Merge branch 'perf/core' into perf/uprobes

Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 47 insertions, 43 deletions

diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index 00460d8d842..be51037363c 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -40,11 +40,14 @@
 #define PMBUS_IOUT_SENSORS_PER_PAGE	8	/* input, min, max, crit,
 						   lowest, highest, avg,
 						   reset */
-#define PMBUS_POUT_SENSORS_PER_PAGE	4	/* input, cap, max, crit */
+#define PMBUS_POUT_SENSORS_PER_PAGE	7	/* input, cap, max, crit,
+						 * highest, avg, reset
+						 */
 #define PMBUS_MAX_SENSORS_PER_FAN	1	/* input */
-#define PMBUS_MAX_SENSORS_PER_TEMP	8	/* input, min, max, lcrit,
-						   crit, lowest, highest,
-						   reset */
+#define PMBUS_MAX_SENSORS_PER_TEMP	9	/* input, min, max, lcrit,
+						 * crit, lowest, highest, avg,
+						 * reset
+						 */
 
 #define PMBUS_MAX_INPUT_BOOLEANS	7	/* v: min_alarm, max_alarm,
 						   lcrit_alarm, crit_alarm;
@@ -54,7 +57,8 @@
 						   lcrit_alarm, crit_alarm */
 #define PMBUS_IOUT_BOOLEANS_PER_PAGE	3	/* alarm, lcrit_alarm,
 						   crit_alarm */
-#define PMBUS_POUT_BOOLEANS_PER_PAGE	2	/* alarm, crit_alarm */
+#define PMBUS_POUT_BOOLEANS_PER_PAGE	3	/* cap_alarm, alarm, crit_alarm
+						 */
 #define PMBUS_MAX_BOOLEANS_PER_FAN	2	/* alarm, fault */
 #define PMBUS_MAX_BOOLEANS_PER_TEMP	4	/* min_alarm, max_alarm,
 						   lcrit_alarm, crit_alarm */
@@ -781,7 +785,7 @@ static ssize_t pmbus_set_sensor(struct device *dev,
 	int ret;
 	u16 regval;
 
-	if (strict_strtol(buf, 10, &val) < 0)
+	if (kstrtol(buf, 10, &val) < 0)
 		return -EINVAL;
 
 	mutex_lock(&data->update_lock);
@@ -1333,6 +1337,17 @@ static const struct pmbus_limit_attr pout_limit_attrs[] = {
 		.attr = "crit",
 		.alarm = "crit_alarm",
 		.sbit = PB_POUT_OP_FAULT,
+	}, {
+		.reg = PMBUS_VIRT_READ_POUT_AVG,
+		.update = true,
+		.attr = "average",
+	}, {
+		.reg = PMBUS_VIRT_READ_POUT_MAX,
+		.update = true,
+		.attr = "input_highest",
+	}, {
+		.reg = PMBUS_VIRT_RESET_POUT_HISTORY,
+		.attr = "reset_history",
 	}
 };
 
@@ -1388,6 +1403,9 @@ static const struct pmbus_limit_attr temp_limit_attrs[] = {
 		.reg = PMBUS_VIRT_READ_TEMP_MIN,
 		.attr = "lowest",
 	}, {
+		.reg = PMBUS_VIRT_READ_TEMP_AVG,
+		.attr = "average",
+	}, {
 		.reg = PMBUS_VIRT_READ_TEMP_MAX,
 		.attr = "highest",
 	}, {
@@ -1423,6 +1441,9 @@ static const struct pmbus_limit_attr temp_limit_attrs2[] = {
 		.reg = PMBUS_VIRT_READ_TEMP2_MIN,
 		.attr = "lowest",
 	}, {
+		.reg = PMBUS_VIRT_READ_TEMP2_AVG,
+		.attr = "average",
+	}, {
 		.reg = PMBUS_VIRT_READ_TEMP2_MAX,
 		.attr = "highest",
 	}, {
@@ -1675,7 +1696,7 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
 				     | I2C_FUNC_SMBUS_WORD_DATA))
 		return -ENODEV;
 
