diff options
Diffstat (limited to 'drivers/hwmon/lm70.c')
| -rw-r--r-- | drivers/hwmon/lm70.c | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/drivers/hwmon/lm70.c b/drivers/hwmon/lm70.c index 275d392eca6..dd366889ce9 100644 --- a/drivers/hwmon/lm70.c +++ b/drivers/hwmon/lm70.c @@ -37,7 +37,7 @@ #define DRVNAME "lm70" struct lm70 { - struct class_device *cdev; + struct device *hwmon_dev; struct semaphore sem; }; @@ -81,7 +81,7 @@ static ssize_t lm70_sense_temp(struct device *dev, * So it's equivalent to multiplying by 0.25 * 1000 = 250. */ val = ((int)raw/32) * 250; - status = sprintf(buf, "%+d\n", val); /* millidegrees Celsius */ + status = sprintf(buf, "%d\n", val); /* millidegrees Celsius */ out: up(&p_lm70->sem); return status; @@ -89,6 +89,14 @@ out: static DEVICE_ATTR(temp1_input, S_IRUGO, lm70_sense_temp, NULL); +static ssize_t lm70_show_name(struct device *dev, struct device_attribute + *devattr, char *buf) +{ + return sprintf(buf, "lm70\n"); +} + +static DEVICE_ATTR(name, S_IRUGO, lm70_show_name, NULL); + /*----------------------------------------------------------------------*/ static int __devinit lm70_probe(struct spi_device *spi) @@ -107,15 +115,16 @@ static int __devinit lm70_probe(struct spi_device *spi) init_MUTEX(&p_lm70->sem); /* sysfs hook */ - p_lm70->cdev = hwmon_device_register(&spi->dev); - if (IS_ERR(p_lm70->cdev)) { + p_lm70->hwmon_dev = hwmon_device_register(&spi->dev); + if (IS_ERR(p_lm70->hwmon_dev)) { dev_dbg(&spi->dev, "hwmon_device_register failed.\n"); - status = PTR_ERR(p_lm70->cdev); + status = PTR_ERR(p_lm70->hwmon_dev); goto out_dev_reg_failed; } dev_set_drvdata(&spi->dev, p_lm70); - if ((status = device_create_file(&spi->dev, &dev_attr_temp1_input))) { + if ((status = device_create_file(&spi->dev, &dev_attr_temp1_input)) + || (status = device_create_file(&spi->dev, &dev_attr_name))) { dev_dbg(&spi->dev, "device_create_file failure.\n"); goto out_dev_create_file_failed; } @@ -123,7 +132,8 @@ static int __devinit lm70_probe(struct spi_device *spi) return 0; out_dev_create_file_failed: - hwmon_device_unregister(p_lm70->cdev); + device_remove_file(&spi->dev, &dev_attr_temp1_input); + hwmon_device_unregister(p_lm70->hwmon_dev); out_dev_reg_failed: dev_set_drvdata(&spi->dev, NULL); kfree(p_lm70); @@ -135,7 +145,8 @@ static int __devexit lm70_remove(struct spi_device *spi) struct lm70 *p_lm70 = dev_get_drvdata(&spi->dev); device_remove_file(&spi->dev, &dev_attr_temp1_input); - hwmon_device_unregister(p_lm70->cdev); + device_remove_file(&spi->dev, &dev_attr_name); + hwmon_device_unregister(p_lm70->hwmon_dev); dev_set_drvdata(&spi->dev, NULL); kfree(p_lm70); |