304", (unsigned long)&sdm845_acpi_urs_pdata },
+	{ "QCOM0497", (unsigned long)&sdm845_acpi_urs_pdata },
+	{ "QCOM04A6", (unsigned long)&sdm845_acpi_pdata },
+	{ },
+};
+MODULE_DEVICE_TABLE(acpi, dwc3_qcom_acpi_match);
+#endif
 
 static struct platform_driver dwc3_qcom_driver = {
 	.probe		= dwc3_qcom_probe,
@@ -610,6 +998,7 @@
 		.name	= "dwc3-qcom",
 		.pm	= &dwc3_qcom_dev_pm_ops,
 		.of_match_table	= dwc3_qcom_of_match,
+		.acpi_match_table = ACPI_PTR(dwc3_qcom_acpi_match),
 	},
 };
 

--
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