Merge tag 'v6.18' into next

Sync up with the mainline to bring in the latest APIs.

13 files changed, 403 insertions, 151 deletions

diff --git a/drivers/usb/dwc3/Kconfig b/drivers/usb/dwc3/Kconfig
index 310d182e10b5..4925d15084f8 100644
--- a/drivers/usb/dwc3/Kconfig
+++ b/drivers/usb/dwc3/Kconfig
@@ -189,4 +189,15 @@ config USB_DWC3_RTK
 	  or dual-role mode.
 	  Say 'Y' or 'M' if you have such device.
 
+config USB_DWC3_GENERIC_PLAT
+	tristate "DWC3 Generic Platform Driver"
+	depends on OF && COMMON_CLK
+	default USB_DWC3
+	help
+	  Support USB3 functionality in simple SoC integrations.
+	  Currently supports SpacemiT DWC USB3. Platforms using
+	  dwc3-of-simple can easily switch to dwc3-generic by flattening
+	  the dwc3 child node in the device tree.
+	  Say 'Y' or 'M' here if your platform integrates DWC3 in a similar way.
+
 endif
diff --git a/drivers/usb/dwc3/Makefile b/drivers/usb/dwc3/Makefile
index 830e6c9e5fe0..96469e48ff9d 100644
--- a/drivers/usb/dwc3/Makefile
+++ b/drivers/usb/dwc3/Makefile
@@ -57,3 +57,4 @@ obj-$(CONFIG_USB_DWC3_IMX8MP)		+= dwc3-imx8mp.o
 obj-$(CONFIG_USB_DWC3_XILINX)		+= dwc3-xilinx.o
 obj-$(CONFIG_USB_DWC3_OCTEON)		+= dwc3-octeon.o
 obj-$(CONFIG_USB_DWC3_RTK)		+= dwc3-rtk.o
+obj-$(CONFIG_USB_DWC3_GENERIC_PLAT)	+= dwc3-generic-plat.o
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 8002c23a5a02..c2ce2f5e60a1 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -25,6 +25,7 @@
 #include <linux/of.h>
 #include <linux/of_graph.h>
 #include <linux/acpi.h>
+#include <linux/pci.h>
 #include <linux/pinctrl/consumer.h>
 #include <linux/pinctrl/devinfo.h>
 #include <linux/reset.h>
@@ -156,6 +157,7 @@ void dwc3_set_prtcap(struct dwc3 *dwc, u32 mode, bool ignore_susphy)
 	dwc3_writel(dwc->regs, DWC3_GCTL, reg);
 
 	dwc->current_dr_role = mode;
+	trace_dwc3_set_prtcap(mode);
 }
 
 static void __dwc3_set_mode(struct work_struct *work)
@@ -2240,7 +2242,7 @@ int dwc3_core_probe(const struct dwc3_probe_data *data)
 	dev_set_drvdata(dev, dwc);
 	dwc3_cache_hwparams(dwc);
 
-	if (!dwc->sysdev_is_parent &&
+	if (!dev_is_pci(dwc->sysdev) &&
 	    DWC3_GHWPARAMS0_AWIDTH(dwc->hwparams.hwparams0) == 64) {
 		ret = dma_set_mask_and_coherent(dwc->sysdev, DMA_BIT_MASK(64));
 		if (ret)
@@ -2351,6 +2353,7 @@ static int dwc3_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	dwc->dev = &pdev->dev;
+	dwc->glue_ops = NULL;
 
 	probe_data.dwc = dwc;
 	probe_data.res = res;
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index d5b985fa12f4..a5fc92c4ffa3 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -993,6 +993,17 @@ struct dwc3_scratchpad_array {
 };
 
 /**
+ * struct dwc3_glue_ops - The ops indicate the notifications that
+ *				need to be passed on to glue layer
+ * @pre_set_role: Notify glue of role switch notifications
+ * @pre_run_stop: Notify run stop enable/disable information to glue
+ */
+struct dwc3_glue_ops {
+	void	(*pre_set_role)(struct dwc3 *dwc, enum usb_role role);
+	void	(*pre_run_stop)(struct dwc3 *dwc, bool is_on);
+};
+
+/**
  * struct dwc3 - representation of our controller
  * @drd_work: workqueue used for role swapping
  * @ep0_trb: trb which is used for the ctrl_req
@@ -1012,6 +1023,7 @@ struct dwc3_scratchpad_array {
  * @eps: endpoint array
  * @gadget: device side representation of the peripheral controller
  * @gadget_driver: pointer to the gadget driver
+ * @glue_ops: Vendor callbacks for flattened device implementations.
  * @bus_clk: clock for accessing the registers
  * @ref_clk: reference clock
  * @susp_clk: clock used when the SS phy is in low power (S3) state
@@ -1197,6 +1209,8 @@ struct dwc3 {
 	struct usb_gadget	*gadget;
 	struct usb_gadget_driver *gadget_driver;
 
+	const struct dwc3_glue_ops	*glue_ops;
+
 	struct clk		*bus_clk;
 	struct clk		*ref_clk;
 	struct clk		*susp_clk;
@@ -1614,6 +1628,18 @@ void dwc3_event_buffers_cleanup(struct dwc3 *dwc);
 int dwc3_core_soft_reset(struct dwc3 *dwc);
 void dwc3_enable_susphy(struct dwc3 *dwc, bool enable);
 
