[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>
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committed by
Greg Kroah-Hartman

parent
3fb9a65529
commit
9a61bf6300
@@ -60,6 +60,7 @@
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#include <linux/hwmon.h>
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#include <linux/hwmon-vid.h>
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#include <linux/err.h>
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#include <linux/mutex.h>
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/*
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* Addresses to scan
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@@ -176,7 +177,7 @@ static struct i2c_driver lm87_driver = {
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struct lm87_data {
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struct i2c_client client;
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struct class_device *class_dev;
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struct semaphore update_lock;
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struct mutex update_lock;
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char valid; /* zero until following fields are valid */
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unsigned long last_updated; /* In jiffies */
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@@ -253,11 +254,11 @@ static void set_in_min(struct device *dev, const char *buf, int nr)
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struct lm87_data *data = i2c_get_clientdata(client);
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long val = simple_strtol(buf, NULL, 10);
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down(&data->update_lock);
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mutex_lock(&data->update_lock);
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data->in_min[nr] = IN_TO_REG(val, data->in_scale[nr]);
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lm87_write_value(client, nr<6 ? LM87_REG_IN_MIN(nr) :
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LM87_REG_AIN_MIN(nr-6), data->in_min[nr]);
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up(&data->update_lock);
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mutex_unlock(&data->update_lock);
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}
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static void set_in_max(struct device *dev, const char *buf, int nr)
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@@ -266,11 +267,11 @@ static void set_in_max(struct device *dev, const char *buf, int nr)
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struct lm87_data *data = i2c_get_clientdata(client);
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long val = simple_strtol(buf, NULL, 10);
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down(&data->update_lock);
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mutex_lock(&data->update_lock);
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data->in_max[nr] = IN_TO_REG(val, data->in_scale[nr]);
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lm87_write_value(client, nr<6 ? LM87_REG_IN_MAX(nr) :
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LM87_REG_AIN_MAX(nr-6), data->in_max[nr]);
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up(&data->update_lock);
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mutex_unlock(&data->update_lock);
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}
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#define set_in(offset) \
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@@ -327,10 +328,10 @@ static void set_temp_low(struct device *dev, const char *buf, int nr)
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struct lm87_data *data = i2c_get_clientdata(client);
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long val = simple_strtol(buf, NULL, 10);
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down(&data->update_lock);
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mutex_lock(&data->update_lock);
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data->temp_low[nr] = TEMP_TO_REG(val);
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lm87_write_value(client, LM87_REG_TEMP_LOW[nr], data->temp_low[nr]);
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up(&data->update_lock);
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mutex_unlock(&data->update_lock);
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}
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static void set_temp_high(struct device *dev, const char *buf, int nr)
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@@ -339,10 +340,10 @@ static void set_temp_high(struct device *dev, const char *buf, int nr)
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struct lm87_data *data = i2c_get_clientdata(client);
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long val = simple_strtol(buf, NULL, 10);
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down(&data->update_lock);
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mutex_lock(&data->update_lock);
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data->temp_high[nr] = TEMP_TO_REG(val);
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lm87_write_value(client, LM87_REG_TEMP_HIGH[nr], data->temp_high[nr]);
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up(&data->update_lock);
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mutex_unlock(&data->update_lock);
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}
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#define set_temp(offset) \
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@@ -411,11 +412,11 @@ static void set_fan_min(struct device *dev, const char *buf, int nr)
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struct lm87_data *data = i2c_get_clientdata(client);
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long val = simple_strtol(buf, NULL, 10);
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down(&data->update_lock);
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mutex_lock(&data->update_lock);
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data->fan_min[nr] = FAN_TO_REG(val,
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FAN_DIV_FROM_REG(data->fan_div[nr]));
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lm87_write_value(client, LM87_REG_FAN_MIN(nr), data->fan_min[nr]);
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up(&data->update_lock);
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mutex_unlock(&data->update_lock);
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}
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/* Note: we save and restore the fan minimum here, because its value is
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@@ -431,7 +432,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
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unsigned long min;
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u8 reg;
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down(&data->update_lock);
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mutex_lock(&data->update_lock);
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min = FAN_FROM_REG(data->fan_min[nr],
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FAN_DIV_FROM_REG(data->fan_div[nr]));
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@@ -441,7 +442,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
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case 4: data->fan_div[nr] = 2; break;
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case 8: data->fan_div[nr] = 3; break;
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default:
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up(&data->update_lock);
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mutex_unlock(&data->update_lock);
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return -EINVAL;
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}
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@@ -459,7 +460,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
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data->fan_min[nr] = FAN_TO_REG(min, val);
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lm87_write_value(client, LM87_REG_FAN_MIN(nr),
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data->fan_min[nr]);
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up(&data->update_lock);
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mutex_unlock(&data->update_lock);
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return count;
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}
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@@ -522,10 +523,10 @@ static ssize_t set_aout(struct device *dev, struct device_attribute *attr, const
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struct lm87_data *data = i2c_get_clientdata(client);
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long val = simple_strtol(buf, NULL, 10);
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down(&data->update_lock);
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mutex_lock(&data->update_lock);
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data->aout = AOUT_TO_REG(val);
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lm87_write_value(client, LM87_REG_AOUT, data->aout);
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up(&data->update_lock);
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mutex_unlock(&data->update_lock);
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return count;
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}
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static DEVICE_ATTR(aout_output, S_IRUGO | S_IWUSR, show_aout, set_aout);
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@@ -589,7 +590,7 @@ static int lm87_detect(struct i2c_adapter *adapter, int address, int kind)
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/* We can fill in the remaining client fields */
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strlcpy(new_client->name, "lm87", I2C_NAME_SIZE);
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data->valid = 0;
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init_MUTEX(&data->update_lock);
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mutex_init(&data->update_lock);
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/* Tell the I2C layer a new client has arrived */
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if ((err = i2c_attach_client(new_client)))
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@@ -744,7 +745,7 @@ static struct lm87_data *lm87_update_device(struct device *dev)
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struct i2c_client *client = to_i2c_client(dev);
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struct lm87_data *data = i2c_get_clientdata(client);
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down(&data->update_lock);
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mutex_lock(&data->update_lock);
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if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
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int i, j;
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@@ -813,7 +814,7 @@ static struct lm87_data *lm87_update_device(struct device *dev)
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data->valid = 1;
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}
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up(&data->update_lock);
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mutex_unlock(&data->update_lock);
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return data;
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}
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