diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 972a34d93505..c36a083c8ec0 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -326,8 +326,9 @@
 #define MSR_PP1_ENERGY_STATUS		0x00000641
 #define MSR_PP1_POLICY			0x00000642
 
-#define MSR_AMD_PKG_ENERGY_STATUS	0xc001029b
 #define MSR_AMD_RAPL_POWER_UNIT		0xc0010299
+#define MSR_AMD_CORE_ENERGY_STATUS		0xc001029a
+#define MSR_AMD_PKG_ENERGY_STATUS	0xc001029b
 
 /* Config TDP MSRs */
 #define MSR_CONFIG_TDP_NOMINAL		0x00000648
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index 94d91c67aeae..3586434d0ded 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -749,7 +749,7 @@ static void acpi_pm_notify_work_func(struct acpi_device_wakeup_context *context)
 static DEFINE_MUTEX(acpi_wakeup_lock);
 
 static int __acpi_device_wakeup_enable(struct acpi_device *adev,
-				       u32 target_state, int max_count)
+				       u32 target_state)
 {
 	struct acpi_device_wakeup *wakeup = &adev->wakeup;
 	acpi_status status;
@@ -757,16 +757,27 @@ static int __acpi_device_wakeup_enable(struct acpi_device *adev,
 
 	mutex_lock(&acpi_wakeup_lock);
 
-	if (wakeup->enable_count >= max_count)
+	/*
+	 * If the device wakeup power is already enabled, disable it and enable
+	 * it again in case it depends on the configuration of subordinate
+	 * devices and the conditions have changed since it was enabled last
+	 * time.
+	 */
+	if (wakeup->enable_count > 0)
+		acpi_disable_wakeup_device_power(adev);
+
+	error = acpi_enable_wakeup_device_power(adev, target_state);
+	if (error) {
+		if (wakeup->enable_count > 0) {
+			acpi_disable_gpe(wakeup->gpe_device, wakeup->gpe_number);
+			wakeup->enable_count = 0;
+		}
 		goto out;
+	}
 
 	if (wakeup->enable_count > 0)
 		goto inc;
 
-	error = acpi_enable_wakeup_device_power(adev, target_state);
-	if (error)
-		goto out;
-
 	status = acpi_enable_gpe(wakeup->gpe_device, wakeup->gpe_number);
 	if (ACPI_FAILURE(status)) {
 		acpi_disable_wakeup_device_power(adev);
@@ -778,7 +789,10 @@ static int __acpi_device_wakeup_enable(struct acpi_device *adev,
 			  (unsigned int)wakeup->gpe_number);
 
 inc:
-	wakeup->enable_count++;
+	if (wakeup->enable_count < INT_MAX)
+		wakeup->enable_count++;
+	else
+		acpi_handle_info(adev->handle, "Wakeup enable count out of bounds!\n");
 
 out:
 	mutex_unlock(&acpi_wakeup_lock);
@@ -799,7 +813,7 @@ out:
  */
 static int acpi_device_wakeup_enable(struct acpi_device *adev, u32 target_state)
 {
-	return __acpi_device_wakeup_enable(adev, target_state, 1);
+	return __acpi_device_wakeup_enable(adev, target_state);
 }
 
 /**
@@ -829,8 +843,12 @@ out:
 	mutex_unlock(&acpi_wakeup_lock);
 }
 
-static int __acpi_pm_set_device_wakeup(struct device *dev, bool enable,
-				       int max_count)
+/**
+ * acpi_pm_set_device_wakeup - Enable/disable remote wakeup for given device.
+ * @dev: Device to enable/disable to generate wakeup events.
+ * @enable: Whether to enable or disable the wakeup functionality.
+ */
+int acpi_pm_set_device_wakeup(struct device *dev, bool enable)
 {
 	struct acpi_device *adev;
 	int error;
@@ -850,36 +868,14 @@ static int __acpi_pm_set_device_wakeup(struct device *dev, bool enable,
 		return 0;
 	}
 
