diff options
| -rw-r--r-- | drivers/hwmon/s3c-hwmon.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/hwmon/s3c-hwmon.c b/drivers/hwmon/s3c-hwmon.c index 3f3f9a47acfd..05248f2d7581 100644 --- a/drivers/hwmon/s3c-hwmon.c +++ b/drivers/hwmon/s3c-hwmon.c @@ -51,7 +51,7 @@ struct s3c_hwmon_attr { * @attr: The holders for the channel attributes. */ struct s3c_hwmon { - struct semaphore lock; + struct mutex lock; struct s3c_adc_client *client; struct device *hwmon_dev; @@ -73,14 +73,14 @@ static int s3c_hwmon_read_ch(struct device *dev, { int ret; - ret = down_interruptible(&hwmon->lock); + ret = mutex_lock_interruptible(&hwmon->lock); if (ret < 0) return ret; dev_dbg(dev, "reading channel %d\n", channel); ret = s3c_adc_read(hwmon->client, channel); - up(&hwmon->lock); + mutex_unlock(&hwmon->lock); return ret; } @@ -296,7 +296,7 @@ static int __devinit s3c_hwmon_probe(struct platform_device *dev) platform_set_drvdata(dev, hwmon); - init_MUTEX(&hwmon->lock); + mutex_init(&hwmon->lock); /* Register with the core ADC driver. */ |