diff options
Diffstat (limited to 'drivers/hwmon/ad7314.c')
| -rw-r--r-- | drivers/hwmon/ad7314.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/drivers/hwmon/ad7314.c b/drivers/hwmon/ad7314.c index cfec802cf9ca..37c01e72d699 100644 --- a/drivers/hwmon/ad7314.c +++ b/drivers/hwmon/ad7314.c @@ -87,10 +87,18 @@ static ssize_t ad7314_show_temperature(struct device *dev, } } +static ssize_t ad7314_show_name(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + return sprintf(buf, "%s\n", to_spi_device(dev)->modalias); +} + +static DEVICE_ATTR(name, S_IRUGO, ad7314_show_name, NULL); static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, ad7314_show_temperature, NULL, 0); static struct attribute *ad7314_attributes[] = { + &dev_attr_name.attr, &sensor_dev_attr_temp1_input.dev_attr.attr, NULL, }; @@ -104,16 +112,16 @@ static int __devinit ad7314_probe(struct spi_device *spi_dev) int ret; struct ad7314_data *chip; - chip = kzalloc(sizeof(*chip), GFP_KERNEL); - if (chip == NULL) { - ret = -ENOMEM; - goto error_ret; - } + chip = devm_kzalloc(&spi_dev->dev, sizeof(*chip), GFP_KERNEL); + if (chip == NULL) + return -ENOMEM; + dev_set_drvdata(&spi_dev->dev, chip); ret = sysfs_create_group(&spi_dev->dev.kobj, &ad7314_group); if (ret < 0) - goto error_free_chip; + return ret; + chip->hwmon_dev = hwmon_device_register(&spi_dev->dev); if (IS_ERR(chip->hwmon_dev)) { ret = PTR_ERR(chip->hwmon_dev); @@ -124,9 +132,6 @@ static int __devinit ad7314_probe(struct spi_device *spi_dev) return 0; error_remove_group: sysfs_remove_group(&spi_dev->dev.kobj, &ad7314_group); -error_free_chip: - kfree(chip); -error_ret: return ret; } @@ -136,7 +141,6 @@ static int __devexit ad7314_remove(struct spi_device *spi_dev) hwmon_device_unregister(chip->hwmon_dev); sysfs_remove_group(&spi_dev->dev.kobj, &ad7314_group); - kfree(chip); return 0; } |