diff options
| author | Ingo Molnar <mingo@elte.hu> | 2006-01-18 23:19:26 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-03-23 14:21:52 -0800 |
| commit | 9a61bf6300533d3b64d7ff29adfec00e596de67d (patch) | |
| tree | cadce1ae78b51a1dc4c4414699cb590e8c8625e1 /drivers/hwmon/smsc47b397.c | |
| parent | 3fb9a65529615944138d527b70174840c95c637a (diff) | |
[PATCH] hwmon: Semaphore to mutex conversions
convert drivers/hwmon/*.c semaphore use to mutexes.
the conversion was generated via scripts, and the result was validated
automatically via a script as well.
all affected hwmon drivers were build-tested.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/hwmon/smsc47b397.c')
| -rw-r--r-- | drivers/hwmon/smsc47b397.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/hwmon/smsc47b397.c b/drivers/hwmon/smsc47b397.c index 8663bbbe97f..b6086186d22 100644 --- a/drivers/hwmon/smsc47b397.c +++ b/drivers/hwmon/smsc47b397.c @@ -35,6 +35,7 @@ #include <linux/hwmon.h> #include <linux/err.h> #include <linux/init.h> +#include <linux/mutex.h> #include <asm/io.h> /* Address is autodetected, there is no default value */ @@ -92,9 +93,9 @@ static u8 smsc47b397_reg_temp[] = {0x25, 0x26, 0x27, 0x80}; struct smsc47b397_data { struct i2c_client client; struct class_device *class_dev; - struct semaphore lock; + struct mutex lock; - struct semaphore update_lock; + struct mutex update_lock; unsigned long last_updated; /* in jiffies */ int valid; @@ -108,10 +109,10 @@ static int smsc47b397_read_value(struct i2c_client *client, u8 reg) struct smsc47b397_data *data = i2c_get_clientdata(client); int res; - down(&data->lock); + mutex_lock(&data->lock); outb(reg, client->addr); res = inb_p(client->addr + 1); - up(&data->lock); + mutex_unlock(&data->lock); return res; } @@ -121,7 +122,7 @@ static struct smsc47b397_data *smsc47b397_update_device(struct device *dev) struct smsc47b397_data *data = i2c_get_clientdata(client); int i; - down(&data->update_lock); + mutex_lock(&data->update_lock); if (time_after(jiffies, data->last_updated + HZ) || !data->valid) { dev_dbg(&client->dev, "starting device update...\n"); @@ -144,7 +145,7 @@ static struct smsc47b397_data *smsc47b397_update_device(struct device *dev) dev_dbg(&client->dev, "... device update complete\n"); } - up(&data->update_lock); + mutex_unlock(&data->update_lock); return data; } @@ -254,14 +255,14 @@ static int smsc47b397_detect(struct i2c_adapter *adapter) new_client = &data->client; i2c_set_clientdata(new_client, data); new_client->addr = address; - init_MUTEX(&data->lock); + mutex_init(&data->lock); new_client->adapter = adapter; new_client->driver = &smsc47b397_driver; new_client->flags = 0; strlcpy(new_client->name, "smsc47b397", I2C_NAME_SIZE); - init_MUTEX(&data->update_lock); + mutex_init(&data->update_lock); if ((err = i2c_attach_client(new_client))) goto error_free; |