+static inline void dwc3_pre_set_role(struct dwc3 *dwc, enum usb_role role)
+{
+	if (dwc->glue_ops && dwc->glue_ops->pre_set_role)
+		dwc->glue_ops->pre_set_role(dwc, role);
+}
+
+static inline void dwc3_pre_run_stop(struct dwc3 *dwc, bool is_on)
+{
+	if (dwc->glue_ops && dwc->glue_ops->pre_run_stop)
+		dwc->glue_ops->pre_run_stop(dwc, is_on);
+}
+
 #if IS_ENABLED(CONFIG_USB_DWC3_HOST) || IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE)
 int dwc3_host_init(struct dwc3 *dwc);
 void dwc3_host_exit(struct dwc3 *dwc);
diff --git a/drivers/usb/dwc3/debug.h b/drivers/usb/dwc3/debug.h
index 09d703852a92..6e1cdcdce7cc 100644
--- a/drivers/usb/dwc3/debug.h
+++ b/drivers/usb/dwc3/debug.h
@@ -14,6 +14,24 @@
 #include "core.h"
 
 /**
+ * dwc3_mode_string - returns mode name
+ * @mode: GCTL.PrtCapDir value
+ */
+static inline const char *dwc3_mode_string(u32 mode)
+{
+	switch (mode) {
+	case DWC3_GCTL_PRTCAP_HOST:
+		return "host";
+	case DWC3_GCTL_PRTCAP_DEVICE:
+		return "device";
+	case DWC3_GCTL_PRTCAP_OTG:
+		return "otg";
+	default:
+		return "UNKNOWN";
+	}
+}
+
+/**
  * dwc3_gadget_ep_cmd_string - returns endpoint command string
  * @cmd: command code
  */
diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c
index ebf03468fac4..d18bf5e32cc8 100644
--- a/drivers/usb/dwc3/debugfs.c
+++ b/drivers/usb/dwc3/debugfs.c
@@ -402,6 +402,7 @@ static int dwc3_mode_show(struct seq_file *s, void *unused)
 	struct dwc3		*dwc = s->private;
 	unsigned long		flags;
 	u32			reg;
+	u32			mode;
 	int			ret;
 
 	ret = pm_runtime_resume_and_get(dwc->dev);
@@ -412,18 +413,15 @@ static int dwc3_mode_show(struct seq_file *s, void *unused)
 	reg = dwc3_readl(dwc->regs, DWC3_GCTL);
 	spin_unlock_irqrestore(&dwc->lock, flags);
 
-	switch (DWC3_GCTL_PRTCAP(reg)) {
+	mode = DWC3_GCTL_PRTCAP(reg);
+	switch (mode) {
 	case DWC3_GCTL_PRTCAP_HOST:
-		seq_puts(s, "host\n");
-		break;
 	case DWC3_GCTL_PRTCAP_DEVICE:
-		seq_puts(s, "device\n");
-		break;
 	case DWC3_GCTL_PRTCAP_OTG:
-		seq_puts(s, "otg\n");
+		seq_printf(s, "%s\n", dwc3_mode_string(mode));
 		break;
 	default:
-		seq_printf(s, "UNKNOWN %08x\n", DWC3_GCTL_PRTCAP(reg));
+		seq_printf(s, "UNKNOWN %08x\n", mode);
 	}
 
 	pm_runtime_put_sync(dwc->dev);
diff --git a/drivers/usb/dwc3/drd.c b/drivers/usb/dwc3/drd.c
index 7977860932b1..4c91240eb429 100644
--- a/drivers/usb/dwc3/drd.c
+++ b/drivers/usb/dwc3/drd.c
@@ -464,6 +464,7 @@ static int dwc3_usb_role_switch_set(struct usb_role_switch *sw,
 		break;
 	}
 