-	data = kzalloc(sizeof(*data), GFP_KERNEL);
+	data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
 	if (!data) {
 		dev_err(&client->dev, "No memory to allocate driver data\n");
 		return -ENOMEM;
@@ -1687,8 +1708,7 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
 	/* Bail out if PMBus status register does not exist. */
 	if (i2c_smbus_read_byte_data(client, PMBUS_STATUS_BYTE) < 0) {
 		dev_err(&client->dev, "PMBus status register not found\n");
-		ret = -ENODEV;
-		goto out_data;
+		return -ENODEV;
 	}
 
 	if (pdata)
@@ -1701,50 +1721,49 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
 		ret = (*info->identify)(client, info);
 		if (ret < 0) {
 			dev_err(&client->dev, "Chip identification failed\n");
-			goto out_data;
+			return ret;
 		}
 	}
 
 	if (info->pages <= 0 || info->pages > PMBUS_PAGES) {
 		dev_err(&client->dev, "Bad number of PMBus pages: %d\n",
 			info->pages);
-		ret = -ENODEV;
-		goto out_data;
+		return -ENODEV;
 	}
 
 	ret = pmbus_identify_common(client, data);
 	if (ret < 0) {
 		dev_err(&client->dev, "Failed to identify chip capabilities\n");
-		goto out_data;
+		return ret;
 	}
 
 	ret = -ENOMEM;
-	data->sensors = kzalloc(sizeof(struct pmbus_sensor) * data->max_sensors,
-				GFP_KERNEL);
+	data->sensors = devm_kzalloc(&client->dev, sizeof(struct pmbus_sensor)
+				     * data->max_sensors, GFP_KERNEL);
 	if (!data->sensors) {
 		dev_err(&client->dev, "No memory to allocate sensor data\n");
-		goto out_data;
+		return -ENOMEM;
 	}
 
-	data->booleans = kzalloc(sizeof(struct pmbus_boolean)
+	data->booleans = devm_kzalloc(&client->dev, sizeof(struct pmbus_boolean)
 				 * data->max_booleans, GFP_KERNEL);
 	if (!data->booleans) {
 		dev_err(&client->dev, "No memory to allocate boolean data\n");
-		goto out_sensors;
+		return -ENOMEM;
 	}
 
-	data->labels = kzalloc(sizeof(struct pmbus_label) * data->max_labels,
-			       GFP_KERNEL);
+	data->labels = devm_kzalloc(&client->dev, sizeof(struct pmbus_label)
+				    * data->max_labels, GFP_KERNEL);
 	if (!data->labels) {
 		dev_err(&client->dev, "No memory to allocate label data\n");
-		goto out_booleans;
+		return -ENOMEM;
 	}
 
-	data->attributes = kzalloc(sizeof(struct attribute *)
-				   * data->max_attributes, GFP_KERNEL);
+	data->attributes = devm_kzalloc(&client->dev, sizeof(struct attribute *)
+					* data->max_attributes, GFP_KERNEL);
 	if (!data->attributes) {
 		dev_err(&client->dev, "No memory to allocate attribute data\n");
-		goto out_labels;
+		return -ENOMEM;
 	}
 
 	pmbus_find_attributes(client, data);
@@ -1755,8 +1774,7 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
 	 */
 	if (!data->num_attributes) {
 		dev_err(&client->dev, "No attributes found\n");
-		ret = -ENODEV;
-		goto out_attributes;
+		return -ENODEV;
 	}
 
 	/* Register sysfs hooks */
@@ -1764,7 +1782,7 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
 	ret = sysfs_create_group(&client->dev.kobj, &data->group);
 	if (ret) {
 		dev_err(&client->dev, "Failed to create sysfs entries\n");
-		goto out_attributes;
+		return ret;
 	}
 	data->hwmon_dev = hwmon_device_register(&client->dev);
 	if (IS_ERR(data->hwmon_dev)) {
@@ -1776,30 +1794,16 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
 
 out_hwmon_device_register:
 	sysfs_remove_group(&client->dev.kobj, &data->group);
-out_attributes:
-	kfree(data->attributes);
-out_labels:
-	kfree(data->labels);
-out_booleans:
-	kfree(data->booleans);
-out_sensors:
-	kfree(data->sensors);
-out_data:
-	kfree(data);
 	return ret;
 }
 EXPORT_SYMBOL_GPL(pmbus_do_probe);
 
-void pmbus_do_remove(struct i2c_client *client)
+int pmbus_do_remove(struct i2c_client *client)
 {
 	struct pmbus_data *data = i2c_get_clientdata(client);
 	hwmon_device_unregister(data->hwmon_dev);
 	sysfs_remove_group(&client->dev.kobj, &data->group);
-	kfree(data->attributes);
-	kfree(data->labels);
-	kfree(data->booleans);
-	kfree(data->sensors);
-	kfree(data);
+	return 0;
 }
 EXPORT_SYMBOL_GPL(pmbus_do_remove);