diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu
index 3a05604..82d10d5 100644
--- a/Documentation/ABI/testing/sysfs-devices-system-cpu
+++ b/Documentation/ABI/testing/sysfs-devices-system-cpu
@@ -327,6 +327,24 @@
 
 		This file is only present if the cppc-cpufreq driver is in use.
 
+What:		/sys/devices/system/cpu/cpuX/cpufreq/perf_limited
+Date:		February 2026
+Contact:	linux-pm@vger.kernel.org
+Description:	Performance Limited
+
+		Read to check if platform throttling (thermal/power/current
+		limits) caused delivered performance to fall below the
+		requested level. A non-zero value indicates throttling occurred.
+
+		Write the bitmask of bits to clear:
+
+		  - 0x1 = clear bit 0 (desired performance excursion)
+		  - 0x2 = clear bit 1 (minimum performance excursion)
+		  - 0x3 = clear both bits
+
+		The platform sets these bits; OSPM can only clear them.
+
+		This file is only present if the cppc-cpufreq driver is in use.
 
 What:		/sys/devices/system/cpu/cpu*/cache/index3/cache_disable_{0,1}
 Date:		August 2008
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 03a5506..c17ad45 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -190,6 +190,14 @@
 			unusable.  The "log_buf_len" parameter may be useful
 			if you need to capture more output.
 
+	acpi.poweroff_on_fatal=	[ACPI]
+			{0 | 1}
+			Causes the system to poweroff when the ACPI bytecode signals
+			a fatal error. The default value of this setting is 1.
+			Overriding this value should only be done for diagnosing
+			ACPI firmware problems, as the system might behave erratically
+			after having encountered a fatal ACPI error.
+
 	acpi_enforce_resources=	[ACPI]
 			{ strict | lax | no }
 			Check for resource conflicts between native drivers
diff --git a/arch/x86/kernel/rtc.c b/arch/x86/kernel/rtc.c
index 51a849a..314b062 100644
--- a/arch/x86/kernel/rtc.c
+++ b/arch/x86/kernel/rtc.c
@@ -2,10 +2,10 @@
 /*
  * RTC related functions
  */
+#include <linux/acpi.h>
 #include <linux/platform_device.h>
 #include <linux/mc146818rtc.h>
 #include <linux/export.h>
-#include <linux/pnp.h>
 
 #include <asm/vsyscall.h>
 #include <asm/x86_init.h>
@@ -133,25 +133,14 @@ static struct platform_device rtc_device = {
 
 static __init int add_rtc_cmos(void)
 {
-#ifdef CONFIG_PNP
-	static const char * const ids[] __initconst =
-	    { "PNP0b00", "PNP0b01", "PNP0b02", };
-	struct pnp_dev *dev;
-	int i;
+	if (cmos_rtc_platform_device_present)
+		return 0;
 
-	pnp_for_each_dev(dev) {
-		for (i = 0; i < ARRAY_SIZE(ids); i++) {
-			if (compare_pnp_id(dev->id, ids[i]) != 0)
-				return 0;
-		}
-	}
-#endif
 	if (!x86_platform.legacy.rtc)
 		return -ENODEV;
 
 	platform_device_register(&rtc_device);
-	dev_info(&rtc_device.dev,
-		 "registered platform RTC device (no PNP device found)\n");
+	dev_info(&rtc_device.dev, "registered fallback platform RTC device\n");
 
 	return 0;
 }
diff --git a/arch/x86/power/hibernate_64.c b/arch/x86/power/hibernate_64.c
index a595953f..e72d26a 100644
--- a/arch/x86/power/hibernate_64.c
+++ b/arch/x86/power/hibernate_64.c
@@ -14,8 +14,6 @@
 #include <linux/kdebug.h>
 #include <linux/pgtable.h>
 
-#include <crypto/hash.h>
-
 #include <asm/e820/api.h>
 #include <asm/init.h>
 #include <asm/proto.h>
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index c5d77c3..e9e970f 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -21,8 +21,6 @@
 #include <linux/acpi.h>
 #include <acpi/battery.h>
 
-#define ACPI_AC_CLASS			"ac_adapter"
-#define ACPI_AC_DEVICE_NAME		"AC Adapter"
 #define ACPI_AC_FILE_STATE		"state"
 #define ACPI_AC_NOTIFY_STATUS		0x80
 #define ACPI_AC_STATUS_OFFLINE		0x00
@@ -33,22 +31,12 @@ MODULE_AUTHOR("Paul Diefenbaugh");
 MODULE_DESCRIPTION("ACPI AC Adapter Driver");
 MODULE_LICENSE("GPL");
 
-static int acpi_ac_probe(struct platform_device *pdev);
-static void acpi_ac_remove(struct platform_device *pdev);
-
-static void acpi_ac_notify(acpi_handle handle, u32 event, void *data);
-
 static const struct acpi_device_id ac_device_ids[] = {
 	{"ACPI0003", 0},
 	{"", 0},
 };
 MODULE_DEVICE_TABLE(acpi, ac_device_ids);
 
-#ifdef CONFIG_PM_SLEEP
-static int acpi_ac_resume(struct device *dev);
-#endif
-static SIMPLE_DEV_PM_OPS(acpi_ac_pm, NULL, acpi_ac_resume);
-
 static int ac_sleep_before_get_state_ms;
 static int ac_only;
 
@@ -141,10 +129,11 @@ static void acpi_ac_notify(acpi_handle handle, u32 event, void *data)
 			msleep(ac_sleep_before_get_state_ms);
 
 		acpi_ac_get_state(ac);
-		acpi_bus_generate_netlink_event(adev->pnp.device_class,
-						  dev_name(&adev->dev), event,
-						  (u32) ac->state);
-		acpi_notifier_call_chain(adev, event, (u32) ac->state);
+		acpi_bus_generate_netlink_event(ACPI_AC_CLASS,
+						dev_name(&adev->dev), event,
+						ac->state);
+		acpi_notifier_call_chain(ACPI_AC_CLASS, acpi_device_bid(adev),
+					 event, ac->state);
 		power_supply_changed(ac->charger);
 	}
 }
@@ -213,8 +202,6 @@ static int acpi_ac_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	ac->device = adev;
-	strscpy(acpi_device_name(adev), ACPI_AC_DEVICE_NAME);
-	strscpy(acpi_device_class(adev), ACPI_AC_CLASS);
 
 	platform_set_drvdata(pdev, ac);
 
@@ -236,8 +223,8 @@ static int acpi_ac_probe(struct platform_device *pdev)
 		goto err_release_ac;
 	}
 
-	pr_info("%s [%s] (%s-line)\n", acpi_device_name(adev),
-		acpi_device_bid(adev), str_on_off(ac->state));
+	pr_info("AC Adapter [%s] (%s-line)\n", acpi_device_bid(adev),
+		str_on_off(ac->state));
 
 	ac->battery_nb.notifier_call = acpi_ac_battery_notify;
 	register_acpi_notifier(&ac->battery_nb);
@@ -272,10 +259,10 @@ static int acpi_ac_resume(struct device *dev)
 
 	return 0;
 }
-#else
-#define acpi_ac_resume NULL
 #endif
 
+static SIMPLE_DEV_PM_OPS(acpi_ac_pm, NULL, acpi_ac_resume);
+
 static void acpi_ac_remove(struct platform_device *pdev)
 {
 	struct acpi_ac *ac = platform_get_drvdata(pdev);
diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index 02a472f..1d7dfe4 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -18,9 +18,7 @@
 
 #include "internal.h"
 
-#define ACPI_MEMORY_DEVICE_CLASS		"memory"
 #define ACPI_MEMORY_DEVICE_HID			"PNP0C80"
-#define ACPI_MEMORY_DEVICE_NAME			"Hotplug Mem Device"
 
 static const struct acpi_device_id memory_device_ids[] = {
 	{ACPI_MEMORY_DEVICE_HID, 0},
@@ -297,8 +295,6 @@ static int acpi_memory_device_add(struct acpi_device *device,
 	INIT_LIST_HEAD(&mem_device->res_list);
 	mem_device->device = device;
 	mem_device->mgid = -1;
-	sprintf(acpi_device_name(device), "%s", ACPI_MEMORY_DEVICE_NAME);
-	sprintf(acpi_device_class(device), "%s", ACPI_MEMORY_DEVICE_CLASS);
 	device->driver_data = mem_device;
 
 	/* Get the range from the _CRS */
diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
index c9a0bca..0a8e02b 100644
--- a/drivers/acpi/acpi_pad.c
+++ b/drivers/acpi/acpi_pad.c
@@ -23,8 +23,6 @@
 #include <asm/mwait.h>
 #include <xen/xen.h>
 
-#define ACPI_PROCESSOR_AGGREGATOR_CLASS	"acpi_pad"
-#define ACPI_PROCESSOR_AGGREGATOR_DEVICE_NAME "Processor Aggregator"
 #define ACPI_PROCESSOR_AGGREGATOR_NOTIFY 0x80
 
 #define ACPI_PROCESSOR_AGGREGATOR_STATUS_SUCCESS	0
@@ -407,16 +405,15 @@ static void acpi_pad_handle_notify(acpi_handle handle)
 	mutex_unlock(&isolated_cpus_lock);
 }
 
-static void acpi_pad_notify(acpi_handle handle, u32 event,
-	void *data)
+static void acpi_pad_notify(acpi_handle handle, u32 event, void *data)
 {
 	struct acpi_device *adev = data;
 
 	switch (event) {
 	case ACPI_PROCESSOR_AGGREGATOR_NOTIFY:
 		acpi_pad_handle_notify(handle);
-		acpi_bus_generate_netlink_event(adev->pnp.device_class,
-			dev_name(&adev->dev), event, 0);
+		acpi_bus_generate_netlink_event("acpi_pad",
+						dev_name(&adev->dev), event, 0);
 		break;
 	default:
 		pr_warn("Unsupported event [0x%x]\n", event);
@@ -427,30 +424,19 @@ static void acpi_pad_notify(acpi_handle handle, u32 event,
 static int acpi_pad_probe(struct platform_device *pdev)
 {
 	struct acpi_device *adev = ACPI_COMPANION(&pdev->dev);
-	acpi_status status;
 
-	strscpy(acpi_device_name(adev), ACPI_PROCESSOR_AGGREGATOR_DEVICE_NAME);
-	strscpy(acpi_device_class(adev), ACPI_PROCESSOR_AGGREGATOR_CLASS);
-
-	status = acpi_install_notify_handler(adev->handle,
-		ACPI_DEVICE_NOTIFY, acpi_pad_notify, adev);
-
-	if (ACPI_FAILURE(status))
-		return -ENODEV;
-
-	return 0;
+	return acpi_dev_install_notify_handler(adev, ACPI_DEVICE_NOTIFY,
+					       acpi_pad_notify, adev);
 }
 
 static void acpi_pad_remove(struct platform_device *pdev)
 {
-	struct acpi_device *adev = ACPI_COMPANION(&pdev->dev);
-
 	mutex_lock(&isolated_cpus_lock);
 	acpi_pad_idle_cpus(0);
 	mutex_unlock(&isolated_cpus_lock);
 
-	acpi_remove_notify_handler(adev->handle,
-		ACPI_DEVICE_NOTIFY, acpi_pad_notify);
+	acpi_dev_remove_notify_handler(ACPI_COMPANION(&pdev->dev),
+				       ACPI_DEVICE_NOTIFY, acpi_pad_notify);
 }
 
 static const struct acpi_device_id pad_device_ids[] = {
diff --git a/drivers/acpi/acpi_pnp.c b/drivers/acpi/acpi_pnp.c
index 85d9f78..da88692 100644
--- a/drivers/acpi/acpi_pnp.c
+++ b/drivers/acpi/acpi_pnp.c
@@ -125,10 +125,6 @@ static const struct acpi_device_id acpi_pnp_device_ids[] = {
 	{"PNP0401"},		/* ECP Printer Port */
 	/* apple-gmux */
 	{"APP000B"},
-	/* rtc_cmos */
-	{"PNP0b00"},
-	{"PNP0b01"},
-	{"PNP0b02"},
 	/* c6xdigio */
 	{"PNP0400"},		/* Standard LPT Printer Port */
 	{"PNP0401"},		/* ECP Printer Port */
@@ -355,25 +351,9 @@ static struct acpi_scan_handler acpi_pnp_handler = {
 	.attach = acpi_pnp_attach,
 };
 
-/*
- * For CMOS RTC devices, the PNP ACPI scan handler does not work, because
- * there is a CMOS RTC ACPI scan handler installed already, so we need to
- * check those devices and enumerate them to the PNP bus directly.
- */
-static int is_cmos_rtc_device(struct acpi_device *adev)
-{
-	static const struct acpi_device_id ids[] = {
-		{ "PNP0B00" },
-		{ "PNP0B01" },
-		{ "PNP0B02" },
-		{""},
-	};
-	return !acpi_match_device_ids(adev, ids);
-}
-
 bool acpi_is_pnp_device(struct acpi_device *adev)
 {
-	return adev->handler == &acpi_pnp_handler || is_cmos_rtc_device(adev);
+	return adev->handler == &acpi_pnp_handler;
 }
 EXPORT_SYMBOL_GPL(acpi_is_pnp_device);
 
diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index b1652ca..7c3e560 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -439,8 +439,6 @@ static int acpi_processor_add(struct acpi_device *device,
 	}
 
 	pr->handle = device->handle;
-	strscpy(acpi_device_name(device), ACPI_PROCESSOR_DEVICE_NAME);
-	strscpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS);
 	device->driver_data = pr;
 
 	result = acpi_processor_get_info(device);
diff --git a/drivers/acpi/acpi_tad.c b/drivers/acpi/acpi_tad.c
index 6d870d9..8b43d88 100644
--- a/drivers/acpi/acpi_tad.c
+++ b/drivers/acpi/acpi_tad.c
@@ -2,12 +2,10 @@
 /*
  * ACPI Time and Alarm (TAD) Device Driver
  *
- * Copyright (C) 2018 Intel Corporation
+ * Copyright (C) 2018 - 2026 Intel Corporation
  * Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
  *
- * This driver is based on Section 9.18 of the ACPI 6.2 specification revision.
- *
- * It only supports the system wakeup capabilities of the TAD.
+ * This driver is based on ACPI 6.6, Section 9.17.
  *
  * Provided are sysfs attributes, available under the TAD platform device,
  * allowing user space to manage the AC and DC wakeup timers of the TAD:
@@ -18,6 +16,11 @@
  *
  * The wakeup events handling and power management of the TAD is expected to
  * be taken care of by the ACPI PM domain attached to its platform device.
+ *
+ * If the TAD supports the get/set real time features, as indicated by the
+ * capability mask returned by _GCP under the TAD object, additional sysfs
+ * attributes are created allowing the real time to be set and read and an RTC
+ * class device is registered under the TAD platform device.
  */
 
 #include <linux/acpi.h>
@@ -25,13 +28,14 @@
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
+#include <linux/rtc.h>
 #include <linux/suspend.h>
 
 MODULE_DESCRIPTION("ACPI Time and Alarm (TAD) Device Driver");
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Rafael J. Wysocki");
 
-/* ACPI TAD capability flags (ACPI 6.2, Section 9.18.2) */
+/* ACPI TAD capability flags (ACPI 6.6, Section 9.17.2) */
 #define ACPI_TAD_AC_WAKE	BIT(0)
 #define ACPI_TAD_DC_WAKE	BIT(1)
 #define ACPI_TAD_RT		BIT(2)
@@ -49,6 +53,10 @@ MODULE_AUTHOR("Rafael J. Wysocki");
 /* Special value for disabled timer or expired timer wake policy. */
 #define ACPI_TAD_WAKE_DISABLED	(~(u32)0)
 
+/* ACPI TAD RTC */
+#define ACPI_TAD_TZ_UNSPEC	2047
+#define ACPI_TAD_TIME_ISDST	3
+
 struct acpi_tad_driver_data {
 	u32 capabilities;
 };
@@ -67,6 +75,16 @@ struct acpi_tad_rt {
 	u8 padding[3]; /* must be 0 */
 } __packed;
 
+static bool acpi_tad_rt_is_invalid(struct acpi_tad_rt *rt)
+{
+	return rt->year < 1900 || rt->year > 9999 ||
+	    rt->month < 1 || rt->month > 12 ||
+	    rt->hour > 23 || rt->minute > 59 || rt->second > 59 ||
+	    rt->tz < -1440 ||
+	    (rt->tz > 1440 && rt->tz != ACPI_TAD_TZ_UNSPEC) ||
+	    rt->daylight > 3;
+}
+
 static int acpi_tad_set_real_time(struct device *dev, struct acpi_tad_rt *rt)
 {
 	acpi_handle handle = ACPI_HANDLE(dev);
@@ -80,12 +98,12 @@ static int acpi_tad_set_real_time(struct device *dev, struct acpi_tad_rt *rt)
 	unsigned long long retval;
 	acpi_status status;
 
-	if (rt->year < 1900 || rt->year > 9999 ||
-	    rt->month < 1 || rt->month > 12 ||
-	    rt->hour > 23 || rt->minute > 59 || rt->second > 59 ||
-	    rt->tz < -1440 || (rt->tz > 1440 && rt->tz != 2047) ||
-	    rt->daylight > 3)
-		return -ERANGE;
+	if (acpi_tad_rt_is_invalid(rt))
+		return -EINVAL;
+
+	rt->valid = 0;
+	rt->msec = 0;
+	memset(rt->padding, 0, 3);
 
 	args[0].buffer.pointer = (u8 *)rt;
 	args[0].buffer.length = sizeof(*rt);
@@ -145,9 +163,14 @@ static int acpi_tad_get_real_time(struct device *dev, struct acpi_tad_rt *rt)
 	if (ret)
 		return ret;
 
+	if (acpi_tad_rt_is_invalid(rt))
+		return -ENODATA;
+
 	return 0;
 }
 
+/* sysfs interface */
+
 static char *acpi_tad_rt_next_field(char *s, int *val)
 {
 	char *p;
@@ -167,69 +190,65 @@ static ssize_t time_store(struct device *dev, struct device_attribute *attr,
 			  const char *buf, size_t count)
 {
 	struct acpi_tad_rt rt;
-	char *str, *s;
-	int val, ret = -ENODATA;
+	int val, ret;
+	char *s;
 
-	str = kmemdup_nul(buf, count, GFP_KERNEL);
+	char *str __free(kfree) = kmemdup_nul(buf, count, GFP_KERNEL);
 	if (!str)
 		return -ENOMEM;
 
 	s = acpi_tad_rt_next_field(str, &val);
 	if (!s)
-		goto out_free;
+		return -ENODATA;
 
 	rt.year = val;
 
 	s = acpi_tad_rt_next_field(s, &val);
 	if (!s)
-		goto out_free;
+		return -ENODATA;
 
 	rt.month = val;
 
 	s = acpi_tad_rt_next_field(s, &val);
 	if (!s)
-		goto out_free;
+		return -ENODATA;
 
 	rt.day = val;
 
 	s = acpi_tad_rt_next_field(s, &val);
 	if (!s)
-		goto out_free;
+		return -ENODATA;
 
 	rt.hour = val;
 
 	s = acpi_tad_rt_next_field(s, &val);
 	if (!s)
-		goto out_free;
+		return -ENODATA;
 
 	rt.minute = val;
 
 	s = acpi_tad_rt_next_field(s, &val);
 	if (!s)
-		goto out_free;
+		return -ENODATA;
 
 	rt.second = val;
 
 	s = acpi_tad_rt_next_field(s, &val);
 	if (!s)
-		goto out_free;
+		return -ENODATA;
 
 	rt.tz = val;
 
 	if (kstrtoint(s, 10, &val))
-		goto out_free;
+		return -ENODATA;
 
 	rt.daylight = val;
 
-	rt.valid = 0;
-	rt.msec = 0;
-	memset(rt.padding, 0, 3);
-
 	ret = acpi_tad_set_real_time(dev, &rt);
+	if (ret)
+		return ret;
 
-out_free:
-	kfree(str);
-	return ret ? ret : count;
+	return count;
 }
 
 static ssize_t time_show(struct device *dev, struct device_attribute *attr,
@@ -249,14 +268,6 @@ static ssize_t time_show(struct device *dev, struct device_attribute *attr,
 
 static DEVICE_ATTR_RW(time);
 
-static struct attribute *acpi_tad_time_attrs[] = {
-	&dev_attr_time.attr,
-	NULL,
-};
-static const struct attribute_group acpi_tad_time_attr_group = {
-	.attrs	= acpi_tad_time_attrs,
-};
-
 static int acpi_tad_wake_set(struct device *dev, char *method, u32 timer_id,
 			     u32 value)
 {
@@ -486,17 +497,6 @@ static ssize_t ac_status_show(struct device *dev, struct device_attribute *attr,
 
 static DEVICE_ATTR_RW(ac_status);
 
-static struct attribute *acpi_tad_attrs[] = {
-	&dev_attr_caps.attr,
-	&dev_attr_ac_alarm.attr,
-	&dev_attr_ac_policy.attr,
-	&dev_attr_ac_status.attr,
-	NULL,
-};
-static const struct attribute_group acpi_tad_attr_group = {
-	.attrs	= acpi_tad_attrs,
-};
-
 static ssize_t dc_alarm_store(struct device *dev, struct device_attribute *attr,
 			      const char *buf, size_t count)
 {
@@ -545,16 +545,117 @@ static ssize_t dc_status_show(struct device *dev, struct device_attribute *attr,
 
 static DEVICE_ATTR_RW(dc_status);
 
-static struct attribute *acpi_tad_dc_attrs[] = {
+static struct attribute *acpi_tad_attrs[] = {
+	&dev_attr_caps.attr,
+	&dev_attr_ac_alarm.attr,
+	&dev_attr_ac_policy.attr,
+	&dev_attr_ac_status.attr,
 	&dev_attr_dc_alarm.attr,
 	&dev_attr_dc_policy.attr,
 	&dev_attr_dc_status.attr,
+	&dev_attr_time.attr,
 	NULL,
 };
-static const struct attribute_group acpi_tad_dc_attr_group = {
-	.attrs	= acpi_tad_dc_attrs,
+
+static umode_t acpi_tad_attr_is_visible(struct kobject *kobj,
+					struct attribute *a, int n)
+{
+	struct acpi_tad_driver_data *dd = dev_get_drvdata(kobj_to_dev(kobj));
+
+	if (a == &dev_attr_caps.attr)
+		return a->mode;
+
+	if ((dd->capabilities & ACPI_TAD_AC_WAKE) &&
+	    (a == &dev_attr_ac_alarm.attr || a == &dev_attr_ac_policy.attr ||
+	     a == &dev_attr_ac_status.attr))
+		return a->mode;
+
+	if ((dd->capabilities & ACPI_TAD_DC_WAKE) &&
+	    (a == &dev_attr_dc_alarm.attr || a == &dev_attr_dc_policy.attr ||
+	     a == &dev_attr_dc_status.attr))
+		return a->mode;
+
+	if ((dd->capabilities & ACPI_TAD_RT) && a == &dev_attr_time.attr)
+		return a->mode;
+
+	return 0;
+}
+
+static const struct attribute_group acpi_tad_attr_group = {
+	.attrs	= acpi_tad_attrs,
+	.is_visible = acpi_tad_attr_is_visible,
 };
 
+static const struct attribute_group *acpi_tad_attr_groups[] = {
+	&acpi_tad_attr_group,
+	NULL,
+};
+
+#ifdef CONFIG_RTC_CLASS
+/* RTC class device interface */
+
+static int acpi_tad_rtc_set_time(struct device *dev, struct rtc_time *tm)
+{
+	struct acpi_tad_rt rt;
+
+	rt.year = tm->tm_year + 1900;
+	rt.month = tm->tm_mon + 1;
+	rt.day = tm->tm_mday;
+	rt.hour = tm->tm_hour;
+	rt.minute = tm->tm_min;
+	rt.second = tm->tm_sec;
+	rt.tz = ACPI_TAD_TZ_UNSPEC;
+	rt.daylight = ACPI_TAD_TIME_ISDST * !!tm->tm_isdst;
+
+	return acpi_tad_set_real_time(dev, &rt);
+}
+
+static int acpi_tad_rtc_read_time(struct device *dev, struct rtc_time *tm)
+{
+	struct acpi_tad_rt rt;
+	int ret;
+
+	ret = acpi_tad_get_real_time(dev, &rt);
+	if (ret)
+		return ret;
+
+	tm->tm_year = rt.year - 1900;
+	tm->tm_mon = rt.month - 1;
+	tm->tm_mday = rt.day;
+	tm->tm_hour = rt.hour;
+	tm->tm_min = rt.minute;
+	tm->tm_sec = rt.second;
+	tm->tm_isdst = rt.daylight == ACPI_TAD_TIME_ISDST;
+
+	return 0;
+}
+
+static const struct rtc_class_ops acpi_tad_rtc_ops = {
+	.read_time = acpi_tad_rtc_read_time,
+	.set_time = acpi_tad_rtc_set_time,
+};
+
+static void acpi_tad_register_rtc(struct device *dev)
+{
+	struct rtc_device *rtc;
+
+	rtc = devm_rtc_allocate_device(dev);
+	if (IS_ERR(rtc))
+		return;
+
+	rtc->range_min = mktime64(1900,  1,  1,  0,  0,  0);
+	rtc->range_max = mktime64(9999, 12, 31, 23, 59, 59);
+
+	rtc->ops = &acpi_tad_rtc_ops;
+
+	devm_rtc_register_device(rtc);
+}
+#else /* !CONFIG_RTC_CLASS */
+static inline void acpi_tad_register_rtc(struct device *dev) {}
+#endif /* !CONFIG_RTC_CLASS */
+
+/* Platform driver interface */
+
 static int acpi_tad_disable_timer(struct device *dev, u32 timer_id)
 {
 	return acpi_tad_wake_set(dev, "_STV", timer_id, ACPI_TAD_WAKE_DISABLED);
@@ -563,22 +664,15 @@ static int acpi_tad_disable_timer(struct device *dev, u32 timer_id)
 static void acpi_tad_remove(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	acpi_handle handle = ACPI_HANDLE(dev);
 	struct acpi_tad_driver_data *dd = dev_get_drvdata(dev);
 
 	device_init_wakeup(dev, false);
 
-	if (dd->capabilities & ACPI_TAD_RT)
-		sysfs_remove_group(&dev->kobj, &acpi_tad_time_attr_group);
-
-	if (dd->capabilities & ACPI_TAD_DC_WAKE)
-		sysfs_remove_group(&dev->kobj, &acpi_tad_dc_attr_group);
-
-	sysfs_remove_group(&dev->kobj, &acpi_tad_attr_group);
-
 	scoped_guard(pm_runtime_noresume, dev) {
-		acpi_tad_disable_timer(dev, ACPI_TAD_AC_TIMER);
-		acpi_tad_clear_status(dev, ACPI_TAD_AC_TIMER);
+		if (dd->capabilities & ACPI_TAD_AC_WAKE) {
+			acpi_tad_disable_timer(dev, ACPI_TAD_AC_TIMER);
+			acpi_tad_clear_status(dev, ACPI_TAD_AC_TIMER);
+		}
 		if (dd->capabilities & ACPI_TAD_DC_WAKE) {
 			acpi_tad_disable_timer(dev, ACPI_TAD_DC_TIMER);
 			acpi_tad_clear_status(dev, ACPI_TAD_DC_TIMER);
@@ -587,7 +681,6 @@ static void acpi_tad_remove(struct platform_device *pdev)
 
 	pm_runtime_suspend(dev);
 	pm_runtime_disable(dev);
-	acpi_remove_cmos_rtc_space_handler(handle);
 }
 
 static int acpi_tad_probe(struct platform_device *pdev)
@@ -597,13 +690,7 @@ static int acpi_tad_probe(struct platform_device *pdev)
 	struct acpi_tad_driver_data *dd;
 	acpi_status status;
 	unsigned long long caps;
-	int ret;
 
-	ret = acpi_install_cmos_rtc_space_handler(handle);
-	if (ret < 0) {
-		dev_info(dev, "Unable to install space handler\n");
-		return -ENODEV;
-	}
 	/*
 	 * Initialization failure messages are mostly about firmware issues, so
 	 * print them at the "info" level.
@@ -611,27 +698,20 @@ static int acpi_tad_probe(struct platform_device *pdev)
 	status = acpi_evaluate_integer(handle, "_GCP", NULL, &caps);
 	if (ACPI_FAILURE(status)) {
 		dev_info(dev, "Unable to get capabilities\n");
-		ret = -ENODEV;
-		goto remove_handler;
-	}
-
-	if (!(caps & ACPI_TAD_AC_WAKE)) {
-		dev_info(dev, "Unsupported capabilities\n");
-		ret = -ENODEV;
-		goto remove_handler;
+		return -ENODEV;
 	}
 
 	if (!acpi_has_method(handle, "_PRW")) {
 		dev_info(dev, "Missing _PRW\n");
-		ret = -ENODEV;
-		goto remove_handler;
+		caps &= ~(ACPI_TAD_AC_WAKE | ACPI_TAD_DC_WAKE);
 	}
 
+	if (!(caps & ACPI_TAD_AC_WAKE))
+		caps &= ~ACPI_TAD_DC_WAKE;
+
 	dd = devm_kzalloc(dev, sizeof(*dd), GFP_KERNEL);
-	if (!dd) {
-		ret = -ENOMEM;
-		goto remove_handler;
-	}
+	if (!dd)
+		return -ENOMEM;
 
 	dd->capabilities = caps;
 	dev_set_drvdata(dev, dd);
@@ -642,9 +722,12 @@ static int acpi_tad_probe(struct platform_device *pdev)
 	 * runtime suspend.  Everything else should be taken care of by the ACPI
 	 * PM domain callbacks.
 	 */
-	device_init_wakeup(dev, true);
-	dev_pm_set_driver_flags(dev, DPM_FLAG_SMART_SUSPEND |
-				     DPM_FLAG_MAY_SKIP_RESUME);
+	if (ACPI_TAD_AC_WAKE) {
+		device_init_wakeup(dev, true);
+		dev_pm_set_driver_flags(dev, DPM_FLAG_SMART_SUSPEND |
+					     DPM_FLAG_MAY_SKIP_RESUME);
+	}
+
 	/*
 	 * The platform bus type layer tells the ACPI PM domain powers up the
 	 * device, so set the runtime PM status of it to "active".
@@ -653,32 +736,10 @@ static int acpi_tad_probe(struct platform_device *pdev)
 	pm_runtime_enable(dev);
 	pm_runtime_suspend(dev);
 
-	ret = sysfs_create_group(&dev->kobj, &acpi_tad_attr_group);
-	if (ret)
-		goto fail;
-
-	if (caps & ACPI_TAD_DC_WAKE) {
-		ret = sysfs_create_group(&dev->kobj, &acpi_tad_dc_attr_group);
-		if (ret)
-			goto fail;
-	}
-
-	if (caps & ACPI_TAD_RT) {
-		ret = sysfs_create_group(&dev->kobj, &acpi_tad_time_attr_group);
-		if (ret)
-			goto fail;
-	}
+	if (caps & ACPI_TAD_RT)
+		acpi_tad_register_rtc(dev);
 
 	return 0;
-
-fail:
-	acpi_tad_remove(pdev);
-	/* Don't fallthrough because cmos rtc space handler is removed in acpi_tad_remove() */
-	return ret;
-
-remove_handler:
-	acpi_remove_cmos_rtc_space_handler(handle);
-	return ret;
 }
 
 static const struct acpi_device_id acpi_tad_ids[] = {
@@ -690,6 +751,7 @@ static struct platform_driver acpi_tad_driver = {
 	.driver = {
 		.name = "acpi-tad",
 		.acpi_match_table = acpi_tad_ids,
+		.dev_groups = acpi_tad_attr_groups,
 	},
 	.probe = acpi_tad_probe,
 	.remove = acpi_tad_remove,
diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index adbaf02..05793dd 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -30,9 +30,6 @@
 #include <linux/uaccess.h>
 #include <linux/string_choices.h>
 
