Adding upstream version 6.10.3.upstream/6.10.3

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

11 files changed, 109 insertions, 26 deletions

diff --git a/drivers/thermal/intel/int340x_thermal/acpi_thermal_rel.c b/drivers/thermal/intel/int340x_thermal/acpi_thermal_rel.c
index dc519a665c..4b4a4d63e6 100644
--- a/drivers/thermal/intel/int340x_thermal/acpi_thermal_rel.c
+++ b/drivers/thermal/intel/int340x_thermal/acpi_thermal_rel.c
@@ -309,7 +309,7 @@ static int acpi_parse_psvt(acpi_handle handle, int *psvt_count, struct psvt **ps
 
 		if (knob->type == ACPI_TYPE_STRING) {
 			memset(&psvt->limit, 0, sizeof(u64));
-			strncpy(psvt->limit.string, psvt_ptr->limit.str_ptr, knob->string.length);
+			strscpy(psvt->limit.string, psvt_ptr->limit.str_ptr, ACPI_LIMIT_STR_MAX_LEN);
 		} else {
 			psvt->limit.integer = psvt_ptr->limit.integer;
 		}
@@ -468,7 +468,7 @@ static int fill_psvt(char __user *ubuf)
 		psvt_user[i].unlimit_coeff = psvts[i].unlimit_coeff;
 		psvt_user[i].control_knob_type = psvts[i].control_knob_type;
 		if (psvt_user[i].control_knob_type == ACPI_TYPE_STRING)
-			strncpy(psvt_user[i].limit.string, psvts[i].limit.string,
+			strscpy(psvt_user[i].limit.string, psvts[i].limit.string,
 				ACPI_LIMIT_STR_MAX_LEN);
 		else
 			psvt_user[i].limit.integer = psvts[i].limit.integer;
diff --git a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
index 427d370648..fa96972266 100644
--- a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
+++ b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
@@ -73,14 +73,7 @@ struct odvp_attr {
 	struct device_attribute attr;
 };
 
-static ssize_t data_vault_read(struct file *file, struct kobject *kobj,
-	     struct bin_attribute *attr, char *buf, loff_t off, size_t count)
-{
-	memcpy(buf, attr->private + off, count);
-	return count;
-}
-
-static BIN_ATTR_RO(data_vault, 0);
+static BIN_ATTR_SIMPLE_RO(data_vault);
 
 static struct bin_attribute *data_attributes[] = {
 	&bin_attr_data_vault,
@@ -705,6 +698,7 @@ static const struct acpi_device_id int3400_thermal_match[] = {
 	{"INTC1040", 0},
 	{"INTC1041", 0},
 	{"INTC1042", 0},
+	{"INTC1068", 0},
 	{"INTC10A0", 0},
 	{}
 };
diff --git a/drivers/thermal/intel/int340x_thermal/int3403_thermal.c b/drivers/thermal/intel/int340x_thermal/int3403_thermal.c
index 9b33fd3a66..86901f9f54 100644
--- a/drivers/thermal/intel/int340x_thermal/int3403_thermal.c
+++ b/drivers/thermal/intel/int340x_thermal/int3403_thermal.c
@@ -284,6 +284,7 @@ static const struct acpi_device_id int3403_device_ids[] = {
 	{"INTC1043", 0},
 	{"INTC1046", 0},
 	{"INTC1062", 0},
+	{"INTC1069", 0},
 	{"INTC10A1", 0},
 	{"", 0},
 };
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c
index 4d3bd32ff9..af2ec0beb7 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c
@@ -156,3 +156,4 @@ unlock:
 EXPORT_SYMBOL_NS_GPL(processor_thermal_mbox_interrupt_config, INT340X_THERMAL);
 
 MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("Processor Thermal Mail Box Interface");
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_power_floor.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_power_floor.c
index a1a108407f..d6b787ca27 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_power_floor.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_power_floor.c
@@ -124,3 +124,4 @@ EXPORT_SYMBOL_NS_GPL(proc_thermal_power_floor_intr_callback, INT340X_THERMAL);
 
 MODULE_IMPORT_NS(INT340X_THERMAL);
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Processor Thermal power floor notification Interface");
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_rapl.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_rapl.c
index e964a93757..e9aa9e23aa 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_rapl.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_rapl.c
@@ -133,3 +133,4 @@ void proc_thermal_rapl_remove(void)
 EXPORT_SYMBOL_GPL(proc_thermal_rapl_remove);
 
 MODULE_LICENSE("GPL v2");
+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 546b704340..e56db75a94 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_rfim.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_rfim.c
@@ -384,3 +384,4 @@ void proc_thermal_rfim_remove(struct pci_dev *pdev)
 EXPORT_SYMBOL_GPL(proc_thermal_rfim_remove);
 
 MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("Processor Thermal RFIM Interface");
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_wt_hint.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_wt_hint.c
index 9d5e4c169d..e947d84f49 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_wt_hint.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_wt_hint.c
@@ -253,3 +253,4 @@ EXPORT_SYMBOL_NS_GPL(proc_thermal_wt_hint_remove, INT340X_THERMAL);
 
 MODULE_IMPORT_NS(INT340X_THERMAL);
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Processor Thermal Work Load type hint Interface");
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_wt_req.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_wt_req.c
index 711c4f761c..f298e74426 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_wt_req.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_wt_req.c
@@ -134,3 +134,4 @@ EXPORT_SYMBOL_GPL(proc_thermal_wt_req_remove);
 
 MODULE_IMPORT_NS(INT340X_THERMAL);
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Processor Thermal Work Load type request Interface");
diff --git a/drivers/thermal/intel/intel_hfi.c b/drivers/thermal/intel/intel_hfi.c
index 40d664a66c..a180a98bb9 100644
--- a/drivers/thermal/intel/intel_hfi.c
+++ b/drivers/thermal/intel/intel_hfi.c
@@ -159,14 +159,15 @@ struct hfi_cpu_info {
 static DEFINE_PER_CPU(struct hfi_cpu_info, hfi_cpu_info) = { .index = -1 };
 
 static int max_hfi_instances;
+static int hfi_clients_nr;
 static struct hfi_instance *hfi_instances;
 
 static struct hfi_features hfi_features;
 static DEFINE_MUTEX(hfi_instance_lock);
 
 static struct workqueue_struct *hfi_updates_wq;
-#define HFI_UPDATE_INTERVAL		HZ
-#define HFI_MAX_THERM_NOTIFY_COUNT	16
+#define HFI_UPDATE_DELAY_MS		100
+#define HFI_THERMNL_CAPS_PER_EVENT	64
 
 static void get_hfi_caps(struct hfi_instance *hfi_instance,
 			 struct thermal_genl_cpu_caps *cpu_caps)
@@ -217,14 +218,14 @@ static void update_capabilities(struct hfi_instance *hfi_instance)
 
 	get_hfi_caps(hfi_instance, cpu_caps);
 
-	if (cpu_count < HFI_MAX_THERM_NOTIFY_COUNT)
+	if (cpu_count < HFI_THERMNL_CAPS_PER_EVENT)
 		goto last_cmd;
 
-	/* Process complete chunks of HFI_MAX_THERM_NOTIFY_COUNT capabilities. */
+	/* Process complete chunks of HFI_THERMNL_CAPS_PER_EVENT capabilities. */
 	for (i = 0;
-	     (i + HFI_MAX_THERM_NOTIFY_COUNT) <= cpu_count;
-	     i += HFI_MAX_THERM_NOTIFY_COUNT)
-		thermal_genl_cpu_capability_event(HFI_MAX_THERM_NOTIFY_COUNT,
+	     (i + HFI_THERMNL_CAPS_PER_EVENT) <= cpu_count;
+	     i += HFI_THERMNL_CAPS_PER_EVENT)
+		thermal_genl_cpu_capability_event(HFI_THERMNL_CAPS_PER_EVENT,
 						  &cpu_caps[i]);
 
 	cpu_count = cpu_count - i;
@@ -321,7 +322,7 @@ void intel_hfi_process_event(__u64 pkg_therm_status_msr_val)
 	raw_spin_unlock(&hfi_instance->event_lock);
 
 	queue_delayed_work(hfi_updates_wq, &hfi_instance->update_work,
-			   HFI_UPDATE_INTERVAL);
+			   msecs_to_jiffies(HFI_UPDATE_DELAY_MS));
 }
 
 static void init_hfi_cpu_index(struct hfi_cpu_info *info)
@@ -477,8 +478,11 @@ void intel_hfi_online(unsigned int cpu)
 enable:
 	cpumask_set_cpu(cpu, hfi_instance->cpus);
 
-	/* Enable this HFI instance if this is its first online CPU. */
-	if (cpumask_weight(hfi_instance->cpus) == 1) {
+	/*
+	 * Enable this HFI instance if this is its first online CPU and
+	 * there are user-space clients of thermal events.
+	 */
+	if (cpumask_weight(hfi_instance->cpus) == 1 && hfi_clients_nr > 0) {
 		hfi_set_hw_table(hfi_instance);
 		hfi_enable();
 	}
@@ -573,18 +577,33 @@ static __init int hfi_parse_features(void)
 	return 0;
 }
 
