From b76552b310645fddd76dad5e87d0e8eb3d15e4de Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Fri, 4 Apr 2014 18:01:33 +0200 Subject: [PATCH] hwmon: (lm63) Create all sysfs groups in one call We can create all sysfs groups in one call by using sysfs_create_groups instead of using sysfs_create_group individually for each group. Signed-off-by: Guenter Roeck Signed-off-by: Jean Delvare --- drivers/hwmon/lm63.c | 42 ++++++++++++++---------------------------- 1 file changed, 14 insertions(+), 28 deletions(-) diff --git a/drivers/hwmon/lm63.c b/drivers/hwmon/lm63.c index 55b7d98cb742..7dc4873b343f 100644 --- a/drivers/hwmon/lm63.c +++ b/drivers/hwmon/lm63.c @@ -157,6 +157,7 @@ enum chips { lm63, lm64, lm96163 }; struct lm63_data { struct device *hwmon_dev; struct mutex update_lock; + const struct attribute_group *groups[5]; char valid; /* zero until following fields are valid */ char lut_valid; /* zero until lut fields are valid */ unsigned long last_updated; /* in jiffies */ @@ -1116,6 +1117,7 @@ static int lm63_probe(struct i2c_client *client, { struct device *dev = &client->dev; struct lm63_data *data; + int groups = 0; int err; data = devm_kzalloc(dev, sizeof(struct lm63_data), GFP_KERNEL); @@ -1135,24 +1137,19 @@ static int lm63_probe(struct i2c_client *client, lm63_init_client(client); /* Register sysfs hooks */ - err = sysfs_create_group(&dev->kobj, &lm63_group); - if (err) - return err; - if (data->config & 0x04) { /* tachometer enabled */ - err = sysfs_create_group(&dev->kobj, &lm63_group_fan1); - if (err) - goto exit_remove_files; - } - if (data->kind == lm96163) { - err = sysfs_create_group(&dev->kobj, &lm63_group_temp2_type); - if (err) - goto exit_remove_files; + data->groups[groups++] = &lm63_group; + if (data->config & 0x04) /* tachometer enabled */ + data->groups[groups++] = &lm63_group_fan1; - err = sysfs_create_group(&dev->kobj, &lm63_group_extra_lut); - if (err) - goto exit_remove_files; + if (data->kind == lm96163) { + data->groups[groups++] = &lm63_group_temp2_type; + data->groups[groups++] = &lm63_group_extra_lut; } + err = sysfs_create_groups(&dev->kobj, data->groups); + if (err) + return err; + data->hwmon_dev = hwmon_device_register(dev); if (IS_ERR(data->hwmon_dev)) { err = PTR_ERR(data->hwmon_dev); @@ -1162,12 +1159,7 @@ static int lm63_probe(struct i2c_client *client, return 0; exit_remove_files: - sysfs_remove_group(&dev->kobj, &lm63_group); - sysfs_remove_group(&dev->kobj, &lm63_group_fan1); - if (data->kind == lm96163) { - sysfs_remove_group(&dev->kobj, &lm63_group_temp2_type); - sysfs_remove_group(&dev->kobj, &lm63_group_extra_lut); - } + sysfs_remove_groups(&dev->kobj, data->groups); return err; } @@ -1176,13 +1168,7 @@ static int lm63_remove(struct i2c_client *client) struct lm63_data *data = i2c_get_clientdata(client); hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &lm63_group); - sysfs_remove_group(&client->dev.kobj, &lm63_group_fan1); - if (data->kind == lm96163) { - sysfs_remove_group(&client->dev.kobj, &lm63_group_temp2_type); - sysfs_remove_group(&client->dev.kobj, &lm63_group_extra_lut); - } - + sysfs_remove_groups(&client->dev.kobj, data->groups); return 0; } -- 2.20.1