+	dwc3_pre_set_role(dwc, role);
 	dwc3_set_mode(dwc, mode);
 	return 0;
 }
diff --git a/drivers/usb/dwc3/dwc3-generic-plat.c b/drivers/usb/dwc3/dwc3-generic-plat.c
new file mode 100644
index 000000000000..f8ad79c08c4e
--- /dev/null
+++ b/drivers/usb/dwc3/dwc3-generic-plat.c
@@ -0,0 +1,163 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * dwc3-generic-plat.c - DesignWare USB3 generic platform driver
+ *
+ * Copyright (C) 2025 Ze Huang <huang.ze@linux.dev>
+ *
+ * Inspired by dwc3-qcom.c and dwc3-of-simple.c
+ */
+
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+#include <linux/reset.h>
+#include "glue.h"
+
+struct dwc3_generic {
+	struct device		*dev;
+	struct dwc3		dwc;
+	struct clk_bulk_data	*clks;
+	int			num_clocks;
+	struct reset_control	*resets;
+};
+
+#define to_dwc3_generic(d) container_of((d), struct dwc3_generic, dwc)
+
+static void dwc3_generic_reset_control_assert(void *data)
+{
+	reset_control_assert(data);
+}
+
+static int dwc3_generic_probe(struct platform_device *pdev)
+{
+	struct dwc3_probe_data probe_data = {};
+	struct device *dev = &pdev->dev;
+	struct dwc3_generic *dwc3g;
+	struct resource *res;
+	int ret;
+
+	dwc3g = devm_kzalloc(dev, sizeof(*dwc3g), GFP_KERNEL);
+	if (!dwc3g)
+		return -ENOMEM;
+
+	dwc3g->dev = dev;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(&pdev->dev, "missing memory resource\n");
+		return -ENODEV;
+	}
+
+	dwc3g->resets = devm_reset_control_array_get_optional_exclusive(dev);
+	if (IS_ERR(dwc3g->resets))
+		return dev_err_probe(dev, PTR_ERR(dwc3g->resets), "failed to get resets\n");
+
+	ret = reset_control_assert(dwc3g->resets);
+	if (ret)
+		return dev_err_probe(dev, ret, "failed to assert resets\n");
+
+	/* Not strict timing, just for safety */
+	udelay(2);
+
+	ret = reset_control_deassert(dwc3g->resets);
+	if (ret)
+		return dev_err_probe(dev, ret, "failed to deassert resets\n");
+
+	ret = devm_add_action_or_reset(dev, dwc3_generic_reset_control_assert, dwc3g->resets);
+	if (ret)
+		return ret;
+
+	ret = devm_clk_bulk_get_all_enabled(dwc3g->dev, &dwc3g->clks);
+	if (ret < 0)
+		return dev_err_probe(dev, ret, "failed to get clocks\n");
+
+	dwc3g->num_clocks = ret;
+	dwc3g->dwc.dev = dev;
+	probe_data.dwc = &dwc3g->dwc;
+	probe_data.res = res;
+	probe_data.ignore_clocks_and_resets = true;
+	ret = dwc3_core_probe(&probe_data);
+	if (ret)
+		return dev_err_probe(dev, ret, "failed to register DWC3 Core\n");
+
+	return 0;
+}
+
+static void dwc3_generic_remove(struct platform_device *pdev)
+{
+	struct dwc3 *dwc = platform_get_drvdata(pdev);
+
+	dwc3_core_remove(dwc);
+}
+
+static int dwc3_generic_suspend(struct device *dev)
+{
+	struct dwc3 *dwc = dev_get_drvdata(dev);
+	struct dwc3_generic *dwc3g = to_dwc3_generic(dwc);
+	int ret;
+
+	ret = dwc3_pm_suspend(dwc);
+	if (ret)
+		return ret;
+
+	clk_bulk_disable_unprepare(dwc3g->num_clocks, dwc3g->clks);
+
+	return 0;
+}
+
+static int dwc3_generic_resume(struct device *dev)
+{
+	struct dwc3 *dwc = dev_get_drvdata(dev);
+	struct dwc3_generic *dwc3g = to_dwc3_generic(dwc);
+	int ret;
+
+	ret = clk_bulk_prepare_enable(dwc3g->num_clocks, dwc3g->clks);
+	if (ret)
+		return ret;
+
+	ret = dwc3_pm_resume(dwc);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static int dwc3_generic_runtime_suspend(struct device *dev)
+{
+	return dwc3_runtime_suspend(dev_get_drvdata(dev));
+}
+
+static int dwc3_generic_runtime_resume(struct device *dev)
+{
+	return dwc3_runtime_resume(dev_get_drvdata(dev));
+}
+
+static int dwc3_generic_runtime_idle(struct device *dev)
+{
+	return dwc3_runtime_idle(dev_get_drvdata(dev));
+}
+
+static const struct dev_pm_ops dwc3_generic_dev_pm_ops = {
+	SYSTEM_SLEEP_PM_OPS(dwc3_generic_suspend, dwc3_generic_resume)
+	RUNTIME_PM_OPS(dwc3_generic_runtime_suspend, dwc3_generic_runtime_resume,
+		       dwc3_generic_runtime_idle)
+};
+
+static const struct of_device_id dwc3_generic_of_match[] = {
+	{ .compatible = "spacemit,k1-dwc3", },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, dwc3_generic_of_match);
+
+static struct platform_driver dwc3_generic_driver = {
+	.probe		= dwc3_generic_probe,
+	.remove		= dwc3_generic_remove,
+	.driver		= {
+		.name	= "dwc3-generic-plat",
+		.of_match_table = dwc3_generic_of_match,
+		.pm	= pm_ptr(&dwc3_generic_dev_pm_ops),
+	},
+};
+module_platform_driver(dwc3_generic_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("DesignWare USB3 generic platform driver");
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 54a4ee2b90b7..8f5faf632a8b 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -21,39 +21,41 @@
 #include <linux/acpi.h>
 #include <linux/delay.h>
 