-static void hfi_do_enable(void)
+/*
+ * If concurrency is not prevented by other means, the HFI enable/disable
+ * routines must be called under hfi_instance_lock."
+ */
+static void hfi_enable_instance(void *ptr)
+{
+	hfi_set_hw_table(ptr);
+	hfi_enable();
+}
+
+static void hfi_disable_instance(void *ptr)
+{
+	hfi_disable();
+}
+
+static void hfi_syscore_resume(void)
 {
 	/* This code runs only on the boot CPU. */
 	struct hfi_cpu_info *info = &per_cpu(hfi_cpu_info, 0);
 	struct hfi_instance *hfi_instance = info->hfi_instance;
 
 	/* No locking needed. There is no concurrency with CPU online. */
-	hfi_set_hw_table(hfi_instance);
-	hfi_enable();
+	if (hfi_clients_nr > 0)
+		hfi_enable_instance(hfi_instance);
 }
 
-static int hfi_do_disable(void)
+static int hfi_syscore_suspend(void)
 {
 	/* No locking needed. There is no concurrency with CPU offline. */
 	hfi_disable();
@@ -593,8 +612,58 @@ static int hfi_do_disable(void)
 }
 
 static struct syscore_ops hfi_pm_ops = {
-	.resume = hfi_do_enable,
-	.suspend = hfi_do_disable,
+	.resume = hfi_syscore_resume,
+	.suspend = hfi_syscore_suspend,
+};
+
+static int hfi_thermal_notify(struct notifier_block *nb, unsigned long state,
+			      void *_notify)
+{
+	struct thermal_genl_notify *notify = _notify;
+	struct hfi_instance *hfi_instance;
+	smp_call_func_t func = NULL;
+	unsigned int cpu;
+	int i;
+
+	if (notify->mcgrp != THERMAL_GENL_EVENT_GROUP)
+		return NOTIFY_DONE;
+
+	if (state != THERMAL_NOTIFY_BIND && state != THERMAL_NOTIFY_UNBIND)
+		return NOTIFY_DONE;
+
+	mutex_lock(&hfi_instance_lock);
+
+	switch (state) {
+	case THERMAL_NOTIFY_BIND:
+		if (++hfi_clients_nr == 1)
+			func = hfi_enable_instance;
+		break;
+	case THERMAL_NOTIFY_UNBIND:
+		if (--hfi_clients_nr == 0)
+			func = hfi_disable_instance;
+		break;
+	}
+
+	if (!func)
+		goto out;
+
+	for (i = 0; i < max_hfi_instances; i++) {
+		hfi_instance = &hfi_instances[i];
+		if (cpumask_empty(hfi_instance->cpus))
+			continue;
+
+		cpu = cpumask_any(hfi_instance->cpus);
+		smp_call_function_single(cpu, func, hfi_instance, true);
+	}
+
+out:
+	mutex_unlock(&hfi_instance_lock);
+
+	return NOTIFY_OK;
+}
+
+static struct notifier_block hfi_thermal_nb = {
+	.notifier_call = hfi_thermal_notify,
 };
 
 void __init intel_hfi_init(void)
@@ -628,10 +697,22 @@ void __init intel_hfi_init(void)
 	if (!hfi_updates_wq)
 		goto err_nomem;
 
+	/*
+	 * Both thermal core and Intel HFI can not be build as modules.
+	 * As kernel build-in drivers they are initialized before user-space
+	 * starts, hence we can not miss BIND/UNBIND events when applications
+	 * add/remove thermal multicast group to/from a netlink socket.
+	 */
+	if (thermal_genl_register_notifier(&hfi_thermal_nb))
+		goto err_nl_notif;
+
 	register_syscore_ops(&hfi_pm_ops);
 
 	return;
 
+err_nl_notif:
+	destroy_workqueue(hfi_updates_wq);
+
 err_nomem:
 	for (j = 0; j < i; ++j) {
 		hfi_instance = &hfi_instances[j];
diff --git a/drivers/thermal/intel/intel_soc_dts_iosf.c b/drivers/thermal/intel/intel_soc_dts_iosf.c
index 2ab943b66f..7adf942665 100644
--- a/drivers/thermal/intel/intel_soc_dts_iosf.c
+++ b/drivers/thermal/intel/intel_soc_dts_iosf.c
@@ -387,3 +387,4 @@ EXPORT_SYMBOL_GPL(intel_soc_dts_iosf_exit);
 
 MODULE_IMPORT_NS(INTEL_TCC);
 MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("SoC DTS driver using side band interface");