-#define ACPI_VIDEO_BUS_NAME		"Video Bus"
-#define ACPI_VIDEO_DEVICE_NAME		"Video Device"
-
 #define MAX_NAME_LEN	20
 
 MODULE_AUTHOR("Bruno Ducrot");
@@ -1144,9 +1141,6 @@ static int acpi_video_bus_get_one_device(struct acpi_device *device, void *arg)
 		return -ENOMEM;
 	}
 
-	strscpy(acpi_device_name(device), ACPI_VIDEO_DEVICE_NAME);
-	strscpy(acpi_device_class(device), ACPI_VIDEO_CLASS);
-
 	data->device_id = device_id;
 	data->video = video;
 	data->dev = device;
@@ -1570,7 +1564,8 @@ static void acpi_video_bus_notify(acpi_handle handle, u32 event, void *data)
 		break;
 	}
 
-	if (acpi_notifier_call_chain(device, event, 0))
+	if (acpi_notifier_call_chain(ACPI_VIDEO_CLASS, acpi_device_bid(device),
+				     event, 0))
 		/* Something vetoed the keypress. */
 		keycode = 0;
 
@@ -1611,7 +1606,8 @@ static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data)
 		if (video_device->backlight)
 			backlight_force_update(video_device->backlight,
 					       BACKLIGHT_UPDATE_HOTKEY);
-		acpi_notifier_call_chain(device, event, 0);
+		acpi_notifier_call_chain(ACPI_VIDEO_CLASS, acpi_device_bid(device),
+					 event, 0);
 		return;
 	}
 
@@ -1644,7 +1640,8 @@ static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data)
 	if (keycode)
 		may_report_brightness_keys = true;
 
-	acpi_notifier_call_chain(device, event, 0);
+	acpi_notifier_call_chain(ACPI_VIDEO_CLASS, acpi_device_bid(device),
+				 event, 0);
 
 	if (keycode && (report_key_events & REPORT_BRIGHTNESS_KEY_EVENTS)) {
 		input_report_key(input, keycode, 1);
@@ -1681,26 +1678,6 @@ static int acpi_video_resume(struct notifier_block *nb,
 	return NOTIFY_DONE;
 }
 
-static acpi_status
-acpi_video_bus_match(acpi_handle handle, u32 level, void *context,
-			void **return_value)
-{
-	struct acpi_device *device = context;
-	struct acpi_device *sibling;
-
-	if (handle == device->handle)
-		return AE_CTRL_TERMINATE;
-
-	sibling = acpi_fetch_acpi_dev(handle);
-	if (!sibling)
-		return AE_OK;
-
-	if (!strcmp(acpi_device_name(sibling), ACPI_VIDEO_BUS_NAME))
-			return AE_ALREADY_EXISTS;
-
-	return AE_OK;
-}
-
 static void acpi_video_dev_register_backlight(struct acpi_video_device *device)
 {
 	struct backlight_properties props;
@@ -1902,7 +1879,7 @@ static int acpi_video_bus_add_notify_handler(struct acpi_video_bus *video,
 	snprintf(video->phys, sizeof(video->phys),
 			"%s/video/input0", acpi_device_hid(video->device));
 
-	input->name = acpi_device_name(video->device);
+	input->name = "Video Bus";
 	input->phys = video->phys;
 	input->id.bustype = BUS_HOST;
 	input->id.product = 0x06;
@@ -1976,53 +1953,69 @@ static int acpi_video_bus_put_devices(struct acpi_video_bus *video)
 	return 0;
 }
 
-static int instance;
+static int duplicate_dev_check(struct device *sibling, void *data)
+{
+	struct acpi_video_bus *video;
+
+	if (sibling == data || !dev_is_auxiliary(sibling))
+		return 0;
+
+	guard(mutex)(&video_list_lock);
+
+	list_for_each_entry(video, &video_bus_head, entry) {
+		if (video == dev_get_drvdata(sibling))
+			return -EEXIST;
+	}
+
+	return 0;
+}
+
+static bool acpi_video_bus_dev_is_duplicate(struct device *dev)
+{
+	return device_for_each_child(dev->parent, dev, duplicate_dev_check);
+}
 
 static int acpi_video_bus_probe(struct auxiliary_device *aux_dev,
 				const struct auxiliary_device_id *id_unused)
 {
 	struct acpi_device *device = ACPI_COMPANION(&aux_dev->dev);
+	static DEFINE_MUTEX(probe_lock);
 	struct acpi_video_bus *video;
+	static int instance;
 	bool auto_detect;
 	int error;
-	acpi_status status;
 
-	status = acpi_walk_namespace(ACPI_TYPE_DEVICE,
-				acpi_dev_parent(device)->handle, 1,
-				acpi_video_bus_match, NULL,
-				device, NULL);
-	if (status == AE_ALREADY_EXISTS) {
+	/* Probe one video bus device at a time in case there are duplicates. */
+	guard(mutex)(&probe_lock);
+
+	if (!allow_duplicates && acpi_video_bus_dev_is_duplicate(&aux_dev->dev)) {
 		pr_info(FW_BUG
 			"Duplicate ACPI video bus devices for the"
 			" same VGA controller, please try module "
 			"parameter \"video.allow_duplicates=1\""
 			"if the current driver doesn't work.\n");
-		if (!allow_duplicates)
-			return -ENODEV;
+		return -ENODEV;
 	}
 
 	video = kzalloc_obj(struct acpi_video_bus);
 	if (!video)
 		return -ENOMEM;
 
-	/* a hack to fix the duplicate name "VID" problem on T61 */
-	if (!strcmp(device->pnp.bus_id, "VID")) {
+	/*
+	 * A hack to fix the duplicate name "VID" problem on T61 and the
+	 * duplicate name "VGA" problem on Pa 3553.
+	 */
+	if (!strcmp(device->pnp.bus_id, "VID") ||
+	    !strcmp(device->pnp.bus_id, "VGA")) {
 		if (instance)
 			device->pnp.bus_id[3] = '0' + instance;
-		instance++;
-	}
-	/* a hack to fix the duplicate name "VGA" problem on Pa 3553 */
-	if (!strcmp(device->pnp.bus_id, "VGA")) {
-		if (instance)
-			device->pnp.bus_id[3] = '0' + instance;
+
 		instance++;
 	}
 
 	auxiliary_set_drvdata(aux_dev, video);
 
 	video->device = device;
-	strscpy(acpi_device_name(device), ACPI_VIDEO_BUS_NAME);
-	strscpy(acpi_device_class(device), ACPI_VIDEO_CLASS);
 	device->driver_data = video;
 
 	acpi_video_bus_find_cap(video);
@@ -2043,11 +2036,10 @@ static int acpi_video_bus_probe(struct auxiliary_device *aux_dev,
 	 */
 	acpi_device_fix_up_power_children(device);
 
-	pr_info("%s [%s] (multi-head: %s  rom: %s  post: %s)\n",
-	       ACPI_VIDEO_DEVICE_NAME, acpi_device_bid(device),
-	       str_yes_no(video->flags.multihead),
-	       str_yes_no(video->flags.rom),
-	       str_yes_no(video->flags.post));
+	pr_info("Video Device [%s] (multi-head: %s  rom: %s  post: %s)\n",
+		acpi_device_bid(device), str_yes_no(video->flags.multihead),
+		str_yes_no(video->flags.rom), str_yes_no(video->flags.post));
+
 	mutex_lock(&video_list_lock);
 	list_add_tail(&video->entry, &video_bus_head);
 	mutex_unlock(&video_list_lock);
diff --git a/drivers/acpi/acpica/utnonansi.c b/drivers/acpi/acpica/utnonansi.c
index ff0802a..3a7952b 100644
--- a/drivers/acpi/acpica/utnonansi.c
+++ b/drivers/acpi/acpica/utnonansi.c
@@ -168,8 +168,7 @@ void acpi_ut_safe_strncpy(char *dest, char *source, acpi_size dest_size)
 {
 	/* Always terminate destination string */
 
-	strncpy(dest, source, dest_size);
-	dest[dest_size - 1] = 0;
+	strscpy_pad(dest, source, dest_size);
 }
 
 #endif
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 8fbad8b..b4c2547 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -33,8 +33,6 @@
 #define ACPI_BATTERY_CAPACITY_VALID(capacity) \
 	((capacity) != 0 && (capacity) != ACPI_BATTERY_VALUE_UNKNOWN)
 
-#define ACPI_BATTERY_DEVICE_NAME	"Battery"
-
 /* Battery power unit: 0 means mW, 1 means mA */
 #define ACPI_BATTERY_POWER_UNIT_MA	1
 
@@ -1080,10 +1078,11 @@ static void acpi_battery_notify(acpi_handle handle, u32 event, void *data)
 	if (event == ACPI_BATTERY_NOTIFY_INFO)
 		acpi_battery_refresh(battery);
 	acpi_battery_update(battery, false);
-	acpi_bus_generate_netlink_event(device->pnp.device_class,
+	acpi_bus_generate_netlink_event(ACPI_BATTERY_CLASS,
 					dev_name(&device->dev), event,
 					acpi_battery_present(battery));
-	acpi_notifier_call_chain(device, event, acpi_battery_present(battery));
+	acpi_notifier_call_chain(ACPI_BATTERY_CLASS, acpi_device_bid(device),
+				 event, acpi_battery_present(battery));
 	/* acpi_battery_update could remove power_supply object */
 	if (old && battery->bat)
 		power_supply_changed(battery->bat);
@@ -1229,8 +1228,6 @@ static int acpi_battery_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, battery);
 
 	battery->device = device;
-	strscpy(acpi_device_name(device), ACPI_BATTERY_DEVICE_NAME);
-	strscpy(acpi_device_class(device), ACPI_BATTERY_CLASS);
 
 	result = devm_mutex_init(&pdev->dev, &battery->update_lock);
 	if (result)
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 97b0524..dc064a3 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -468,7 +468,7 @@ static void acpi_button_notify(acpi_handle handle, u32 event, void *data)
 	input_report_key(input, keycode, 0);
 	input_sync(input);
 
-	acpi_bus_generate_netlink_event(device->pnp.device_class,
+	acpi_bus_generate_netlink_event(acpi_device_class(device),
 					dev_name(&device->dev),
 					event, ++button->pushed);
 }
@@ -558,27 +558,26 @@ static int acpi_button_probe(struct platform_device *pdev)
 		goto err_free_button;
 	}
 
-	name = acpi_device_name(device);
 	class = acpi_device_class(device);
 
 	if (!strcmp(hid, ACPI_BUTTON_HID_POWER) ||
 	    !strcmp(hid, ACPI_BUTTON_HID_POWERF)) {
 		button->type = ACPI_BUTTON_TYPE_POWER;
 		handler = acpi_button_notify;
-		strscpy(name, ACPI_BUTTON_DEVICE_NAME_POWER, MAX_ACPI_DEVICE_NAME_LEN);
+		name = ACPI_BUTTON_DEVICE_NAME_POWER;
 		sprintf(class, "%s/%s",
 			ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_POWER);
 	} else if (!strcmp(hid, ACPI_BUTTON_HID_SLEEP) ||
 		   !strcmp(hid, ACPI_BUTTON_HID_SLEEPF)) {
 		button->type = ACPI_BUTTON_TYPE_SLEEP;
 		handler = acpi_button_notify;
-		strscpy(name, ACPI_BUTTON_DEVICE_NAME_SLEEP, MAX_ACPI_DEVICE_NAME_LEN);
+		name = ACPI_BUTTON_DEVICE_NAME_SLEEP;
 		sprintf(class, "%s/%s",
 			ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_SLEEP);
 	} else if (!strcmp(hid, ACPI_BUTTON_HID_LID)) {
 		button->type = ACPI_BUTTON_TYPE_LID;
 		handler = acpi_lid_notify;
-		strscpy(name, ACPI_BUTTON_DEVICE_NAME_LID, MAX_ACPI_DEVICE_NAME_LEN);
+		name = ACPI_BUTTON_DEVICE_NAME_LID;
 		sprintf(class, "%s/%s",
 			ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_LID);
 		input->open = acpi_lid_input_open;
@@ -698,6 +697,8 @@ static void acpi_button_remove(struct platform_device *pdev)
 	acpi_button_remove_fs(button);
 	input_unregister_device(button->input);
 	kfree(button);
+
+	memset(acpi_device_class(adev), 0, sizeof(acpi_device_class));
 }
 
 static int param_set_lid_init_state(const char *val,
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index f0e513e..2e91c5a 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -177,12 +177,12 @@ __ATTR(_name, 0444, show_##_name, NULL)
 show_cppc_data(cppc_get_perf_caps, cppc_perf_caps, highest_perf);
 show_cppc_data(cppc_get_perf_caps, cppc_perf_caps, lowest_perf);
 show_cppc_data(cppc_get_perf_caps, cppc_perf_caps, nominal_perf);
+show_cppc_data(cppc_get_perf_caps, cppc_perf_caps, reference_perf);
 show_cppc_data(cppc_get_perf_caps, cppc_perf_caps, lowest_nonlinear_perf);
 show_cppc_data(cppc_get_perf_caps, cppc_perf_caps, guaranteed_perf);
 show_cppc_data(cppc_get_perf_caps, cppc_perf_caps, lowest_freq);
 show_cppc_data(cppc_get_perf_caps, cppc_perf_caps, nominal_freq);
 
-show_cppc_data(cppc_get_perf_ctrs, cppc_perf_fb_ctrs, reference_perf);
 show_cppc_data(cppc_get_perf_ctrs, cppc_perf_fb_ctrs, wraparound_time);
 
 /* Check for valid access_width, otherwise, fallback to using bit_width */
@@ -854,6 +854,16 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr)
 	per_cpu(cpu_pcc_subspace_idx, pr->id) = pcc_subspace_id;
 
 	/*
+	 * In CPPC v1, DESIRED_PERF is mandatory. In CPPC v2, it is optional
+	 * only when AUTO_SEL_ENABLE is supported.
+	 */
+	if (!CPC_SUPPORTED(&cpc_ptr->cpc_regs[DESIRED_PERF]) &&
+	    (!osc_sb_cppc2_support_acked ||
+	     !CPC_SUPPORTED(&cpc_ptr->cpc_regs[AUTO_SEL_ENABLE])))
+		pr_warn("Desired perf. register is mandatory if CPPC v2 is not supported "
+			"or autonomous selection is disabled\n");
+
+	/*
 	 * Initialize the remaining cpc_regs as unsupported.
 	 * Example: In case FW exposes CPPC v2, the below loop will initialize
 	 * LOWEST_FREQ and NOMINAL_FREQ regs as unsupported
@@ -1342,9 +1352,10 @@ int cppc_get_perf_caps(int cpunum, struct cppc_perf_caps *perf_caps)
 {
 	struct cpc_desc *cpc_desc = per_cpu(cpc_desc_ptr, cpunum);
 	struct cpc_register_resource *highest_reg, *lowest_reg,
-		*lowest_non_linear_reg, *nominal_reg, *guaranteed_reg,
-		*low_freq_reg = NULL, *nom_freq_reg = NULL;
-	u64 high, low, guaranteed, nom, min_nonlinear, low_f = 0, nom_f = 0;
+		*lowest_non_linear_reg, *nominal_reg, *reference_reg,
+		*guaranteed_reg, *low_freq_reg = NULL, *nom_freq_reg = NULL;
+	u64 high, low, guaranteed, nom, ref, min_nonlinear,
+	    low_f = 0, nom_f = 0;
 	int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpunum);
 	struct cppc_pcc_data *pcc_ss_data = NULL;
 	int ret = 0, regs_in_pcc = 0;
@@ -1358,6 +1369,7 @@ int cppc_get_perf_caps(int cpunum, struct cppc_perf_caps *perf_caps)
 	lowest_reg = &cpc_desc->cpc_regs[LOWEST_PERF];
 	lowest_non_linear_reg = &cpc_desc->cpc_regs[LOW_NON_LINEAR_PERF];
 	nominal_reg = &cpc_desc->cpc_regs[NOMINAL_PERF];
+	reference_reg = &cpc_desc->cpc_regs[REFERENCE_PERF];
 	low_freq_reg = &cpc_desc->cpc_regs[LOWEST_FREQ];
 	nom_freq_reg = &cpc_desc->cpc_regs[NOMINAL_FREQ];
 	guaranteed_reg = &cpc_desc->cpc_regs[GUARANTEED_PERF];
@@ -1365,6 +1377,7 @@ int cppc_get_perf_caps(int cpunum, struct cppc_perf_caps *perf_caps)
 	/* Are any of the regs PCC ?*/
 	if (CPC_IN_PCC(highest_reg) || CPC_IN_PCC(lowest_reg) ||
 		CPC_IN_PCC(lowest_non_linear_reg) || CPC_IN_PCC(nominal_reg) ||
+		(CPC_SUPPORTED(reference_reg) && CPC_IN_PCC(reference_reg)) ||
 		CPC_IN_PCC(low_freq_reg) || CPC_IN_PCC(nom_freq_reg) ||
 		CPC_IN_PCC(guaranteed_reg)) {
 		if (pcc_ss_id < 0) {
@@ -1381,35 +1394,66 @@ int cppc_get_perf_caps(int cpunum, struct cppc_perf_caps *perf_caps)
 		}
 	}
 
-	cpc_read(cpunum, highest_reg, &high);
+	ret = cpc_read(cpunum, highest_reg, &high);
+	if (ret)
+		goto out_err;
 	perf_caps->highest_perf = high;
 
-	cpc_read(cpunum, lowest_reg, &low);
+	ret = cpc_read(cpunum, lowest_reg, &low);
+	if (ret)
+		goto out_err;
 	perf_caps->lowest_perf = low;
 
-	cpc_read(cpunum, nominal_reg, &nom);
+	ret = cpc_read(cpunum, nominal_reg, &nom);
+	if (ret)
+		goto out_err;
 	perf_caps->nominal_perf = nom;
 
+	/*
+	 * If reference perf register is not supported then we should
+	 * use the nominal perf value
+	 */
+	if (CPC_SUPPORTED(reference_reg)) {
+		ret = cpc_read(cpunum, reference_reg, &ref);
+		if (ret)
+			goto out_err;
+	} else {
+		ref = nom;
+	}
+	perf_caps->reference_perf = ref;
+
 	if (guaranteed_reg->type != ACPI_TYPE_BUFFER  ||
 	    IS_NULL_REG(&guaranteed_reg->cpc_entry.reg)) {
 		perf_caps->guaranteed_perf = 0;
 	} else {
-		cpc_read(cpunum, guaranteed_reg, &guaranteed);
+		ret = cpc_read(cpunum, guaranteed_reg, &guaranteed);
+		if (ret)
+			goto out_err;
 		perf_caps->guaranteed_perf = guaranteed;
 	}
 
-	cpc_read(cpunum, lowest_non_linear_reg, &min_nonlinear);
+	ret = cpc_read(cpunum, lowest_non_linear_reg, &min_nonlinear);
+	if (ret)
+		goto out_err;
 	perf_caps->lowest_nonlinear_perf = min_nonlinear;
 
-	if (!high || !low || !nom || !min_nonlinear)
+	if (!high || !low || !nom || !ref || !min_nonlinear) {
 		ret = -EFAULT;
+		goto out_err;
+	}
 
 	/* Read optional lowest and nominal frequencies if present */
-	if (CPC_SUPPORTED(low_freq_reg))
-		cpc_read(cpunum, low_freq_reg, &low_f);
+	if (CPC_SUPPORTED(low_freq_reg)) {
+		ret = cpc_read(cpunum, low_freq_reg, &low_f);
+		if (ret)
+			goto out_err;
+	}
 
-	if (CPC_SUPPORTED(nom_freq_reg))
-		cpc_read(cpunum, nom_freq_reg, &nom_f);
+	if (CPC_SUPPORTED(nom_freq_reg)) {
+		ret = cpc_read(cpunum, nom_freq_reg, &nom_f);
+		if (ret)
+			goto out_err;
+	}
 
 	perf_caps->lowest_freq = low_f;
 	perf_caps->nominal_freq = nom_f;
@@ -1431,20 +1475,10 @@ EXPORT_SYMBOL_GPL(cppc_get_perf_caps);
 bool cppc_perf_ctrs_in_pcc_cpu(unsigned int cpu)
 {
 	struct cpc_desc *cpc_desc = per_cpu(cpc_desc_ptr, cpu);
-	struct cpc_register_resource *ref_perf_reg;
-
-	/*
-	 * If reference perf register is not supported then we should use the
-	 * nominal perf value
-	 */
-	ref_perf_reg = &cpc_desc->cpc_regs[REFERENCE_PERF];
-	if (!CPC_SUPPORTED(ref_perf_reg))
-		ref_perf_reg = &cpc_desc->cpc_regs[NOMINAL_PERF];
 
 	return CPC_IN_PCC(&cpc_desc->cpc_regs[DELIVERED_CTR]) ||
 		CPC_IN_PCC(&cpc_desc->cpc_regs[REFERENCE_CTR]) ||
-		CPC_IN_PCC(&cpc_desc->cpc_regs[CTR_WRAP_TIME]) ||
-		CPC_IN_PCC(ref_perf_reg);
+		CPC_IN_PCC(&cpc_desc->cpc_regs[CTR_WRAP_TIME]);
 }
 EXPORT_SYMBOL_GPL(cppc_perf_ctrs_in_pcc_cpu);
 
@@ -1481,10 +1515,10 @@ int cppc_get_perf_ctrs(int cpunum, struct cppc_perf_fb_ctrs *perf_fb_ctrs)
 {
 	struct cpc_desc *cpc_desc = per_cpu(cpc_desc_ptr, cpunum);
 	struct cpc_register_resource *delivered_reg, *reference_reg,
-		*ref_perf_reg, *ctr_wrap_reg;
+		*ctr_wrap_reg;
 	int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpunum);
 	struct cppc_pcc_data *pcc_ss_data = NULL;
-	u64 delivered, reference, ref_perf, ctr_wrap_time;
+	u64 delivered, reference, ctr_wrap_time;
 	int ret = 0, regs_in_pcc = 0;
 
 	if (!cpc_desc) {
@@ -1494,19 +1528,11 @@ int cppc_get_perf_ctrs(int cpunum, struct cppc_perf_fb_ctrs *perf_fb_ctrs)
 
 	delivered_reg = &cpc_desc->cpc_regs[DELIVERED_CTR];
 	reference_reg = &cpc_desc->cpc_regs[REFERENCE_CTR];
-	ref_perf_reg = &cpc_desc->cpc_regs[REFERENCE_PERF];
 	ctr_wrap_reg = &cpc_desc->cpc_regs[CTR_WRAP_TIME];
 
-	/*
-	 * If reference perf register is not supported then we should
-	 * use the nominal perf value
-	 */
-	if (!CPC_SUPPORTED(ref_perf_reg))
-		ref_perf_reg = &cpc_desc->cpc_regs[NOMINAL_PERF];
-
 	/* Are any of the regs PCC ?*/
 	if (CPC_IN_PCC(delivered_reg) || CPC_IN_PCC(reference_reg) ||
-		CPC_IN_PCC(ctr_wrap_reg) || CPC_IN_PCC(ref_perf_reg)) {
+		CPC_IN_PCC(ctr_wrap_reg)) {
 		if (pcc_ss_id < 0) {
 			pr_debug("Invalid pcc_ss_id\n");
 			return -ENODEV;
@@ -1521,9 +1547,13 @@ int cppc_get_perf_ctrs(int cpunum, struct cppc_perf_fb_ctrs *perf_fb_ctrs)
 		}
 	}
 
-	cpc_read(cpunum, delivered_reg, &delivered);
-	cpc_read(cpunum, reference_reg, &reference);
-	cpc_read(cpunum, ref_perf_reg, &ref_perf);
+	ret = cpc_read(cpunum, delivered_reg, &delivered);
+	if (ret)
+		goto out_err;
+
+	ret = cpc_read(cpunum, reference_reg, &reference);
+	if (ret)
+		goto out_err;
 
 	/*
 	 * Per spec, if ctr_wrap_time optional register is unsupported, then the
@@ -1531,17 +1561,19 @@ int cppc_get_perf_ctrs(int cpunum, struct cppc_perf_fb_ctrs *perf_fb_ctrs)
 	 * platform
 	 */
 	ctr_wrap_time = (u64)(~((u64)0));
-	if (CPC_SUPPORTED(ctr_wrap_reg))
-		cpc_read(cpunum, ctr_wrap_reg, &ctr_wrap_time);
+	if (CPC_SUPPORTED(ctr_wrap_reg)) {
+		ret = cpc_read(cpunum, ctr_wrap_reg, &ctr_wrap_time);
+		if (ret)
+			goto out_err;
+	}
 
-	if (!delivered || !reference ||	!ref_perf) {
+	if (!delivered || !reference) {
 		ret = -EFAULT;
 		goto out_err;
 	}
 
 	perf_fb_ctrs->delivered = delivered;
 	perf_fb_ctrs->reference = reference;
-	perf_fb_ctrs->reference_perf = ref_perf;
 	perf_fb_ctrs->wraparound_time = ctr_wrap_time;
 out_err:
 	if (regs_in_pcc)
@@ -1561,6 +1593,8 @@ int cppc_set_epp_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls, bool enable)
 	struct cpc_register_resource *auto_sel_reg;
 	struct cpc_desc *cpc_desc = per_cpu(cpc_desc_ptr, cpu);
 	struct cppc_pcc_data *pcc_ss_data = NULL;
+	bool autosel_ffh_sysmem;
+	bool epp_ffh_sysmem;
 	int ret;
 
 	if (!cpc_desc) {
@@ -1571,6 +1605,11 @@ int cppc_set_epp_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls, bool enable)
 	auto_sel_reg = &cpc_desc->cpc_regs[AUTO_SEL_ENABLE];
 	epp_set_reg = &cpc_desc->cpc_regs[ENERGY_PERF];
 
+	epp_ffh_sysmem = CPC_SUPPORTED(epp_set_reg) &&
+		(CPC_IN_FFH(epp_set_reg) || CPC_IN_SYSTEM_MEMORY(epp_set_reg));
+	autosel_ffh_sysmem = CPC_SUPPORTED(auto_sel_reg) &&
+		(CPC_IN_FFH(auto_sel_reg) || CPC_IN_SYSTEM_MEMORY(auto_sel_reg));
+
 	if (CPC_IN_PCC(epp_set_reg) || CPC_IN_PCC(auto_sel_reg)) {
 		if (pcc_ss_id < 0) {
 			pr_debug("Invalid pcc_ss_id for CPU:%d\n", cpu);
@@ -1596,11 +1635,22 @@ int cppc_set_epp_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls, bool enable)
 		ret = send_pcc_cmd(pcc_ss_id, CMD_WRITE);
 		up_write(&pcc_ss_data->pcc_lock);
 	} else if (osc_cpc_flexible_adr_space_confirmed &&
-		   CPC_SUPPORTED(epp_set_reg) && CPC_IN_FFH(epp_set_reg)) {
-		ret = cpc_write(cpu, epp_set_reg, perf_ctrls->energy_perf);
+		   (epp_ffh_sysmem || autosel_ffh_sysmem)) {
+		if (autosel_ffh_sysmem) {
+			ret = cpc_write(cpu, auto_sel_reg, enable);
+			if (ret)
+				return ret;
+		}
+
+		if (epp_ffh_sysmem) {
+			ret = cpc_write(cpu, epp_set_reg,
+					perf_ctrls->energy_perf);
+			if (ret)
+				return ret;
+		}
 	} else {
 		ret = -ENOTSUPP;
-		pr_debug("_CPC in PCC and _CPC in FFH are not supported\n");
+		pr_debug("_CPC in PCC/FFH/SystemMemory are not supported\n");
 	}
 
 	return ret;
@@ -1739,6 +1789,101 @@ int cppc_set_enable(int cpu, bool enable)
 EXPORT_SYMBOL_GPL(cppc_set_enable);
 
 /**
+ * cppc_get_perf - Get a CPU's performance controls.
+ * @cpu: CPU for which to get performance controls.
+ * @perf_ctrls: ptr to cppc_perf_ctrls. See cppc_acpi.h
+ *
+ * Return: 0 for success with perf_ctrls, -ERRNO otherwise.
+ */
+int cppc_get_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls)
+{
+	struct cpc_desc *cpc_desc = per_cpu(cpc_desc_ptr, cpu);
+	struct cpc_register_resource *desired_perf_reg,
+				     *min_perf_reg, *max_perf_reg,
+				     *energy_perf_reg, *auto_sel_reg;
+	u64 desired_perf = 0, min = 0, max = 0, energy_perf = 0, auto_sel = 0;
+	int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpu);
+	struct cppc_pcc_data *pcc_ss_data = NULL;
+	int ret = 0, regs_in_pcc = 0;
+
+	if (!cpc_desc) {
+		pr_debug("No CPC descriptor for CPU:%d\n", cpu);
+		return -ENODEV;
+	}
+
+	if (!perf_ctrls) {
+		pr_debug("Invalid perf_ctrls pointer\n");
+		return -EINVAL;
+	}
+
+	desired_perf_reg = &cpc_desc->cpc_regs[DESIRED_PERF];
+	min_perf_reg = &cpc_desc->cpc_regs[MIN_PERF];
+	max_perf_reg = &cpc_desc->cpc_regs[MAX_PERF];
+	energy_perf_reg = &cpc_desc->cpc_regs[ENERGY_PERF];
+	auto_sel_reg = &cpc_desc->cpc_regs[AUTO_SEL_ENABLE];
+
+	/* Are any of the regs PCC ?*/
+	if (CPC_IN_PCC(desired_perf_reg) || CPC_IN_PCC(min_perf_reg) ||
+	    CPC_IN_PCC(max_perf_reg) || CPC_IN_PCC(energy_perf_reg) ||
+	    CPC_IN_PCC(auto_sel_reg)) {
+		if (pcc_ss_id < 0) {
+			pr_debug("Invalid pcc_ss_id for CPU:%d\n", cpu);
+			return -ENODEV;
+		}
+		pcc_ss_data = pcc_data[pcc_ss_id];
+		regs_in_pcc = 1;
+		down_write(&pcc_ss_data->pcc_lock);
+		/* Ring doorbell once to update PCC subspace */
+		if (send_pcc_cmd(pcc_ss_id, CMD_READ) < 0) {
+			ret = -EIO;
+			goto out_err;
+		}
+	}
+
+	/* Read optional elements if present */
+	if (CPC_SUPPORTED(max_perf_reg)) {
+		ret = cpc_read(cpu, max_perf_reg, &max);
+		if (ret)
+			goto out_err;
+	}
+	perf_ctrls->max_perf = max;
+
+	if (CPC_SUPPORTED(min_perf_reg)) {
+		ret = cpc_read(cpu, min_perf_reg, &min);
+		if (ret)
+			goto out_err;
+	}
+	perf_ctrls->min_perf = min;
+
+	if (CPC_SUPPORTED(desired_perf_reg)) {
+		ret = cpc_read(cpu, desired_perf_reg, &desired_perf);
+		if (ret)
+			goto out_err;
+	}
+	perf_ctrls->desired_perf = desired_perf;
+
+	if (CPC_SUPPORTED(energy_perf_reg)) {
+		ret = cpc_read(cpu, energy_perf_reg, &energy_perf);
+		if (ret)
+			goto out_err;
+	}
+	perf_ctrls->energy_perf = energy_perf;
+
+	if (CPC_SUPPORTED(auto_sel_reg)) {
+		ret = cpc_read(cpu, auto_sel_reg, &auto_sel);
+		if (ret)
+			goto out_err;
+	}
+	perf_ctrls->auto_sel = (bool)auto_sel;
+
+out_err:
+	if (regs_in_pcc)
+		up_write(&pcc_ss_data->pcc_lock);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(cppc_get_perf);
+
+/**
  * cppc_set_perf - Set a CPU's performance controls.
  * @cpu: CPU for which to set performance controls.
  * @perf_ctrls: ptr to cppc_perf_ctrls. See cppc_acpi.h
@@ -1871,6 +2016,62 @@ int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls)
 EXPORT_SYMBOL_GPL(cppc_set_perf);
 
