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path: root/drivers/hwmon/lm70.c
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Diffstat (limited to 'drivers/hwmon/lm70.c')
-rw-r--r--drivers/hwmon/lm70.c38
1 files changed, 15 insertions, 23 deletions
diff --git a/drivers/hwmon/lm70.c b/drivers/hwmon/lm70.c
index c274ea25d899..472f79521a96 100644
--- a/drivers/hwmon/lm70.c
+++ b/drivers/hwmon/lm70.c
@@ -57,7 +57,7 @@ static ssize_t lm70_sense_temp(struct device *dev,
struct spi_device *spi = to_spi_device(dev);
int status, val = 0;
u8 rxbuf[2];
- s16 raw=0;
+ s16 raw = 0;
struct lm70 *p_lm70 = spi_get_drvdata(spi);
if (mutex_lock_interruptible(&p_lm70->lock))
@@ -156,6 +156,15 @@ static int __devinit lm70_probe(struct spi_device *spi)
mutex_init(&p_lm70->lock);
p_lm70->chip = chip;
+ spi_set_drvdata(spi, p_lm70);
+
+ status = device_create_file(&spi->dev, &dev_attr_temp1_input);
+ if (status)
+ goto out_dev_create_temp_file_failed;
+ status = device_create_file(&spi->dev, &dev_attr_name);
+ if (status)
+ goto out_dev_create_file_failed;
+
/* sysfs hook */
p_lm70->hwmon_dev = hwmon_device_register(&spi->dev);
if (IS_ERR(p_lm70->hwmon_dev)) {
@@ -163,20 +172,14 @@ static int __devinit lm70_probe(struct spi_device *spi)
status = PTR_ERR(p_lm70->hwmon_dev);
goto out_dev_reg_failed;
}
- spi_set_drvdata(spi, p_lm70);
-
- 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;
- }
return 0;
+out_dev_reg_failed:
+ device_remove_file(&spi->dev, &dev_attr_name);
out_dev_create_file_failed:
device_remove_file(&spi->dev, &dev_attr_temp1_input);
- hwmon_device_unregister(p_lm70->hwmon_dev);
-out_dev_reg_failed:
+out_dev_create_temp_file_failed:
spi_set_drvdata(spi, NULL);
kfree(p_lm70);
return status;
@@ -186,9 +189,9 @@ static int __devexit lm70_remove(struct spi_device *spi)
{
struct lm70 *p_lm70 = spi_get_drvdata(spi);
+ hwmon_device_unregister(p_lm70->hwmon_dev);
device_remove_file(&spi->dev, &dev_attr_temp1_input);
device_remove_file(&spi->dev, &dev_attr_name);
- hwmon_device_unregister(p_lm70->hwmon_dev);
spi_set_drvdata(spi, NULL);
kfree(p_lm70);
@@ -213,18 +216,7 @@ static struct spi_driver lm70_driver = {
.remove = __devexit_p(lm70_remove),
};
-static int __init init_lm70(void)
-{
- return spi_register_driver(&lm70_driver);
-}
-
-static void __exit cleanup_lm70(void)
-{
- spi_unregister_driver(&lm70_driver);
-}
-
-module_init(init_lm70);
-module_exit(cleanup_lm70);
+module_spi_driver(lm70_driver);
MODULE_AUTHOR("Kaiwan N Billimoria");
MODULE_DESCRIPTION("NS LM70 / TI TMP121/TMP123 Linux driver");