-	error = __acpi_device_wakeup_enable(adev, acpi_target_system_state(),
-					    max_count);
+	error = __acpi_device_wakeup_enable(adev, acpi_target_system_state());
 	if (!error)
 		dev_dbg(dev, "Wakeup enabled by ACPI\n");
 
 	return error;
 }
-
-/**
- * acpi_pm_set_device_wakeup - Enable/disable remote wakeup for given device.
- * @dev: Device to enable/disable to generate wakeup events.
- * @enable: Whether to enable or disable the wakeup functionality.
- */
-int acpi_pm_set_device_wakeup(struct device *dev, bool enable)
-{
-	return __acpi_pm_set_device_wakeup(dev, enable, 1);
-}
 EXPORT_SYMBOL_GPL(acpi_pm_set_device_wakeup);
 
-/**
- * acpi_pm_set_bridge_wakeup - Enable/disable remote wakeup for given bridge.
- * @dev: Bridge device to enable/disable to generate wakeup events.
- * @enable: Whether to enable or disable the wakeup functionality.
- */
-int acpi_pm_set_bridge_wakeup(struct device *dev, bool enable)
-{
-	return __acpi_pm_set_device_wakeup(dev, enable, INT_MAX);
-}
-EXPORT_SYMBOL_GPL(acpi_pm_set_bridge_wakeup);
-
 /**
  * acpi_dev_pm_low_power - Put ACPI device into a low-power state.
  * @dev: Device to put into a low-power state.
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 52d292617401..9a14eedacb92 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -21,6 +21,7 @@
 #include <linux/suspend.h>
 #include <linux/export.h>
 #include <linux/cpu.h>
+#include <linux/debugfs.h>
 
 #include "power.h"
 
@@ -210,6 +211,18 @@ static void genpd_sd_counter_inc(struct generic_pm_domain *genpd)
 }
 
 #ifdef CONFIG_DEBUG_FS
+static struct dentry *genpd_debugfs_dir;
+
+static void genpd_debug_add(struct generic_pm_domain *genpd);
+
+static void genpd_debug_remove(struct generic_pm_domain *genpd)
+{
+	struct dentry *d;
+
+	d = debugfs_lookup(genpd->name, genpd_debugfs_dir);
+	debugfs_remove(d);
+}
+
 static void genpd_update_accounting(struct generic_pm_domain *genpd)
 {
 	ktime_t delta, now;
@@ -234,6 +247,8 @@ static void genpd_update_accounting(struct generic_pm_domain *genpd)
 	genpd->accounting_time = now;
 }
 #else
+static inline void genpd_debug_add(struct generic_pm_domain *genpd) {}
+static inline void genpd_debug_remove(struct generic_pm_domain *genpd) {}
 static inline void genpd_update_accounting(struct generic_pm_domain *genpd) {}
 #endif
 
@@ -1142,7 +1157,7 @@ static int genpd_finish_suspend(struct device *dev, bool poweroff)
 	if (ret)
 		return ret;
 
-	if (dev->power.wakeup_path && genpd_is_active_wakeup(genpd))
+	if (device_wakeup_path(dev) && genpd_is_active_wakeup(genpd))
 		return 0;
 
 	if (genpd->dev_ops.stop && genpd->dev_ops.start &&
@@ -1196,7 +1211,7 @@ static int genpd_resume_noirq(struct device *dev)
 	if (IS_ERR(genpd))
 		return -EINVAL;
 
-	if (dev->power.wakeup_path && genpd_is_active_wakeup(genpd))
+	if (device_wakeup_path(dev) && genpd_is_active_wakeup(genpd))
 		return pm_generic_resume_noirq(dev);
 
 	genpd_lock(genpd);
@@ -1973,6 +1988,7 @@ int pm_genpd_init(struct generic_pm_domain *genpd,
 
 	mutex_lock(&gpd_list_lock);
 	list_add(&genpd->gpd_list_node, &gpd_list);
+	genpd_debug_add(genpd);
 	mutex_unlock(&gpd_list_lock);
 
 	return 0;
@@ -2006,6 +2022,7 @@ static int genpd_remove(struct generic_pm_domain *genpd)
 		kfree(link);
 	}
 