 /**
+ * cppc_get_perf_limited - Get the Performance Limited register value.
+ * @cpu: CPU from which to get Performance Limited register.
+ * @perf_limited: Pointer to store the Performance Limited value.
+ *
+ * The returned value contains sticky status bits indicating platform-imposed
+ * performance limitations.
+ *
+ * Return: 0 for success, -EIO on failure, -EOPNOTSUPP if not supported.
+ */
+int cppc_get_perf_limited(int cpu, u64 *perf_limited)
+{
+	return cppc_get_reg_val(cpu, PERF_LIMITED, perf_limited);
+}
+EXPORT_SYMBOL_GPL(cppc_get_perf_limited);
+
+/**
+ * cppc_set_perf_limited() - Clear bits in the Performance Limited register.
+ * @cpu: CPU on which to write register.
+ * @bits_to_clear: Bitmask of bits to clear in the perf_limited register.
+ *
+ * The Performance Limited register contains two sticky bits set by platform:
+ *   - Bit 0 (Desired_Excursion): Set when delivered performance is constrained
+ *     below desired performance. Not used when Autonomous Selection is enabled.
+ *   - Bit 1 (Minimum_Excursion): Set when delivered performance is constrained
+ *     below minimum performance.
+ *
+ * These bits are sticky and remain set until OSPM explicitly clears them.
+ * This function only allows clearing bits (the platform sets them).
+ *
+ * Return: 0 for success, -EINVAL for invalid bits, -EIO on register
+ *         access failure, -EOPNOTSUPP if not supported.
+ */
+int cppc_set_perf_limited(int cpu, u64 bits_to_clear)
+{
+	u64 current_val, new_val;
+	int ret;
+
+	/* Only bits 0 and 1 are valid */
+	if (bits_to_clear & ~CPPC_PERF_LIMITED_MASK)
+		return -EINVAL;
+
+	if (!bits_to_clear)
+		return 0;
+
+	ret = cppc_get_perf_limited(cpu, &current_val);
+	if (ret)
+		return ret;
+
+	/* Clear the specified bits */
+	new_val = current_val & ~bits_to_clear;
+
+	return cppc_set_reg_val(cpu, PERF_LIMITED, new_val);
+}
+EXPORT_SYMBOL_GPL(cppc_set_perf_limited);
+
+/**
  * cppc_get_transition_latency - returns frequency transition latency in ns
  * @cpu_num: CPU number for per_cpu().
  *
@@ -1944,7 +2145,7 @@ static void cppc_find_dmi_mhz(const struct dmi_header *dm, void *private)
 }
 
 /* Look up the max frequency in DMI */
-static u64 cppc_get_dmi_max_khz(void)
+u64 cppc_get_dmi_max_khz(void)
 {
 	u16 mhz = 0;
 
@@ -1958,6 +2159,7 @@ static u64 cppc_get_dmi_max_khz(void)
 
 	return KHZ_PER_MHZ * mhz;
 }
+EXPORT_SYMBOL_GPL(cppc_get_dmi_max_khz);
 
 /*
  * If CPPC lowest_freq and nominal_freq registers are exposed then we can
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 5f63ed1..4520453 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -35,9 +35,6 @@
 
 #include "internal.h"
 
-#define ACPI_EC_CLASS			"embedded_controller"
-#define ACPI_EC_DEVICE_NAME		"Embedded Controller"
-
 /* EC status register */
 #define ACPI_EC_FLAG_OBF	0x01	/* Output buffer full */
 #define ACPI_EC_FLAG_IBF	0x02	/* Input buffer full */
@@ -1656,6 +1653,8 @@ static int acpi_ec_setup(struct acpi_ec *ec, struct acpi_device *device, bool ca
 
 	ret = ec_install_handlers(ec, device, call_reg);
 	if (ret) {
+		ec_remove_handlers(ec);
+
 		if (ec == first_ec)
 			first_ec = NULL;
 
@@ -1681,9 +1680,6 @@ static int acpi_ec_probe(struct platform_device *pdev)
 	struct acpi_ec *ec;
 	int ret;
 
-	strscpy(acpi_device_name(device), ACPI_EC_DEVICE_NAME);
-	strscpy(acpi_device_class(device), ACPI_EC_CLASS);
-
 	if (boot_ec && (boot_ec->handle == device->handle ||
 	    !strcmp(acpi_device_hid(device), ACPI_ECDT_HID))) {
 		/* Fast path: this device corresponds to the boot EC. */
diff --git a/drivers/acpi/event.c b/drivers/acpi/event.c
index 96a9aaa..4d840d2 100644
--- a/drivers/acpi/event.c
+++ b/drivers/acpi/event.c
@@ -24,12 +24,13 @@
 /* ACPI notifier chain */
 static BLOCKING_NOTIFIER_HEAD(acpi_chain_head);
 
-int acpi_notifier_call_chain(struct acpi_device *dev, u32 type, u32 data)
+int acpi_notifier_call_chain(const char *device_class,
+			     const char *bus_id, u32 type, u32 data)
 {
 	struct acpi_bus_event event;
 
-	strscpy(event.device_class, dev->pnp.device_class);
-	strscpy(event.bus_id, dev->pnp.bus_id);
+	strscpy(event.device_class, device_class);
+	strscpy(event.bus_id, bus_id);
 	event.type = type;
 	event.data = data;
 	return (blocking_notifier_call_chain(&acpi_chain_head, 0, (void *)&event)
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 62b9c83..c8fe6e5 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -13,6 +13,8 @@
 
 #include <linux/module.h>
 #include <linux/kernel.h>
+#include <linux/panic.h>
+#include <linux/reboot.h>
 #include <linux/slab.h>
 #include <linux/mm.h>
 #include <linux/highmem.h>
@@ -70,6 +72,10 @@ static bool acpi_os_initialized;
 unsigned int acpi_sci_irq = INVALID_ACPI_IRQ;
 bool acpi_permanent_mmap = false;
 
+static bool poweroff_on_fatal = true;
+module_param(poweroff_on_fatal, bool, 0);
+MODULE_PARM_DESC(poweroff_on_fatal, "Poweroff when encountering a fatal ACPI error");
+
 /*
  * This list of permanent mappings is for memory that may be accessed from
  * interrupt context, where we can't do the ioremap().
@@ -1381,9 +1387,20 @@ acpi_status acpi_os_notify_command_complete(void)
 
 acpi_status acpi_os_signal(u32 function, void *info)
 {
+	struct acpi_signal_fatal_info *fatal_info;
+
 	switch (function) {
 	case ACPI_SIGNAL_FATAL:
-		pr_err("Fatal opcode executed\n");
+		fatal_info = info;
+		pr_emerg("Fatal error while evaluating ACPI control method\n");
+		pr_emerg("Type 0x%X Code 0x%X Argument 0x%X\n",
+			 fatal_info->type, fatal_info->code, fatal_info->argument);
+
+		if (poweroff_on_fatal)
+			orderly_poweroff(true);
+		else
+			add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK);
+
 		break;
 	case ACPI_SIGNAL_BREAKPOINT:
 		/*
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index 45bdfd0..e6ed13a 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -29,8 +29,6 @@
 
 #include "internal.h"
 
-#define ACPI_PCI_LINK_CLASS		"pci_irq_routing"
-#define ACPI_PCI_LINK_DEVICE_NAME	"PCI Interrupt Link"
 #define ACPI_PCI_LINK_MAX_POSSIBLE	16
 
 static int acpi_pci_link_add(struct acpi_device *device,
@@ -725,8 +723,6 @@ static int acpi_pci_link_add(struct acpi_device *device,
 		return -ENOMEM;
 
 	link->device = device;
-	strscpy(acpi_device_name(device), ACPI_PCI_LINK_DEVICE_NAME);
-	strscpy(acpi_device_class(device), ACPI_PCI_LINK_CLASS);
 	device->driver_data = link;
 
 	mutex_lock(&acpi_link_lock);
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 4a882e9..a0ba64e 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -24,8 +24,6 @@
 #include <linux/platform_data/x86/apple.h>
 #include "internal.h"
 
-#define ACPI_PCI_ROOT_CLASS		"pci_bridge"
-#define ACPI_PCI_ROOT_DEVICE_NAME	"PCI Root Bridge"
 static int acpi_pci_root_add(struct acpi_device *device,
 			     const struct acpi_device_id *not_used);
 static void acpi_pci_root_remove(struct acpi_device *device);
@@ -689,8 +687,6 @@ static int acpi_pci_root_add(struct acpi_device *device,
 
 	root->device = device;
 	root->segment = segment & 0xFFFF;
-	strscpy(acpi_device_name(device), ACPI_PCI_ROOT_DEVICE_NAME);
-	strscpy(acpi_device_class(device), ACPI_PCI_ROOT_CLASS);
 	device->driver_data = root;
 
 	if (hotadd && dmar_device_add(handle)) {
@@ -698,9 +694,8 @@ static int acpi_pci_root_add(struct acpi_device *device,
 		goto end;
 	}
 
-	pr_info("%s [%s] (domain %04x %pR)\n",
-	       acpi_device_name(device), acpi_device_bid(device),
-	       root->segment, &root->secondary);
+	pr_info("PCI Root Bridge [%s] (domain %04x %pR)\n",
+		acpi_device_bid(device), root->segment, &root->secondary);
 
 	root->mcfg_addr = acpi_pci_root_get_mcfg_addr(handle);
 
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 4611159..6b1680e 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -37,8 +37,6 @@
 #include "sleep.h"
 #include "internal.h"
 
-#define ACPI_POWER_CLASS		"power_resource"
-#define ACPI_POWER_DEVICE_NAME		"Power Resource"
 #define ACPI_POWER_RESOURCE_STATE_OFF	0x00
 #define ACPI_POWER_RESOURCE_STATE_ON	0x01
 #define ACPI_POWER_RESOURCE_STATE_UNKNOWN 0xFF
@@ -955,8 +953,6 @@ struct acpi_device *acpi_add_power_resource(acpi_handle handle)
 	mutex_init(&resource->resource_lock);
 	INIT_LIST_HEAD(&resource->list_node);
 	INIT_LIST_HEAD(&resource->dependents);
-	strscpy(acpi_device_name(device), ACPI_POWER_DEVICE_NAME);
-	strscpy(acpi_device_class(device), ACPI_POWER_CLASS);
 	device->power.state = ACPI_STATE_UNKNOWN;
 	device->flags.match_driver = true;
 
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index 8827097..cda8fd7 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -53,7 +53,7 @@ static void acpi_processor_notify(acpi_handle handle, u32 event, void *data)
 {
 	struct acpi_device *device = data;
 	struct acpi_processor *pr;
-	int saved;
+	int saved, ev_data = 0;
 
 	if (device->handle != handle)
 		return;
@@ -66,33 +66,27 @@ static void acpi_processor_notify(acpi_handle handle, u32 event, void *data)
 	case ACPI_PROCESSOR_NOTIFY_PERFORMANCE:
 		saved = pr->performance_platform_limit;
 		acpi_processor_ppc_has_changed(pr, 1);
-		if (saved == pr->performance_platform_limit)
-			break;
-		acpi_bus_generate_netlink_event(device->pnp.device_class,
-						  dev_name(&device->dev), event,
-						  pr->performance_platform_limit);
+		ev_data = pr->performance_platform_limit;
+		if (saved == ev_data)
+			return;
+
 		break;
 	case ACPI_PROCESSOR_NOTIFY_POWER:
 		acpi_processor_power_state_has_changed(pr);
-		acpi_bus_generate_netlink_event(device->pnp.device_class,
-						  dev_name(&device->dev), event, 0);
 		break;
 	case ACPI_PROCESSOR_NOTIFY_THROTTLING:
 		acpi_processor_tstate_has_changed(pr);
-		acpi_bus_generate_netlink_event(device->pnp.device_class,
-						  dev_name(&device->dev), event, 0);
 		break;
 	case ACPI_PROCESSOR_NOTIFY_HIGEST_PERF_CHANGED:
 		cpufreq_update_limits(pr->id);
-		acpi_bus_generate_netlink_event(device->pnp.device_class,
-						  dev_name(&device->dev), event, 0);
 		break;
 	default:
 		acpi_handle_debug(handle, "Unsupported event [0x%x]\n", event);
-		break;
+		return;
 	}
 
-	return;
+	acpi_bus_generate_netlink_event("processor", dev_name(&device->dev),
+					event, ev_data);
 }
 
 static int __acpi_processor_start(struct acpi_device *device);
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index f6c72e3..479995a 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -819,19 +819,13 @@ static void acpi_processor_setup_cstates(struct acpi_processor *pr)
 	drv->state_count = count;
 }
 
-static inline void acpi_processor_cstate_first_run_checks(void)
+static inline void acpi_processor_update_max_cstate(void)
 {
-	static int first_run;
-
-	if (first_run)
-		return;
 	dmi_check_system(processor_power_dmi_table);
 	max_cstate = acpi_processor_cstate_check(max_cstate);
 	if (max_cstate < ACPI_C_STATES_MAX)
 		pr_notice("processor limited to max C-state %d\n", max_cstate);
 
-	first_run++;
-
 	if (nocst)
 		return;
 
@@ -840,7 +834,7 @@ static inline void acpi_processor_cstate_first_run_checks(void)
 #else
 
 static inline int disabled_by_idle_boot_param(void) { return 0; }
-static inline void acpi_processor_cstate_first_run_checks(void) { }
+static inline void acpi_processor_update_max_cstate(void) { }
 static int acpi_processor_get_cstate_info(struct acpi_processor *pr)
 {
 	return -ENODEV;
@@ -1016,9 +1010,7 @@ static bool combine_lpi_states(struct acpi_lpi_state *local,
 	result->arch_flags = parent->arch_flags;
 	result->index = parent->index;
 
-	strscpy(result->desc, local->desc, ACPI_CX_DESC_LEN);
-	strlcat(result->desc, "+", ACPI_CX_DESC_LEN);
-	strlcat(result->desc, parent->desc, ACPI_CX_DESC_LEN);
+	scnprintf(result->desc, ACPI_CX_DESC_LEN, "%s+%s", local->desc, parent->desc);
 	return true;
 }
 
@@ -1068,6 +1060,8 @@ static unsigned int flatten_lpi_states(struct acpi_processor *pr,
 				stash_composite_state(curr_level, flpi);
 				flat_state_cnt++;
 				flpi++;
+				if (flat_state_cnt >= ACPI_PROCESSOR_MAX_POWER)
+					break;
 			}
 		}
 	}
@@ -1357,6 +1351,8 @@ void acpi_processor_register_idle_driver(void)
 	int ret = -ENODEV;
 	int cpu;
 
+	acpi_processor_update_max_cstate();
+
 	/*
 	 * ACPI idle driver is used by all possible CPUs.
 	 * Use the processor power info of one in them to set up idle states.
@@ -1368,7 +1364,6 @@ void acpi_processor_register_idle_driver(void)
 		if (!pr)
 			continue;
 
-		acpi_processor_cstate_first_run_checks();
 		ret = acpi_processor_get_power_info(pr);
 		if (!ret) {
 			pr->flags.power_setup_done = 1;
@@ -1409,8 +1404,6 @@ void acpi_processor_power_init(struct acpi_processor *pr)
 	if (disabled_by_idle_boot_param())
 		return;
 
-	acpi_processor_cstate_first_run_checks();
-
 	if (!acpi_processor_get_power_info(pr))
 		pr->flags.power_setup_done = 1;
 
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index bbd3938..440f1d6 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -26,8 +26,6 @@
 
 #include "sbshc.h"
 
-#define ACPI_SBS_CLASS			"sbs"
-#define ACPI_AC_CLASS			"ac_adapter"
 #define ACPI_SBS_DEVICE_NAME		"Smart Battery System"
 #define ACPI_BATTERY_DIR_NAME		"BAT%i"
 #define ACPI_AC_DIR_NAME		"AC0"
@@ -648,8 +646,6 @@ static int acpi_sbs_probe(struct platform_device *pdev)
 
 	sbs->hc = dev_get_drvdata(pdev->dev.parent);
 	sbs->device = device;
-	strscpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME);
-	strscpy(acpi_device_class(device), ACPI_SBS_CLASS);
 
 	result = acpi_charger_add(sbs);
 	if (result && result != -ENODEV)
diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index 3685083..f413270 100644
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -18,9 +18,6 @@
 #include "sbshc.h"
 #include "internal.h"
 
-#define ACPI_SMB_HC_CLASS	"smbus_host_ctl"
-#define ACPI_SMB_HC_DEVICE_NAME	"ACPI SMBus HC"
-
 struct acpi_smb_hc {
 	struct acpi_ec *ec;
 	struct mutex lock;
@@ -251,9 +248,6 @@ static int acpi_smbus_hc_probe(struct platform_device *pdev)
 		return -EIO;
 	}
 
-	strscpy(acpi_device_name(device), ACPI_SMB_HC_DEVICE_NAME);
-	strscpy(acpi_device_class(device), ACPI_SMB_HC_CLASS);
-
 	hc = kzalloc_obj(struct acpi_smb_hc);
 	if (!hc)
 		return -ENOMEM;
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 64356b0..b8b487d 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -35,7 +35,6 @@
 #include "internal.h"
 
 #define ACPI_THERMAL_CLASS		"thermal_zone"
-#define ACPI_THERMAL_DEVICE_NAME	"Thermal Zone"
 #define ACPI_THERMAL_NOTIFY_TEMPERATURE	0x80
 #define ACPI_THERMAL_NOTIFY_THRESHOLDS	0x81
 #define ACPI_THERMAL_NOTIFY_DEVICES	0x82
@@ -341,7 +340,7 @@ static void acpi_thermal_trips_update(struct acpi_thermal *tz, u32 event)
 	thermal_zone_for_each_trip(tz->thermal_zone,
 				   acpi_thermal_adjust_trip, &atd);
 	acpi_queue_thermal_check(tz);
-	acpi_bus_generate_netlink_event(adev->pnp.device_class,
+	acpi_bus_generate_netlink_event(ACPI_THERMAL_CLASS,
 					dev_name(&adev->dev), event, 0);
 }
 
@@ -543,7 +542,7 @@ static void acpi_thermal_zone_device_hot(struct thermal_zone_device *thermal)
 {
 	struct acpi_thermal *tz = thermal_zone_device_priv(thermal);
 
-	acpi_bus_generate_netlink_event(tz->device->pnp.device_class,
+	acpi_bus_generate_netlink_event(ACPI_THERMAL_CLASS,
 					dev_name(&tz->device->dev),
 					ACPI_THERMAL_NOTIFY_HOT, 1);
 }
@@ -552,7 +551,7 @@ static void acpi_thermal_zone_device_critical(struct thermal_zone_device *therma
 {
 	struct acpi_thermal *tz = thermal_zone_device_priv(thermal);
 
-	acpi_bus_generate_netlink_event(tz->device->pnp.device_class,
+	acpi_bus_generate_netlink_event(ACPI_THERMAL_CLASS,
 					dev_name(&tz->device->dev),
 					ACPI_THERMAL_NOTIFY_CRITICAL, 1);
 
@@ -800,8 +799,6 @@ static int acpi_thermal_probe(struct platform_device *pdev)
 
 	tz->device = device;
 	strscpy(tz->name, device->pnp.bus_id);
-	strscpy(acpi_device_name(device), ACPI_THERMAL_DEVICE_NAME);
-	strscpy(acpi_device_class(device), ACPI_THERMAL_CLASS);
 
 	acpi_thermal_aml_dependency_fix(tz);
 
@@ -879,8 +876,8 @@ static int acpi_thermal_probe(struct platform_device *pdev)
 	mutex_init(&tz->thermal_check_lock);
 	INIT_WORK(&tz->thermal_check_work, acpi_thermal_check_fn);
 
-	pr_info("%s [%s] (%ld C)\n", acpi_device_name(device),
-		acpi_device_bid(device), deci_kelvin_to_celsius(tz->temp_dk));
+	pr_info("Thermal Zone [%s] (%ld C)\n", acpi_device_bid(device),
+		deci_kelvin_to_celsius(tz->temp_dk));
 
 	result = acpi_dev_install_notify_handler(device, ACPI_DEVICE_NOTIFY,
 						 acpi_thermal_notify, tz);
diff --git a/drivers/acpi/x86/cmos_rtc.c b/drivers/acpi/x86/cmos_rtc.c
index 51643ff..ced334e 100644
--- a/drivers/acpi/x86/cmos_rtc.c
+++ b/drivers/acpi/x86/cmos_rtc.c
@@ -18,78 +18,86 @@
 #include "../internal.h"
 
 static const struct acpi_device_id acpi_cmos_rtc_ids[] = {
-	{ "PNP0B00" },
-	{ "PNP0B01" },
-	{ "PNP0B02" },
-	{}
+	{ "ACPI000E", 1 }, /* ACPI Time and Alarm Device (TAD) */
+	ACPI_CMOS_RTC_IDS
 };
 
-static acpi_status
-acpi_cmos_rtc_space_handler(u32 function, acpi_physical_address address,
-		      u32 bits, u64 *value64,
-		      void *handler_context, void *region_context)
+bool cmos_rtc_platform_device_present;
+
+static acpi_status acpi_cmos_rtc_space_handler(u32 function,
+					       acpi_physical_address address,
+					       u32 bits, u64 *value64,
+					       void *handler_context,
+					       void *region_context)
 {
-	int i;
+	unsigned int i, bytes = DIV_ROUND_UP(bits, 8);
 	u8 *value = (u8 *)value64;
 
 	if (address > 0xff || !value64)
 		return AE_BAD_PARAMETER;
 
-	if (function != ACPI_WRITE && function != ACPI_READ)
-		return AE_BAD_PARAMETER;
+	guard(spinlock_irq)(&rtc_lock);
 
-	spin_lock_irq(&rtc_lock);
-
-	for (i = 0; i < DIV_ROUND_UP(bits, 8); ++i, ++address, ++value)
-		if (function == ACPI_READ)
-			*value = CMOS_READ(address);
-		else
+	if (function == ACPI_WRITE) {
+		for (i = 0; i < bytes; i++, address++, value++)
 			CMOS_WRITE(*value, address);
 
-	spin_unlock_irq(&rtc_lock);
+		return AE_OK;
+	}
 
-	return AE_OK;
+	if (function == ACPI_READ) {
+		for (i = 0; i < bytes; i++, address++, value++)
+			*value = CMOS_READ(address);
+
+		return AE_OK;
+	}
+
+	return AE_BAD_PARAMETER;
 }
 
-int acpi_install_cmos_rtc_space_handler(acpi_handle handle)
+static int acpi_install_cmos_rtc_space_handler(acpi_handle handle)
 {
+	static bool cmos_rtc_space_handler_present __read_mostly;
 	acpi_status status;
 
+	if (cmos_rtc_space_handler_present)
+		return 0;
+
 	status = acpi_install_address_space_handler(handle,
-			ACPI_ADR_SPACE_CMOS,
-			&acpi_cmos_rtc_space_handler,
-			NULL, NULL);
+						    ACPI_ADR_SPACE_CMOS,
+						    acpi_cmos_rtc_space_handler,
+						    NULL, NULL);
 	if (ACPI_FAILURE(status)) {
-		pr_err("Error installing CMOS-RTC region handler\n");
+		pr_err("Failed to install CMOS-RTC address space handler\n");
 		return -ENODEV;
 	}
 
+	cmos_rtc_space_handler_present = true;
+
 	return 1;
 }
-EXPORT_SYMBOL_GPL(acpi_install_cmos_rtc_space_handler);
 
-void acpi_remove_cmos_rtc_space_handler(acpi_handle handle)
+static int acpi_cmos_rtc_attach(struct acpi_device *adev,
+				const struct acpi_device_id *id)
 {
-	if (ACPI_FAILURE(acpi_remove_address_space_handler(handle,
-			ACPI_ADR_SPACE_CMOS, &acpi_cmos_rtc_space_handler)))
-		pr_err("Error removing CMOS-RTC region handler\n");
-}
-EXPORT_SYMBOL_GPL(acpi_remove_cmos_rtc_space_handler);
+	int ret;
 
-static int acpi_cmos_rtc_attach_handler(struct acpi_device *adev, const struct acpi_device_id *id)
-{
-	return acpi_install_cmos_rtc_space_handler(adev->handle);
-}
+	ret = acpi_install_cmos_rtc_space_handler(adev->handle);
+	if (ret < 0)
+		return ret;
 
-static void acpi_cmos_rtc_detach_handler(struct acpi_device *adev)
-{
-	acpi_remove_cmos_rtc_space_handler(adev->handle);
+	if (IS_ERR_OR_NULL(acpi_create_platform_device(adev, NULL))) {
+		pr_err("Failed to create a platform device for %s\n", (char *)id->id);
+		return 0;
+	} else if (!id->driver_data) {
+		cmos_rtc_platform_device_present = true;
+	}
+	return 1;
 }
 
 static struct acpi_scan_handler cmos_rtc_handler = {
 	.ids = acpi_cmos_rtc_ids,
-	.attach = acpi_cmos_rtc_attach_handler,
-	.detach = acpi_cmos_rtc_detach_handler,
+	.attach = acpi_cmos_rtc_attach,
 };
 
 void __init acpi_cmos_rtc_init(void)
diff --git a/drivers/base/auxiliary.c b/drivers/base/auxiliary.c
index 9fd3820..11949d6 100644
--- a/drivers/base/auxiliary.c
+++ b/drivers/base/auxiliary.c
@@ -502,6 +502,16 @@ struct auxiliary_device *__devm_auxiliary_device_create(struct device *dev,
 }
 EXPORT_SYMBOL_GPL(__devm_auxiliary_device_create);
 
+/**
+ * dev_is_auxiliary - check if the device is an auxiliary one
+ * @dev: device to check
+ */
+bool dev_is_auxiliary(struct device *dev)
+{
+	return dev->bus == &auxiliary_bus_type;
+}
+EXPORT_SYMBOL_GPL(dev_is_auxiliary);
+
 void __init auxiliary_bus_init(void)
 {
 	WARN_ON(bus_register(&auxiliary_bus_type));
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 60dd09a..d396823 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -34,6 +34,7 @@
 #include <linux/io.h>
 #include <linux/acpi.h>
 #include <linux/hpet.h>
+#include <linux/platform_device.h>
 #include <asm/current.h>
 #include <asm/irq.h>
 #include <asm/div64.h>
@@ -971,8 +972,9 @@ static acpi_status hpet_resources(struct acpi_resource *res, void *data)
 	return AE_OK;
 }
 
-static int hpet_acpi_add(struct acpi_device *device)
+static int hpet_acpi_probe(struct platform_device *pdev)
 {
+	struct acpi_device *device = ACPI_COMPANION(&pdev->dev);
 	acpi_status result;
 	struct hpet_data data;
 
@@ -1000,12 +1002,12 @@ static const struct acpi_device_id hpet_device_ids[] = {
 	{"", 0},
 };
 
-static struct acpi_driver hpet_acpi_driver = {
-	.name = "hpet",
-	.ids = hpet_device_ids,
-	.ops = {
-		.add = hpet_acpi_add,
-		},
+static struct platform_driver hpet_acpi_driver = {
+	.probe = hpet_acpi_probe,
+	.driver = {
+		.name = "hpet_acpi",
+		.acpi_match_table = hpet_device_ids,
+	},
 };
 
 static struct miscdevice hpet_misc = { HPET_MINOR, "hpet", &hpet_fops };
@@ -1020,7 +1022,7 @@ static int __init hpet_init(void)
 
 	sysctl_header = register_sysctl("dev/hpet", hpet_table);
 
-	result = acpi_bus_register_driver(&hpet_acpi_driver);
+	result = platform_driver_register(&hpet_acpi_driver);
 	if (result < 0) {
 		unregister_sysctl_table(sysctl_header);
 		misc_deregister(&hpet_misc);
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index 677bb5a..ccda997 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -1115,15 +1115,17 @@ static int sonypi_disable(void)
 }
 
 #ifdef CONFIG_ACPI
-static int sonypi_acpi_add(struct acpi_device *device)
+static int sonypi_acpi_probe(struct platform_device *pdev)
 {
+	struct acpi_device *device = ACPI_COMPANION(&pdev->dev);
+
 	sonypi_acpi_device = device;
 	strcpy(acpi_device_name(device), "Sony laptop hotkeys");
 	strcpy(acpi_device_class(device), "sony/hotkey");
 	return 0;
 }
 
-static void sonypi_acpi_remove(struct acpi_device *device)
+static void sonypi_acpi_remove(struct platform_device *pdev)
 {
 	sonypi_acpi_device = NULL;
 }
@@ -1133,13 +1135,12 @@ static const struct acpi_device_id sonypi_device_ids[] = {
 	{"", 0},
 };
 
-static struct acpi_driver sonypi_acpi_driver = {
-	.name           = "sonypi",
-	.class          = "hkey",
-	.ids            = sonypi_device_ids,
-	.ops            = {
-		           .add = sonypi_acpi_add,
-			   .remove = sonypi_acpi_remove,
+static struct platform_driver sonypi_acpi_driver = {
+	.probe = sonypi_acpi_probe,
+	.remove = sonypi_acpi_remove,
+	.driver = {
+		.name = "sonypi_acpi",
+		.acpi_match_table = sonypi_device_ids,
 	},
 };
 #endif
@@ -1518,8 +1519,8 @@ static int __init sonypi_init(void)
 		goto err_free_device;
 
 #ifdef CONFIG_ACPI
-	if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
-		acpi_driver_registered = 1;
+	error = platform_driver_register(&sonypi_acpi_driver);
+	acpi_driver_registered = !error;
 #endif
 
 	return 0;
@@ -1535,7 +1536,7 @@ static void __exit sonypi_exit(void)
 {
 #ifdef CONFIG_ACPI
 	if (acpi_driver_registered)
-		acpi_bus_unregister_driver(&sonypi_acpi_driver);
+		platform_driver_unregister(&sonypi_acpi_driver);
 #endif
 	platform_device_unregister(sonypi_platform_device);
 	platform_driver_unregister(&sonypi_driver);
diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
index e7eff6c..21639d9 100644
--- a/drivers/cpufreq/acpi-cpufreq.c
+++ b/drivers/cpufreq/acpi-cpufreq.c
@@ -675,6 +675,29 @@ static inline u64 get_max_boost_ratio(unsigned int cpu, u64 *nominal_freq)
 }
 #endif
 