+#define PCI_DEVICE_ID_INTEL_CMLLP		0x02ee
+#define PCI_DEVICE_ID_INTEL_CMLH		0x06ee
+#define PCI_DEVICE_ID_INTEL_BXT			0x0aaa
 #define PCI_DEVICE_ID_INTEL_BYT			0x0f37
 #define PCI_DEVICE_ID_INTEL_MRFLD		0x119e
-#define PCI_DEVICE_ID_INTEL_BSW			0x22b7
-#define PCI_DEVICE_ID_INTEL_SPTLP		0x9d30
-#define PCI_DEVICE_ID_INTEL_SPTH		0xa130
-#define PCI_DEVICE_ID_INTEL_BXT			0x0aaa
 #define PCI_DEVICE_ID_INTEL_BXT_M		0x1aaa
-#define PCI_DEVICE_ID_INTEL_APL			0x5aaa
-#define PCI_DEVICE_ID_INTEL_KBP			0xa2b0
-#define PCI_DEVICE_ID_INTEL_CMLLP		0x02ee
-#define PCI_DEVICE_ID_INTEL_CMLH		0x06ee
+#define PCI_DEVICE_ID_INTEL_BSW			0x22b7
 #define PCI_DEVICE_ID_INTEL_GLK			0x31aa
-#define PCI_DEVICE_ID_INTEL_CNPLP		0x9dee
-#define PCI_DEVICE_ID_INTEL_CNPH		0xa36e
-#define PCI_DEVICE_ID_INTEL_CNPV		0xa3b0
 #define PCI_DEVICE_ID_INTEL_ICLLP		0x34ee
-#define PCI_DEVICE_ID_INTEL_EHL			0x4b7e
-#define PCI_DEVICE_ID_INTEL_TGPLP		0xa0ee
 #define PCI_DEVICE_ID_INTEL_TGPH		0x43ee
-#define PCI_DEVICE_ID_INTEL_JSP			0x4dee
 #define PCI_DEVICE_ID_INTEL_ADL			0x460e
-#define PCI_DEVICE_ID_INTEL_ADL_PCH		0x51ee
 #define PCI_DEVICE_ID_INTEL_ADLN		0x465e
+#define PCI_DEVICE_ID_INTEL_EHL			0x4b7e
+#define PCI_DEVICE_ID_INTEL_WCL			0x4d7e
+#define PCI_DEVICE_ID_INTEL_JSP			0x4dee
+#define PCI_DEVICE_ID_INTEL_ADL_PCH		0x51ee
 #define PCI_DEVICE_ID_INTEL_ADLN_PCH		0x54ee
-#define PCI_DEVICE_ID_INTEL_ADLS		0x7ae1
-#define PCI_DEVICE_ID_INTEL_RPL			0xa70e
+#define PCI_DEVICE_ID_INTEL_APL			0x5aaa
+#define PCI_DEVICE_ID_INTEL_NVLS_PCH		0x6e6f
+#define PCI_DEVICE_ID_INTEL_ARLH_PCH		0x777e
 #define PCI_DEVICE_ID_INTEL_RPLS		0x7a61
+#define PCI_DEVICE_ID_INTEL_MTL			0x7e7e
+#define PCI_DEVICE_ID_INTEL_ADLS		0x7ae1
 #define PCI_DEVICE_ID_INTEL_MTLM		0x7eb1
 #define PCI_DEVICE_ID_INTEL_MTLP		0x7ec1
 #define PCI_DEVICE_ID_INTEL_MTLS		0x7f6f
-#define PCI_DEVICE_ID_INTEL_MTL			0x7e7e
-#define PCI_DEVICE_ID_INTEL_ARLH_PCH		0x777e
 #define PCI_DEVICE_ID_INTEL_TGL			0x9a15
+#define PCI_DEVICE_ID_INTEL_SPTLP		0x9d30
+#define PCI_DEVICE_ID_INTEL_CNPLP		0x9dee
+#define PCI_DEVICE_ID_INTEL_TGPLP		0xa0ee
+#define PCI_DEVICE_ID_INTEL_SPTH		0xa130
+#define PCI_DEVICE_ID_INTEL_KBP			0xa2b0
+#define PCI_DEVICE_ID_INTEL_CNPH		0xa36e
+#define PCI_DEVICE_ID_INTEL_CNPV		0xa3b0
+#define PCI_DEVICE_ID_INTEL_RPL			0xa70e
 #define PCI_DEVICE_ID_INTEL_PTLH		0xe332
 #define PCI_DEVICE_ID_INTEL_PTLH_PCH		0xe37e
 #define PCI_DEVICE_ID_INTEL_PTLU		0xe432
@@ -411,39 +413,41 @@ static void dwc3_pci_remove(struct pci_dev *pci)
 }
 
