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author | Steven Whitehouse <swhiteho@redhat.com> | 2006-03-31 15:34:58 -0500 |
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committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-03-31 15:34:58 -0500 |
commit | 86579dd06deecfa6ac88d5e84e4d63c397cd6f6d (patch) | |
tree | b4475d3ccde53015ad84a06e4e55e64591171b75 /drivers/hwmon/smsc47b397.c | |
parent | 7ea9ea832212c4a755650f7c7cc1ff0b63292a41 (diff) | |
parent | a0f067802576d4eb4c65d40b8ee7d6ea3c81dd61 (diff) | |
download | linux-stable-86579dd06deecfa6ac88d5e84e4d63c397cd6f6d.tar.gz linux-stable-86579dd06deecfa6ac88d5e84e4d63c397cd6f6d.tar.bz2 linux-stable-86579dd06deecfa6ac88d5e84e4d63c397cd6f6d.zip |
Merge branch 'master'
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 8663bbbe97f5..b6086186d225 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; |