+	genpd_debug_remove(genpd);
 	list_del(&genpd->gpd_list_node);
 	genpd_unlock(genpd);
 	cancel_work_sync(&genpd->power_off_work);
@@ -2912,14 +2929,6 @@ core_initcall(genpd_bus_init);
 /***        debugfs support        ***/
 
 #ifdef CONFIG_DEBUG_FS
-#include <linux/pm.h>
-#include <linux/device.h>
-#include <linux/debugfs.h>
-#include <linux/seq_file.h>
-#include <linux/init.h>
-#include <linux/kobject.h>
-static struct dentry *genpd_debugfs_dir;
-
 /*
  * TODO: This function is a slightly modified version of rtpm_status_show
  * from sysfs.c, so generalize it.
@@ -3196,9 +3205,34 @@ DEFINE_SHOW_ATTRIBUTE(total_idle_time);
 DEFINE_SHOW_ATTRIBUTE(devices);
 DEFINE_SHOW_ATTRIBUTE(perf_state);
 
-static int __init genpd_debug_init(void)
+static void genpd_debug_add(struct generic_pm_domain *genpd)
 {
 	struct dentry *d;
+
+	if (!genpd_debugfs_dir)
+		return;
+
+	d = debugfs_create_dir(genpd->name, genpd_debugfs_dir);
+
+	debugfs_create_file("current_state", 0444,
+			    d, genpd, &status_fops);
+	debugfs_create_file("sub_domains", 0444,
+			    d, genpd, &sub_domains_fops);
+	debugfs_create_file("idle_states", 0444,
+			    d, genpd, &idle_states_fops);
+	debugfs_create_file("active_time", 0444,
+			    d, genpd, &active_time_fops);
+	debugfs_create_file("total_idle_time", 0444,
+			    d, genpd, &total_idle_time_fops);
+	debugfs_create_file("devices", 0444,
+			    d, genpd, &devices_fops);
+	if (genpd->set_performance_state)
+		debugfs_create_file("perf_state", 0444,
+				    d, genpd, &perf_state_fops);
+}
+
+static int __init genpd_debug_init(void)
+{
 	struct generic_pm_domain *genpd;
 
 	genpd_debugfs_dir = debugfs_create_dir("pm_genpd", NULL);
@@ -3206,25 +3240,8 @@ static int __init genpd_debug_init(void)
 	debugfs_create_file("pm_genpd_summary", S_IRUGO, genpd_debugfs_dir,
 			    NULL, &summary_fops);
 
-	list_for_each_entry(genpd, &gpd_list, gpd_list_node) {
-		d = debugfs_create_dir(genpd->name, genpd_debugfs_dir);
-
-		debugfs_create_file("current_state", 0444,
-				d, genpd, &status_fops);
-		debugfs_create_file("sub_domains", 0444,
-				d, genpd, &sub_domains_fops);
-		debugfs_create_file("idle_states", 0444,
-				d, genpd, &idle_states_fops);
-		debugfs_create_file("active_time", 0444,
-				d, genpd, &active_time_fops);
-		debugfs_create_file("total_idle_time", 0444,
-				d, genpd, &total_idle_time_fops);
-		debugfs_create_file("devices", 0444,
-				d, genpd, &devices_fops);
-		if (genpd->set_performance_state)
-			debugfs_create_file("perf_state", 0444,
-					    d, genpd, &perf_state_fops);
-	}
+	list_for_each_entry(genpd, &gpd_list, gpd_list_node)
+		genpd_debug_add(genpd);
 
 	return 0;
 }
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index c7ac49042cee..46793276598d 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -441,9 +441,9 @@ static pm_callback_t pm_noirq_op(const struct dev_pm_ops *ops, pm_message_t stat
 
 static void pm_dev_dbg(struct device *dev, pm_message_t state, const char *info)
 {
-	dev_dbg(dev, "%s%s%s\n", info, pm_verb(state.event),
+	dev_dbg(dev, "%s%s%s driver flags: %x\n", info, pm_verb(state.event),
 		((state.event & PM_EVENT_SLEEP) && device_may_wakeup(dev)) ?
-		", may wakeup" : "");
+		", may wakeup" : "", dev->power.driver_flags);
 }
 
 static void pm_dev_err(struct device *dev, pm_message_t state, const char *info,
@@ -1359,7 +1359,7 @@ static void dpm_propagate_wakeup_to_parent(struct device *dev)
 
 	spin_lock_irq(&parent->power.lock);
 