 static const struct pci_device_id dwc3_pci_id_table[] = {
-	{ PCI_DEVICE_DATA(INTEL, BSW, &dwc3_pci_intel_swnode) },
-	{ PCI_DEVICE_DATA(INTEL, BYT, &dwc3_pci_intel_byt_swnode) },
-	{ PCI_DEVICE_DATA(INTEL, MRFLD, &dwc3_pci_intel_mrfld_swnode) },
 	{ PCI_DEVICE_DATA(INTEL, CMLLP, &dwc3_pci_intel_swnode) },
 	{ PCI_DEVICE_DATA(INTEL, CMLH, &dwc3_pci_intel_swnode) },
-	{ PCI_DEVICE_DATA(INTEL, SPTLP, &dwc3_pci_intel_swnode) },
-	{ PCI_DEVICE_DATA(INTEL, SPTH, &dwc3_pci_intel_swnode) },
 	{ PCI_DEVICE_DATA(INTEL, BXT, &dwc3_pci_intel_swnode) },
+	{ PCI_DEVICE_DATA(INTEL, BYT, &dwc3_pci_intel_byt_swnode) },
+	{ PCI_DEVICE_DATA(INTEL, MRFLD, &dwc3_pci_intel_mrfld_swnode) },
 	{ PCI_DEVICE_DATA(INTEL, BXT_M, &dwc3_pci_intel_swnode) },
-	{ PCI_DEVICE_DATA(INTEL, APL, &dwc3_pci_intel_swnode) },
-	{ PCI_DEVICE_DATA(INTEL, KBP, &dwc3_pci_intel_swnode) },
+	{ PCI_DEVICE_DATA(INTEL, BSW, &dwc3_pci_intel_swnode) },
 	{ PCI_DEVICE_DATA(INTEL, GLK, &dwc3_pci_intel_swnode) },
-	{ PCI_DEVICE_DATA(INTEL, CNPLP, &dwc3_pci_intel_swnode) },
-	{ PCI_DEVICE_DATA(INTEL, CNPH, &dwc3_pci_intel_swnode) },
-	{ PCI_DEVICE_DATA(INTEL, CNPV, &dwc3_pci_intel_swnode) },
 	{ PCI_DEVICE_DATA(INTEL, ICLLP, &dwc3_pci_intel_swnode) },
-	{ PCI_DEVICE_DATA(INTEL, EHL, &dwc3_pci_intel_swnode) },
-	{ PCI_DEVICE_DATA(INTEL, TGPLP, &dwc3_pci_intel_swnode) },
 	{ PCI_DEVICE_DATA(INTEL, TGPH, &dwc3_pci_intel_swnode) },
-	{ PCI_DEVICE_DATA(INTEL, JSP, &dwc3_pci_intel_swnode) },
 	{ PCI_DEVICE_DATA(INTEL, ADL, &dwc3_pci_intel_swnode) },
-	{ PCI_DEVICE_DATA(INTEL, ADL_PCH, &dwc3_pci_intel_swnode) },
 	{ PCI_DEVICE_DATA(INTEL, ADLN, &dwc3_pci_intel_swnode) },
+	{ PCI_DEVICE_DATA(INTEL, EHL, &dwc3_pci_intel_swnode) },
+	{ PCI_DEVICE_DATA(INTEL, WCL, &dwc3_pci_intel_swnode) },
+	{ PCI_DEVICE_DATA(INTEL, JSP, &dwc3_pci_intel_swnode) },
+	{ PCI_DEVICE_DATA(INTEL, ADL_PCH, &dwc3_pci_intel_swnode) },
 	{ PCI_DEVICE_DATA(INTEL, ADLN_PCH, &dwc3_pci_intel_swnode) },
-	{ PCI_DEVICE_DATA(INTEL, ADLS, &dwc3_pci_intel_swnode) },
-	{ PCI_DEVICE_DATA(INTEL, RPL, &dwc3_pci_intel_swnode) },
+	{ PCI_DEVICE_DATA(INTEL, APL, &dwc3_pci_intel_swnode) },
+	{ PCI_DEVICE_DATA(INTEL, NVLS_PCH, &dwc3_pci_intel_swnode) },
+	{ PCI_DEVICE_DATA(INTEL, ARLH_PCH, &dwc3_pci_intel_swnode) },
 	{ PCI_DEVICE_DATA(INTEL, RPLS, &dwc3_pci_intel_swnode) },
+	{ PCI_DEVICE_DATA(INTEL, MTL, &dwc3_pci_intel_swnode) },
+	{ PCI_DEVICE_DATA(INTEL, ADLS, &dwc3_pci_intel_swnode) },
 	{ PCI_DEVICE_DATA(INTEL, MTLM, &dwc3_pci_intel_swnode) },
 	{ PCI_DEVICE_DATA(INTEL, MTLP, &dwc3_pci_intel_swnode) },
-	{ PCI_DEVICE_DATA(INTEL, MTL, &dwc3_pci_intel_swnode) },
 	{ PCI_DEVICE_DATA(INTEL, MTLS, &dwc3_pci_intel_swnode) },
-	{ PCI_DEVICE_DATA(INTEL, ARLH_PCH, &dwc3_pci_intel_swnode) },
 	{ PCI_DEVICE_DATA(INTEL, TGL, &dwc3_pci_intel_swnode) },
+	{ PCI_DEVICE_DATA(INTEL, SPTLP, &dwc3_pci_intel_swnode) },
+	{ PCI_DEVICE_DATA(INTEL, CNPLP, &dwc3_pci_intel_swnode) },
+	{ PCI_DEVICE_DATA(INTEL, TGPLP, &dwc3_pci_intel_swnode) },
+	{ PCI_DEVICE_DATA(INTEL, SPTH, &dwc3_pci_intel_swnode) },
+	{ PCI_DEVICE_DATA(INTEL, KBP, &dwc3_pci_intel_swnode) },
+	{ PCI_DEVICE_DATA(INTEL, CNPH, &dwc3_pci_intel_swnode) },
+	{ PCI_DEVICE_DATA(INTEL, CNPV, &dwc3_pci_intel_swnode) },
+	{ PCI_DEVICE_DATA(INTEL, RPL, &dwc3_pci_intel_swnode) },
 	{ PCI_DEVICE_DATA(INTEL, PTLH, &dwc3_pci_intel_swnode) },
 	{ PCI_DEVICE_DATA(INTEL, PTLH_PCH, &dwc3_pci_intel_swnode) },
 	{ PCI_DEVICE_DATA(INTEL, PTLU, &dwc3_pci_intel_swnode) },
diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
index ca7e1c02773a..ded2ca86670c 100644
--- a/drivers/usb/dwc3/dwc3-qcom.c
+++ b/drivers/usb/dwc3/dwc3-qcom.c
@@ -11,7 +11,6 @@
 #include <linux/of_clk.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
-#include <linux/extcon.h>
 #include <linux/interconnect.h>
 #include <linux/platform_device.h>
 #include <linux/phy/phy.h>
@@ -79,16 +78,13 @@ struct dwc3_qcom {
 	struct dwc3_qcom_port	ports[DWC3_QCOM_MAX_PORTS];
 	u8			num_ports;
 