+static void acpi_cpufreq_resolve_max_freq(struct cpufreq_policy *policy,
+					  unsigned int pss_max_freq)
+{
+#ifdef CONFIG_ACPI_CPPC_LIB
+	u64 max_speed = cppc_get_dmi_max_khz();
+	/*
+	 * Use DMI "Max Speed" if it looks plausible: must be
+	 * above _PSS P0 frequency and within 2x of it.
+	 */
+	if (max_speed > pss_max_freq && max_speed < pss_max_freq * 2) {
+		policy->cpuinfo.max_freq = max_speed;
+		return;
+	}
+#endif
+	/*
+	 * If the maximum "boost" frequency is unknown, ask the arch
+	 * scale-invariance code to use the "nominal" performance for
+	 * CPU utilization scaling so as to prevent the schedutil
+	 * governor from selecting inadequate CPU frequencies.
+	 */
+	arch_set_max_freq_ratio(true);
+}
+
 static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
 {
 	struct cpufreq_frequency_table *freq_table;
@@ -849,13 +872,7 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
 
 		policy->cpuinfo.max_freq = freq * max_boost_ratio >> SCHED_CAPACITY_SHIFT;
 	} else {
-		/*
-		 * If the maximum "boost" frequency is unknown, ask the arch
-		 * scale-invariance code to use the "nominal" performance for
-		 * CPU utilization scaling so as to prevent the schedutil
-		 * governor from selecting inadequate CPU frequencies.
-		 */
-		arch_set_max_freq_ratio(true);
+		acpi_cpufreq_resolve_max_freq(policy, freq_table[0].frequency);
 	}
 
 	policy->freq_table = freq_table;
diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c
index 011f35c..5dfb109 100644
--- a/drivers/cpufreq/cppc_cpufreq.c
+++ b/drivers/cpufreq/cppc_cpufreq.c
@@ -50,7 +50,8 @@ struct cppc_freq_invariance {
 static DEFINE_PER_CPU(struct cppc_freq_invariance, cppc_freq_inv);
 static struct kthread_worker *kworker_fie;
 
-static int cppc_perf_from_fbctrs(struct cppc_perf_fb_ctrs *fb_ctrs_t0,
+static int cppc_perf_from_fbctrs(u64 reference_perf,
+				 struct cppc_perf_fb_ctrs *fb_ctrs_t0,
 				 struct cppc_perf_fb_ctrs *fb_ctrs_t1);
 
 /**
@@ -70,7 +71,7 @@ static void __cppc_scale_freq_tick(struct cppc_freq_invariance *cppc_fi)
 	struct cppc_perf_fb_ctrs fb_ctrs = {0};
 	struct cppc_cpudata *cpu_data;
 	unsigned long local_freq_scale;
-	u64 perf;
+	u64 perf, ref_perf;
 
 	cpu_data = cppc_fi->cpu_data;
 
@@ -79,7 +80,9 @@ static void __cppc_scale_freq_tick(struct cppc_freq_invariance *cppc_fi)
 		return;
 	}
 
-	perf = cppc_perf_from_fbctrs(&cppc_fi->prev_perf_fb_ctrs, &fb_ctrs);
+	ref_perf = cpu_data->perf_caps.reference_perf;
+	perf = cppc_perf_from_fbctrs(ref_perf,
+				     &cppc_fi->prev_perf_fb_ctrs, &fb_ctrs);
 	if (!perf)
 		return;
 
@@ -287,6 +290,21 @@ static inline void cppc_freq_invariance_exit(void)
 }
 #endif /* CONFIG_ACPI_CPPC_CPUFREQ_FIE */
 
+static void cppc_cpufreq_update_perf_limits(struct cppc_cpudata *cpu_data,
+					    struct cpufreq_policy *policy)
+{
+	struct cppc_perf_caps *caps = &cpu_data->perf_caps;
+	u32 min_perf, max_perf;
+
+	min_perf = cppc_khz_to_perf(caps, policy->min);
+	max_perf = cppc_khz_to_perf(caps, policy->max);
+
+	cpu_data->perf_ctrls.min_perf =
+		clamp_t(u32, min_perf, caps->lowest_perf, caps->highest_perf);
+	cpu_data->perf_ctrls.max_perf =
+		clamp_t(u32, max_perf, caps->lowest_perf, caps->highest_perf);
+}
+
 static int cppc_cpufreq_set_target(struct cpufreq_policy *policy,
 				   unsigned int target_freq,
 				   unsigned int relation)
@@ -298,6 +316,8 @@ static int cppc_cpufreq_set_target(struct cpufreq_policy *policy,
 
 	cpu_data->perf_ctrls.desired_perf =
 			cppc_khz_to_perf(&cpu_data->perf_caps, target_freq);
+	cppc_cpufreq_update_perf_limits(cpu_data, policy);
+
 	freqs.old = policy->cur;
 	freqs.new = target_freq;
 
@@ -322,8 +342,9 @@ static unsigned int cppc_cpufreq_fast_switch(struct cpufreq_policy *policy,
 
 	desired_perf = cppc_khz_to_perf(&cpu_data->perf_caps, target_freq);
 	cpu_data->perf_ctrls.desired_perf = desired_perf;
-	ret = cppc_set_perf(cpu, &cpu_data->perf_ctrls);
+	cppc_cpufreq_update_perf_limits(cpu_data, policy);
 
+	ret = cppc_set_perf(cpu, &cpu_data->perf_ctrls);
 	if (ret) {
 		pr_debug("Failed to set target on CPU:%d. ret:%d\n",
 			 cpu, ret);
@@ -594,6 +615,12 @@ static struct cppc_cpudata *cppc_cpufreq_get_cpu_data(unsigned int cpu)
 		goto free_mask;
 	}
 
+	ret = cppc_get_perf(cpu, &cpu_data->perf_ctrls);
+	if (ret) {
+		pr_debug("Err reading CPU%d perf ctrls: ret:%d\n", cpu, ret);
+		goto free_mask;
+	}
+
 	return cpu_data;
 
 free_mask:
@@ -723,13 +750,11 @@ static inline u64 get_delta(u64 t1, u64 t0)
 	return (u32)t1 - (u32)t0;
 }
 
-static int cppc_perf_from_fbctrs(struct cppc_perf_fb_ctrs *fb_ctrs_t0,
+static int cppc_perf_from_fbctrs(u64 reference_perf,
+				 struct cppc_perf_fb_ctrs *fb_ctrs_t0,
 				 struct cppc_perf_fb_ctrs *fb_ctrs_t1)
 {
 	u64 delta_reference, delta_delivered;
-	u64 reference_perf;
-
-	reference_perf = fb_ctrs_t0->reference_perf;
 
 	delta_reference = get_delta(fb_ctrs_t1->reference,
 				    fb_ctrs_t0->reference);
@@ -766,7 +791,7 @@ static unsigned int cppc_cpufreq_get_rate(unsigned int cpu)
 	struct cpufreq_policy *policy __free(put_cpufreq_policy) = cpufreq_cpu_get(cpu);
 	struct cppc_perf_fb_ctrs fb_ctrs_t0 = {0}, fb_ctrs_t1 = {0};
 	struct cppc_cpudata *cpu_data;
-	u64 delivered_perf;
+	u64 delivered_perf, reference_perf;
 	int ret;
 
 	if (!policy)
@@ -783,7 +808,9 @@ static unsigned int cppc_cpufreq_get_rate(unsigned int cpu)
 			return 0;
 	}
 
-	delivered_perf = cppc_perf_from_fbctrs(&fb_ctrs_t0, &fb_ctrs_t1);
+	reference_perf = cpu_data->perf_caps.reference_perf;
+	delivered_perf = cppc_perf_from_fbctrs(reference_perf,
+					       &fb_ctrs_t0, &fb_ctrs_t1);
 	if (!delivered_perf)
 		goto out_invalid_counters;
 
@@ -849,6 +876,7 @@ static ssize_t show_auto_select(struct cpufreq_policy *policy, char *buf)
 static ssize_t store_auto_select(struct cpufreq_policy *policy,
 				 const char *buf, size_t count)
 {
+	struct cppc_cpudata *cpu_data = policy->driver_data;
 	bool val;
 	int ret;
 
@@ -860,6 +888,29 @@ static ssize_t store_auto_select(struct cpufreq_policy *policy,
 	if (ret)
 		return ret;
 
+	cpu_data->perf_ctrls.auto_sel = val;
+
+	if (val) {
+		u32 old_min_perf = cpu_data->perf_ctrls.min_perf;
+		u32 old_max_perf = cpu_data->perf_ctrls.max_perf;
+
+		/*
+		 * When enabling autonomous selection, program MIN_PERF and
+		 * MAX_PERF from current policy limits so that the platform
+		 * uses the correct performance bounds immediately.
+		 */
+		cppc_cpufreq_update_perf_limits(cpu_data, policy);
+
+		ret = cppc_set_perf(policy->cpu, &cpu_data->perf_ctrls);
+		if (ret) {
+			cpu_data->perf_ctrls.min_perf = old_min_perf;
+			cpu_data->perf_ctrls.max_perf = old_max_perf;
+			cppc_set_auto_sel(policy->cpu, false);
+			cpu_data->perf_ctrls.auto_sel = false;
+			return ret;
+		}
+	}
+
 	return count;
 }
 
@@ -910,19 +961,48 @@ static ssize_t store_##_name(struct cpufreq_policy *policy,		\
 CPPC_CPUFREQ_ATTR_RW_U64(auto_act_window, cppc_get_auto_act_window,
 			 cppc_set_auto_act_window)
 
-CPPC_CPUFREQ_ATTR_RW_U64(energy_performance_preference_val,
-			 cppc_get_epp_perf, cppc_set_epp)
+static ssize_t
+show_energy_performance_preference_val(struct cpufreq_policy *policy, char *buf)
+{
+	return cppc_cpufreq_sysfs_show_u64(policy->cpu, cppc_get_epp_perf, buf);
+}
+
+static ssize_t
+store_energy_performance_preference_val(struct cpufreq_policy *policy,
+					const char *buf, size_t count)
+{
+	struct cppc_cpudata *cpu_data = policy->driver_data;
+	u64 val;
+	int ret;
+
+	ret = kstrtou64(buf, 0, &val);
+	if (ret)
+		return ret;
+
+	ret = cppc_set_epp(policy->cpu, val);
+	if (ret)
+		return ret;
+
+	cpu_data->perf_ctrls.energy_perf = val;
+
+	return count;
+}
+
+CPPC_CPUFREQ_ATTR_RW_U64(perf_limited, cppc_get_perf_limited,
+			 cppc_set_perf_limited)
 
 cpufreq_freq_attr_ro(freqdomain_cpus);
 cpufreq_freq_attr_rw(auto_select);
 cpufreq_freq_attr_rw(auto_act_window);
 cpufreq_freq_attr_rw(energy_performance_preference_val);
+cpufreq_freq_attr_rw(perf_limited);
 
 static struct freq_attr *cppc_cpufreq_attr[] = {
 	&freqdomain_cpus,
 	&auto_select,
 	&auto_act_window,
 	&energy_performance_preference_val,
+	&perf_limited,
 	NULL,
 };
 
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 277884d..0f926ee 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1427,12 +1427,9 @@ static int cpufreq_policy_online(struct cpufreq_policy *policy,
 		 * If there is a problem with its frequency table, take it
 		 * offline and drop it.
 		 */
-		if (policy->freq_table_sorted != CPUFREQ_TABLE_SORTED_ASCENDING &&
-		    policy->freq_table_sorted != CPUFREQ_TABLE_SORTED_DESCENDING) {
-			ret = cpufreq_table_validate_and_sort(policy);
-			if (ret)
-				goto out_offline_policy;
-		}
+		ret = cpufreq_table_validate_and_sort(policy);
+		if (ret)
+			goto out_offline_policy;
 
 		/* related_cpus should at least include policy->cpus. */
 		cpumask_copy(policy->related_cpus, policy->cpus);
@@ -2367,8 +2364,8 @@ int __cpufreq_driver_target(struct cpufreq_policy *policy,
 	target_freq = __resolve_freq(policy, target_freq, policy->min,
 				     policy->max, relation);
 
-	pr_debug("target for CPU %u: %u kHz, relation %u, requested %u kHz\n",
-		 policy->cpu, target_freq, relation, old_target_freq);
+	pr_debug("CPU %u: cur %u kHz -> target %u kHz (req %u kHz, rel %u)\n",
+		policy->cpu, policy->cur, target_freq, old_target_freq, relation);
 
 	/*
 	 * This might look like a redundant call as we are checking it again
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index e0e8477..df01d33 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -313,6 +313,17 @@ static void cs_start(struct cpufreq_policy *policy)
 	dbs_info->requested_freq = policy->cur;
 }
 
+static void cs_limits(struct cpufreq_policy *policy)
+{
+	struct cs_policy_dbs_info *dbs_info = to_dbs_info(policy->governor_data);
+
+	/*
+	 * The limits have changed, so may have the current frequency. Reset
+	 * requested_freq to avoid any unintended outcomes due to the mismatch.
+	 */
+	dbs_info->requested_freq = policy->cur;
+}
+
 static struct dbs_governor cs_governor = {
 	.gov = CPUFREQ_DBS_GOVERNOR_INITIALIZER("conservative"),
 	.kobj_type = { .default_groups = cs_groups },
@@ -322,6 +333,7 @@ static struct dbs_governor cs_governor = {
 	.init = cs_init,
 	.exit = cs_exit,
 	.start = cs_start,
+	.limits = cs_limits,
 };
 
 #define CPU_FREQ_GOV_CONSERVATIVE	(cs_governor.gov)
diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c
index 36eb7ae..acf1018 100644
--- a/drivers/cpufreq/cpufreq_governor.c
+++ b/drivers/cpufreq/cpufreq_governor.c
@@ -563,6 +563,7 @@ EXPORT_SYMBOL_GPL(cpufreq_dbs_governor_stop);
 
 void cpufreq_dbs_governor_limits(struct cpufreq_policy *policy)
 {
+	struct dbs_governor *gov = dbs_governor_of(policy);
 	struct policy_dbs_info *policy_dbs;
 
 	/* Protect gov->gdbs_data against cpufreq_dbs_governor_exit() */
@@ -574,6 +575,8 @@ void cpufreq_dbs_governor_limits(struct cpufreq_policy *policy)
 	mutex_lock(&policy_dbs->update_mutex);
 	cpufreq_policy_apply_limits(policy);
 	gov_update_sample_delay(policy_dbs, 0);
+	if (gov->limits)
+		gov->limits(policy);
 	mutex_unlock(&policy_dbs->update_mutex);
 
 out:
diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h
index 168c23f..73b8ed7 100644
--- a/drivers/cpufreq/cpufreq_governor.h
+++ b/drivers/cpufreq/cpufreq_governor.h
@@ -21,6 +21,7 @@
 #include <linux/kernel_stat.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
+#include <linux/sysfs.h>
 
 /* Ondemand Sampling types */
 enum {OD_NORMAL_SAMPLE, OD_SUB_SAMPLE};
@@ -57,7 +58,7 @@ static ssize_t file_name##_show						\
 {									\
 	struct dbs_data *dbs_data = to_dbs_data(attr_set);		\
 	struct _gov##_dbs_tuners *tuners = dbs_data->tuners;		\
-	return sprintf(buf, "%u\n", tuners->file_name);			\
+	return sysfs_emit(buf, "%u\n", tuners->file_name);		\
 }
 
 #define gov_show_one_common(file_name)					\
@@ -65,7 +66,7 @@ static ssize_t file_name##_show						\
 (struct gov_attr_set *attr_set, char *buf)				\
 {									\
 	struct dbs_data *dbs_data = to_dbs_data(attr_set);		\
-	return sprintf(buf, "%u\n", dbs_data->file_name);		\
+	return sysfs_emit(buf, "%u\n", dbs_data->file_name);		\
 }
 
 #define gov_attr_ro(_name)						\
@@ -138,6 +139,7 @@ struct dbs_governor {
 	int (*init)(struct dbs_data *dbs_data);
 	void (*exit)(struct dbs_data *dbs_data);
 	void (*start)(struct cpufreq_policy *policy);
+	void (*limits)(struct cpufreq_policy *policy);
 };
 
 static inline struct dbs_governor *dbs_governor_of(struct cpufreq_policy *policy)
diff --git a/drivers/cpufreq/freq_table.c b/drivers/cpufreq/freq_table.c
index 7f251daf0..5b364d8 100644
--- a/drivers/cpufreq/freq_table.c
+++ b/drivers/cpufreq/freq_table.c
@@ -360,6 +360,10 @@ int cpufreq_table_validate_and_sort(struct cpufreq_policy *policy)
 	if (policy_has_boost_freq(policy))
 		policy->boost_supported = true;
 
+	if (policy->freq_table_sorted == CPUFREQ_TABLE_SORTED_ASCENDING ||
+	    policy->freq_table_sorted == CPUFREQ_TABLE_SORTED_DESCENDING)
+		return 0;
+
 	return set_freq_table_sorted(policy);
 }
 
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 11c58af..51938c5 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -3472,7 +3472,7 @@ static int intel_pstate_update_status(const char *buf, size_t size)
 {
 	if (size == 3 && !strncmp(buf, "off", size)) {
 		if (!intel_pstate_driver)
-			return -EINVAL;
+			return 0;
 
 		if (hwp_active)
 			return -EBUSY;
diff --git a/drivers/cpuidle/governors/gov.h b/drivers/cpuidle/governors/gov.h
index 99e067d..cd06a2e 100644
--- a/drivers/cpuidle/governors/gov.h
+++ b/drivers/cpuidle/governors/gov.h
@@ -10,5 +10,10 @@
  * check the time till the closest expected timer event.
  */
 #define RESIDENCY_THRESHOLD_NS	(15 * NSEC_PER_USEC)
+/*
+ * If the closest timer is in this range, the governor idle state selection need
+ * not be adjusted after the scheduler tick has been stopped.
+ */
+#define SAFE_TIMER_RANGE_NS	(2 * TICK_NSEC)
 
 #endif /* __CPUIDLE_GOVERNOR_H */
diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c
index 899ff16..544a5d59 100644
--- a/drivers/cpuidle/governors/menu.c
+++ b/drivers/cpuidle/governors/menu.c
@@ -261,13 +261,16 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,
 		predicted_ns = min((u64)timer_us * NSEC_PER_USEC, predicted_ns);
 		/*
 		 * If the tick is already stopped, the cost of possible short
-		 * idle duration misprediction is much higher, because the CPU
-		 * may be stuck in a shallow idle state for a long time as a
-		 * result of it.  In that case, say we might mispredict and use
-		 * the known time till the closest timer event for the idle
-		 * state selection.
+		 * idle duration misprediction is higher because the CPU may get
+		 * stuck in a shallow idle state then.  To avoid that, if
+		 * predicted_ns is small enough, say it might be mispredicted
+		 * and use the known time till the closest timer for idle state
+		 * selection unless that timer is going to trigger within
+		 * SAFE_TIMER_RANGE_NS in which case it can be regarded as a
+		 * sufficient safety net.
 		 */
-		if (tick_nohz_tick_stopped() && predicted_ns < TICK_NSEC)
+		if (tick_nohz_tick_stopped() && predicted_ns < TICK_NSEC &&
+		    data->next_timer_ns > SAFE_TIMER_RANGE_NS)
 			predicted_ns = data->next_timer_ns;
 	} else {
 		/*
diff --git a/drivers/cpuidle/governors/teo.c b/drivers/cpuidle/governors/teo.c
index bec0142..ac43b9b 100644
--- a/drivers/cpuidle/governors/teo.c
+++ b/drivers/cpuidle/governors/teo.c
@@ -407,50 +407,13 @@ static int teo_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,
 	 * better choice.
 	 */
 	if (2 * idx_intercept_sum > cpu_data->total - idx_hit_sum) {
-		int min_idx = idx0;
-
-		if (tick_nohz_tick_stopped()) {
-			/*
-			 * Look for the shallowest idle state below the current
-			 * candidate one whose target residency is at least
-			 * equal to the tick period length.
-			 */
-			while (min_idx < idx &&
-			       drv->states[min_idx].target_residency_ns < TICK_NSEC)
-				min_idx++;
-
-			/*
-			 * Avoid selecting a state with a lower index, but with
-			 * the same target residency as the current candidate
-			 * one.
-			 */
-			if (drv->states[min_idx].target_residency_ns ==
-					drv->states[idx].target_residency_ns)
-				goto constraint;
-		}
-
-		/*
-		 * If the minimum state index is greater than or equal to the
-		 * index of the state with the maximum intercepts metric and
-		 * the corresponding state is enabled, there is no need to look
-		 * at the deeper states.
-		 */
-		if (min_idx >= intercept_max_idx &&
-		    !dev->states_usage[min_idx].disable) {
-			idx = min_idx;
-			goto constraint;
-		}
-
 		/*
 		 * Look for the deepest enabled idle state, at most as deep as
 		 * the one with the maximum intercepts metric, whose target
 		 * residency had not been greater than the idle duration in over
 		 * a half of the relevant cases in the past.
-		 *
-		 * Take the possible duration limitation present if the tick
-		 * has been stopped already into account.
 		 */
-		for (i = idx - 1, intercept_sum = 0; i >= min_idx; i--) {
+		for (i = idx - 1, intercept_sum = 0; i >= idx0; i--) {
 			intercept_sum += cpu_data->state_bins[i].intercepts;
 
 			if (dev->states_usage[i].disable)
@@ -463,7 +426,6 @@ static int teo_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,
 		}
 	}
 
-constraint:
 	/*
 	 * If there is a latency constraint, it may be necessary to select an
 	 * idle state shallower than the current candidate one.
@@ -472,13 +434,13 @@ static int teo_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,
 		idx = constraint_idx;
 
 	/*
-	 * If either the candidate state is state 0 or its target residency is
-	 * low enough, there is basically nothing more to do, but if the sleep
-	 * length is not updated, the subsequent wakeup will be counted as an
-	 * "intercept" which may be problematic in the cases when timer wakeups
-	 * are dominant.  Namely, it may effectively prevent deeper idle states
-	 * from being selected at one point even if no imminent timers are
-	 * scheduled.
+	 * If the tick has not been stopped and either the candidate state is
+	 * state 0 or its target residency is low enough, there is basically
+	 * nothing more to do, but if the sleep length is not updated, the
+	 * subsequent wakeup will be counted as an "intercept".  That may be
+	 * problematic in the cases when timer wakeups are dominant because it
+	 * may effectively prevent deeper idle states from being selected at one
+	 * point even if no imminent timers are scheduled.
 	 *
 	 * However, frequent timers in the RESIDENCY_THRESHOLD_NS range on one
 	 * CPU are unlikely (user space has a default 50 us slack value for
@@ -494,7 +456,8 @@ static int teo_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,
 	 * shallow idle states regardless of the wakeup type, so the sleep
 	 * length need not be known in that case.
 	 */
-	if ((!idx || drv->states[idx].target_residency_ns < RESIDENCY_THRESHOLD_NS) &&
+	if (!tick_nohz_tick_stopped() && (!idx ||
+	     drv->states[idx].target_residency_ns < RESIDENCY_THRESHOLD_NS) &&
 	    (2 * cpu_data->short_idles >= cpu_data->total ||
 	     latency_req < LATENCY_THRESHOLD_NS))
 		goto out_tick;
@@ -502,6 +465,30 @@ static int teo_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,
 	duration_ns = tick_nohz_get_sleep_length(&delta_tick);
 	cpu_data->sleep_length_ns = duration_ns;
 
+	/*
+	 * If the tick has been stopped and the closest timer is too far away,
+	 * update the selection to prevent the CPU from getting stuck in a
+	 * shallow idle state for too long.
+	 */
+	if (tick_nohz_tick_stopped() && duration_ns > SAFE_TIMER_RANGE_NS &&
+	    drv->states[idx].target_residency_ns < TICK_NSEC) {
+		/*
+		 * Look for the deepest enabled idle state with exit latency
+		 * within the PM QoS limit and with target residency within
+		 * duration_ns.
+		 */
+		for (i = constraint_idx; i > idx; i--) {
+			if (dev->states_usage[i].disable)
+				continue;
+
+			if (drv->states[i].target_residency_ns <= duration_ns) {
+				idx = i;
+				break;
+			}
+		}
+		return idx;
+	}
+
 	if (!idx)
 		goto out_tick;
 
diff --git a/drivers/gpu/drm/amd/include/amd_acpi.h b/drivers/gpu/drm/amd/include/amd_acpi.h
index 84933c0..4225640 100644
--- a/drivers/gpu/drm/amd/include/amd_acpi.h
+++ b/drivers/gpu/drm/amd/include/amd_acpi.h
@@ -26,8 +26,6 @@
 
 #include <linux/types.h>
 
-#define ACPI_AC_CLASS           "ac_adapter"
-
 struct atif_verify_interface {
 	u16 size;		/* structure size in bytes (includes size field) */
 	u16 version;		/* version */
diff --git a/drivers/gpu/drm/radeon/radeon_acpi.c b/drivers/gpu/drm/radeon/radeon_acpi.c
index 08f8ba4..9f511ff 100644
--- a/drivers/gpu/drm/radeon/radeon_acpi.c
+++ b/drivers/gpu/drm/radeon/radeon_acpi.c
@@ -44,8 +44,6 @@ bool radeon_atpx_dgpu_req_power_for_displays(void);
 static inline bool radeon_atpx_dgpu_req_power_for_displays(void) { return false; }
 #endif
 
-#define ACPI_AC_CLASS           "ac_adapter"
-
 struct atif_verify_interface {
 	u16 size;		/* structure size in bytes (includes size field) */
 	u16 version;		/* version */
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index f49c939d..f49354e 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -983,6 +983,43 @@ static struct cpuidle_state mtl_l_cstates[] __initdata = {
 		.enter = NULL }
 };
 
+static struct cpuidle_state ptl_cstates[] __initdata = {
+	{
+		.name = "C1",
+		.desc = "MWAIT 0x00",
+		.flags = MWAIT2flg(0x00),
+		.exit_latency = 1,
+		.target_residency = 1,
+		.enter = &intel_idle,
+		.enter_s2idle = intel_idle_s2idle, },
+	{
+		.name = "C1E",
+		.desc = "MWAIT 0x01",
+		.flags = MWAIT2flg(0x01) | CPUIDLE_FLAG_ALWAYS_ENABLE,
+		.exit_latency = 10,
+		.target_residency = 10,
+		.enter = &intel_idle,
+		.enter_s2idle = intel_idle_s2idle, },
+	{
+		.name = "C6S",
+		.desc = "MWAIT 0x21",
+		.flags = MWAIT2flg(0x21) | CPUIDLE_FLAG_TLB_FLUSHED,
+		.exit_latency = 300,
+		.target_residency = 300,
+		.enter = &intel_idle,
+		.enter_s2idle = intel_idle_s2idle, },
+	{
+		.name = "C10",
+		.desc = "MWAIT 0x60",
+		.flags = MWAIT2flg(0x60) | CPUIDLE_FLAG_TLB_FLUSHED,
+		.exit_latency = 370,
+		.target_residency = 2500,
+		.enter = &intel_idle,
+		.enter_s2idle = intel_idle_s2idle, },
+	{
+		.enter = NULL }
+};
+
 static struct cpuidle_state gmt_cstates[] __initdata = {
 	{
 		.name = "C1",
@@ -1561,6 +1598,10 @@ static const struct idle_cpu idle_cpu_mtl_l __initconst = {
 	.state_table = mtl_l_cstates,
 };
 
+static const struct idle_cpu idle_cpu_ptl __initconst = {
+	.state_table = ptl_cstates,
+};
+
 static const struct idle_cpu idle_cpu_gmt __initconst = {
 	.state_table = gmt_cstates,
 };
@@ -1669,6 +1710,7 @@ static const struct x86_cpu_id intel_idle_ids[] __initconst = {
 	X86_MATCH_VFM(INTEL_ALDERLAKE,		&idle_cpu_adl),
 	X86_MATCH_VFM(INTEL_ALDERLAKE_L,	&idle_cpu_adl_l),
 	X86_MATCH_VFM(INTEL_METEORLAKE_L,	&idle_cpu_mtl_l),
+	X86_MATCH_VFM(INTEL_PANTHERLAKE_L,	&idle_cpu_ptl),
 	X86_MATCH_VFM(INTEL_ATOM_GRACEMONT,	&idle_cpu_gmt),
 	X86_MATCH_VFM(INTEL_SAPPHIRERAPIDS_X,	&idle_cpu_spr),
 	X86_MATCH_VFM(INTEL_EMERALDRAPIDS_X,	&idle_cpu_spr),
diff --git a/drivers/platform/x86/hp/hp-wmi.c b/drivers/platform/x86/hp/hp-wmi.c
index 68ede7e..1ee8e2a 100644
--- a/drivers/platform/x86/hp/hp-wmi.c
+++ b/drivers/platform/x86/hp/hp-wmi.c
@@ -58,8 +58,6 @@ enum hp_ec_offsets {
 #define HP_POWER_LIMIT_DEFAULT	 0x00
 #define HP_POWER_LIMIT_NO_CHANGE 0xFF
 
-#define ACPI_AC_CLASS "ac_adapter"
-
 #define zero_if_sup(tmp) (zero_insize_support?0:sizeof(tmp)) // use when zero insize is required
 
 enum hp_thermal_profile_omen_v0 {
diff --git a/drivers/platform/x86/lenovo/wmi-capdata.c b/drivers/platform/x86/lenovo/wmi-capdata.c
index ee1fb02..b73d378 100644
--- a/drivers/platform/x86/lenovo/wmi-capdata.c
+++ b/drivers/platform/x86/lenovo/wmi-capdata.c
@@ -53,7 +53,6 @@
 #define LENOVO_CAPABILITY_DATA_01_GUID "7A8F5407-CB67-4D6E-B547-39B3BE018154"
 #define LENOVO_FAN_TEST_DATA_GUID "B642801B-3D21-45DE-90AE-6E86F164FB21"
 
-#define ACPI_AC_CLASS "ac_adapter"
 #define ACPI_AC_NOTIFY_STATUS 0x80
 
 #define LWMI_FEATURE_ID_FAN_TEST 0x05
diff --git a/drivers/powercap/intel_rapl_common.c b/drivers/powercap/intel_rapl_common.c
index 019a65a..b2301b3 100644
--- a/drivers/powercap/intel_rapl_common.c
+++ b/drivers/powercap/intel_rapl_common.c
@@ -24,89 +24,34 @@
 #include <linux/suspend.h>
 #include <linux/sysfs.h>
 #include <linux/types.h>
+#include <linux/units.h>
 
 #include <asm/cpu_device_id.h>
 #include <asm/intel-family.h>
-#include <asm/iosf_mbi.h>
 #include <asm/msr.h>
 
-/* bitmasks for RAPL MSRs, used by primitive access functions */
-#define ENERGY_STATUS_MASK      0xffffffff
+#define ENERGY_STATUS_MASK		GENMASK(31, 0)
 
-#define POWER_LIMIT1_MASK       0x7FFF
-#define POWER_LIMIT1_ENABLE     BIT(15)
-#define POWER_LIMIT1_CLAMP      BIT(16)
+#define POWER_UNIT_OFFSET		0x00
+#define POWER_UNIT_MASK			GENMASK(3, 0)
 
-#define POWER_LIMIT2_MASK       (0x7FFFULL<<32)
-#define POWER_LIMIT2_ENABLE     BIT_ULL(47)
-#define POWER_LIMIT2_CLAMP      BIT_ULL(48)
-#define POWER_HIGH_LOCK         BIT_ULL(63)
-#define POWER_LOW_LOCK          BIT(31)
+#define ENERGY_UNIT_OFFSET		0x08
+#define ENERGY_UNIT_MASK		GENMASK(12, 8)
 