-	if (dev->power.wakeup_path && !parent->power.ignore_children)
+	if (device_wakeup_path(dev) && !parent->power.ignore_children)
 		parent->power.wakeup_path = true;
 
 	spin_unlock_irq(&parent->power.lock);
@@ -1627,7 +1627,7 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async)
 		goto Complete;
 
 	/* Avoid direct_complete to let wakeup_path propagate. */
-	if (device_may_wakeup(dev) || dev->power.wakeup_path)
+	if (device_may_wakeup(dev) || device_wakeup_path(dev))
 		dev->power.direct_complete = false;
 
 	if (dev->power.direct_complete) {
diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c
index f41f51a176a1..9aa8e65b511e 100644
--- a/drivers/i2c/busses/i2c-stm32f7.c
+++ b/drivers/i2c/busses/i2c-stm32f7.c
@@ -2322,7 +2322,7 @@ static int stm32f7_i2c_suspend(struct device *dev)
 
 	i2c_mark_adapter_suspended(&i2c_dev->adap);
 
-	if (!device_may_wakeup(dev) && !dev->power.wakeup_path) {
+	if (!device_may_wakeup(dev) && !device_wakeup_path(dev)) {
 		ret = stm32f7_i2c_regs_backup(i2c_dev);
 		if (ret < 0) {
 			i2c_mark_adapter_resumed(&i2c_dev->adap);
@@ -2341,7 +2341,7 @@ static int stm32f7_i2c_resume(struct device *dev)
 	struct stm32f7_i2c_dev *i2c_dev = dev_get_drvdata(dev);
 	int ret;
 
-	if (!device_may_wakeup(dev) && !dev->power.wakeup_path) {
+	if (!device_may_wakeup(dev) && !device_wakeup_path(dev)) {
 		ret = pm_runtime_force_resume(dev);
 		if (ret < 0)
 			return ret;
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index bf03648c2072..745a4e0c4994 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -1060,7 +1060,7 @@ static int acpi_pci_propagate_wakeup(struct pci_bus *bus, bool enable)
 {
 	while (bus->parent) {
 		if (acpi_pm_device_can_wakeup(&bus->self->dev))
-			return acpi_pm_set_bridge_wakeup(&bus->self->dev, enable);
+			return acpi_pm_set_device_wakeup(&bus->self->dev, enable);
 
 		bus = bus->parent;
 	}
@@ -1068,7 +1068,7 @@ static int acpi_pci_propagate_wakeup(struct pci_bus *bus, bool enable)
 	/* We have reached the root bus. */
 	if (bus->bridge) {
 		if (acpi_pm_device_can_wakeup(bus->bridge))
-			return acpi_pm_set_bridge_wakeup(bus->bridge, enable);
+			return acpi_pm_set_device_wakeup(bus->bridge, enable);
 	}
 	return 0;
 }
diff --git a/drivers/powercap/intel_rapl_common.c b/drivers/powercap/intel_rapl_common.c
index 70d6d52bc1e2..c9e57237d778 100644
--- a/drivers/powercap/intel_rapl_common.c
+++ b/drivers/powercap/intel_rapl_common.c
@@ -1011,6 +1011,10 @@ static const struct rapl_defaults rapl_defaults_cht = {
 	.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_INTEL_FAM6_MODEL(SANDYBRIDGE,		&rapl_defaults_core),
 	X86_MATCH_INTEL_FAM6_MODEL(SANDYBRIDGE_X,	&rapl_defaults_core),
@@ -1061,6 +1065,9 @@ static const struct x86_cpu_id rapl_ids[] __initconst = {
 