-	struct extcon_dev	*edev;
-	struct extcon_dev	*host_edev;
-	struct notifier_block	vbus_nb;
-	struct notifier_block	host_nb;
-
 	enum usb_dr_mode	mode;
 	bool			is_suspended;
 	bool			pm_suspended;
 	struct icc_path		*icc_path_ddr;
 	struct icc_path		*icc_path_apps;
+
+	enum usb_role		current_role;
 };
 
 #define to_dwc3_qcom(d) container_of((d), struct dwc3_qcom, dwc)
@@ -117,11 +113,6 @@ static inline void dwc3_qcom_clrbits(void __iomem *base, u32 offset, u32 val)
 	readl(base + offset);
 }
 
-/*
- * TODO: Make the in-core role switching code invoke dwc3_qcom_vbus_override_enable(),
- * validate that the in-core extcon support is functional, and drop extcon
- * handling from the glue
- */
 static void dwc3_qcom_vbus_override_enable(struct dwc3_qcom *qcom, bool enable)
 {
 	if (enable) {
@@ -137,80 +128,6 @@ static void dwc3_qcom_vbus_override_enable(struct dwc3_qcom *qcom, bool enable)
 	}
 }
 
-static int dwc3_qcom_vbus_notifier(struct notifier_block *nb,
-				   unsigned long event, void *ptr)
-{
-	struct dwc3_qcom *qcom = container_of(nb, struct dwc3_qcom, vbus_nb);
-
-	/* enable vbus override for device mode */
-	dwc3_qcom_vbus_override_enable(qcom, event);
-	qcom->mode = event ? USB_DR_MODE_PERIPHERAL : USB_DR_MODE_HOST;
-
-	return NOTIFY_DONE;
-}
-
-static int dwc3_qcom_host_notifier(struct notifier_block *nb,
-				   unsigned long event, void *ptr)
-{
-	struct dwc3_qcom *qcom = container_of(nb, struct dwc3_qcom, host_nb);
-
-	/* disable vbus override in host mode */
-	dwc3_qcom_vbus_override_enable(qcom, !event);
-	qcom->mode = event ? USB_DR_MODE_HOST : USB_DR_MODE_PERIPHERAL;
-
-	return NOTIFY_DONE;
-}
-
-static int dwc3_qcom_register_extcon(struct dwc3_qcom *qcom)
-{
-	struct device		*dev = qcom->dev;
-	struct extcon_dev	*host_edev;
-	int			ret;
-
-	if (!of_property_present(dev->of_node, "extcon"))
-		return 0;
-
-	qcom->edev = extcon_get_edev_by_phandle(dev, 0);
-	if (IS_ERR(qcom->edev))
-		return dev_err_probe(dev, PTR_ERR(qcom->edev),
-				     "Failed to get extcon\n");
-
-	qcom->vbus_nb.notifier_call = dwc3_qcom_vbus_notifier;
-
-	qcom->host_edev = extcon_get_edev_by_phandle(dev, 1);
-	if (IS_ERR(qcom->host_edev))
-		qcom->host_edev = NULL;
-
-	ret = devm_extcon_register_notifier(dev, qcom->edev, EXTCON_USB,
-					    &qcom->vbus_nb);
-	if (ret < 0) {
-		dev_err(dev, "VBUS notifier register failed\n");
-		return ret;
-	}
-
-	if (qcom->host_edev)
-		host_edev = qcom->host_edev;
-	else
-		host_edev = qcom->edev;
-
-	qcom->host_nb.notifier_call = dwc3_qcom_host_notifier;
-	ret = devm_extcon_register_notifier(dev, host_edev, EXTCON_USB_HOST,
-					    &qcom->host_nb);
-	if (ret < 0) {
-		dev_err(dev, "Host notifier register failed\n");
-		return ret;
-	}
-
-	/* Update initial VBUS override based on extcon state */
-	if (extcon_get_state(qcom->edev, EXTCON_USB) ||
-	    !extcon_get_state(host_edev, EXTCON_USB_HOST))
-		dwc3_qcom_vbus_notifier(&qcom->vbus_nb, true, qcom->edev);
-	else
-		dwc3_qcom_vbus_notifier(&qcom->vbus_nb, false, qcom->edev);
-
-	return 0;
-}
-
 static int dwc3_qcom_interconnect_enable(struct dwc3_qcom *qcom)
 {
 	int ret;
@@ -641,6 +558,55 @@ static int dwc3_qcom_setup_irq(struct dwc3_qcom *qcom, struct platform_device *p
 	return 0;
 }
 