-#define POWER_LIMIT4_MASK		0x1FFF
-
-#define TIME_WINDOW1_MASK       (0x7FULL<<17)
-#define TIME_WINDOW2_MASK       (0x7FULL<<49)
-
-#define POWER_UNIT_OFFSET	0
-#define POWER_UNIT_MASK		0x0F
-
-#define ENERGY_UNIT_OFFSET	0x08
-#define ENERGY_UNIT_MASK	0x1F00
-
-#define TIME_UNIT_OFFSET	0x10
-#define TIME_UNIT_MASK		0xF0000
-
-#define POWER_INFO_MAX_MASK     (0x7fffULL<<32)
-#define POWER_INFO_MIN_MASK     (0x7fffULL<<16)
-#define POWER_INFO_MAX_TIME_WIN_MASK     (0x3fULL<<48)
-#define POWER_INFO_THERMAL_SPEC_MASK     0x7fff
-
-#define PERF_STATUS_THROTTLE_TIME_MASK 0xffffffff
-#define PP_POLICY_MASK         0x1F
-
-/*
- * SPR has different layout for Psys Domain PowerLimit registers.
- * There are 17 bits of PL1 and PL2 instead of 15 bits.
- * The Enable bits and TimeWindow bits are also shifted as a result.
- */
-#define PSYS_POWER_LIMIT1_MASK       0x1FFFF
-#define PSYS_POWER_LIMIT1_ENABLE     BIT(17)
-
-#define PSYS_POWER_LIMIT2_MASK       (0x1FFFFULL<<32)
-#define PSYS_POWER_LIMIT2_ENABLE     BIT_ULL(49)
-
-#define PSYS_TIME_WINDOW1_MASK       (0x7FULL<<19)
-#define PSYS_TIME_WINDOW2_MASK       (0x7FULL<<51)
-
-/* bitmasks for RAPL TPMI, used by primitive access functions */
-#define TPMI_POWER_LIMIT_MASK	0x3FFFF
-#define TPMI_POWER_LIMIT_ENABLE	BIT_ULL(62)
-#define TPMI_TIME_WINDOW_MASK	(0x7FULL<<18)
-#define TPMI_INFO_SPEC_MASK	0x3FFFF
-#define TPMI_INFO_MIN_MASK	(0x3FFFFULL << 18)
-#define TPMI_INFO_MAX_MASK	(0x3FFFFULL << 36)
-#define TPMI_INFO_MAX_TIME_WIN_MASK	(0x7FULL << 54)
+#define TIME_UNIT_OFFSET		0x10
+#define TIME_UNIT_MASK			GENMASK(19, 16)
 
 /* Non HW constants */
-#define RAPL_PRIMITIVE_DERIVED       BIT(1)	/* not from raw data */
-#define RAPL_PRIMITIVE_DUMMY         BIT(2)
+#define RAPL_PRIMITIVE_DUMMY		BIT(2)
 
-#define TIME_WINDOW_MAX_MSEC 40000
-#define TIME_WINDOW_MIN_MSEC 250
-#define ENERGY_UNIT_SCALE    1000	/* scale from driver unit to powercap unit */
-enum unit_type {
-	ARBITRARY_UNIT,		/* no translation */
-	POWER_UNIT,
-	ENERGY_UNIT,
-	TIME_UNIT,
-};
+#define ENERGY_UNIT_SCALE		1000	/* scale from driver unit to powercap unit */
 
 /* per domain data, some are optional */
-#define NR_RAW_PRIMITIVES (NR_RAPL_PRIMITIVES - 2)
+#define NR_RAW_PRIMITIVES		(NR_RAPL_PRIMITIVES - 2)
 
-#define	DOMAIN_STATE_INACTIVE           BIT(0)
-#define	DOMAIN_STATE_POWER_LIMIT_SET    BIT(1)
+#define PACKAGE_PLN_INT_SAVED		BIT(0)
+
+#define RAPL_EVENT_MASK			GENMASK(7, 0)
 
 static const char *pl_names[NR_POWER_LIMITS] = {
 	[POWER_LIMIT1] = "long_term",
@@ -204,52 +149,11 @@ static int get_pl_prim(struct rapl_domain *rd, int pl, enum pl_prims prim)
 #define power_zone_to_rapl_domain(_zone) \
 	container_of(_zone, struct rapl_domain, power_zone)
 
-struct rapl_defaults {
-	u8 floor_freq_reg_addr;
-	int (*check_unit)(struct rapl_domain *rd);
-	void (*set_floor_freq)(struct rapl_domain *rd, bool mode);
-	u64 (*compute_time_window)(struct rapl_domain *rd, u64 val,
-				    bool to_raw);
-	unsigned int dram_domain_energy_unit;
-	unsigned int psys_domain_energy_unit;
-	bool spr_psys_bits;
-};
-static struct rapl_defaults *defaults_msr;
-static const struct rapl_defaults defaults_tpmi;
-
-static struct rapl_defaults *get_defaults(struct rapl_package *rp)
+static const struct rapl_defaults *get_defaults(struct rapl_package *rp)
 {
 	return rp->priv->defaults;
 }
 
-/* Sideband MBI registers */
-#define IOSF_CPU_POWER_BUDGET_CTL_BYT (0x2)
-#define IOSF_CPU_POWER_BUDGET_CTL_TNG (0xdf)
-
-#define PACKAGE_PLN_INT_SAVED   BIT(0)
-#define MAX_PRIM_NAME (32)
-
-/* per domain data. used to describe individual knobs such that access function
- * can be consolidated into one instead of many inline functions.
- */
-struct rapl_primitive_info {
-	const char *name;
-	u64 mask;
-	int shift;
-	enum rapl_domain_reg_id id;
-	enum unit_type unit;
-	u32 flag;
-};
-
-#define PRIMITIVE_INFO_INIT(p, m, s, i, u, f) {	\
-		.name = #p,			\
-		.mask = m,			\
-		.shift = s,			\
-		.id = i,			\
-		.unit = u,			\
-		.flag = f			\
-	}
-
 static void rapl_init_domains(struct rapl_package *rp);
 static int rapl_read_data_raw(struct rapl_domain *rd,
 			      enum rapl_primitives prim,
@@ -341,7 +245,7 @@ static int find_nr_power_limit(struct rapl_domain *rd)
 static int set_domain_enable(struct powercap_zone *power_zone, bool mode)
 {
 	struct rapl_domain *rd = power_zone_to_rapl_domain(power_zone);
-	struct rapl_defaults *defaults = get_defaults(rd->rp);
+	const struct rapl_defaults *defaults = get_defaults(rd->rp);
 	u64 val;
 	int ret;
 
@@ -630,7 +534,7 @@ static u64 rapl_unit_xlate(struct rapl_domain *rd, enum unit_type type,
 			   u64 value, int to_raw)
 {
 	u64 units = 1;
-	struct rapl_defaults *defaults = get_defaults(rd->rp);
+	const struct rapl_defaults *defaults = get_defaults(rd->rp);
 	u64 scale = 1;
 
 	switch (type) {
@@ -656,104 +560,6 @@ static u64 rapl_unit_xlate(struct rapl_domain *rd, enum unit_type type,
 	return div64_u64(value, scale);
 }
 
-/* RAPL primitives for MSR and MMIO I/F */
-static struct rapl_primitive_info rpi_msr[NR_RAPL_PRIMITIVES] = {
-	/* name, mask, shift, msr index, unit divisor */
-	[POWER_LIMIT1] = PRIMITIVE_INFO_INIT(POWER_LIMIT1, POWER_LIMIT1_MASK, 0,
-			    RAPL_DOMAIN_REG_LIMIT, POWER_UNIT, 0),
-	[POWER_LIMIT2] = PRIMITIVE_INFO_INIT(POWER_LIMIT2, POWER_LIMIT2_MASK, 32,
-			    RAPL_DOMAIN_REG_LIMIT, POWER_UNIT, 0),
-	[POWER_LIMIT4] = PRIMITIVE_INFO_INIT(POWER_LIMIT4, POWER_LIMIT4_MASK, 0,
-				RAPL_DOMAIN_REG_PL4, POWER_UNIT, 0),
-	[ENERGY_COUNTER] = PRIMITIVE_INFO_INIT(ENERGY_COUNTER, ENERGY_STATUS_MASK, 0,
-			    RAPL_DOMAIN_REG_STATUS, ENERGY_UNIT, 0),
-	[FW_LOCK] = PRIMITIVE_INFO_INIT(FW_LOCK, POWER_LOW_LOCK, 31,
-			    RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
-	[FW_HIGH_LOCK] = PRIMITIVE_INFO_INIT(FW_LOCK, POWER_HIGH_LOCK, 63,
-			    RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
-	[PL1_ENABLE] = PRIMITIVE_INFO_INIT(PL1_ENABLE, POWER_LIMIT1_ENABLE, 15,
-			    RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
-	[PL1_CLAMP] = PRIMITIVE_INFO_INIT(PL1_CLAMP, POWER_LIMIT1_CLAMP, 16,
-			    RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
-	[PL2_ENABLE] = PRIMITIVE_INFO_INIT(PL2_ENABLE, POWER_LIMIT2_ENABLE, 47,
-			    RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
-	[PL2_CLAMP] = PRIMITIVE_INFO_INIT(PL2_CLAMP, POWER_LIMIT2_CLAMP, 48,
-			    RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
-	[TIME_WINDOW1] = PRIMITIVE_INFO_INIT(TIME_WINDOW1, TIME_WINDOW1_MASK, 17,
-			    RAPL_DOMAIN_REG_LIMIT, TIME_UNIT, 0),
-	[TIME_WINDOW2] = PRIMITIVE_INFO_INIT(TIME_WINDOW2, TIME_WINDOW2_MASK, 49,
-			    RAPL_DOMAIN_REG_LIMIT, TIME_UNIT, 0),
-	[THERMAL_SPEC_POWER] = PRIMITIVE_INFO_INIT(THERMAL_SPEC_POWER, POWER_INFO_THERMAL_SPEC_MASK,
-			    0, RAPL_DOMAIN_REG_INFO, POWER_UNIT, 0),
-	[MAX_POWER] = PRIMITIVE_INFO_INIT(MAX_POWER, POWER_INFO_MAX_MASK, 32,
-			    RAPL_DOMAIN_REG_INFO, POWER_UNIT, 0),
-	[MIN_POWER] = PRIMITIVE_INFO_INIT(MIN_POWER, POWER_INFO_MIN_MASK, 16,
-			    RAPL_DOMAIN_REG_INFO, POWER_UNIT, 0),
-	[MAX_TIME_WINDOW] = PRIMITIVE_INFO_INIT(MAX_TIME_WINDOW, POWER_INFO_MAX_TIME_WIN_MASK, 48,
-			    RAPL_DOMAIN_REG_INFO, TIME_UNIT, 0),
-	[THROTTLED_TIME] = PRIMITIVE_INFO_INIT(THROTTLED_TIME, PERF_STATUS_THROTTLE_TIME_MASK, 0,
-			    RAPL_DOMAIN_REG_PERF, TIME_UNIT, 0),
-	[PRIORITY_LEVEL] = PRIMITIVE_INFO_INIT(PRIORITY_LEVEL, PP_POLICY_MASK, 0,
-			    RAPL_DOMAIN_REG_POLICY, ARBITRARY_UNIT, 0),
-	[PSYS_POWER_LIMIT1] = PRIMITIVE_INFO_INIT(PSYS_POWER_LIMIT1, PSYS_POWER_LIMIT1_MASK, 0,
-			    RAPL_DOMAIN_REG_LIMIT, POWER_UNIT, 0),
-	[PSYS_POWER_LIMIT2] = PRIMITIVE_INFO_INIT(PSYS_POWER_LIMIT2, PSYS_POWER_LIMIT2_MASK, 32,
-			    RAPL_DOMAIN_REG_LIMIT, POWER_UNIT, 0),
-	[PSYS_PL1_ENABLE] = PRIMITIVE_INFO_INIT(PSYS_PL1_ENABLE, PSYS_POWER_LIMIT1_ENABLE, 17,
-			    RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
-	[PSYS_PL2_ENABLE] = PRIMITIVE_INFO_INIT(PSYS_PL2_ENABLE, PSYS_POWER_LIMIT2_ENABLE, 49,
-			    RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
-	[PSYS_TIME_WINDOW1] = PRIMITIVE_INFO_INIT(PSYS_TIME_WINDOW1, PSYS_TIME_WINDOW1_MASK, 19,
-			    RAPL_DOMAIN_REG_LIMIT, TIME_UNIT, 0),
-	[PSYS_TIME_WINDOW2] = PRIMITIVE_INFO_INIT(PSYS_TIME_WINDOW2, PSYS_TIME_WINDOW2_MASK, 51,
-			    RAPL_DOMAIN_REG_LIMIT, TIME_UNIT, 0),
-	/* non-hardware */
-	[AVERAGE_POWER] = PRIMITIVE_INFO_INIT(AVERAGE_POWER, 0, 0, 0, POWER_UNIT,
-			    RAPL_PRIMITIVE_DERIVED),
-};
-
-/* RAPL primitives for TPMI I/F */
-static struct rapl_primitive_info rpi_tpmi[NR_RAPL_PRIMITIVES] = {
-	/* name, mask, shift, msr index, unit divisor */
-	[POWER_LIMIT1] = PRIMITIVE_INFO_INIT(POWER_LIMIT1, TPMI_POWER_LIMIT_MASK, 0,
-		RAPL_DOMAIN_REG_LIMIT, POWER_UNIT, 0),
-	[POWER_LIMIT2] = PRIMITIVE_INFO_INIT(POWER_LIMIT2, TPMI_POWER_LIMIT_MASK, 0,
-		RAPL_DOMAIN_REG_PL2, POWER_UNIT, 0),
-	[POWER_LIMIT4] = PRIMITIVE_INFO_INIT(POWER_LIMIT4, TPMI_POWER_LIMIT_MASK, 0,
-		RAPL_DOMAIN_REG_PL4, POWER_UNIT, 0),
-	[ENERGY_COUNTER] = PRIMITIVE_INFO_INIT(ENERGY_COUNTER, ENERGY_STATUS_MASK, 0,
-		RAPL_DOMAIN_REG_STATUS, ENERGY_UNIT, 0),
-	[PL1_LOCK] = PRIMITIVE_INFO_INIT(PL1_LOCK, POWER_HIGH_LOCK, 63,
-		RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
-	[PL2_LOCK] = PRIMITIVE_INFO_INIT(PL2_LOCK, POWER_HIGH_LOCK, 63,
-		RAPL_DOMAIN_REG_PL2, ARBITRARY_UNIT, 0),
-	[PL4_LOCK] = PRIMITIVE_INFO_INIT(PL4_LOCK, POWER_HIGH_LOCK, 63,
-		RAPL_DOMAIN_REG_PL4, ARBITRARY_UNIT, 0),
-	[PL1_ENABLE] = PRIMITIVE_INFO_INIT(PL1_ENABLE, TPMI_POWER_LIMIT_ENABLE, 62,
-		RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
-	[PL2_ENABLE] = PRIMITIVE_INFO_INIT(PL2_ENABLE, TPMI_POWER_LIMIT_ENABLE, 62,
-		RAPL_DOMAIN_REG_PL2, ARBITRARY_UNIT, 0),
-	[PL4_ENABLE] = PRIMITIVE_INFO_INIT(PL4_ENABLE, TPMI_POWER_LIMIT_ENABLE, 62,
-		RAPL_DOMAIN_REG_PL4, ARBITRARY_UNIT, 0),
-	[TIME_WINDOW1] = PRIMITIVE_INFO_INIT(TIME_WINDOW1, TPMI_TIME_WINDOW_MASK, 18,
-		RAPL_DOMAIN_REG_LIMIT, TIME_UNIT, 0),
-	[TIME_WINDOW2] = PRIMITIVE_INFO_INIT(TIME_WINDOW2, TPMI_TIME_WINDOW_MASK, 18,
-		RAPL_DOMAIN_REG_PL2, TIME_UNIT, 0),
-	[THERMAL_SPEC_POWER] = PRIMITIVE_INFO_INIT(THERMAL_SPEC_POWER, TPMI_INFO_SPEC_MASK, 0,
-		RAPL_DOMAIN_REG_INFO, POWER_UNIT, 0),
-	[MAX_POWER] = PRIMITIVE_INFO_INIT(MAX_POWER, TPMI_INFO_MAX_MASK, 36,
-		RAPL_DOMAIN_REG_INFO, POWER_UNIT, 0),
-	[MIN_POWER] = PRIMITIVE_INFO_INIT(MIN_POWER, TPMI_INFO_MIN_MASK, 18,
-		RAPL_DOMAIN_REG_INFO, POWER_UNIT, 0),
-	[MAX_TIME_WINDOW] = PRIMITIVE_INFO_INIT(MAX_TIME_WINDOW, TPMI_INFO_MAX_TIME_WIN_MASK, 54,
-		RAPL_DOMAIN_REG_INFO, TIME_UNIT, 0),
-	[THROTTLED_TIME] = PRIMITIVE_INFO_INIT(THROTTLED_TIME, PERF_STATUS_THROTTLE_TIME_MASK, 0,
-		RAPL_DOMAIN_REG_PERF, TIME_UNIT, 0),
-	/* non-hardware */
-	[AVERAGE_POWER] = PRIMITIVE_INFO_INIT(AVERAGE_POWER, 0, 0, 0,
-		POWER_UNIT, RAPL_PRIMITIVE_DERIVED),
-};
-
 static struct rapl_primitive_info *get_rpi(struct rapl_package *rp, int prim)
 {
 	struct rapl_primitive_info *rpi = rp->priv->rpi;
@@ -766,21 +572,6 @@ static struct rapl_primitive_info *get_rpi(struct rapl_package *rp, int prim)
 
 static int rapl_config(struct rapl_package *rp)
 {
-	switch (rp->priv->type) {
-	/* MMIO I/F shares the same register layout as MSR registers */
-	case RAPL_IF_MMIO:
-	case RAPL_IF_MSR:
-		rp->priv->defaults = (void *)defaults_msr;
-		rp->priv->rpi = (void *)rpi_msr;
-		break;
-	case RAPL_IF_TPMI:
-		rp->priv->defaults = (void *)&defaults_tpmi;
-		rp->priv->rpi = (void *)rpi_tpmi;
-		break;
-	default:
-		return -EINVAL;
-	}
-
 	/* defaults_msr can be NULL on unsupported platforms */
 	if (!rp->priv->defaults || !rp->priv->rpi)
 		return -ENODEV;
@@ -791,7 +582,7 @@ static int rapl_config(struct rapl_package *rp)
 static enum rapl_primitives
 prim_fixups(struct rapl_domain *rd, enum rapl_primitives prim)
 {
-	struct rapl_defaults *defaults = get_defaults(rd->rp);
+	const struct rapl_defaults *defaults = get_defaults(rd->rp);
 
 	if (!defaults->spr_psys_bits)
 		return prim;
@@ -846,12 +637,6 @@ static int rapl_read_data_raw(struct rapl_domain *rd,
 	if (!ra.reg.val)
 		return -EINVAL;
 
-	/* non-hardware data are collected by the polling thread */
-	if (rpi->flag & RAPL_PRIMITIVE_DERIVED) {
-		*data = rd->rdd.primitives[prim];
-		return 0;
-	}
-
 	ra.mask = rpi->mask;
 
 	if (rd->rp->priv->read_raw(get_rid(rd->rp), &ra, pmu_ctx)) {
@@ -936,7 +721,7 @@ static int rapl_write_pl_data(struct rapl_domain *rd, int pl,
  * power unit : microWatts  : Represented in milliWatts by default
  * time unit  : microseconds: Represented in seconds by default
  */
-static int rapl_check_unit_core(struct rapl_domain *rd)
+int rapl_default_check_unit(struct rapl_domain *rd)
 {
 	struct reg_action ra;
 	u32 value;
@@ -950,47 +735,20 @@ static int rapl_check_unit_core(struct rapl_domain *rd)
 	}
 
 	value = (ra.value & ENERGY_UNIT_MASK) >> ENERGY_UNIT_OFFSET;
-	rd->energy_unit = ENERGY_UNIT_SCALE * 1000000 / (1 << value);
+	rd->energy_unit = (ENERGY_UNIT_SCALE * MICROJOULE_PER_JOULE) >> value;
 
 	value = (ra.value & POWER_UNIT_MASK) >> POWER_UNIT_OFFSET;
-	rd->power_unit = 1000000 / (1 << value);
+	rd->power_unit = MICROWATT_PER_WATT >> value;
 
 	value = (ra.value & TIME_UNIT_MASK) >> TIME_UNIT_OFFSET;
-	rd->time_unit = 1000000 / (1 << value);
+	rd->time_unit = USEC_PER_SEC >> value;
 
 	pr_debug("Core CPU %s:%s energy=%dpJ, time=%dus, power=%duW\n",
 		 rd->rp->name, rd->name, rd->energy_unit, rd->time_unit, rd->power_unit);
 
 	return 0;
 }
-
-static int rapl_check_unit_atom(struct rapl_domain *rd)
-{
-	struct reg_action ra;
-	u32 value;
-
-	ra.reg = rd->regs[RAPL_DOMAIN_REG_UNIT];
-	ra.mask = ~0;
-	if (rd->rp->priv->read_raw(get_rid(rd->rp), &ra, false)) {
-		pr_err("Failed to read power unit REG 0x%llx on %s:%s, exit.\n",
-			ra.reg.val, rd->rp->name, rd->name);
-		return -ENODEV;
-	}
-
-	value = (ra.value & ENERGY_UNIT_MASK) >> ENERGY_UNIT_OFFSET;
-	rd->energy_unit = ENERGY_UNIT_SCALE * 1 << value;
-
-	value = (ra.value & POWER_UNIT_MASK) >> POWER_UNIT_OFFSET;
-	rd->power_unit = (1 << value) * 1000;
-
-	value = (ra.value & TIME_UNIT_MASK) >> TIME_UNIT_OFFSET;
-	rd->time_unit = 1000000 / (1 << value);
-
-	pr_debug("Atom %s:%s energy=%dpJ, time=%dus, power=%duW\n",
-		 rd->rp->name, rd->name, rd->energy_unit, rd->time_unit, rd->power_unit);
-
-	return 0;
-}
+EXPORT_SYMBOL_NS_GPL(rapl_default_check_unit, "INTEL_RAPL");
 
 static void power_limit_irq_save_cpu(void *info)
 {
@@ -1056,7 +814,7 @@ static void package_power_limit_irq_restore(struct rapl_package *rp)
 	wrmsr_safe(MSR_IA32_PACKAGE_THERM_INTERRUPT, l, h);
 }
 
-static void set_floor_freq_default(struct rapl_domain *rd, bool mode)
+void rapl_default_set_floor_freq(struct rapl_domain *rd, bool mode)
 {
 	int i;
 
@@ -1070,33 +828,9 @@ static void set_floor_freq_default(struct rapl_domain *rd, bool mode)
 		rapl_write_pl_data(rd, i, PL_CLAMP, mode);
 	}
 }
+EXPORT_SYMBOL_NS_GPL(rapl_default_set_floor_freq, "INTEL_RAPL");
 
-static void set_floor_freq_atom(struct rapl_domain *rd, bool enable)
-{
-	static u32 power_ctrl_orig_val;
-	struct rapl_defaults *defaults = get_defaults(rd->rp);
-	u32 mdata;
-
-	if (!defaults->floor_freq_reg_addr) {
-		pr_err("Invalid floor frequency config register\n");
-		return;
-	}
-
-	if (!power_ctrl_orig_val)
-		iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_CR_READ,
-			      defaults->floor_freq_reg_addr,
-			      &power_ctrl_orig_val);
-	mdata = power_ctrl_orig_val;
-	if (enable) {
-		mdata &= ~(0x7f << 8);
-		mdata |= 1 << 8;
-	}
-	iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_CR_WRITE,
-		       defaults->floor_freq_reg_addr, mdata);
-}
-
-static u64 rapl_compute_time_window_core(struct rapl_domain *rd, u64 value,
-					 bool to_raw)
+u64 rapl_default_compute_time_window(struct rapl_domain *rd, u64 value, bool to_raw)
 {
 	u64 f, y;		/* fraction and exp. used for time unit */
 
@@ -1107,7 +841,7 @@ static u64 rapl_compute_time_window_core(struct rapl_domain *rd, u64 value,
 	if (!to_raw) {
 		f = (value & 0x60) >> 5;
 		y = value & 0x1f;
-		value = (1 << y) * (4 + f) * rd->time_unit / 4;
+		value = (1ULL << y) * (4 + f) * rd->time_unit / 4;
 	} else {
 		if (value < rd->time_unit)
 			return 0;
@@ -1122,199 +856,12 @@ static u64 rapl_compute_time_window_core(struct rapl_domain *rd, u64 value,
 		if (y > 0x1f)
 			return 0x7f;
 
-		f = div64_u64(4 * (value - (1ULL << y)), 1ULL << y);
+		f = div64_u64(4 * (value - BIT_ULL(y)), BIT_ULL(y));
 		value = (y & 0x1f) | ((f & 0x3) << 5);
 	}
 	return value;
 }
-
-static u64 rapl_compute_time_window_atom(struct rapl_domain *rd, u64 value,
-					 bool to_raw)
-{
-	/*
-	 * Atom time unit encoding is straight forward val * time_unit,
-	 * where time_unit is default to 1 sec. Never 0.
-	 */
-	if (!to_raw)
-		return (value) ? value * rd->time_unit : rd->time_unit;
-
-	value = div64_u64(value, rd->time_unit);
-
-	return value;
-}
-
-/* TPMI Unit register has different layout */
-#define TPMI_POWER_UNIT_OFFSET	POWER_UNIT_OFFSET
-#define TPMI_POWER_UNIT_MASK	POWER_UNIT_MASK
-#define TPMI_ENERGY_UNIT_OFFSET	0x06
-#define TPMI_ENERGY_UNIT_MASK	0x7C0
-#define TPMI_TIME_UNIT_OFFSET	0x0C
-#define TPMI_TIME_UNIT_MASK	0xF000
-
-static int rapl_check_unit_tpmi(struct rapl_domain *rd)
-{
-	struct reg_action ra;
-	u32 value;
-
-	ra.reg = rd->regs[RAPL_DOMAIN_REG_UNIT];
-	ra.mask = ~0;
-	if (rd->rp->priv->read_raw(get_rid(rd->rp), &ra, false)) {
-		pr_err("Failed to read power unit REG 0x%llx on %s:%s, exit.\n",
-			ra.reg.val, rd->rp->name, rd->name);
-		return -ENODEV;
-	}
-
-	value = (ra.value & TPMI_ENERGY_UNIT_MASK) >> TPMI_ENERGY_UNIT_OFFSET;
-	rd->energy_unit = ENERGY_UNIT_SCALE * 1000000 / (1 << value);
-
-	value = (ra.value & TPMI_POWER_UNIT_MASK) >> TPMI_POWER_UNIT_OFFSET;
-	rd->power_unit = 1000000 / (1 << value);
-
-	value = (ra.value & TPMI_TIME_UNIT_MASK) >> TPMI_TIME_UNIT_OFFSET;
-	rd->time_unit = 1000000 / (1 << value);
-
-	pr_debug("Core CPU %s:%s energy=%dpJ, time=%dus, power=%duW\n",
-		 rd->rp->name, rd->name, rd->energy_unit, rd->time_unit, rd->power_unit);
-
-	return 0;
-}
-
-static const struct rapl_defaults defaults_tpmi = {
-	.check_unit = rapl_check_unit_tpmi,
-	/* Reuse existing logic, ignore the PL_CLAMP failures and enable all Power Limits */
-	.set_floor_freq = set_floor_freq_default,
-	.compute_time_window = rapl_compute_time_window_core,
-};
-
-static const struct rapl_defaults rapl_defaults_core = {
-	.floor_freq_reg_addr = 0,
-	.check_unit = rapl_check_unit_core,
-	.set_floor_freq = set_floor_freq_default,
-	.compute_time_window = rapl_compute_time_window_core,
-};
-
-static const struct rapl_defaults rapl_defaults_hsw_server = {
-	.check_unit = rapl_check_unit_core,
-	.set_floor_freq = set_floor_freq_default,
-	.compute_time_window = rapl_compute_time_window_core,
-	.dram_domain_energy_unit = 15300,
-};
-
-static const struct rapl_defaults rapl_defaults_spr_server = {
-	.check_unit = rapl_check_unit_core,
-	.set_floor_freq = set_floor_freq_default,
-	.compute_time_window = rapl_compute_time_window_core,
-	.psys_domain_energy_unit = 1000000000,
-	.spr_psys_bits = true,
-};
-
-static const struct rapl_defaults rapl_defaults_byt = {
-	.floor_freq_reg_addr = IOSF_CPU_POWER_BUDGET_CTL_BYT,
-	.check_unit = rapl_check_unit_atom,
-	.set_floor_freq = set_floor_freq_atom,
-	.compute_time_window = rapl_compute_time_window_atom,
-};
-
-static const struct rapl_defaults rapl_defaults_tng = {
-	.floor_freq_reg_addr = IOSF_CPU_POWER_BUDGET_CTL_TNG,
-	.check_unit = rapl_check_unit_atom,
-	.set_floor_freq = set_floor_freq_atom,
-	.compute_time_window = rapl_compute_time_window_atom,
-};
-
-static const struct rapl_defaults rapl_defaults_ann = {
-	.floor_freq_reg_addr = 0,
-	.check_unit = rapl_check_unit_atom,
-	.set_floor_freq = NULL,
-	.compute_time_window = rapl_compute_time_window_atom,
-};
-
-static const struct rapl_defaults rapl_defaults_cht = {
-	.floor_freq_reg_addr = 0,
-	.check_unit = rapl_check_unit_atom,
-	.set_floor_freq = NULL,
-	.compute_time_window = rapl_compute_time_window_atom,
-};
-
-static const struct rapl_defaults rapl_defaults_amd = {
-	.check_unit = rapl_check_unit_core,
-};
-
-static const struct x86_cpu_id rapl_ids[] __initconst = {
-	X86_MATCH_VFM(INTEL_SANDYBRIDGE,	&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_SANDYBRIDGE_X,	&rapl_defaults_core),
-
-	X86_MATCH_VFM(INTEL_IVYBRIDGE,		&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_IVYBRIDGE_X,	&rapl_defaults_core),
-
-	X86_MATCH_VFM(INTEL_HASWELL,		&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_HASWELL_L,		&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_HASWELL_G,		&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_HASWELL_X,		&rapl_defaults_hsw_server),
-
-	X86_MATCH_VFM(INTEL_BROADWELL,		&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_BROADWELL_G,	&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_BROADWELL_D,	&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_BROADWELL_X,	&rapl_defaults_hsw_server),
-
-	X86_MATCH_VFM(INTEL_SKYLAKE,		&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_SKYLAKE_L,		&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_SKYLAKE_X,		&rapl_defaults_hsw_server),
-	X86_MATCH_VFM(INTEL_KABYLAKE_L,		&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_KABYLAKE,		&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_CANNONLAKE_L,	&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_ICELAKE_L,		&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_ICELAKE,		&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_ICELAKE_NNPI,	&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_ICELAKE_X,		&rapl_defaults_hsw_server),
-	X86_MATCH_VFM(INTEL_ICELAKE_D,		&rapl_defaults_hsw_server),
-	X86_MATCH_VFM(INTEL_COMETLAKE_L,	&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_COMETLAKE,		&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_TIGERLAKE_L,	&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_TIGERLAKE,		&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_ROCKETLAKE,		&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_ALDERLAKE,		&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_ALDERLAKE_L,	&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_ATOM_GRACEMONT,	&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_RAPTORLAKE,		&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_RAPTORLAKE_P,        &rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_RAPTORLAKE_S,	&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_BARTLETTLAKE,	&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_METEORLAKE,		&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_METEORLAKE_L,	&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_SAPPHIRERAPIDS_X,	&rapl_defaults_spr_server),
-	X86_MATCH_VFM(INTEL_EMERALDRAPIDS_X,	&rapl_defaults_spr_server),
-	X86_MATCH_VFM(INTEL_LUNARLAKE_M,	&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_PANTHERLAKE_L,	&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_WILDCATLAKE_L,	&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_NOVALAKE,		&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_NOVALAKE_L,		&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_ARROWLAKE_H,	&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_ARROWLAKE,		&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_ARROWLAKE_U,	&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_LAKEFIELD,		&rapl_defaults_core),
-
-	X86_MATCH_VFM(INTEL_ATOM_SILVERMONT,	&rapl_defaults_byt),
-	X86_MATCH_VFM(INTEL_ATOM_AIRMONT,	&rapl_defaults_cht),
-	X86_MATCH_VFM(INTEL_ATOM_SILVERMONT_MID, &rapl_defaults_tng),
-	X86_MATCH_VFM(INTEL_ATOM_SILVERMONT_MID2,&rapl_defaults_ann),
-	X86_MATCH_VFM(INTEL_ATOM_GOLDMONT,	&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_ATOM_GOLDMONT_PLUS,	&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_ATOM_GOLDMONT_D,	&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_ATOM_TREMONT,	&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_ATOM_TREMONT_D,	&rapl_defaults_core),
-	X86_MATCH_VFM(INTEL_ATOM_TREMONT_L,	&rapl_defaults_core),
-
-	X86_MATCH_VFM(INTEL_XEON_PHI_KNL,	&rapl_defaults_hsw_server),
-	X86_MATCH_VFM(INTEL_XEON_PHI_KNM,	&rapl_defaults_hsw_server),
-
-	X86_MATCH_VENDOR_FAM(AMD, 0x17, &rapl_defaults_amd),
-	X86_MATCH_VENDOR_FAM(AMD, 0x19, &rapl_defaults_amd),
-	X86_MATCH_VENDOR_FAM(AMD, 0x1A, &rapl_defaults_amd),
-	X86_MATCH_VENDOR_FAM(HYGON, 0x18, &rapl_defaults_amd),
-	{}
-};
-MODULE_DEVICE_TABLE(x86cpu, rapl_ids);
+EXPORT_SYMBOL_NS_GPL(rapl_default_compute_time_window, "INTEL_RAPL");
 