 	X86_MATCH_INTEL_FAM6_MODEL(XEON_PHI_KNL,	&rapl_defaults_hsw_server),
 	X86_MATCH_INTEL_FAM6_MODEL(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),
 	{}
 };
 MODULE_DEVICE_TABLE(x86cpu, rapl_ids);
diff --git a/drivers/powercap/intel_rapl_msr.c b/drivers/powercap/intel_rapl_msr.c
index 1646808d354c..78213d4b5b16 100644
--- a/drivers/powercap/intel_rapl_msr.c
+++ b/drivers/powercap/intel_rapl_msr.c
@@ -31,7 +31,9 @@
 #define MSR_VR_CURRENT_CONFIG		0x00000601
 
 /* private data for RAPL MSR Interface */
-static struct rapl_if_priv rapl_msr_priv = {
+static struct rapl_if_priv *rapl_msr_priv;
+
+static struct rapl_if_priv rapl_msr_priv_intel = {
 	.reg_unit = MSR_RAPL_POWER_UNIT,
 	.regs[RAPL_DOMAIN_PACKAGE] = {
 		MSR_PKG_POWER_LIMIT, MSR_PKG_ENERGY_STATUS, MSR_PKG_PERF_STATUS, 0, MSR_PKG_POWER_INFO },
@@ -47,6 +49,14 @@ static struct rapl_if_priv rapl_msr_priv = {
 	.limits[RAPL_DOMAIN_PLATFORM] = 2,
 };
 
+static struct rapl_if_priv rapl_msr_priv_amd = {
+	.reg_unit = MSR_AMD_RAPL_POWER_UNIT,
+	.regs[RAPL_DOMAIN_PACKAGE] = {
+		0, MSR_AMD_PKG_ENERGY_STATUS, 0, 0, 0 },
+	.regs[RAPL_DOMAIN_PP0] = {
+		0, MSR_AMD_CORE_ENERGY_STATUS, 0, 0, 0 },
+};
+
 /* Handles CPU hotplug on multi-socket systems.
  * If a CPU goes online as the first CPU of the physical package
  * we add the RAPL package to the system. Similarly, when the last
@@ -58,9 +68,9 @@ static int rapl_cpu_online(unsigned int cpu)
 {
 	struct rapl_package *rp;
 
-	rp = rapl_find_package_domain(cpu, &rapl_msr_priv);
+	rp = rapl_find_package_domain(cpu, rapl_msr_priv);
 	if (!rp) {
-		rp = rapl_add_package(cpu, &rapl_msr_priv);
+		rp = rapl_add_package(cpu, rapl_msr_priv);
 		if (IS_ERR(rp))
 			return PTR_ERR(rp);
 	}
@@ -73,7 +83,7 @@ static int rapl_cpu_down_prep(unsigned int cpu)
 	struct rapl_package *rp;
 	int lead_cpu;
 
-	rp = rapl_find_package_domain(cpu, &rapl_msr_priv);
+	rp = rapl_find_package_domain(cpu, rapl_msr_priv);
 	if (!rp)
 		return 0;
 
@@ -136,40 +146,51 @@ static int rapl_msr_probe(struct platform_device *pdev)
 	const struct x86_cpu_id *id = x86_match_cpu(pl4_support_ids);
 	int ret;
 
-	rapl_msr_priv.read_raw = rapl_msr_read_raw;
-	rapl_msr_priv.write_raw = rapl_msr_write_raw;
+	switch (boot_cpu_data.x86_vendor) {
+	case X86_VENDOR_INTEL:
+		rapl_msr_priv = &rapl_msr_priv_intel;
+		break;
+	case X86_VENDOR_AMD:
+		rapl_msr_priv = &rapl_msr_priv_amd;
+		break;
+	default:
+		pr_err("intel-rapl does not support CPU vendor %d\n", boot_cpu_data.x86_vendor);
+		return -ENODEV;
+	}
+	rapl_msr_priv->read_raw = rapl_msr_read_raw;
+	rapl_msr_priv->write_raw = rapl_msr_write_raw;
 
 	if (id) {
-		rapl_msr_priv.limits[RAPL_DOMAIN_PACKAGE] = 3;
-		rapl_msr_priv.regs[RAPL_DOMAIN_PACKAGE][RAPL_DOMAIN_REG_PL4] =
+		rapl_msr_priv->limits[RAPL_DOMAIN_PACKAGE] = 3;
+		rapl_msr_priv->regs[RAPL_DOMAIN_PACKAGE][RAPL_DOMAIN_REG_PL4] =
 			MSR_VR_CURRENT_CONFIG;
 		pr_info("PL4 support detected.\n");
 	}
 