+static void dwc3_qcom_set_role_notifier(struct dwc3 *dwc, enum usb_role next_role)
+{
+	struct dwc3_qcom *qcom = to_dwc3_qcom(dwc);
+
+	if (qcom->current_role == next_role)
+		return;
+
+	if (pm_runtime_resume_and_get(qcom->dev)) {
+		dev_dbg(qcom->dev, "Failed to resume device\n");
+		return;
+	}
+
+	if (qcom->current_role == USB_ROLE_DEVICE)
+		dwc3_qcom_vbus_override_enable(qcom, false);
+	else if (qcom->current_role != USB_ROLE_DEVICE)
+		dwc3_qcom_vbus_override_enable(qcom, true);
+
+	pm_runtime_mark_last_busy(qcom->dev);
+	pm_runtime_put_sync(qcom->dev);
+
+	/*
+	 * Current role changes via usb_role_switch_set_role callback protected
+	 * internally by mutex lock.
+	 */
+	qcom->current_role = next_role;
+}
+
+static void dwc3_qcom_run_stop_notifier(struct dwc3 *dwc, bool is_on)
+{
+	struct dwc3_qcom *qcom = to_dwc3_qcom(dwc);
+
+	/*
+	 * When autosuspend is enabled and controller goes to suspend
+	 * after removing UDC from userspace, the next UDC write needs
+	 * setting of QSCRATCH VBUS_VALID to "1" to generate a connect
+	 * done event.
+	 */
+	if (!is_on)
+		return;
+
+	dwc3_qcom_vbus_override_enable(qcom, true);
+	pm_runtime_mark_last_busy(qcom->dev);
+}
+
+struct dwc3_glue_ops dwc3_qcom_glue_ops = {
+	.pre_set_role	= dwc3_qcom_set_role_notifier,
+	.pre_run_stop	= dwc3_qcom_run_stop_notifier,
+};
+
 static int dwc3_qcom_probe(struct platform_device *pdev)
 {
 	struct dwc3_probe_data	probe_data = {};
@@ -717,6 +683,23 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
 	if (ignore_pipe_clk)
 		dwc3_qcom_select_utmi_clk(qcom);
 
+	qcom->mode = usb_get_dr_mode(dev);
+
+	if (qcom->mode == USB_DR_MODE_HOST) {
+		qcom->current_role = USB_ROLE_HOST;
+	} else if (qcom->mode == USB_DR_MODE_PERIPHERAL) {
+		qcom->current_role = USB_ROLE_DEVICE;
+		dwc3_qcom_vbus_override_enable(qcom, true);
+	} else {
+		if ((device_property_read_bool(dev, "usb-role-switch")) &&
+		    (usb_get_role_switch_default_mode(dev) == USB_DR_MODE_HOST))
+			qcom->current_role = USB_ROLE_HOST;
+		else
+			qcom->current_role = USB_ROLE_DEVICE;
+	}
+
+	qcom->dwc.glue_ops = &dwc3_qcom_glue_ops;
+
 	qcom->dwc.dev = dev;
 	probe_data.dwc = &qcom->dwc;
 	probe_data.res = &res;
@@ -731,17 +714,6 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
 	if (ret)
 		goto remove_core;
 
-	qcom->mode = usb_get_dr_mode(dev);
-
-	/* enable vbus override for device mode */
-	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 interconnect_exit;
-
 	wakeup_source = of_property_read_bool(dev->of_node, "wakeup-source");
 	device_init_wakeup(&pdev->dev, wakeup_source);
 
@@ -749,8 +721,6 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
 
 	return 0;
 
-interconnect_exit:
-	dwc3_qcom_interconnect_exit(qcom);
 remove_core:
 	dwc3_core_remove(&qcom->dwc);
 clk_disable:
@@ -764,11 +734,14 @@ static void dwc3_qcom_remove(struct platform_device *pdev)
 	struct dwc3 *dwc = platform_get_drvdata(pdev);
 	struct dwc3_qcom *qcom = to_dwc3_qcom(dwc);
 
-	dwc3_core_remove(&qcom->dwc);
+	if (pm_runtime_resume_and_get(qcom->dev) < 0)
+		return;
 
+	dwc3_core_remove(&qcom->dwc);
 	clk_bulk_disable_unprepare(qcom->num_clocks, qcom->clks);
-
 	dwc3_qcom_interconnect_exit(qcom);
+
+	pm_runtime_put_noidle(qcom->dev);
 }
 
 static int dwc3_qcom_pm_suspend(struct device *dev)
@@ -873,6 +846,7 @@ MODULE_DEVICE_TABLE(of, dwc3_qcom_of_match);
 static struct platform_driver dwc3_qcom_driver = {
 	.probe		= dwc3_qcom_probe,
 	.remove		= dwc3_qcom_remove,
+	.shutdown	= dwc3_qcom_remove,
 	.driver		= {
 		.name	= "dwc3-qcom",
 		.pm	= pm_ptr(&dwc3_qcom_dev_pm_ops),
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 666ac432f52d..e0bad5708664 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -94,6 +94,7 @@ static int __dwc3_gadget_ep0_queue(struct dwc3_ep *dep,
 	req->request.actual	= 0;
 	req->request.status	= -EINPROGRESS;
 	req->epnum		= dep->number;
+	req->status		= DWC3_REQUEST_STATUS_QUEUED;
 
 	list_add_tail(&req->list, &dep->pending_list);
 
@@ -288,7 +289,9 @@ void dwc3_ep0_out_start(struct dwc3 *dwc)
 	dwc3_ep0_prepare_one_trb(dep, dwc->ep0_trb_addr, 8,
 			DWC3_TRBCTL_CONTROL_SETUP, false);
 	ret = dwc3_ep0_start_trans(dep);
-	WARN_ON(ret < 0);
+	if (ret < 0)
+		dev_err(dwc->dev, "ep0 out start transfer failed: %d\n", ret);
+
 	for (i = 2; i < DWC3_ENDPOINTS_NUM; i++) {
 		struct dwc3_ep *dwc3_ep;
 