 /* Read once for all raw primitive data for domains */
 static void rapl_update_domain_data(struct rapl_package *rp)
@@ -1443,7 +990,7 @@ static int rapl_check_domain(int domain, struct rapl_package *rp)
  */
 static int rapl_get_domain_unit(struct rapl_domain *rd)
 {
-	struct rapl_defaults *defaults = get_defaults(rd->rp);
+	const struct rapl_defaults *defaults = get_defaults(rd->rp);
 	int ret;
 
 	if (!rd->regs[RAPL_DOMAIN_REG_UNIT].val) {
@@ -1777,7 +1324,6 @@ enum perf_rapl_events {
 	PERF_RAPL_PSYS,		/* psys */
 	PERF_RAPL_MAX
 };
-#define RAPL_EVENT_MASK GENMASK(7, 0)
 
 static const int event_to_domain[PERF_RAPL_MAX] = {
 	[PERF_RAPL_PP0]		= RAPL_DOMAIN_PP0,
@@ -2083,7 +1629,7 @@ int rapl_package_add_pmu_locked(struct rapl_package *rp)
 
 	return rapl_pmu_update(rp);
 }
-EXPORT_SYMBOL_GPL(rapl_package_add_pmu_locked);
+EXPORT_SYMBOL_NS_GPL(rapl_package_add_pmu_locked, "INTEL_RAPL");
 
 int rapl_package_add_pmu(struct rapl_package *rp)
 {
@@ -2091,7 +1637,7 @@ int rapl_package_add_pmu(struct rapl_package *rp)
 
 	return rapl_package_add_pmu_locked(rp);
 }
-EXPORT_SYMBOL_GPL(rapl_package_add_pmu);
+EXPORT_SYMBOL_NS_GPL(rapl_package_add_pmu, "INTEL_RAPL");
 
 void rapl_package_remove_pmu_locked(struct rapl_package *rp)
 {
@@ -2109,7 +1655,7 @@ void rapl_package_remove_pmu_locked(struct rapl_package *rp)
 	perf_pmu_unregister(&rapl_pmu.pmu);
 	memset(&rapl_pmu, 0, sizeof(struct rapl_pmu));
 }
-EXPORT_SYMBOL_GPL(rapl_package_remove_pmu_locked);
+EXPORT_SYMBOL_NS_GPL(rapl_package_remove_pmu_locked, "INTEL_RAPL");
 
 void rapl_package_remove_pmu(struct rapl_package *rp)
 {
@@ -2117,9 +1663,67 @@ void rapl_package_remove_pmu(struct rapl_package *rp)
 
 	rapl_package_remove_pmu_locked(rp);
 }
-EXPORT_SYMBOL_GPL(rapl_package_remove_pmu);
+EXPORT_SYMBOL_NS_GPL(rapl_package_remove_pmu, "INTEL_RAPL");
 #endif
 
+/* pm notifier for saving/restoring Power Limit settings */
+static void power_limit_state_save(void)
+{
+	struct rapl_package *rp;
+	struct rapl_domain *rd;
+	int ret;
+
+	cpus_read_lock();
+	list_for_each_entry(rp, &rapl_packages, plist) {
+		if (!rp->power_zone)
+			continue;
+		rd = power_zone_to_rapl_domain(rp->power_zone);
+		for (int i = POWER_LIMIT1; i < NR_POWER_LIMITS; i++) {
+			ret = rapl_read_pl_data(rd, i, PL_LIMIT, true,
+						&rd->rpl[i].last_power_limit);
+			if (ret)
+				rd->rpl[i].last_power_limit = 0;
+		}
+	}
+	cpus_read_unlock();
+}
+
+static void power_limit_state_restore(void)
+{
+	struct rapl_package *rp;
+	struct rapl_domain *rd;
+
+	cpus_read_lock();
+	list_for_each_entry(rp, &rapl_packages, plist) {
+		if (!rp->power_zone)
+			continue;
+		rd = power_zone_to_rapl_domain(rp->power_zone);
+		for (int i = POWER_LIMIT1; i < NR_POWER_LIMITS; i++)
+			if (rd->rpl[i].last_power_limit)
+				rapl_write_pl_data(rd, i, PL_LIMIT,
+						   rd->rpl[i].last_power_limit);
+	}
+	cpus_read_unlock();
+}
+
+static int rapl_pm_callback(struct notifier_block *nb,
+			    unsigned long mode, void *_unused)
+{
+	switch (mode) {
+	case PM_SUSPEND_PREPARE:
+		power_limit_state_save();
+		break;
+	case PM_POST_SUSPEND:
+		power_limit_state_restore();
+		break;
+	}
+	return NOTIFY_OK;
+}
+
+static struct notifier_block rapl_pm_notifier = {
+	.notifier_call = rapl_pm_callback,
+};
+
 /* called from CPU hotplug notifier, hotplug lock held */
 void rapl_remove_package_cpuslocked(struct rapl_package *rp)
 {
@@ -2149,15 +1753,18 @@ void rapl_remove_package_cpuslocked(struct rapl_package *rp)
 				 &rd_package->power_zone);
 	list_del(&rp->plist);
 	kfree(rp);
+
+	if (list_empty(&rapl_packages))
+		unregister_pm_notifier(&rapl_pm_notifier);
 }
-EXPORT_SYMBOL_GPL(rapl_remove_package_cpuslocked);
+EXPORT_SYMBOL_NS_GPL(rapl_remove_package_cpuslocked, "INTEL_RAPL");
 
 void rapl_remove_package(struct rapl_package *rp)
 {
 	guard(cpus_read_lock)();
 	rapl_remove_package_cpuslocked(rp);
 }
-EXPORT_SYMBOL_GPL(rapl_remove_package);
+EXPORT_SYMBOL_NS_GPL(rapl_remove_package, "INTEL_RAPL");
 
 /*
  * RAPL Package energy counter scope:
@@ -2200,14 +1807,14 @@ struct rapl_package *rapl_find_package_domain_cpuslocked(int id, struct rapl_if_
 
 	return NULL;
 }
-EXPORT_SYMBOL_GPL(rapl_find_package_domain_cpuslocked);
+EXPORT_SYMBOL_NS_GPL(rapl_find_package_domain_cpuslocked, "INTEL_RAPL");
 
 struct rapl_package *rapl_find_package_domain(int id, struct rapl_if_priv *priv, bool id_is_cpu)
 {
 	guard(cpus_read_lock)();
 	return rapl_find_package_domain_cpuslocked(id, priv, id_is_cpu);
 }
-EXPORT_SYMBOL_GPL(rapl_find_package_domain);
+EXPORT_SYMBOL_NS_GPL(rapl_find_package_domain, "INTEL_RAPL");
 
 /* called from CPU hotplug notifier, hotplug lock held */
 struct rapl_package *rapl_add_package_cpuslocked(int id, struct rapl_if_priv *priv, bool id_is_cpu)
@@ -2251,6 +1858,8 @@ struct rapl_package *rapl_add_package_cpuslocked(int id, struct rapl_if_priv *pr
 	}
 	ret = rapl_package_register_powercap(rp);
 	if (!ret) {
+		if (list_empty(&rapl_packages))
+			register_pm_notifier(&rapl_pm_notifier);
 		INIT_LIST_HEAD(&rp->plist);
 		list_add(&rp->plist, &rapl_packages);
 		return rp;
@@ -2261,112 +1870,14 @@ struct rapl_package *rapl_add_package_cpuslocked(int id, struct rapl_if_priv *pr
 	kfree(rp);
 	return ERR_PTR(ret);
 }
-EXPORT_SYMBOL_GPL(rapl_add_package_cpuslocked);
+EXPORT_SYMBOL_NS_GPL(rapl_add_package_cpuslocked, "INTEL_RAPL");
 
 struct rapl_package *rapl_add_package(int id, struct rapl_if_priv *priv, bool id_is_cpu)
 {
 	guard(cpus_read_lock)();
 	return rapl_add_package_cpuslocked(id, priv, id_is_cpu);
 }
-EXPORT_SYMBOL_GPL(rapl_add_package);
-
-static void power_limit_state_save(void)
-{
-	struct rapl_package *rp;
-	struct rapl_domain *rd;
-	int ret, i;
-
-	cpus_read_lock();
-	list_for_each_entry(rp, &rapl_packages, plist) {
-		if (!rp->power_zone)
-			continue;
-		rd = power_zone_to_rapl_domain(rp->power_zone);
-		for (i = POWER_LIMIT1; i < NR_POWER_LIMITS; i++) {
-			ret = rapl_read_pl_data(rd, i, PL_LIMIT, true,
-						 &rd->rpl[i].last_power_limit);
-			if (ret)
-				rd->rpl[i].last_power_limit = 0;
-		}
-	}
-	cpus_read_unlock();
-}
-
-static void power_limit_state_restore(void)
-{
-	struct rapl_package *rp;
-	struct rapl_domain *rd;
-	int i;
-
-	cpus_read_lock();
-	list_for_each_entry(rp, &rapl_packages, plist) {
-		if (!rp->power_zone)
-			continue;
-		rd = power_zone_to_rapl_domain(rp->power_zone);
-		for (i = POWER_LIMIT1; i < NR_POWER_LIMITS; i++)
-			if (rd->rpl[i].last_power_limit)
-				rapl_write_pl_data(rd, i, PL_LIMIT,
-					       rd->rpl[i].last_power_limit);
-	}
-	cpus_read_unlock();
-}
-
-static int rapl_pm_callback(struct notifier_block *nb,
-			    unsigned long mode, void *_unused)
-{
-	switch (mode) {
-	case PM_SUSPEND_PREPARE:
-		power_limit_state_save();
-		break;
-	case PM_POST_SUSPEND:
-		power_limit_state_restore();
-		break;
-	}
-	return NOTIFY_OK;
-}
-
-static struct notifier_block rapl_pm_notifier = {
-	.notifier_call = rapl_pm_callback,
-};
-
-static struct platform_device *rapl_msr_platdev;
-
-static int __init rapl_init(void)
-{
-	const struct x86_cpu_id *id;
-	int ret;
-
-	id = x86_match_cpu(rapl_ids);
-	if (id) {
-		defaults_msr = (struct rapl_defaults *)id->driver_data;
-
-		rapl_msr_platdev = platform_device_alloc("intel_rapl_msr", 0);
-		if (!rapl_msr_platdev)
-			return -ENOMEM;
-
-		ret = platform_device_add(rapl_msr_platdev);
-		if (ret) {
-			platform_device_put(rapl_msr_platdev);
-			return ret;
-		}
-	}
-
-	ret = register_pm_notifier(&rapl_pm_notifier);
-	if (ret && rapl_msr_platdev) {
-		platform_device_del(rapl_msr_platdev);
-		platform_device_put(rapl_msr_platdev);
-	}
-
-	return ret;
-}
-
-static void __exit rapl_exit(void)
-{
-	platform_device_unregister(rapl_msr_platdev);
-	unregister_pm_notifier(&rapl_pm_notifier);
-}
-
-fs_initcall(rapl_init);
-module_exit(rapl_exit);
+EXPORT_SYMBOL_NS_GPL(rapl_add_package, "INTEL_RAPL");
 
 MODULE_DESCRIPTION("Intel Runtime Average Power Limit (RAPL) common code");
 MODULE_AUTHOR("Jacob Pan <jacob.jun.pan@intel.com>");
diff --git a/drivers/powercap/intel_rapl_msr.c b/drivers/powercap/intel_rapl_msr.c
index 3d5e7f5..a34543e 100644
--- a/drivers/powercap/intel_rapl_msr.c
+++ b/drivers/powercap/intel_rapl_msr.c
@@ -21,15 +21,73 @@
 #include <linux/intel_rapl.h>
 #include <linux/processor.h>
 #include <linux/platform_device.h>
+#include <linux/units.h>
+#include <linux/bits.h>
 
 #include <asm/cpu_device_id.h>
 #include <asm/intel-family.h>
+#include <asm/iosf_mbi.h>
 #include <asm/msr.h>
 
 /* Local defines */
 #define MSR_PLATFORM_POWER_LIMIT	0x0000065C
 #define MSR_VR_CURRENT_CONFIG		0x00000601
 
+#define ENERGY_UNIT_SCALE		1000	/* scale from driver unit to powercap unit */
+
+#define POWER_UNIT_OFFSET		0x00
+#define POWER_UNIT_MASK			GENMASK(3, 0)
+
+#define ENERGY_UNIT_OFFSET		0x08
+#define ENERGY_UNIT_MASK		GENMASK(12, 8)
+
+#define TIME_UNIT_OFFSET		0x10
+#define TIME_UNIT_MASK			GENMASK(19, 16)
+
+/* bitmasks for RAPL MSRs, used by primitive access functions */
+#define ENERGY_STATUS_MASK		GENMASK(31, 0)
+
+#define POWER_LIMIT1_MASK		GENMASK(14, 0)
+#define POWER_LIMIT1_ENABLE		BIT(15)
+#define POWER_LIMIT1_CLAMP		BIT(16)
+
+#define POWER_LIMIT2_MASK		GENMASK_ULL(46, 32)
+#define POWER_LIMIT2_ENABLE		BIT_ULL(47)
+#define POWER_LIMIT2_CLAMP		BIT_ULL(48)
+#define POWER_HIGH_LOCK			BIT_ULL(63)
+#define POWER_LOW_LOCK			BIT(31)
+
+#define POWER_LIMIT4_MASK		GENMASK(12, 0)
+
+#define TIME_WINDOW1_MASK		GENMASK_ULL(23, 17)
+#define TIME_WINDOW2_MASK		GENMASK_ULL(55, 49)
+
+#define POWER_INFO_MAX_MASK		GENMASK_ULL(46, 32)
+#define POWER_INFO_MIN_MASK		GENMASK_ULL(30, 16)
+#define POWER_INFO_MAX_TIME_WIN_MASK	GENMASK_ULL(53, 48)
+#define POWER_INFO_THERMAL_SPEC_MASK	GENMASK(14, 0)
+
+#define PERF_STATUS_THROTTLE_TIME_MASK	GENMASK(31, 0)
+#define PP_POLICY_MASK			GENMASK(4, 0)
+
+/*
+ * SPR has different layout for Psys Domain PowerLimit registers.
+ * There are 17 bits of PL1 and PL2 instead of 15 bits.
+ * The Enable bits and TimeWindow bits are also shifted as a result.
+ */
+#define PSYS_POWER_LIMIT1_MASK		GENMASK_ULL(16, 0)
+#define PSYS_POWER_LIMIT1_ENABLE	BIT(17)
+
+#define PSYS_POWER_LIMIT2_MASK		GENMASK_ULL(48, 32)
+#define PSYS_POWER_LIMIT2_ENABLE	BIT_ULL(49)
+
+#define PSYS_TIME_WINDOW1_MASK		GENMASK_ULL(25, 19)
+#define PSYS_TIME_WINDOW2_MASK		GENMASK_ULL(57, 51)
+
+/* Sideband MBI registers */
+#define IOSF_CPU_POWER_BUDGET_CTL_BYT	0x02
+#define IOSF_CPU_POWER_BUDGET_CTL_TNG	0xDF
+
 /* private data for RAPL MSR Interface */
 static struct rapl_if_priv *rapl_msr_priv;
 
@@ -158,36 +216,278 @@ static int rapl_msr_write_raw(int cpu, struct reg_action *ra)
 	return ra->err;
 }
 
-/* List of verified CPUs. */
-static const struct x86_cpu_id pl4_support_ids[] = {
-	X86_MATCH_VFM(INTEL_ICELAKE_L, NULL),
-	X86_MATCH_VFM(INTEL_TIGERLAKE_L, NULL),
-	X86_MATCH_VFM(INTEL_ALDERLAKE, NULL),
-	X86_MATCH_VFM(INTEL_ALDERLAKE_L, NULL),
-	X86_MATCH_VFM(INTEL_ATOM_GRACEMONT, NULL),
-	X86_MATCH_VFM(INTEL_RAPTORLAKE, NULL),
-	X86_MATCH_VFM(INTEL_RAPTORLAKE_P, NULL),
-	X86_MATCH_VFM(INTEL_METEORLAKE, NULL),
-	X86_MATCH_VFM(INTEL_METEORLAKE_L, NULL),
-	X86_MATCH_VFM(INTEL_ARROWLAKE_U, NULL),
-	X86_MATCH_VFM(INTEL_ARROWLAKE_H, NULL),
-	X86_MATCH_VFM(INTEL_PANTHERLAKE_L, NULL),
-	X86_MATCH_VFM(INTEL_WILDCATLAKE_L, NULL),
-	X86_MATCH_VFM(INTEL_NOVALAKE, NULL),
-	X86_MATCH_VFM(INTEL_NOVALAKE_L, NULL),
-	{}
+static int rapl_check_unit_atom(struct rapl_domain *rd)
+{
+	struct reg_action ra;
+	u32 value;
+
+	ra.reg = rd->regs[RAPL_DOMAIN_REG_UNIT];
+	ra.mask = ~0;
+	if (rapl_msr_read_raw(rd->rp->lead_cpu, &ra, false)) {
+		pr_err("Failed to read power unit REG 0x%llx on %s:%s, exit.\n",
+			ra.reg.val, rd->rp->name, rd->name);
+		return -ENODEV;
+	}
+
+	value = (ra.value & ENERGY_UNIT_MASK) >> ENERGY_UNIT_OFFSET;
+	rd->energy_unit = ENERGY_UNIT_SCALE * (1ULL << value);
+
+	value = (ra.value & POWER_UNIT_MASK) >> POWER_UNIT_OFFSET;
+	rd->power_unit = (1ULL << value) * MILLIWATT_PER_WATT;
+
+	value = (ra.value & TIME_UNIT_MASK) >> TIME_UNIT_OFFSET;
+	rd->time_unit = USEC_PER_SEC >> value;
+
+	pr_debug("Atom %s:%s energy=%dpJ, time=%dus, power=%duW\n",
+		 rd->rp->name, rd->name, rd->energy_unit, rd->time_unit, rd->power_unit);
+
+	return 0;
+}
+
+static void set_floor_freq_atom(struct rapl_domain *rd, bool enable)
+{
+	static u32 power_ctrl_orig_val;
+	const struct rapl_defaults *defaults = rd->rp->priv->defaults;
+	u32 mdata;
+
+	if (!defaults->floor_freq_reg_addr) {
+		pr_err("Invalid floor frequency config register\n");
+		return;
+	}
+
+	if (!power_ctrl_orig_val)
+		iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_CR_READ,
+			      defaults->floor_freq_reg_addr,
+			      &power_ctrl_orig_val);
+	mdata = power_ctrl_orig_val;
+	if (enable) {
+		mdata &= ~GENMASK(14, 8);
+		mdata |= BIT(8);
+	}
+	iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_CR_WRITE,
+		       defaults->floor_freq_reg_addr, mdata);
+}
+
+static u64 rapl_compute_time_window_atom(struct rapl_domain *rd, u64 value,
+					 bool to_raw)
+{
+	if (to_raw)
+		return div64_u64(value, rd->time_unit);
+
+	/*
+	 * Atom time unit encoding is straight forward val * time_unit,
+	 * where time_unit is default to 1 sec. Never 0.
+	 */
+	return value ? value * rd->time_unit : rd->time_unit;
+}
+
+/* RAPL primitives for MSR I/F */
+static struct rapl_primitive_info rpi_msr[NR_RAPL_PRIMITIVES] = {
+	/* name, mask, shift, msr index, unit divisor */
+	[POWER_LIMIT1]		= PRIMITIVE_INFO_INIT(POWER_LIMIT1, POWER_LIMIT1_MASK, 0,
+						      RAPL_DOMAIN_REG_LIMIT, POWER_UNIT, 0),
+	[POWER_LIMIT2]		= PRIMITIVE_INFO_INIT(POWER_LIMIT2, POWER_LIMIT2_MASK, 32,
+						      RAPL_DOMAIN_REG_LIMIT, POWER_UNIT, 0),
+	[POWER_LIMIT4]		= PRIMITIVE_INFO_INIT(POWER_LIMIT4, POWER_LIMIT4_MASK, 0,
+						      RAPL_DOMAIN_REG_PL4, POWER_UNIT, 0),
+	[ENERGY_COUNTER]	= PRIMITIVE_INFO_INIT(ENERGY_COUNTER, ENERGY_STATUS_MASK, 0,
+						      RAPL_DOMAIN_REG_STATUS, ENERGY_UNIT, 0),
+	[FW_LOCK]		= PRIMITIVE_INFO_INIT(FW_LOCK, POWER_LOW_LOCK, 31,
+						      RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
+	[FW_HIGH_LOCK]		= PRIMITIVE_INFO_INIT(FW_LOCK, POWER_HIGH_LOCK, 63,
+						      RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
+	[PL1_ENABLE]		= PRIMITIVE_INFO_INIT(PL1_ENABLE, POWER_LIMIT1_ENABLE, 15,
+						      RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
+	[PL1_CLAMP]		= PRIMITIVE_INFO_INIT(PL1_CLAMP, POWER_LIMIT1_CLAMP, 16,
+						      RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
+	[PL2_ENABLE]		= PRIMITIVE_INFO_INIT(PL2_ENABLE, POWER_LIMIT2_ENABLE, 47,
+						      RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
+	[PL2_CLAMP]		= PRIMITIVE_INFO_INIT(PL2_CLAMP, POWER_LIMIT2_CLAMP, 48,
+						      RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
+	[TIME_WINDOW1]		= PRIMITIVE_INFO_INIT(TIME_WINDOW1, TIME_WINDOW1_MASK, 17,
+						      RAPL_DOMAIN_REG_LIMIT, TIME_UNIT, 0),
+	[TIME_WINDOW2]		= PRIMITIVE_INFO_INIT(TIME_WINDOW2, TIME_WINDOW2_MASK, 49,
+						      RAPL_DOMAIN_REG_LIMIT, TIME_UNIT, 0),
+	[THERMAL_SPEC_POWER]	= PRIMITIVE_INFO_INIT(THERMAL_SPEC_POWER,
+						      POWER_INFO_THERMAL_SPEC_MASK, 0,
+						      RAPL_DOMAIN_REG_INFO, POWER_UNIT, 0),
+	[MAX_POWER]		= PRIMITIVE_INFO_INIT(MAX_POWER, POWER_INFO_MAX_MASK, 32,
+						      RAPL_DOMAIN_REG_INFO, POWER_UNIT, 0),
+	[MIN_POWER]		= PRIMITIVE_INFO_INIT(MIN_POWER, POWER_INFO_MIN_MASK, 16,
+						      RAPL_DOMAIN_REG_INFO, POWER_UNIT, 0),
+	[MAX_TIME_WINDOW]	= PRIMITIVE_INFO_INIT(MAX_TIME_WINDOW,
+						      POWER_INFO_MAX_TIME_WIN_MASK, 48,
+						      RAPL_DOMAIN_REG_INFO, TIME_UNIT, 0),
+	[THROTTLED_TIME]	= PRIMITIVE_INFO_INIT(THROTTLED_TIME,
+						      PERF_STATUS_THROTTLE_TIME_MASK, 0,
+						      RAPL_DOMAIN_REG_PERF, TIME_UNIT, 0),
+	[PRIORITY_LEVEL]	= PRIMITIVE_INFO_INIT(PRIORITY_LEVEL, PP_POLICY_MASK, 0,
+						      RAPL_DOMAIN_REG_POLICY, ARBITRARY_UNIT, 0),
+	[PSYS_POWER_LIMIT1]	= PRIMITIVE_INFO_INIT(PSYS_POWER_LIMIT1, PSYS_POWER_LIMIT1_MASK, 0,
+						      RAPL_DOMAIN_REG_LIMIT, POWER_UNIT, 0),
+	[PSYS_POWER_LIMIT2]	= PRIMITIVE_INFO_INIT(PSYS_POWER_LIMIT2, PSYS_POWER_LIMIT2_MASK,
+						      32, RAPL_DOMAIN_REG_LIMIT, POWER_UNIT, 0),
+	[PSYS_PL1_ENABLE]	= PRIMITIVE_INFO_INIT(PSYS_PL1_ENABLE, PSYS_POWER_LIMIT1_ENABLE,
+						      17, RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT,
+						      0),
+	[PSYS_PL2_ENABLE]	= PRIMITIVE_INFO_INIT(PSYS_PL2_ENABLE, PSYS_POWER_LIMIT2_ENABLE,
+						      49, RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT,
+						      0),
+	[PSYS_TIME_WINDOW1]	= PRIMITIVE_INFO_INIT(PSYS_TIME_WINDOW1, PSYS_TIME_WINDOW1_MASK,
+						      19, RAPL_DOMAIN_REG_LIMIT, TIME_UNIT, 0),
+	[PSYS_TIME_WINDOW2]	= PRIMITIVE_INFO_INIT(PSYS_TIME_WINDOW2, PSYS_TIME_WINDOW2_MASK,
+						      51, RAPL_DOMAIN_REG_LIMIT, TIME_UNIT, 0),
 };
 