-	rapl_msr_priv.control_type = powercap_register_control_type(NULL, "intel-rapl", NULL);
-	if (IS_ERR(rapl_msr_priv.control_type)) {
+	rapl_msr_priv->control_type = powercap_register_control_type(NULL, "intel-rapl", NULL);
+	if (IS_ERR(rapl_msr_priv->control_type)) {
 		pr_debug("failed to register powercap control_type.\n");
-		return PTR_ERR(rapl_msr_priv.control_type);
+		return PTR_ERR(rapl_msr_priv->control_type);
 	}
 
 	ret = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "powercap/rapl:online",
 				rapl_cpu_online, rapl_cpu_down_prep);
 	if (ret < 0)
 		goto out;
-	rapl_msr_priv.pcap_rapl_online = ret;
+	rapl_msr_priv->pcap_rapl_online = ret;
 
 	return 0;
 
 out:
 	if (ret)
-		powercap_unregister_control_type(rapl_msr_priv.control_type);
+		powercap_unregister_control_type(rapl_msr_priv->control_type);
 	return ret;
 }
 
 static int rapl_msr_remove(struct platform_device *pdev)
 {
-	cpuhp_remove_state(rapl_msr_priv.pcap_rapl_online);
-	powercap_unregister_control_type(rapl_msr_priv.control_type);
+	cpuhp_remove_state(rapl_msr_priv->pcap_rapl_online);
+	powercap_unregister_control_type(rapl_msr_priv->control_type);
 	return 0;
 }
 
diff --git a/drivers/powercap/powercap_sys.c b/drivers/powercap/powercap_sys.c
index 3f0b8e2ef3d4..f0654a932b37 100644
--- a/drivers/powercap/powercap_sys.c
+++ b/drivers/powercap/powercap_sys.c
@@ -170,9 +170,8 @@ static ssize_t show_constraint_name(struct device *dev,
 	if (pconst && pconst->ops && pconst->ops->get_name) {
 		name = pconst->ops->get_name(power_zone, id);
 		if (name) {
-			snprintf(buf, POWERCAP_CONSTRAINT_NAME_LEN,
-								"%s\n", name);
-			buf[POWERCAP_CONSTRAINT_NAME_LEN] = '\0';
+			sprintf(buf, "%.*s\n", POWERCAP_CONSTRAINT_NAME_LEN - 1,
+				name);
 			len = strlen(buf);
 		}
 	}
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index a3abcc4b7d9f..6d1879bf9440 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -620,7 +620,6 @@ acpi_status acpi_remove_pm_notifier(struct acpi_device *adev);
 bool acpi_pm_device_can_wakeup(struct device *dev);
 int acpi_pm_device_sleep_state(struct device *, int *, int);
 int acpi_pm_set_device_wakeup(struct device *dev, bool enable);
-int acpi_pm_set_bridge_wakeup(struct device *dev, bool enable);
 #else
 static inline void acpi_pm_wakeup_event(struct device *dev)
 {
@@ -651,10 +650,6 @@ static inline int acpi_pm_set_device_wakeup(struct device *dev, bool enable)
 {
 	return -ENODEV;
 }
-static inline int acpi_pm_set_bridge_wakeup(struct device *dev, bool enable)
-{
-	return -ENODEV;
-}
 #endif
 