@@ -1061,7 +1064,9 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc,
 		ret = dwc3_ep0_start_trans(dep);
 	}
 
-	WARN_ON(ret < 0);
+	if (ret < 0)
+		dev_err(dwc->dev,
+			"ep0 data phase start transfer failed: %d\n", ret);
 }
 
 static int dwc3_ep0_start_control_status(struct dwc3_ep *dep)
@@ -1078,7 +1083,12 @@ static int dwc3_ep0_start_control_status(struct dwc3_ep *dep)
 
 static void __dwc3_ep0_do_control_status(struct dwc3 *dwc, struct dwc3_ep *dep)
 {
-	WARN_ON(dwc3_ep0_start_control_status(dep));
+	int	ret;
+
+	ret = dwc3_ep0_start_control_status(dep);
+	if (ret)
+		dev_err(dwc->dev,
+			"ep0 status phase start transfer failed: %d\n", ret);
 }
 
 static void dwc3_ep0_do_control_status(struct dwc3 *dwc,
@@ -1121,7 +1131,10 @@ void dwc3_ep0_end_control_data(struct dwc3 *dwc, struct dwc3_ep *dep)
 	cmd |= DWC3_DEPCMD_PARAM(dep->resource_index);
 	memset(&params, 0, sizeof(params));
 	ret = dwc3_send_gadget_ep_cmd(dep, cmd, &params);
-	WARN_ON_ONCE(ret);
+	if (ret)
+		dev_err_ratelimited(dwc->dev,
+			"ep0 data phase end transfer failed: %d\n", ret);
+
 	dep->resource_index = 0;
 }
 
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 25db36c63951..5e4997f974dd 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -228,6 +228,13 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req,
 {
 	struct dwc3			*dwc = dep->dwc;
 
+	/*
+	 * The request might have been processed and completed while the
+	 * spinlock was released. Skip processing if already completed.
+	 */
+	if (req->status == DWC3_REQUEST_STATUS_COMPLETED)
+		return;
+
 	dwc3_gadget_del_and_unmap_request(dep, req, status);
 	req->status = DWC3_REQUEST_STATUS_COMPLETED;
 
@@ -1772,7 +1779,11 @@ static int __dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, bool int
 		dep->flags |= DWC3_EP_DELAY_STOP;
 		return 0;
 	}
-	WARN_ON_ONCE(ret);
+
+	if (ret)
+		dev_err_ratelimited(dep->dwc->dev,
+				"end transfer failed: %d\n", ret);
+
 	dep->resource_index = 0;
 
 	if (!interrupt)
@@ -2658,6 +2669,7 @@ static int dwc3_gadget_run_stop(struct dwc3 *dwc, int is_on)
 		dwc->pullups_connected = false;
 	}
 
+	dwc3_pre_run_stop(dwc, is_on);
 	dwc3_gadget_dctl_write_safe(dwc, reg);
 
 	do {
@@ -3777,6 +3789,15 @@ static void dwc3_gadget_endpoint_transfer_complete(struct dwc3_ep *dep,
 static void dwc3_gadget_endpoint_transfer_not_ready(struct dwc3_ep *dep,
 		const struct dwc3_event_depevt *event)
 {
+	/*
+	 * During a device-initiated disconnect, a late xferNotReady event can
+	 * be generated after the End Transfer command resets the event filter,
+	 * but before the controller is halted. Ignore it to prevent a new
+	 * transfer from starting.
+	 */
+	if (!dep->dwc->connected)
+		return;
+
 	dwc3_gadget_endpoint_frame_from_event(dep, event);
 
 	/*
@@ -4039,7 +4060,9 @@ static void dwc3_clear_stall_all_ep(struct dwc3 *dwc)
 		dep->flags &= ~DWC3_EP_STALL;
 
 		ret = dwc3_send_clear_stall_ep_cmd(dep);
-		WARN_ON_ONCE(ret);
+		if (ret)
+			dev_err_ratelimited(dwc->dev,
+				"failed to clear STALL on %s\n", dep->name);
 	}
 }
 
diff --git a/drivers/usb/dwc3/trace.h b/drivers/usb/dwc3/trace.h
index bdeb1aaf65d8..b6ba984bafcd 100644
--- a/drivers/usb/dwc3/trace.h
+++ b/drivers/usb/dwc3/trace.h
@@ -19,6 +19,23 @@
 #include "core.h"
 #include "debug.h"
 
+DECLARE_EVENT_CLASS(dwc3_log_set_prtcap,
+	TP_PROTO(u32 mode),
+	TP_ARGS(mode),
+	TP_STRUCT__entry(
+		__field(u32, mode)
+	),
+	TP_fast_assign(
+		__entry->mode = mode;
+	),
+	TP_printk("mode %s", dwc3_mode_string(__entry->mode))
+);
+
+DEFINE_EVENT(dwc3_log_set_prtcap, dwc3_set_prtcap,
+	TP_PROTO(u32 mode),
+	TP_ARGS(mode)
+);
+
 DECLARE_EVENT_CLASS(dwc3_log_io,
 	TP_PROTO(void *base, u32 offset, u32 value),
 	TP_ARGS(base, offset, value),