-/* List of MSR-based RAPL PMU support CPUs */
-static const struct x86_cpu_id pmu_support_ids[] = {
-	X86_MATCH_VFM(INTEL_PANTHERLAKE_L, NULL),
-	X86_MATCH_VFM(INTEL_WILDCATLAKE_L, NULL),
+static const struct rapl_defaults rapl_defaults_core = {
+	.floor_freq_reg_addr = 0,
+	.check_unit = rapl_default_check_unit,
+	.set_floor_freq = rapl_default_set_floor_freq,
+	.compute_time_window = rapl_default_compute_time_window,
+};
+
+static const struct rapl_defaults rapl_defaults_hsw_server = {
+	.check_unit = rapl_default_check_unit,
+	.set_floor_freq = rapl_default_set_floor_freq,
+	.compute_time_window = rapl_default_compute_time_window,
+	.dram_domain_energy_unit = 15300,
+};
+
+static const struct rapl_defaults rapl_defaults_spr_server = {
+	.check_unit = rapl_default_check_unit,
+	.set_floor_freq = rapl_default_set_floor_freq,
+	.compute_time_window = rapl_default_compute_time_window,
+	.psys_domain_energy_unit = NANOJOULE_PER_JOULE,
+	.spr_psys_bits = true,
+};
+
+static const struct rapl_defaults rapl_defaults_byt = {
+	.floor_freq_reg_addr = IOSF_CPU_POWER_BUDGET_CTL_BYT,
+	.check_unit = rapl_check_unit_atom,
+	.set_floor_freq = set_floor_freq_atom,
+	.compute_time_window = rapl_compute_time_window_atom,
+};
+
+static const struct rapl_defaults rapl_defaults_tng = {
+	.floor_freq_reg_addr = IOSF_CPU_POWER_BUDGET_CTL_TNG,
+	.check_unit = rapl_check_unit_atom,
+	.set_floor_freq = set_floor_freq_atom,
+	.compute_time_window = rapl_compute_time_window_atom,
+};
+
+static const struct rapl_defaults rapl_defaults_ann = {
+	.floor_freq_reg_addr = 0,
+	.check_unit = rapl_check_unit_atom,
+	.set_floor_freq = NULL,
+	.compute_time_window = rapl_compute_time_window_atom,
+};
+
+static const struct rapl_defaults rapl_defaults_cht = {
+	.floor_freq_reg_addr = 0,
+	.check_unit = rapl_check_unit_atom,
+	.set_floor_freq = NULL,
+	.compute_time_window = rapl_compute_time_window_atom,
+};
+
+static const struct rapl_defaults rapl_defaults_amd = {
+	.check_unit = rapl_default_check_unit,
+};
+
+static const struct rapl_defaults rapl_defaults_core_pl4 = {
+	.floor_freq_reg_addr = 0,
+	.check_unit = rapl_default_check_unit,
+	.set_floor_freq = rapl_default_set_floor_freq,
+	.compute_time_window = rapl_default_compute_time_window,
+	.msr_pl4_support = 1,
+};
+
+static const struct rapl_defaults rapl_defaults_core_pl4_pmu = {
+	.floor_freq_reg_addr = 0,
+	.check_unit = rapl_default_check_unit,
+	.set_floor_freq = rapl_default_set_floor_freq,
+	.compute_time_window = rapl_default_compute_time_window,
+	.msr_pl4_support = 1,
+	.msr_pmu_support = 1,
+};
+
+static const struct x86_cpu_id rapl_ids[]  = {
+	X86_MATCH_VFM(INTEL_SANDYBRIDGE,		&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_SANDYBRIDGE_X,		&rapl_defaults_core),
+
+	X86_MATCH_VFM(INTEL_IVYBRIDGE,			&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_IVYBRIDGE_X,		&rapl_defaults_core),
+
+	X86_MATCH_VFM(INTEL_HASWELL,			&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_HASWELL_L,			&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_HASWELL_G,			&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_HASWELL_X,			&rapl_defaults_hsw_server),
+
+	X86_MATCH_VFM(INTEL_BROADWELL,			&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_BROADWELL_G,		&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_BROADWELL_D,		&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_BROADWELL_X,		&rapl_defaults_hsw_server),
+
+	X86_MATCH_VFM(INTEL_SKYLAKE,			&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_SKYLAKE_L,			&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_SKYLAKE_X,			&rapl_defaults_hsw_server),
+	X86_MATCH_VFM(INTEL_KABYLAKE_L,			&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_KABYLAKE,			&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_CANNONLAKE_L,		&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_ICELAKE_L,			&rapl_defaults_core_pl4),
+	X86_MATCH_VFM(INTEL_ICELAKE,			&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_ICELAKE_NNPI,		&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_ICELAKE_X,			&rapl_defaults_hsw_server),
+	X86_MATCH_VFM(INTEL_ICELAKE_D,			&rapl_defaults_hsw_server),
+	X86_MATCH_VFM(INTEL_COMETLAKE_L,		&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_COMETLAKE,			&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_TIGERLAKE_L,		&rapl_defaults_core_pl4),
+	X86_MATCH_VFM(INTEL_TIGERLAKE,			&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_ROCKETLAKE,			&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_ALDERLAKE,			&rapl_defaults_core_pl4),
+	X86_MATCH_VFM(INTEL_ALDERLAKE_L,		&rapl_defaults_core_pl4),
+	X86_MATCH_VFM(INTEL_ATOM_GRACEMONT,		&rapl_defaults_core_pl4),
+	X86_MATCH_VFM(INTEL_RAPTORLAKE,			&rapl_defaults_core_pl4),
+	X86_MATCH_VFM(INTEL_RAPTORLAKE_P,		&rapl_defaults_core_pl4),
+	X86_MATCH_VFM(INTEL_RAPTORLAKE_S,		&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_BARTLETTLAKE,		&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_METEORLAKE,			&rapl_defaults_core_pl4),
+	X86_MATCH_VFM(INTEL_METEORLAKE_L,		&rapl_defaults_core_pl4),
+	X86_MATCH_VFM(INTEL_SAPPHIRERAPIDS_X,		&rapl_defaults_spr_server),
+	X86_MATCH_VFM(INTEL_EMERALDRAPIDS_X,		&rapl_defaults_spr_server),
+	X86_MATCH_VFM(INTEL_LUNARLAKE_M,		&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_PANTHERLAKE_L,		&rapl_defaults_core_pl4_pmu),
+	X86_MATCH_VFM(INTEL_WILDCATLAKE_L,		&rapl_defaults_core_pl4_pmu),
+	X86_MATCH_VFM(INTEL_NOVALAKE,			&rapl_defaults_core_pl4),
+	X86_MATCH_VFM(INTEL_NOVALAKE_L,			&rapl_defaults_core_pl4),
+	X86_MATCH_VFM(INTEL_ARROWLAKE_H,		&rapl_defaults_core_pl4),
+	X86_MATCH_VFM(INTEL_ARROWLAKE,			&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_ARROWLAKE_U,		&rapl_defaults_core_pl4),
+	X86_MATCH_VFM(INTEL_LAKEFIELD,			&rapl_defaults_core),
+
+	X86_MATCH_VFM(INTEL_ATOM_SILVERMONT,		&rapl_defaults_byt),
+	X86_MATCH_VFM(INTEL_ATOM_AIRMONT,		&rapl_defaults_cht),
+	X86_MATCH_VFM(INTEL_ATOM_SILVERMONT_MID,	&rapl_defaults_tng),
+	X86_MATCH_VFM(INTEL_ATOM_SILVERMONT_MID2,	&rapl_defaults_ann),
+	X86_MATCH_VFM(INTEL_ATOM_GOLDMONT,		&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_ATOM_GOLDMONT_PLUS,		&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_ATOM_GOLDMONT_D,		&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_ATOM_TREMONT,		&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_ATOM_TREMONT_D,		&rapl_defaults_core),
+	X86_MATCH_VFM(INTEL_ATOM_TREMONT_L,		&rapl_defaults_core),
+
+	X86_MATCH_VFM(INTEL_XEON_PHI_KNL,		&rapl_defaults_hsw_server),
+	X86_MATCH_VFM(INTEL_XEON_PHI_KNM,		&rapl_defaults_hsw_server),
+
+	X86_MATCH_VENDOR_FAM(AMD, 0x17,			&rapl_defaults_amd),
+	X86_MATCH_VENDOR_FAM(AMD, 0x19,			&rapl_defaults_amd),
+	X86_MATCH_VENDOR_FAM(AMD, 0x1A,			&rapl_defaults_amd),
+	X86_MATCH_VENDOR_FAM(HYGON, 0x18,		&rapl_defaults_amd),
 	{}
 };
+MODULE_DEVICE_TABLE(x86cpu, rapl_ids);
 
 static int rapl_msr_probe(struct platform_device *pdev)
 {
-	const struct x86_cpu_id *id = x86_match_cpu(pl4_support_ids);
 	int ret;
 
 	switch (boot_cpu_data.x86_vendor) {
@@ -204,17 +504,19 @@ static int rapl_msr_probe(struct platform_device *pdev)
 	}
 	rapl_msr_priv->read_raw = rapl_msr_read_raw;
 	rapl_msr_priv->write_raw = rapl_msr_write_raw;
+	rapl_msr_priv->defaults = (const struct rapl_defaults *)pdev->dev.platform_data;
+	rapl_msr_priv->rpi = rpi_msr;
 
-	if (id) {
+	if (rapl_msr_priv->defaults->msr_pl4_support) {
 		rapl_msr_priv->limits[RAPL_DOMAIN_PACKAGE] |= BIT(POWER_LIMIT4);
 		rapl_msr_priv->regs[RAPL_DOMAIN_PACKAGE][RAPL_DOMAIN_REG_PL4].msr =
 			MSR_VR_CURRENT_CONFIG;
-		pr_info("PL4 support detected.\n");
+		pr_info("PL4 support detected (updated).\n");
 	}
 
-	if (x86_match_cpu(pmu_support_ids)) {
+	if (rapl_msr_priv->defaults->msr_pmu_support) {
 		rapl_msr_pmu = true;
-		pr_info("MSR-based RAPL PMU support enabled\n");
+		pr_info("MSR-based RAPL PMU support enabled (updated)\n");
 	}
 
 	rapl_msr_priv->control_type = powercap_register_control_type(NULL, "intel-rapl", NULL);
@@ -258,8 +560,43 @@ static struct platform_driver intel_rapl_msr_driver = {
 	},
 };
 
-module_platform_driver(intel_rapl_msr_driver);
+static struct platform_device *rapl_msr_platdev;
+
+static int intel_rapl_msr_init(void)
+{
+	const struct rapl_defaults *def;
+	const struct x86_cpu_id *id;
+	int ret;
+
+	ret = platform_driver_register(&intel_rapl_msr_driver);
+	if (ret)
+		return ret;
+
+	/* Create the MSR RAPL platform device for supported platforms */
+	id = x86_match_cpu(rapl_ids);
+	if (!id)
+		return 0;
+
+	def = (const struct rapl_defaults *)id->driver_data;
+
+	rapl_msr_platdev = platform_device_register_data(NULL, "intel_rapl_msr", 0, def,
+							 sizeof(*def));
+	if (IS_ERR(rapl_msr_platdev))
+		pr_debug("intel_rapl_msr device register failed, ret:%ld\n",
+			 PTR_ERR(rapl_msr_platdev));
+
+	return 0;
+}
+module_init(intel_rapl_msr_init);
+
+static void intel_rapl_msr_exit(void)
+{
+	platform_device_unregister(rapl_msr_platdev);
+	platform_driver_unregister(&intel_rapl_msr_driver);
+}
+module_exit(intel_rapl_msr_exit);
 
 MODULE_DESCRIPTION("Driver for Intel RAPL (Running Average Power Limit) control via MSR interface");
 MODULE_AUTHOR("Zhang Rui <rui.zhang@intel.com>");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS("INTEL_RAPL");
diff --git a/drivers/powercap/intel_rapl_tpmi.c b/drivers/powercap/intel_rapl_tpmi.c
index ba956a2..7f41491 100644
--- a/drivers/powercap/intel_rapl_tpmi.c
+++ b/drivers/powercap/intel_rapl_tpmi.c
@@ -9,12 +9,14 @@
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/auxiliary_bus.h>
+#include <linux/bits.h>
 #include <linux/intel_rapl.h>
 #include <linux/intel_tpmi.h>
 #include <linux/intel_vsec.h>
 #include <linux/io.h>
 #include <linux/module.h>
 #include <linux/slab.h>
+#include <linux/units.h>
 
 #define TPMI_RAPL_MAJOR_VERSION 0
 #define TPMI_RAPL_MINOR_VERSION 1
@@ -60,6 +62,58 @@ static DEFINE_MUTEX(tpmi_rapl_lock);
 
 static struct powercap_control_type *tpmi_control_type;
 
+/* bitmasks for RAPL TPMI, used by primitive access functions */
+#define TPMI_POWER_LIMIT_MASK			GENMASK_ULL(17, 0)
+#define TPMI_POWER_LIMIT_ENABLE			BIT_ULL(62)
+#define TPMI_POWER_HIGH_LOCK			BIT_ULL(63)
+#define TPMI_TIME_WINDOW_MASK			GENMASK_ULL(24, 18)
+#define TPMI_INFO_SPEC_MASK			GENMASK_ULL(17, 0)
+#define TPMI_INFO_MIN_MASK			GENMASK_ULL(35, 18)
+#define TPMI_INFO_MAX_MASK			GENMASK_ULL(53, 36)
+#define TPMI_INFO_MAX_TIME_WIN_MASK		GENMASK_ULL(60, 54)
+#define TPMI_ENERGY_STATUS_MASK			GENMASK(31, 0)
+#define TPMI_PERF_STATUS_THROTTLE_TIME_MASK	GENMASK(31, 0)
+
+/* RAPL primitives for TPMI I/F */
+static struct rapl_primitive_info rpi_tpmi[NR_RAPL_PRIMITIVES] = {
+	/* name, mask, shift, msr index, unit divisor */
+	[POWER_LIMIT1]		= PRIMITIVE_INFO_INIT(POWER_LIMIT1, TPMI_POWER_LIMIT_MASK, 0,
+						      RAPL_DOMAIN_REG_LIMIT, POWER_UNIT, 0),
+	[POWER_LIMIT2]		= PRIMITIVE_INFO_INIT(POWER_LIMIT2, TPMI_POWER_LIMIT_MASK, 0,
+						      RAPL_DOMAIN_REG_PL2, POWER_UNIT, 0),
+	[POWER_LIMIT4]		= PRIMITIVE_INFO_INIT(POWER_LIMIT4, TPMI_POWER_LIMIT_MASK, 0,
+						      RAPL_DOMAIN_REG_PL4, POWER_UNIT, 0),
+	[ENERGY_COUNTER]	= PRIMITIVE_INFO_INIT(ENERGY_COUNTER, TPMI_ENERGY_STATUS_MASK, 0,
+						      RAPL_DOMAIN_REG_STATUS, ENERGY_UNIT, 0),
+	[PL1_LOCK]		= PRIMITIVE_INFO_INIT(PL1_LOCK, TPMI_POWER_HIGH_LOCK, 63,
+						      RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
+	[PL2_LOCK]		= PRIMITIVE_INFO_INIT(PL2_LOCK, TPMI_POWER_HIGH_LOCK, 63,
+						      RAPL_DOMAIN_REG_PL2, ARBITRARY_UNIT, 0),
+	[PL4_LOCK]		= PRIMITIVE_INFO_INIT(PL4_LOCK, TPMI_POWER_HIGH_LOCK, 63,
+						      RAPL_DOMAIN_REG_PL4, ARBITRARY_UNIT, 0),
+	[PL1_ENABLE]		= PRIMITIVE_INFO_INIT(PL1_ENABLE, TPMI_POWER_LIMIT_ENABLE, 62,
+						      RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
+	[PL2_ENABLE]		= PRIMITIVE_INFO_INIT(PL2_ENABLE, TPMI_POWER_LIMIT_ENABLE, 62,
+						      RAPL_DOMAIN_REG_PL2, ARBITRARY_UNIT, 0),
+	[PL4_ENABLE]		= PRIMITIVE_INFO_INIT(PL4_ENABLE, TPMI_POWER_LIMIT_ENABLE, 62,
+						      RAPL_DOMAIN_REG_PL4, ARBITRARY_UNIT, 0),
+	[TIME_WINDOW1]		= PRIMITIVE_INFO_INIT(TIME_WINDOW1, TPMI_TIME_WINDOW_MASK, 18,
+						      RAPL_DOMAIN_REG_LIMIT, TIME_UNIT, 0),
+	[TIME_WINDOW2]		= PRIMITIVE_INFO_INIT(TIME_WINDOW2, TPMI_TIME_WINDOW_MASK, 18,
+						      RAPL_DOMAIN_REG_PL2, TIME_UNIT, 0),
+	[THERMAL_SPEC_POWER]	= PRIMITIVE_INFO_INIT(THERMAL_SPEC_POWER, TPMI_INFO_SPEC_MASK, 0,
+						      RAPL_DOMAIN_REG_INFO, POWER_UNIT, 0),
+	[MAX_POWER]		= PRIMITIVE_INFO_INIT(MAX_POWER, TPMI_INFO_MAX_MASK, 36,
+						      RAPL_DOMAIN_REG_INFO, POWER_UNIT, 0),
+	[MIN_POWER]		= PRIMITIVE_INFO_INIT(MIN_POWER, TPMI_INFO_MIN_MASK, 18,
+						      RAPL_DOMAIN_REG_INFO, POWER_UNIT, 0),
+	[MAX_TIME_WINDOW]	= PRIMITIVE_INFO_INIT(MAX_TIME_WINDOW, TPMI_INFO_MAX_TIME_WIN_MASK,
+						      54, RAPL_DOMAIN_REG_INFO, TIME_UNIT, 0),
+	[THROTTLED_TIME]	= PRIMITIVE_INFO_INIT(THROTTLED_TIME,
+						      TPMI_PERF_STATUS_THROTTLE_TIME_MASK,
+						      0, RAPL_DOMAIN_REG_PERF, TIME_UNIT, 0),
+};
+
 static int tpmi_rapl_read_raw(int id, struct reg_action *ra, bool atomic)
 {
 	if (!ra->reg.mmio)
@@ -250,6 +304,50 @@ static int parse_one_domain(struct tpmi_rapl_package *trp, u32 offset)
 	return 0;
 }
 
+/* TPMI Unit register has different layout */
+#define TPMI_ENERGY_UNIT_SCALE		1000
+#define TPMI_POWER_UNIT_OFFSET		0x00
+#define TPMI_POWER_UNIT_MASK		GENMASK(3, 0)
+#define TPMI_ENERGY_UNIT_OFFSET		0x06
+#define TPMI_ENERGY_UNIT_MASK		GENMASK_ULL(10, 6)
+#define TPMI_TIME_UNIT_OFFSET		0x0C
+#define TPMI_TIME_UNIT_MASK		GENMASK_ULL(15, 12)
+
+static int rapl_check_unit_tpmi(struct rapl_domain *rd)
+{
+	struct reg_action ra;
+	u32 value;
+
+	ra.reg = rd->regs[RAPL_DOMAIN_REG_UNIT];
+	ra.mask = ~0;
+	if (tpmi_rapl_read_raw(rd->rp->id, &ra, false)) {
+		pr_err("Failed to read power unit REG 0x%llx on %s:%s, exit.\n",
+			ra.reg.val, rd->rp->name, rd->name);
+		return -ENODEV;
+	}
+
+	value = (ra.value & TPMI_ENERGY_UNIT_MASK) >> TPMI_ENERGY_UNIT_OFFSET;
+	rd->energy_unit = (TPMI_ENERGY_UNIT_SCALE * MICROJOULE_PER_JOULE) >> value;
+
+	value = (ra.value & TPMI_POWER_UNIT_MASK) >> TPMI_POWER_UNIT_OFFSET;
+	rd->power_unit = MICROWATT_PER_WATT >> value;
+
+	value = (ra.value & TPMI_TIME_UNIT_MASK) >> TPMI_TIME_UNIT_OFFSET;
+	rd->time_unit = USEC_PER_SEC >> value;
+
+	pr_debug("Core CPU %s:%s energy=%dpJ, time=%dus, power=%duW\n",
+		 rd->rp->name, rd->name, rd->energy_unit, rd->time_unit, rd->power_unit);
+
+	return 0;
+}
+
+static const struct rapl_defaults defaults_tpmi = {
+	.check_unit = rapl_check_unit_tpmi,
+	/* Reuse existing logic, ignore the PL_CLAMP failures and enable all Power Limits */
+	.set_floor_freq = rapl_default_set_floor_freq,
+	.compute_time_window = rapl_default_compute_time_window,
+};
+
 static int intel_rapl_tpmi_probe(struct auxiliary_device *auxdev,
 				 const struct auxiliary_device_id *id)
 {
@@ -297,6 +395,8 @@ static int intel_rapl_tpmi_probe(struct auxiliary_device *auxdev,
 	trp->priv.read_raw = tpmi_rapl_read_raw;
 	trp->priv.write_raw = tpmi_rapl_write_raw;
 	trp->priv.control_type = tpmi_control_type;
+	trp->priv.defaults = &defaults_tpmi;
+	trp->priv.rpi = rpi_tpmi;
 
 	/* RAPL TPMI I/F is per physical package */
 	trp->rp = rapl_find_package_domain(info->package_id, &trp->priv, false);
@@ -348,6 +448,7 @@ static struct auxiliary_driver intel_rapl_tpmi_driver = {
 
 module_auxiliary_driver(intel_rapl_tpmi_driver)
 
+MODULE_IMPORT_NS("INTEL_RAPL");
 MODULE_IMPORT_NS("INTEL_TPMI");
 
 MODULE_DESCRIPTION("Intel RAPL TPMI Driver");
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index 0743c6a..2a882d3 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -27,6 +27,7 @@
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
+#include <linux/acpi.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
@@ -215,6 +216,11 @@ static inline void cmos_write_bank2(unsigned char val, unsigned char addr)
 
 /*----------------------------------------------------------------*/
 
+static bool cmos_no_alarm(struct cmos_rtc *cmos)
+{
+	return !is_valid_irq(cmos->irq) && !cmos_use_acpi_alarm();
+}
+
 static int cmos_read_time(struct device *dev, struct rtc_time *t)
 {
 	int ret;
@@ -286,7 +292,7 @@ static int cmos_read_alarm(struct device *dev, struct rtc_wkalrm *t)
 	};
 
 	/* This not only a rtc_op, but also called directly */
-	if (!is_valid_irq(cmos->irq))
+	if (cmos_no_alarm(cmos))
 		return -ETIMEDOUT;
 
 	/* Basic alarms only support hour, minute, and seconds fields.
@@ -519,7 +525,7 @@ static int cmos_set_alarm(struct device *dev, struct rtc_wkalrm *t)
 	int ret;
 
 	/* This not only a rtc_op, but also called directly */
-	if (!is_valid_irq(cmos->irq))
+	if (cmos_no_alarm(cmos))
 		return -EIO;
 
 	ret = cmos_validate_alarm(dev, t);
@@ -816,6 +822,9 @@ static void rtc_wake_off(struct device *dev)
 #ifdef CONFIG_X86
 static void use_acpi_alarm_quirks(void)
 {
+	if (acpi_gbl_FADT.flags & ACPI_FADT_FIXED_RTC)
+		return;
+
 	switch (boot_cpu_data.x86_vendor) {
 	case X86_VENDOR_INTEL:
 		if (dmi_get_bios_year() < 2015)
@@ -829,8 +838,6 @@ static void use_acpi_alarm_quirks(void)
 	default:
 		return;
 	}
-	if (!is_hpet_enabled())
-		return;
 
 	use_acpi_alarm = true;
 }
@@ -1094,7 +1101,7 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
 			dev_dbg(dev, "IRQ %d is already in use\n", rtc_irq);
 			goto cleanup1;
 		}
-	} else {
+	} else if (!cmos_use_acpi_alarm()) {
 		clear_bit(RTC_FEATURE_ALARM, cmos_rtc.rtc->features);
 	}
 
@@ -1119,7 +1126,7 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
 		acpi_rtc_event_setup(dev);
 
 	dev_info(dev, "%s%s, %d bytes nvram%s\n",
-		 !is_valid_irq(rtc_irq) ? "no alarms" :
+		 cmos_no_alarm(&cmos_rtc) ? "no alarms" :
 		 cmos_rtc.mon_alrm ? "alarms up to one year" :
 		 cmos_rtc.day_alrm ? "alarms up to one month" :
 		 "alarms up to one day",
@@ -1145,7 +1152,7 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
 static void cmos_do_shutdown(int rtc_irq)
 {
 	spin_lock_irq(&rtc_lock);
-	if (is_valid_irq(rtc_irq))
+	if (!cmos_no_alarm(&cmos_rtc))
 		cmos_irq_disable(&cmos_rtc, RTC_IRQMASK);
 	spin_unlock_irq(&rtc_lock);
 }
@@ -1369,85 +1376,6 @@ static int __maybe_unused cmos_resume(struct device *dev)
 
 static SIMPLE_DEV_PM_OPS(cmos_pm_ops, cmos_suspend, cmos_resume);
 
-/*----------------------------------------------------------------*/
-
-/* On non-x86 systems, a "CMOS" RTC lives most naturally on platform_bus.
- * ACPI systems always list these as PNPACPI devices, and pre-ACPI PCs
- * probably list them in similar PNPBIOS tables; so PNP is more common.
- *
- * We don't use legacy "poke at the hardware" probing.  Ancient PCs that
- * predate even PNPBIOS should set up platform_bus devices.
- */
-
-#ifdef	CONFIG_PNP
-
-#include <linux/pnp.h>
-
-static int cmos_pnp_probe(struct pnp_dev *pnp, const struct pnp_device_id *id)
-{
-	int irq;
-
-	if (pnp_port_start(pnp, 0) == 0x70 && !pnp_irq_valid(pnp, 0)) {
-		irq = 0;
-#ifdef CONFIG_X86
-		/* Some machines contain a PNP entry for the RTC, but
-		 * don't define the IRQ. It should always be safe to
-		 * hardcode it on systems with a legacy PIC.
-		 */
-		if (nr_legacy_irqs())
-			irq = RTC_IRQ;
-#endif
-	} else {
-		irq = pnp_irq(pnp, 0);
-	}
-
-	return cmos_do_probe(&pnp->dev, pnp_get_resource(pnp, IORESOURCE_IO, 0), irq);
-}
-
-static void cmos_pnp_remove(struct pnp_dev *pnp)
-{
-	cmos_do_remove(&pnp->dev);
-}
-
-static void cmos_pnp_shutdown(struct pnp_dev *pnp)
-{
-	struct device *dev = &pnp->dev;
-	struct cmos_rtc	*cmos = dev_get_drvdata(dev);
-
-	if (system_state == SYSTEM_POWER_OFF) {
-		int retval = cmos_poweroff(dev);
-
-		if (cmos_aie_poweroff(dev) < 0 && !retval)
-			return;
-	}
-
-	cmos_do_shutdown(cmos->irq);
-}
-
-static const struct pnp_device_id rtc_ids[] = {
-	{ .id = "PNP0b00", },
-	{ .id = "PNP0b01", },
-	{ .id = "PNP0b02", },
-	{ },
-};
-MODULE_DEVICE_TABLE(pnp, rtc_ids);
-
-static struct pnp_driver cmos_pnp_driver = {
-	.name		= driver_name,
-	.id_table	= rtc_ids,
-	.probe		= cmos_pnp_probe,
-	.remove		= cmos_pnp_remove,
-	.shutdown	= cmos_pnp_shutdown,
-
-	/* flag ensures resume() gets called, and stops syslog spam */
-	.flags		= PNP_DRIVER_RES_DO_NOT_CHANGE,
-	.driver		= {
-			.pm = &cmos_pm_ops,
-	},
-};
-
-#endif	/* CONFIG_PNP */
-
 #ifdef CONFIG_OF
 static const struct of_device_id of_cmos_match[] = {
 	{
@@ -1476,6 +1404,14 @@ static __init void cmos_of_init(struct platform_device *pdev)
 #else
 static inline void cmos_of_init(struct platform_device *pdev) {}
 #endif
+
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id acpi_cmos_rtc_ids[] = {
+	ACPI_CMOS_RTC_IDS
+};
+MODULE_DEVICE_TABLE(acpi, acpi_cmos_rtc_ids);
+#endif
+
 /*----------------------------------------------------------------*/
 
 /* Platform setup should have set up an RTC device, when PNP is
@@ -1493,9 +1429,18 @@ static int __init cmos_platform_probe(struct platform_device *pdev)
 		resource = platform_get_resource(pdev, IORESOURCE_IO, 0);
 	else
 		resource = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	irq = platform_get_irq(pdev, 0);
-	if (irq < 0)
+	irq = platform_get_irq_optional(pdev, 0);
+	if (irq < 0) {
 		irq = -1;
+#ifdef CONFIG_X86
+		/*
+		 * On some x86 systems the IRQ is not defined, but it should
+		 * always be safe to hardcode it on systems with a legacy PIC.
+		 */
+		if (nr_legacy_irqs())
+			irq = RTC_IRQ;
+#endif
+	}
 
 	return cmos_do_probe(&pdev->dev, resource, irq);
 }
@@ -1530,48 +1475,31 @@ static struct platform_driver cmos_platform_driver = {
 		.name		= driver_name,
 		.pm		= &cmos_pm_ops,
 		.of_match_table = of_match_ptr(of_cmos_match),
+		.acpi_match_table = ACPI_PTR(acpi_cmos_rtc_ids),
 	}
 };
 
-#ifdef CONFIG_PNP
-static bool pnp_driver_registered;
-#endif
 static bool platform_driver_registered;
 
 static int __init cmos_init(void)
 {
-	int retval = 0;
+	int retval;
 
-#ifdef	CONFIG_PNP
-	retval = pnp_register_driver(&cmos_pnp_driver);
-	if (retval == 0)
-		pnp_driver_registered = true;
-#endif
-
-	if (!cmos_rtc.dev) {
-		retval = platform_driver_probe(&cmos_platform_driver,
-					       cmos_platform_probe);
-		if (retval == 0)
-			platform_driver_registered = true;
-	}
-
-	if (retval == 0)
+	if (cmos_rtc.dev)
 		return 0;
 
-#ifdef	CONFIG_PNP
-	if (pnp_driver_registered)
-		pnp_unregister_driver(&cmos_pnp_driver);
-#endif
-	return retval;
+	retval = platform_driver_probe(&cmos_platform_driver, cmos_platform_probe);
+	if (retval)
+		return retval;
+
+	platform_driver_registered = true;
+
+	return 0;
 }
 module_init(cmos_init);
 
 static void __exit cmos_exit(void)
 {
-#ifdef	CONFIG_PNP
-	if (pnp_driver_registered)
-		pnp_unregister_driver(&cmos_pnp_driver);
-#endif
 	if (platform_driver_registered)
 		platform_driver_unregister(&cmos_platform_driver);
 }
diff --git a/drivers/thermal/devfreq_cooling.c b/drivers/thermal/devfreq_cooling.c
index 597e86d..1c7dffc 100644
--- a/drivers/thermal/devfreq_cooling.c
+++ b/drivers/thermal/devfreq_cooling.c
@@ -472,7 +472,8 @@ of_devfreq_cooling_register_power(struct device_node *np, struct devfreq *df,
 remove_qos_req:
 	dev_pm_qos_remove_request(&dfc->req_max_freq);
 free_table:
-	kfree(dfc->freq_table);
+	if (!dfc->em_pd)
+		kfree(dfc->freq_table);
 free_dfc:
 	kfree(dfc);
 
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_rapl.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_rapl.c
index bf51a17..f8b9745 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_rapl.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_rapl.c
@@ -11,6 +11,77 @@
 
 static struct rapl_if_priv rapl_mmio_priv;
 
+/* bitmasks for RAPL MSRs, used by primitive access functions */
+#define MMIO_ENERGY_STATUS_MASK			GENMASK(31, 0)
+
+#define MMIO_POWER_LIMIT1_MASK			GENMASK(14, 0)
+#define MMIO_POWER_LIMIT1_ENABLE		BIT(15)
+#define MMIO_POWER_LIMIT1_CLAMP			BIT(16)
+
+#define MMIO_POWER_LIMIT2_MASK			GENMASK_ULL(46, 32)
+#define MMIO_POWER_LIMIT2_ENABLE		BIT_ULL(47)
+#define MMIO_POWER_LIMIT2_CLAMP			BIT_ULL(48)
+
+#define MMIO_POWER_LOW_LOCK			BIT(31)
+#define MMIO_POWER_HIGH_LOCK			BIT_ULL(63)
+
+#define MMIO_POWER_LIMIT4_MASK			GENMASK(12, 0)
+
+#define MMIO_TIME_WINDOW1_MASK			GENMASK_ULL(23, 17)
+#define MMIO_TIME_WINDOW2_MASK			GENMASK_ULL(55, 49)
+
+#define MMIO_POWER_INFO_MAX_MASK		GENMASK_ULL(46, 32)
+#define MMIO_POWER_INFO_MIN_MASK		GENMASK_ULL(30, 16)
+#define MMIO_POWER_INFO_MAX_TIME_WIN_MASK	GENMASK_ULL(53, 48)
+#define MMIO_POWER_INFO_THERMAL_SPEC_MASK	GENMASK(14, 0)
+
+#define MMIO_PERF_STATUS_THROTTLE_TIME_MASK	GENMASK(31, 0)
+#define MMIO_PP_POLICY_MASK			GENMASK(4, 0)
+
+/* RAPL primitives for MMIO I/F */
+static struct rapl_primitive_info rpi_mmio[NR_RAPL_PRIMITIVES] = {
+	/* name, mask, shift, msr index, unit divisor */
+	[POWER_LIMIT1]		= PRIMITIVE_INFO_INIT(POWER_LIMIT1, MMIO_POWER_LIMIT1_MASK, 0,
+						      RAPL_DOMAIN_REG_LIMIT, POWER_UNIT, 0),
+	[POWER_LIMIT2]		= PRIMITIVE_INFO_INIT(POWER_LIMIT2, MMIO_POWER_LIMIT2_MASK, 32,
+						      RAPL_DOMAIN_REG_LIMIT, POWER_UNIT, 0),
+	[POWER_LIMIT4]		= PRIMITIVE_INFO_INIT(POWER_LIMIT4, MMIO_POWER_LIMIT4_MASK, 0,
+						      RAPL_DOMAIN_REG_PL4, POWER_UNIT, 0),
+	[ENERGY_COUNTER]	= PRIMITIVE_INFO_INIT(ENERGY_COUNTER, MMIO_ENERGY_STATUS_MASK, 0,
+						      RAPL_DOMAIN_REG_STATUS, ENERGY_UNIT, 0),
+	[FW_LOCK]		= PRIMITIVE_INFO_INIT(FW_LOCK, MMIO_POWER_LOW_LOCK, 31,
+						      RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
+	[FW_HIGH_LOCK]		= PRIMITIVE_INFO_INIT(FW_LOCK, MMIO_POWER_HIGH_LOCK, 63,
+						      RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
+	[PL1_ENABLE]		= PRIMITIVE_INFO_INIT(PL1_ENABLE, MMIO_POWER_LIMIT1_ENABLE, 15,
+						      RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
+	[PL1_CLAMP]		= PRIMITIVE_INFO_INIT(PL1_CLAMP, MMIO_POWER_LIMIT1_CLAMP, 16,
+						      RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
+	[PL2_ENABLE]		= PRIMITIVE_INFO_INIT(PL2_ENABLE, MMIO_POWER_LIMIT2_ENABLE, 47,
+						      RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
+	[PL2_CLAMP]		= PRIMITIVE_INFO_INIT(PL2_CLAMP, MMIO_POWER_LIMIT2_CLAMP, 48,
+						      RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
+	[TIME_WINDOW1]		= PRIMITIVE_INFO_INIT(TIME_WINDOW1, MMIO_TIME_WINDOW1_MASK, 17,
+						      RAPL_DOMAIN_REG_LIMIT, TIME_UNIT, 0),
+	[TIME_WINDOW2]		= PRIMITIVE_INFO_INIT(TIME_WINDOW2, MMIO_TIME_WINDOW2_MASK, 49,
+						      RAPL_DOMAIN_REG_LIMIT, TIME_UNIT, 0),
+	[THERMAL_SPEC_POWER]	= PRIMITIVE_INFO_INIT(THERMAL_SPEC_POWER,
+						      MMIO_POWER_INFO_THERMAL_SPEC_MASK, 0,
+						      RAPL_DOMAIN_REG_INFO, POWER_UNIT, 0),
+	[MAX_POWER]		= PRIMITIVE_INFO_INIT(MAX_POWER, MMIO_POWER_INFO_MAX_MASK, 32,
+						      RAPL_DOMAIN_REG_INFO, POWER_UNIT, 0),
+	[MIN_POWER]		= PRIMITIVE_INFO_INIT(MIN_POWER, MMIO_POWER_INFO_MIN_MASK, 16,
+						      RAPL_DOMAIN_REG_INFO, POWER_UNIT, 0),
+	[MAX_TIME_WINDOW]	= PRIMITIVE_INFO_INIT(MAX_TIME_WINDOW,
+						      MMIO_POWER_INFO_MAX_TIME_WIN_MASK, 48,
+						      RAPL_DOMAIN_REG_INFO, TIME_UNIT, 0),
+	[THROTTLED_TIME]	= PRIMITIVE_INFO_INIT(THROTTLED_TIME,
+						      MMIO_PERF_STATUS_THROTTLE_TIME_MASK, 0,
+						      RAPL_DOMAIN_REG_PERF, TIME_UNIT, 0),
+	[PRIORITY_LEVEL]	= PRIMITIVE_INFO_INIT(PRIORITY_LEVEL, MMIO_PP_POLICY_MASK, 0,
+						      RAPL_DOMAIN_REG_POLICY, ARBITRARY_UNIT, 0),
+};
+
 static const struct rapl_mmio_regs rapl_mmio_default = {
 	.reg_unit = 0x5938,
 	.regs[RAPL_DOMAIN_PACKAGE] = { 0x59a0, 0x593c, 0x58f0, 0, 0x5930, 0x59b0},
@@ -19,6 +90,13 @@ static const struct rapl_mmio_regs rapl_mmio_default = {
 	.limits[RAPL_DOMAIN_DRAM] = BIT(POWER_LIMIT2),
 };
 