 #ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index a8f93328daec..2ca919ae8d36 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -255,24 +255,24 @@ static inline int pm_genpd_init(struct generic_pm_domain *genpd,
 }
 static inline int pm_genpd_remove(struct generic_pm_domain *genpd)
 {
-	return -ENOTSUPP;
+	return -EOPNOTSUPP;
 }
 
 static inline int dev_pm_genpd_set_performance_state(struct device *dev,
 						     unsigned int state)
 {
-	return -ENOTSUPP;
+	return -EOPNOTSUPP;
 }
 
 static inline int dev_pm_genpd_add_notifier(struct device *dev,
 					    struct notifier_block *nb)
 {
-	return -ENOTSUPP;
+	return -EOPNOTSUPP;
 }
 
 static inline int dev_pm_genpd_remove_notifier(struct device *dev)
 {
-	return -ENOTSUPP;
+	return -EOPNOTSUPP;
 }
 
 #define simple_qos_governor		(*(struct dev_power_governor *)(NULL))
@@ -325,13 +325,13 @@ struct device *genpd_dev_pm_attach_by_name(struct device *dev,
 static inline int of_genpd_add_provider_simple(struct device_node *np,
 					struct generic_pm_domain *genpd)
 {
-	return -ENOTSUPP;
+	return -EOPNOTSUPP;
 }
 
 static inline int of_genpd_add_provider_onecell(struct device_node *np,
 					struct genpd_onecell_data *data)
 {
-	return -ENOTSUPP;
+	return -EOPNOTSUPP;
 }
 
 static inline void of_genpd_del_provider(struct device_node *np) {}
@@ -387,7 +387,7 @@ static inline struct device *genpd_dev_pm_attach_by_name(struct device *dev,
 static inline
 struct generic_pm_domain *of_genpd_remove_last(struct device_node *np)
 {
-	return ERR_PTR(-ENOTSUPP);
+	return ERR_PTR(-EOPNOTSUPP);
 }
 #endif /* CONFIG_PM_GENERIC_DOMAINS_OF */
 
diff --git a/include/linux/pm_wakeup.h b/include/linux/pm_wakeup.h
index aa3da6611533..196a157456aa 100644
--- a/include/linux/pm_wakeup.h
+++ b/include/linux/pm_wakeup.h
@@ -84,6 +84,11 @@ static inline bool device_may_wakeup(struct device *dev)
 	return dev->power.can_wakeup && !!dev->power.wakeup;
 }
 
+static inline bool device_wakeup_path(struct device *dev)
+{
+	return dev->power.wakeup_path;
+}
+
 static inline void device_set_wakeup_path(struct device *dev)
 {
 	dev->power.wakeup_path = true;
@@ -174,6 +179,11 @@ static inline bool device_may_wakeup(struct device *dev)
 	return dev->power.can_wakeup && dev->power.should_wakeup;
 }
 
+static inline bool device_wakeup_path(struct device *dev)
+{
+	return false;
+}
+
 static inline void device_set_wakeup_path(struct device *dev) {}
 
 static inline void __pm_stay_awake(struct wakeup_source *ws) {}
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index 32391acc806b..d8cae434f9eb 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -224,6 +224,7 @@ EXPORT_SYMBOL_GPL(suspend_set_ops);
 
 /**
  * suspend_valid_only_mem - Generic memory-only valid callback.
+ * @state: Target system sleep state.
  *
  * Platform drivers that implement mem suspend only and only need to check for
  * that in their .valid() callback can use this instead of rolling their own
@@ -335,6 +336,7 @@ static int suspend_test(int level)
 
 /**
  * suspend_prepare - Prepare for entering system sleep state.
+ * @state: Target system sleep state.
  *
  * Common code run for every system sleep state that can be entered (except for
  * hibernation).  Run suspend notifiers, allocate the "suspend" console and
diff --git a/kernel/reboot.c b/kernel/reboot.c
index af6f23d8bea1..2a18b76ffc06 100644
--- a/kernel/reboot.c
+++ b/kernel/reboot.c
@@ -244,6 +244,8 @@ void migrate_to_reboot_cpu(void)
 void kernel_restart(char *cmd)
 {
 	kernel_restart_prepare(cmd);
+	if (pm_power_off_prepare)
+		pm_power_off_prepare();
 	migrate_to_reboot_cpu();
 	syscore_shutdown();
 	if (!cmd)