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authorGuenter Roeck <linux@roeck-us.net>2016-07-25 23:27:49 +0300
committerGuenter Roeck <linux@roeck-us.net>2016-09-09 07:34:14 +0300
commit640208567660dbe8ad81f3b1c7c90e56fd352317 (patch)
treeba2d8773ceac425e2a32c07af00997b4330594e4
parentcc00decf0e280953e9067e938ad331f93bda8b40 (diff)
downloadlinux-640208567660dbe8ad81f3b1c7c90e56fd352317.tar.xz
hwmon: (ntc_thermistor) Use devm_iio_channel_get
Use devm_iio_channel_get() instead of iio_channel_get to simplify error handling and device removal. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
-rw-r--r--drivers/hwmon/ntc_thermistor.c12
1 files changed, 1 insertions, 11 deletions
diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c
index 8ef7b713cb1a..485701ca3609 100644
--- a/drivers/hwmon/ntc_thermistor.c
+++ b/drivers/hwmon/ntc_thermistor.c
@@ -331,7 +331,7 @@ ntc_thermistor_parse_dt(struct platform_device *pdev)
if (!pdata)
return ERR_PTR(-ENOMEM);
- chan = iio_channel_get(&pdev->dev, NULL);
+ chan = devm_iio_channel_get(&pdev->dev, NULL);
if (IS_ERR(chan))
return ERR_CAST(chan);
@@ -359,11 +359,6 @@ ntc_thermistor_parse_dt(struct platform_device *pdev)
return pdata;
}
-static void ntc_iio_channel_release(struct ntc_thermistor_platform_data *pdata)
-{
- if (pdata->chan)
- iio_channel_release(pdata->chan);
-}
#else
static struct ntc_thermistor_platform_data *
ntc_thermistor_parse_dt(struct platform_device *pdev)
@@ -373,8 +368,6 @@ ntc_thermistor_parse_dt(struct platform_device *pdev)
#define ntc_match NULL
-static void ntc_iio_channel_release(struct ntc_thermistor_platform_data *pdata)
-{ }
#endif
static inline u64 div64_u64_safe(u64 dividend, u64 divisor)
@@ -685,18 +678,15 @@ static int ntc_thermistor_probe(struct platform_device *pdev)
return 0;
err_after_sysfs:
sysfs_remove_group(&data->dev->kobj, &ntc_attr_group);
- ntc_iio_channel_release(pdata);
return ret;
}
static int ntc_thermistor_remove(struct platform_device *pdev)
{
struct ntc_data *data = platform_get_drvdata(pdev);
- struct ntc_thermistor_platform_data *pdata = data->pdata;
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&data->dev->kobj, &ntc_attr_group);
- ntc_iio_channel_release(pdata);
return 0;
}