+static const struct rapl_defaults rapl_defaults_mmio = {
+	.floor_freq_reg_addr = 0,
+	.check_unit = rapl_default_check_unit,
+	.set_floor_freq = rapl_default_set_floor_freq,
+	.compute_time_window = rapl_default_compute_time_window,
+};
+
 static int rapl_mmio_read_raw(int cpu, struct reg_action *ra, bool atomic)
 {
 	if (!ra->reg.mmio)
@@ -67,6 +145,8 @@ int proc_thermal_rapl_add(struct pci_dev *pdev, struct proc_thermal_device *proc
 
 	rapl_mmio_priv.read_raw = rapl_mmio_read_raw;
 	rapl_mmio_priv.write_raw = rapl_mmio_write_raw;
+	rapl_mmio_priv.defaults = &rapl_defaults_mmio;
+	rapl_mmio_priv.rpi = rpi_mmio;
 
 	rapl_mmio_priv.control_type = powercap_register_control_type(NULL, "intel-rapl-mmio", NULL);
 	if (IS_ERR(rapl_mmio_priv.control_type)) {
@@ -111,4 +191,5 @@ void proc_thermal_rapl_remove(void)
 EXPORT_SYMBOL_GPL(proc_thermal_rapl_remove);
 
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS("INTEL_RAPL");
 MODULE_DESCRIPTION("RAPL interface using MMIO");
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_rfim.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_rfim.c
index 314fbc1..1a7e134 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_rfim.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_rfim.c
@@ -402,17 +402,31 @@ static ssize_t rfi_restriction_show(struct device *dev,
 	return sysfs_emit(buf, "%llu\n", resp);
 }
 
+ /* ddr_data_rate */
+static const struct mmio_reg nvl_ddr_data_rate_reg = { 1, 0xE0, 10, 0x3FF, 2};
+
+static const struct mmio_reg *ddr_data_rate_reg;
+
 static ssize_t ddr_data_rate_show(struct device *dev,
 				  struct device_attribute *attr,
 				  char *buf)
 {
-	u16 id = 0x0107;
 	u64 resp;
-	int ret;
 
-	ret = processor_thermal_send_mbox_read_cmd(to_pci_dev(dev), id, &resp);
-	if (ret)
-		return ret;
+	if (ddr_data_rate_reg) {
+		u16 reg_val;
+
+		pci_read_config_word(to_pci_dev(dev), ddr_data_rate_reg->offset, &reg_val);
+		resp = (reg_val >> ddr_data_rate_reg->shift) & ddr_data_rate_reg->mask;
+		resp = (resp * 3333) / 100;
+	} else {
+		const u16 id = 0x0107;
+		int ret;
+
+		ret = processor_thermal_send_mbox_read_cmd(to_pci_dev(dev), id, &resp);
+		if (ret)
+			return ret;
+	}
 
 	return sysfs_emit(buf, "%llu\n", resp);
 }
@@ -461,6 +475,7 @@ int proc_thermal_rfim_add(struct pci_dev *pdev, struct proc_thermal_device *proc
 		case PCI_DEVICE_ID_INTEL_NVL_H_THERMAL:
 		case PCI_DEVICE_ID_INTEL_NVL_S_THERMAL:
 			dlvr_mmio_regs_table = nvl_dlvr_mmio_regs;
+			ddr_data_rate_reg = &nvl_ddr_data_rate_reg;
 			break;
 		default:
 			dlvr_mmio_regs_table = dlvr_mmio_regs;
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_soc_slider.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_soc_slider.c
index 49ff3ba..91f2916 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_soc_slider.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_soc_slider.c
@@ -176,15 +176,21 @@ static inline void write_soc_slider(struct proc_thermal_device *proc_priv, u64 v
 
 static void set_soc_power_profile(struct proc_thermal_device *proc_priv, int slider)
 {
+	u8 offset;
 	u64 val;
 
 	val = read_soc_slider(proc_priv);
 	val &= ~SLIDER_MASK;
 	val |= FIELD_PREP(SLIDER_MASK, slider) | BIT(SLIDER_ENABLE_BIT);
 
+	if (slider == SOC_SLIDER_VALUE_MINIMUM || slider == SOC_SLIDER_VALUE_MAXIMUM)
+		offset = 0;
+	else
+		offset = slider_offset;
+
 	/* Set the slider offset from module params */
 	val &= ~SLIDER_OFFSET_MASK;
-	val |= FIELD_PREP(SLIDER_OFFSET_MASK, slider_offset);
+	val |= FIELD_PREP(SLIDER_OFFSET_MASK, offset);
 
 	write_soc_slider(proc_priv, val);
 }
diff --git a/drivers/thermal/intel/intel_hfi.c b/drivers/thermal/intel/intel_hfi.c
index 1a1a95b..8c4ae75 100644
--- a/drivers/thermal/intel/intel_hfi.c
+++ b/drivers/thermal/intel/intel_hfi.c
@@ -526,7 +526,7 @@ void intel_hfi_offline(unsigned int cpu)
 	mutex_lock(&hfi_instance_lock);
 	cpumask_clear_cpu(cpu, hfi_instance->cpus);
 
-	if (!cpumask_weight(hfi_instance->cpus))
+	if (cpumask_empty(hfi_instance->cpus))
 		hfi_disable();
 
 	mutex_unlock(&hfi_instance_lock);
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index b7d706e..479916b 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -861,7 +861,7 @@ static int thermal_bind_cdev_to_trip(struct thermal_zone_device *tz,
 		goto free_mem;
 
 	dev->id = result;
-	sprintf(dev->name, "cdev%d", dev->id);
+	snprintf(dev->name, sizeof(dev->name), "cdev%d", dev->id);
 	result =
 	    sysfs_create_link(&tz->device.kobj, &cdev->device.kobj, dev->name);
 	if (result)
diff --git a/drivers/thermal/thermal_sysfs.c b/drivers/thermal/thermal_sysfs.c
index 46b3b2d..5eecae1 100644
--- a/drivers/thermal/thermal_sysfs.c
+++ b/drivers/thermal/thermal_sysfs.c
@@ -18,6 +18,7 @@
 #include <linux/err.h>
 #include <linux/slab.h>
 #include <linux/string.h>
+#include <linux/string_choices.h>
 #include <linux/jiffies.h>
 
 #include "thermal_core.h"
@@ -56,10 +57,8 @@ mode_show(struct device *dev, struct device_attribute *attr, char *buf)
 
 	guard(thermal_zone)(tz);
 
-	if (tz->mode == THERMAL_DEVICE_ENABLED)
-		return sysfs_emit(buf, "enabled\n");
-
-	return sysfs_emit(buf, "disabled\n");
+	return sysfs_emit(buf, "%s\n",
+		str_enabled_disabled(tz->mode == THERMAL_DEVICE_ENABLED));
 }
 
 static ssize_t
diff --git a/drivers/watchdog/ni903x_wdt.c b/drivers/watchdog/ni903x_wdt.c
index 045bb72d..8b1b9ba 100644
--- a/drivers/watchdog/ni903x_wdt.c
+++ b/drivers/watchdog/ni903x_wdt.c
@@ -8,6 +8,7 @@
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/module.h>
+#include <linux/platform_device.h>
 #include <linux/watchdog.h>
 
 #define NIWD_CONTROL	0x01
@@ -177,9 +178,9 @@ static const struct watchdog_ops ni903x_wdd_ops = {
 	.get_timeleft = ni903x_wdd_get_timeleft,
 };
 
-static int ni903x_acpi_add(struct acpi_device *device)
+static int ni903x_acpi_probe(struct platform_device *pdev)
 {
-	struct device *dev = &device->dev;
+	struct device *dev = &pdev->dev;
 	struct watchdog_device *wdd;
 	struct ni903x_wdt *wdt;
 	acpi_status status;
@@ -189,10 +190,10 @@ static int ni903x_acpi_add(struct acpi_device *device)
 	if (!wdt)
 		return -ENOMEM;
 
-	device->driver_data = wdt;
+	platform_set_drvdata(pdev, wdt);
 	wdt->dev = dev;
 
-	status = acpi_walk_resources(device->handle, METHOD_NAME__CRS,
+	status = acpi_walk_resources(ACPI_HANDLE(dev), METHOD_NAME__CRS,
 				     ni903x_resources, wdt);
 	if (ACPI_FAILURE(status) || wdt->io_base == 0) {
 		dev_err(dev, "failed to get resources\n");
@@ -224,9 +225,9 @@ static int ni903x_acpi_add(struct acpi_device *device)
 	return 0;
 }
 
-static void ni903x_acpi_remove(struct acpi_device *device)
+static void ni903x_acpi_remove(struct platform_device *pdev)
 {
-	struct ni903x_wdt *wdt = acpi_driver_data(device);
+	struct ni903x_wdt *wdt = platform_get_drvdata(pdev);
 
 	ni903x_wdd_stop(&wdt->wdd);
 	watchdog_unregister_device(&wdt->wdd);
@@ -238,16 +239,16 @@ static const struct acpi_device_id ni903x_device_ids[] = {
 };
 MODULE_DEVICE_TABLE(acpi, ni903x_device_ids);
 
-static struct acpi_driver ni903x_acpi_driver = {
-	.name = NIWD_NAME,
-	.ids = ni903x_device_ids,
-	.ops = {
-		.add = ni903x_acpi_add,
-		.remove = ni903x_acpi_remove,
+static struct platform_driver ni903x_acpi_driver = {
+	.probe = ni903x_acpi_probe,
+	.remove = ni903x_acpi_remove,
+	.driver = {
+		.name = NIWD_NAME,
+		.acpi_match_table = ni903x_device_ids,
 	},
 };
 
-module_acpi_driver(ni903x_acpi_driver);
+module_platform_driver(ni903x_acpi_driver);
 
 MODULE_DESCRIPTION("NI 903x Watchdog");
 MODULE_AUTHOR("Jeff Westfahl <jeff.westfahl@ni.com>");
diff --git a/drivers/xen/xen-acpi-pad.c b/drivers/xen/xen-acpi-pad.c
index ede69a5..75a3986 100644
--- a/drivers/xen/xen-acpi-pad.c
+++ b/drivers/xen/xen-acpi-pad.c
@@ -11,6 +11,7 @@
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/acpi.h>
+#include <linux/platform_device.h>
 #include <xen/xen.h>
 #include <xen/interface/version.h>
 #include <xen/xen-ops.h>
@@ -107,8 +108,9 @@ static void acpi_pad_notify(acpi_handle handle, u32 event,
 	}
 }
 
-static int acpi_pad_add(struct acpi_device *device)
+static int acpi_pad_probe(struct platform_device *pdev)
 {
+	struct acpi_device *device = ACPI_COMPANION(&pdev->dev);
 	acpi_status status;
 
 	strcpy(acpi_device_name(device), ACPI_PROCESSOR_AGGREGATOR_DEVICE_NAME);
@@ -122,13 +124,13 @@ static int acpi_pad_add(struct acpi_device *device)
 	return 0;
 }
 
-static void acpi_pad_remove(struct acpi_device *device)
+static void acpi_pad_remove(struct platform_device *pdev)
 {
 	mutex_lock(&xen_cpu_lock);
 	xen_acpi_pad_idle_cpus(0);
 	mutex_unlock(&xen_cpu_lock);
 
-	acpi_remove_notify_handler(device->handle,
+	acpi_remove_notify_handler(ACPI_HANDLE(&pdev->dev),
 		ACPI_DEVICE_NOTIFY, acpi_pad_notify);
 }
 
@@ -137,13 +139,12 @@ static const struct acpi_device_id pad_device_ids[] = {
 	{"", 0},
 };
 
-static struct acpi_driver acpi_pad_driver = {
-	.name = "processor_aggregator",
-	.class = ACPI_PROCESSOR_AGGREGATOR_CLASS,
-	.ids = pad_device_ids,
-	.ops = {
-		.add = acpi_pad_add,
-		.remove = acpi_pad_remove,
+static struct platform_driver acpi_pad_driver = {
+	.probe = acpi_pad_probe,
+	.remove = acpi_pad_remove,
+	.driver = {
+		.name = "acpi_processor_aggregator",
+		.acpi_match_table = pad_device_ids,
 	},
 };
 
@@ -157,6 +158,6 @@ static int __init xen_acpi_pad_init(void)
 	if (!xen_running_on_version_or_later(4, 2))
 		return -ENODEV;
 
-	return acpi_bus_register_driver(&acpi_pad_driver);
+	return platform_driver_register(&acpi_pad_driver);
 }
 subsys_initcall(xen_acpi_pad_init);
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index aad1a95..b701b5f 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -613,6 +613,8 @@ struct acpi_bus_event {
 	u32 data;
 };
 
+#define ACPI_AC_CLASS	"ac_adapter"
+
 extern struct kobject *acpi_kobj;
 extern int acpi_bus_generate_netlink_event(const char*, const char*, u8, int);
 void acpi_bus_private_data_handler(acpi_handle, void *);
@@ -625,7 +627,8 @@ int acpi_dev_install_notify_handler(struct acpi_device *adev,
 void acpi_dev_remove_notify_handler(struct acpi_device *adev,
 				    u32 handler_type,
 				    acpi_notify_handler handler);
-extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32);
+extern int acpi_notifier_call_chain(const char *device_class,
+				    const char *bus_id, u32 type, u32 data);
 extern int register_acpi_notifier(struct notifier_block *);
 extern int unregister_acpi_notifier(struct notifier_block *);
 
@@ -760,8 +763,6 @@ int acpi_disable_wakeup_device_power(struct acpi_device *dev);
 #ifdef CONFIG_X86
 bool acpi_device_override_status(struct acpi_device *adev, unsigned long long *status);
 bool acpi_quirk_skip_acpi_ac_and_battery(void);
-int acpi_install_cmos_rtc_space_handler(acpi_handle handle);
-void acpi_remove_cmos_rtc_space_handler(acpi_handle handle);
 int acpi_quirk_skip_serdev_enumeration(struct device *controller_parent, bool *skip);
 #else
 static inline bool acpi_device_override_status(struct acpi_device *adev,
@@ -773,13 +774,6 @@ static inline bool acpi_quirk_skip_acpi_ac_and_battery(void)
 {
 	return false;
 }
-static inline int acpi_install_cmos_rtc_space_handler(acpi_handle handle)
-{
-	return 1;
-}
-static inline void acpi_remove_cmos_rtc_space_handler(acpi_handle handle)
-{
-}
 static inline int
 acpi_quirk_skip_serdev_enumeration(struct device *controller_parent, bool *skip)
 {
diff --git a/include/acpi/cppc_acpi.h b/include/acpi/cppc_acpi.h
index 4d644f03..d1f02ce 100644
--- a/include/acpi/cppc_acpi.h
+++ b/include/acpi/cppc_acpi.h
@@ -42,6 +42,11 @@
 #define CPPC_EPP_PERFORMANCE_PREF		0x00
 #define CPPC_EPP_ENERGY_EFFICIENCY_PREF		0xFF
 
+#define CPPC_PERF_LIMITED_DESIRED_EXCURSION	BIT(0)
+#define CPPC_PERF_LIMITED_MINIMUM_EXCURSION	BIT(1)
+#define CPPC_PERF_LIMITED_MASK		(CPPC_PERF_LIMITED_DESIRED_EXCURSION | \
+					 CPPC_PERF_LIMITED_MINIMUM_EXCURSION)
+
 /* Each register has the folowing format. */
 struct cpc_reg {
 	u8 descriptor;
@@ -116,6 +121,7 @@ struct cppc_perf_caps {
 	u32 guaranteed_perf;
 	u32 highest_perf;
 	u32 nominal_perf;
+	u32 reference_perf;
 	u32 lowest_perf;
 	u32 lowest_nonlinear_perf;
 	u32 lowest_freq;
@@ -133,7 +139,6 @@ struct cppc_perf_ctrls {
 struct cppc_perf_fb_ctrs {
 	u64 reference;
 	u64 delivered;
-	u64 reference_perf;
 	u64 wraparound_time;
 };
 
@@ -151,11 +156,13 @@ extern int cppc_get_desired_perf(int cpunum, u64 *desired_perf);
 extern int cppc_get_nominal_perf(int cpunum, u64 *nominal_perf);
 extern int cppc_get_highest_perf(int cpunum, u64 *highest_perf);
 extern int cppc_get_perf_ctrs(int cpu, struct cppc_perf_fb_ctrs *perf_fb_ctrs);
+extern int cppc_get_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls);
 extern int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls);
 extern int cppc_set_enable(int cpu, bool enable);
 extern int cppc_get_perf_caps(int cpu, struct cppc_perf_caps *caps);
 extern bool cppc_perf_ctrs_in_pcc_cpu(unsigned int cpu);
 extern bool cppc_perf_ctrs_in_pcc(void);
+extern u64 cppc_get_dmi_max_khz(void);
 extern unsigned int cppc_perf_to_khz(struct cppc_perf_caps *caps, unsigned int perf);
 extern unsigned int cppc_khz_to_perf(struct cppc_perf_caps *caps, unsigned int freq);
 extern bool acpi_cpc_valid(void);
@@ -173,6 +180,8 @@ extern int cppc_get_auto_act_window(int cpu, u64 *auto_act_window);
 extern int cppc_set_auto_act_window(int cpu, u64 auto_act_window);
 extern int cppc_get_auto_sel(int cpu, bool *enable);
 extern int cppc_set_auto_sel(int cpu, bool enable);
+extern int cppc_get_perf_limited(int cpu, u64 *perf_limited);
+extern int cppc_set_perf_limited(int cpu, u64 bits_to_clear);
 extern int amd_get_highest_perf(unsigned int cpu, u32 *highest_perf);
 extern int amd_get_boost_ratio_numerator(unsigned int cpu, u64 *numerator);
 extern int amd_detect_prefcore(bool *detected);
@@ -193,6 +202,10 @@ static inline int cppc_get_perf_ctrs(int cpu, struct cppc_perf_fb_ctrs *perf_fb_
 {
 	return -EOPNOTSUPP;
 }
+static inline int cppc_get_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls)
+{
+	return -EOPNOTSUPP;
+}
 static inline int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls)
 {
 	return -EOPNOTSUPP;
@@ -265,6 +278,14 @@ static inline int cppc_set_auto_sel(int cpu, bool enable)
 {
 	return -EOPNOTSUPP;
 }
+static inline int cppc_get_perf_limited(int cpu, u64 *perf_limited)
+{
+	return -EOPNOTSUPP;
+}
+static inline int cppc_set_perf_limited(int cpu, u64 bits_to_clear)
+{
+	return -EOPNOTSUPP;
+}
 static inline int amd_get_highest_perf(unsigned int cpu, u32 *highest_perf)
 {
 	return -ENODEV;
diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index 7146a8e..554be22 100644
--- a/include/acpi/processor.h
+++ b/include/acpi/processor.h
@@ -14,8 +14,6 @@
 
 #include <asm/acpi.h>
 
-#define ACPI_PROCESSOR_CLASS		"processor"
-#define ACPI_PROCESSOR_DEVICE_NAME	"Processor"
 #define ACPI_PROCESSOR_DEVICE_HID	"ACPI0007"
 #define ACPI_PROCESSOR_CONTAINER_HID	"ACPI0010"
 
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 4d2f0be..5ecdcda 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -791,6 +791,14 @@ const char *acpi_get_subsystem_id(acpi_handle handle);
 int acpi_mrrm_max_mem_region(void);
 #endif
 
+#define ACPI_CMOS_RTC_IDS	\
+	{ "PNP0B00", },		\
+	{ "PNP0B01", },		\
+	{ "PNP0B02", },		\
+	{ "", }
+
+extern bool cmos_rtc_platform_device_present;
+
 #else	/* !CONFIG_ACPI */
 
 #define acpi_disabled 1
@@ -1116,6 +1124,8 @@ static inline int acpi_mrrm_max_mem_region(void)
 	return 1;
 }
 
+#define cmos_rtc_platform_device_present	false
+
 #endif	/* !CONFIG_ACPI */
 
 #ifdef CONFIG_ACPI_HMAT
diff --git a/include/linux/auxiliary_bus.h b/include/linux/auxiliary_bus.h
index 4086afd..bc09b55 100644
--- a/include/linux/auxiliary_bus.h
+++ b/include/linux/auxiliary_bus.h
@@ -271,6 +271,8 @@ struct auxiliary_device *__devm_auxiliary_device_create(struct device *dev,
 	__devm_auxiliary_device_create(dev, KBUILD_MODNAME, devname,  \
 				       platform_data, 0)
 
+bool dev_is_auxiliary(struct device *dev);
+
 /**
  * module_auxiliary_driver() - Helper macro for registering an auxiliary driver
  * @__auxiliary_driver: auxiliary driver struct
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index cc894fc..8ca2bcb 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -232,7 +232,7 @@ static inline bool policy_is_inactive(struct cpufreq_policy *policy)
 
 static inline bool policy_is_shared(struct cpufreq_policy *policy)
 {
-	return cpumask_weight(policy->cpus) > 1;
+	return cpumask_nth(1, policy->cpus) < nr_cpumask_bits;
 }
 
 #ifdef CONFIG_CPU_FREQ
diff --git a/include/linux/intel_rapl.h b/include/linux/intel_rapl.h
index fa1f328..328004f 100644
--- a/include/linux/intel_rapl.h
+++ b/include/linux/intel_rapl.h
@@ -77,7 +77,6 @@ enum rapl_primitives {
 	PSYS_TIME_WINDOW1,
 	PSYS_TIME_WINDOW2,
 	/* below are not raw primitive data */
-	AVERAGE_POWER,
 	NR_RAPL_PRIMITIVES,
 };
 
@@ -128,6 +127,46 @@ struct reg_action {
 	int err;
 };
 
+struct rapl_defaults {
+	u8 floor_freq_reg_addr;
+	int (*check_unit)(struct rapl_domain *rd);
+	void (*set_floor_freq)(struct rapl_domain *rd, bool mode);
+	u64 (*compute_time_window)(struct rapl_domain *rd, u64 val, bool to_raw);
+	unsigned int dram_domain_energy_unit;
+	unsigned int psys_domain_energy_unit;
+	bool spr_psys_bits;
+	bool msr_pl4_support;
+	bool msr_pmu_support;
+};
+
+#define PRIMITIVE_INFO_INIT(p, m, s, i, u, f) {	\
+		.name = #p,			\
+		.mask = m,			\
+		.shift = s,			\
+		.id = i,			\
+		.unit = u,			\
+		.flag = f			\
+	}
+
+enum unit_type {
+	ARBITRARY_UNIT,		/* no translation */
+	POWER_UNIT,
+	ENERGY_UNIT,
+	TIME_UNIT,
+};
+
+/* per domain data. used to describe individual knobs such that access function
+ * can be consolidated into one instead of many inline functions.
+ */
+struct rapl_primitive_info {
+	const char *name;
+	u64 mask;
+	int shift;
+	enum rapl_domain_reg_id id;
+	enum unit_type unit;
+	u32 flag;
+};
+
 /**
  * struct rapl_if_priv: private data for different RAPL interfaces
  * @control_type:		Each RAPL interface must have its own powercap
@@ -142,8 +181,8 @@ struct reg_action {
  *				registers.
  * @write_raw:			Callback for writing RAPL interface specific
  *				registers.
- * @defaults:			internal pointer to interface default settings
- * @rpi:			internal pointer to interface primitive info
+ * @defaults:			pointer to default settings
+ * @rpi:			pointer to interface primitive info
  */
 struct rapl_if_priv {
 	enum rapl_if_type type;
@@ -154,8 +193,8 @@ struct rapl_if_priv {
 	int limits[RAPL_DOMAIN_MAX];
 	int (*read_raw)(int id, struct reg_action *ra, bool pmu_ctx);
 	int (*write_raw)(int id, struct reg_action *ra);
-	void *defaults;
-	void *rpi;
+	const struct rapl_defaults *defaults;
+	struct rapl_primitive_info *rpi;
 };
 
 #ifdef CONFIG_PERF_EVENTS
@@ -211,6 +250,9 @@ void rapl_remove_package_cpuslocked(struct rapl_package *rp);
 struct rapl_package *rapl_find_package_domain(int id, struct rapl_if_priv *priv, bool id_is_cpu);
 struct rapl_package *rapl_add_package(int id, struct rapl_if_priv *priv, bool id_is_cpu);
 void rapl_remove_package(struct rapl_package *rp);
+int rapl_default_check_unit(struct rapl_domain *rd);
+void rapl_default_set_floor_freq(struct rapl_domain *rd, bool mode);
+u64 rapl_default_compute_time_window(struct rapl_domain *rd, u64 value, bool to_raw);
 
 #ifdef CONFIG_PERF_EVENTS
 int rapl_package_add_pmu(struct rapl_package *rp);
diff --git a/include/linux/powercap.h b/include/linux/powercap.h
index 3d557bb..603419d 100644
--- a/include/linux/powercap.h
+++ b/include/linux/powercap.h
@@ -238,7 +238,7 @@ static inline void *powercap_get_zone_data(struct powercap_zone *power_zone)
 *			Advantage of this parameter is that client can embed
 *			this data in its data structures and allocate in a
 *			single call, preventing multiple allocations.
-* @control_type_name:	The Name of this control_type, which will be shown
+* @name:		The Name of this control_type, which will be shown
 *			in the sysfs Interface.
 * @ops:			Callbacks for control type. This parameter is optional.
 *
@@ -277,7 +277,7 @@ int powercap_unregister_control_type(struct powercap_control_type *instance);
 * @name:	A name for this zone.
 * @parent:	A pointer to the parent power zone instance if any or NULL
 * @ops:		Pointer to zone operation callback structure.
-* @no_constraints: Number of constraints for this zone
+* @nr_constraints: Number of constraints for this zone
 * @const_ops:	Pointer to constraint callback structure
 *
 * Register a power zone under a given control type. A power zone must register
diff --git a/include/linux/units.h b/include/linux/units.h
index 80d57c5..c6d7898 100644
--- a/include/linux/units.h
+++ b/include/linux/units.h
@@ -57,6 +57,9 @@
 #define MICROWATT_PER_MILLIWATT	1000UL
 #define MICROWATT_PER_WATT	1000000UL
 
+#define MICROJOULE_PER_JOULE	1000000UL
+#define NANOJOULE_PER_JOULE	1000000000UL
+
 #define BYTES_PER_KBIT		(KILO / BITS_PER_BYTE)
 #define BYTES_PER_MBIT		(MEGA / BITS_PER_BYTE)
 #define BYTES_PER_GBIT		(GIGA / BITS_PER_BYTE)
diff --git a/kernel/power/main.c b/kernel/power/main.c
index 5f8c9e1..5429e9f 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -40,7 +40,7 @@ void pm_restore_gfp_mask(void)
 {
 	WARN_ON(!mutex_is_locked(&system_transition_mutex));
 
-	if (WARN_ON(!saved_gfp_count) || --saved_gfp_count)
+	if (!saved_gfp_count || --saved_gfp_count)
 		return;
 
 	gfp_allowed_mask = saved_gfp_mask;
diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index 6e1321837..a564650 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -2855,6 +2855,17 @@ int snapshot_write_finalize(struct snapshot_handle *handle)
 {
 	int error;
 
+	/*
+	 * Call snapshot_write_next() to drain any trailing zero pages,
+	 * but make sure we're in the data page region first.
+	 * This function can return PAGE_SIZE if the kernel was expecting
+	 * another copy page. Return -ENODATA in that situation.
+	 */
+	if (handle->cur > nr_meta_pages + 1) {
+		error = snapshot_write_next(handle);
+		if (error)
+			return error > 0 ? -ENODATA : error;
+	}
 	copy_last_highmem_page();
 	error = hibernate_restore_protect_page(handle->buffer);
 	/* Do that only if we have loaded the image entirely */
diff --git a/kernel/power/user.c b/kernel/power/user.c
index 4401cfe..be77f35 100644
--- a/kernel/power/user.c
+++ b/kernel/power/user.c
@@ -322,11 +322,14 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd,
 		error = snapshot_write_finalize(&data->handle);
 		if (error)
 			break;
-		if (data->mode != O_WRONLY || !data->frozen ||
-		    !snapshot_image_loaded(&data->handle)) {
+		if (data->mode != O_WRONLY || !data->frozen) {
 			error = -EPERM;
 			break;
 		}
+		if (!snapshot_image_loaded(&data->handle)) {
+			error = -ENODATA;
+			break;
+		}
 		error = hibernation_restore(data->platform_support);
 		break;