X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fhwmon%2Fsmsc47m192.c;h=3c9db6598ba722b097ba1a369a6aec9edc525c9c;hb=7347cb388e5aecffc4920bd5ea6a61e4a4690bae;hp=a012f396f354d146a65a9128855e63f1aa6d0751;hpb=38cb162b7585d837083b8365da1eb32687c5164c;p=linux-2.6-omap-h63xx.git diff --git a/drivers/hwmon/smsc47m192.c b/drivers/hwmon/smsc47m192.c index a012f396f35..3c9db6598ba 100644 --- a/drivers/hwmon/smsc47m192.c +++ b/drivers/hwmon/smsc47m192.c @@ -31,9 +31,10 @@ #include #include #include +#include /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_1(smsc47m192); @@ -96,8 +97,8 @@ static inline int TEMP_FROM_REG(s8 val) struct smsc47m192_data { struct i2c_client client; - struct class_device *class_dev; - struct semaphore update_lock; + struct device *hwmon_dev; + struct mutex update_lock; char valid; /* !=0 if following fields are valid */ unsigned long last_updated; /* In jiffies */ @@ -164,11 +165,11 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, struct smsc47m192_data *data = i2c_get_clientdata(client); unsigned long val = simple_strtoul(buf, NULL, 10); - down(&data->update_lock); + mutex_lock(&data->update_lock); data->in_min[nr] = IN_TO_REG(val, nr); i2c_smbus_write_byte_data(client, SMSC47M192_REG_IN_MIN(nr), data->in_min[nr]); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -181,11 +182,11 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr, struct smsc47m192_data *data = i2c_get_clientdata(client); unsigned long val = simple_strtoul(buf, NULL, 10); - down(&data->update_lock); + mutex_lock(&data->update_lock); data->in_max[nr] = IN_TO_REG(val, nr); i2c_smbus_write_byte_data(client, SMSC47M192_REG_IN_MAX(nr), data->in_max[nr]); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -243,11 +244,11 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, struct smsc47m192_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); - down(&data->update_lock); + mutex_lock(&data->update_lock); data->temp_min[nr] = TEMP_TO_REG(val); i2c_smbus_write_byte_data(client, SMSC47M192_REG_TEMP_MIN[nr], data->temp_min[nr]); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -260,11 +261,11 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, struct smsc47m192_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); - down(&data->update_lock); + mutex_lock(&data->update_lock); data->temp_max[nr] = TEMP_TO_REG(val); i2c_smbus_write_byte_data(client, SMSC47M192_REG_TEMP_MAX[nr], data->temp_max[nr]); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -287,7 +288,7 @@ static ssize_t set_temp_offset(struct device *dev, struct device_attribute u8 sfr = i2c_smbus_read_byte_data(client, SMSC47M192_REG_SFR); long val = simple_strtol(buf, NULL, 10); - down(&data->update_lock); + mutex_lock(&data->update_lock); data->temp_offset[nr] = TEMP_TO_REG(val); if (nr>1) i2c_smbus_write_byte_data(client, @@ -303,7 +304,7 @@ static ssize_t set_temp_offset(struct device *dev, struct device_attribute } else if ((sfr & 0x10) == (nr==0 ? 0x10 : 0)) i2c_smbus_write_byte_data(client, SMSC47M192_REG_TEMP_OFFSET(nr), 0); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -333,15 +334,14 @@ static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf) { - struct smsc47m192_data *data = smsc47m192_update_device(dev); + struct smsc47m192_data *data = dev_get_drvdata(dev); return sprintf(buf, "%d\n", data->vrm); } static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct smsc47m192_data *data = i2c_get_clientdata(client); + struct smsc47m192_data *data = dev_get_drvdata(dev); data->vrm = simple_strtoul(buf, NULL, 10); return count; } @@ -360,8 +360,8 @@ static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 0x0010); static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 0x0020); static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 0x0040); -static SENSOR_DEVICE_ATTR(temp2_input_fault, S_IRUGO, show_alarm, NULL, 0x4000); -static SENSOR_DEVICE_ATTR(temp3_input_fault, S_IRUGO, show_alarm, NULL, 0x8000); +static SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, show_alarm, NULL, 0x4000); +static SENSOR_DEVICE_ATTR(temp3_fault, S_IRUGO, show_alarm, NULL, 0x8000); static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0x0001); static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 0x0002); static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 0x0004); @@ -411,13 +411,13 @@ static struct attribute *smsc47m192_attributes[] = { &sensor_dev_attr_temp2_min.dev_attr.attr, &sensor_dev_attr_temp2_offset.dev_attr.attr, &sensor_dev_attr_temp2_alarm.dev_attr.attr, - &sensor_dev_attr_temp2_input_fault.dev_attr.attr, + &sensor_dev_attr_temp2_fault.dev_attr.attr, &sensor_dev_attr_temp3_input.dev_attr.attr, &sensor_dev_attr_temp3_max.dev_attr.attr, &sensor_dev_attr_temp3_min.dev_attr.attr, &sensor_dev_attr_temp3_offset.dev_attr.attr, &sensor_dev_attr_temp3_alarm.dev_attr.attr, - &sensor_dev_attr_temp3_input_fault.dev_attr.attr, + &sensor_dev_attr_temp3_fault.dev_attr.attr, &dev_attr_cpu0_vid.attr, &dev_attr_vrm.attr, @@ -531,7 +531,7 @@ static int smsc47m192_detect(struct i2c_adapter *adapter, int address, /* Fill in the remaining client fields and put into the global list */ strlcpy(client->name, "smsc47m192", I2C_NAME_SIZE); data->vrm = vid_which_vrm(); - init_MUTEX(&data->update_lock); + mutex_init(&data->update_lock); /* Tell the I2C layer a new client has arrived */ if ((err = i2c_attach_client(client))) @@ -552,9 +552,9 @@ static int smsc47m192_detect(struct i2c_adapter *adapter, int address, goto exit_remove_files; } - data->class_dev = hwmon_device_register(&client->dev); - if (IS_ERR(data->class_dev)) { - err = PTR_ERR(data->class_dev); + data->hwmon_dev = hwmon_device_register(&client->dev); + if (IS_ERR(data->hwmon_dev)) { + err = PTR_ERR(data->hwmon_dev); goto exit_remove_files; } @@ -576,7 +576,7 @@ static int smsc47m192_detach_client(struct i2c_client *client) struct smsc47m192_data *data = i2c_get_clientdata(client); int err; - hwmon_device_unregister(data->class_dev); + hwmon_device_unregister(data->hwmon_dev); sysfs_remove_group(&client->dev.kobj, &smsc47m192_group); sysfs_remove_group(&client->dev.kobj, &smsc47m192_group_in4); @@ -594,7 +594,7 @@ static struct smsc47m192_data *smsc47m192_update_device(struct device *dev) struct smsc47m192_data *data = i2c_get_clientdata(client); int i, config; - down(&data->update_lock); + mutex_lock(&data->update_lock); if (time_after(jiffies, data->last_updated + HZ + HZ / 2) || !data->valid) { @@ -645,7 +645,7 @@ static struct smsc47m192_data *smsc47m192_update_device(struct device *dev) data->valid = 1; } - up(&data->update_lock); + mutex_unlock(&data->update_lock); return data; }