From 1c720093f635af490e103c79c056e7408aee6618 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Mon, 16 Jan 2012 22:51:48 +0100 Subject: [PATCH] hwmon: (adm1031) Fix coding style issues Fix almost all coding style issues except for the multi-line macro errors, which do not really apply since the macros are not multi-line statements but declarations. Based on merged patch series from Zac Storer; fixed remaining checkpatch errors and warnings. Cc: Zac Storer Signed-off-by: Guenter Roeck Signed-off-by: Jean Delvare --- drivers/hwmon/adm1031.c | 153 +++++++++++++++++++++++++++------------- 1 file changed, 103 insertions(+), 50 deletions(-) diff --git a/drivers/hwmon/adm1031.c b/drivers/hwmon/adm1031.c index e6291dafa4ca..97e2cfb0bc93 100644 --- a/drivers/hwmon/adm1031.c +++ b/drivers/hwmon/adm1031.c @@ -155,7 +155,8 @@ adm1031_write_value(struct i2c_client *client, u8 reg, unsigned int value) #define TEMP_OFFSET_FROM_REG(val) TEMP_FROM_REG((val) < 0 ? \ (val) | 0x70 : (val)) -#define FAN_FROM_REG(reg, div) ((reg) ? (11250 * 60) / ((reg) * (div)) : 0) +#define FAN_FROM_REG(reg, div) ((reg) ? \ + (11250 * 60) / ((reg) * (div)) : 0) static int FAN_TO_REG(int reg, int div) { @@ -174,8 +175,8 @@ static int FAN_TO_REG(int reg, int div) (((reg) & 0x1F) | (((val) << 5) & 0xe0)) #define AUTO_TEMP_MIN_TO_REG(val, reg) \ - ((((val)/500) & 0xf8)|((reg) & 0x7)) -#define AUTO_TEMP_RANGE_FROM_REG(reg) (5000 * (1<< ((reg)&0x7))) + ((((val) / 500) & 0xf8) | ((reg) & 0x7)) +#define AUTO_TEMP_RANGE_FROM_REG(reg) (5000 * (1 << ((reg) & 0x7))) #define AUTO_TEMP_MIN_FROM_REG(reg) (1000 * ((((reg) >> 3) & 0x1f) << 2)) #define AUTO_TEMP_MIN_FROM_REG_DEG(reg) ((((reg) >> 3) & 0x1f) << 2) @@ -202,7 +203,7 @@ static int AUTO_TEMP_MAX_TO_REG(int val, int reg, int pwm) /* FAN auto control */ #define GET_FAN_AUTO_BITFIELD(data, idx) \ - (*(data)->chan_select_table)[FAN_CHAN_FROM_REG((data)->conf1)][idx%2] + (*(data)->chan_select_table)[FAN_CHAN_FROM_REG((data)->conf1)][idx % 2] /* The tables below contains the possible values for the auto fan * control bitfields. the index in the table is the register value. @@ -230,7 +231,7 @@ static const auto_chan_table_t auto_channel_select_table_adm1030 = { */ static int get_fan_auto_nearest(struct adm1031_data *data, - int chan, u8 val, u8 reg, u8 * new_reg) + int chan, u8 val, u8 reg, u8 *new_reg) { int i; int first_match = -1, exact_match = -1; @@ -258,13 +259,13 @@ get_fan_auto_nearest(struct adm1031_data *data, } } - if (exact_match >= 0) { + if (exact_match >= 0) *new_reg = exact_match; - } else if (first_match >= 0) { + else if (first_match >= 0) *new_reg = first_match; - } else { + else return -EINVAL; - } + return 0; } @@ -283,23 +284,28 @@ set_fan_auto_channel(struct device *dev, struct device_attribute *attr, struct i2c_client *client = to_i2c_client(dev); struct adm1031_data *data = i2c_get_clientdata(client); int nr = to_sensor_dev_attr(attr)->index; - int val = simple_strtol(buf, NULL, 10); + long val; u8 reg; int ret; u8 old_fan_mode; + ret = kstrtol(buf, 10, &val); + if (ret) + return ret; + old_fan_mode = data->conf1; mutex_lock(&data->update_lock); - if ((ret = get_fan_auto_nearest(data, nr, val, data->conf1, ®))) { + ret = get_fan_auto_nearest(data, nr, val, data->conf1, ®); + if (ret) { mutex_unlock(&data->update_lock); return ret; } data->conf1 = FAN_CHAN_TO_REG(reg, data->conf1); if ((data->conf1 & ADM1031_CONF1_AUTO_MODE) ^ (old_fan_mode & ADM1031_CONF1_AUTO_MODE)) { - if (data->conf1 & ADM1031_CONF1_AUTO_MODE){ + if (data->conf1 & ADM1031_CONF1_AUTO_MODE) { /* Switch to Auto Fan Mode * Save PWM registers * Set PWM registers to 33% Both */ @@ -350,7 +356,12 @@ set_auto_temp_min(struct device *dev, struct device_attribute *attr, struct i2c_client *client = to_i2c_client(dev); struct adm1031_data *data = i2c_get_clientdata(client); int nr = to_sensor_dev_attr(attr)->index; - int val = simple_strtol(buf, NULL, 10); + long val; + int ret; + + ret = kstrtol(buf, 10, &val); + if (ret) + return ret; mutex_lock(&data->update_lock); data->auto_temp[nr] = AUTO_TEMP_MIN_TO_REG(val, data->auto_temp[nr]); @@ -374,10 +385,16 @@ set_auto_temp_max(struct device *dev, struct device_attribute *attr, struct i2c_client *client = to_i2c_client(dev); struct adm1031_data *data = i2c_get_clientdata(client); int nr = to_sensor_dev_attr(attr)->index; - int val = simple_strtol(buf, NULL, 10); + long val; + int ret; + + ret = kstrtol(buf, 10, &val); + if (ret) + return ret; mutex_lock(&data->update_lock); - data->temp_max[nr] = AUTO_TEMP_MAX_TO_REG(val, data->auto_temp[nr], data->pwm[nr]); + data->temp_max[nr] = AUTO_TEMP_MAX_TO_REG(val, data->auto_temp[nr], + data->pwm[nr]); adm1031_write_value(client, ADM1031_REG_AUTO_TEMP(nr), data->temp_max[nr]); mutex_unlock(&data->update_lock); @@ -410,8 +427,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, struct i2c_client *client = to_i2c_client(dev); struct adm1031_data *data = i2c_get_clientdata(client); int nr = to_sensor_dev_attr(attr)->index; - int val = simple_strtol(buf, NULL, 10); - int reg; + long val; + int ret, reg; + + ret = kstrtol(buf, 10, &val); + if (ret) + return ret; mutex_lock(&data->update_lock); if ((data->conf1 & ADM1031_CONF1_AUTO_MODE) && @@ -449,9 +470,13 @@ static int trust_fan_readings(struct adm1031_data *data, int chan) if (data->conf1 & ADM1031_CONF1_AUTO_MODE) { switch (data->conf1 & 0x60) { - case 0x00: /* remote temp1 controls fan1 remote temp2 controls fan2 */ + case 0x00: + /* + * remote temp1 controls fan1, + * remote temp2 controls fan2 + */ res = data->temp[chan+1] >= - AUTO_TEMP_MIN_FROM_REG_DEG(data->auto_temp[chan+1]); + AUTO_TEMP_MIN_FROM_REG_DEG(data->auto_temp[chan+1]); break; case 0x20: /* remote temp1 controls both fans */ res = @@ -515,7 +540,12 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr, struct i2c_client *client = to_i2c_client(dev); struct adm1031_data *data = i2c_get_clientdata(client); int nr = to_sensor_dev_attr(attr)->index; - int val = simple_strtol(buf, NULL, 10); + long val; + int ret; + + ret = kstrtol(buf, 10, &val); + if (ret) + return ret; mutex_lock(&data->update_lock); if (val) { @@ -534,10 +564,15 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr, struct i2c_client *client = to_i2c_client(dev); struct adm1031_data *data = i2c_get_clientdata(client); int nr = to_sensor_dev_attr(attr)->index; - int val = simple_strtol(buf, NULL, 10); + long val; u8 tmp; int old_div; int new_min; + int ret; + + ret = kstrtol(buf, 10, &val); + if (ret) + return ret; tmp = val == 8 ? 0xc0 : val == 4 ? 0x80 : @@ -631,9 +666,13 @@ static ssize_t set_temp_offset(struct device *dev, struct i2c_client *client = to_i2c_client(dev); struct adm1031_data *data = i2c_get_clientdata(client); int nr = to_sensor_dev_attr(attr)->index; - int val; + long val; + int ret; + + ret = kstrtol(buf, 10, &val); + if (ret) + return ret; - val = simple_strtol(buf, NULL, 10); val = SENSORS_LIMIT(val, -15000, 15000); mutex_lock(&data->update_lock); data->temp_offset[nr] = TEMP_OFFSET_TO_REG(val); @@ -648,9 +687,13 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, struct i2c_client *client = to_i2c_client(dev); struct adm1031_data *data = i2c_get_clientdata(client); int nr = to_sensor_dev_attr(attr)->index; - int val; + long val; + int ret; + + ret = kstrtol(buf, 10, &val); + if (ret) + return ret; - val = simple_strtol(buf, NULL, 10); val = SENSORS_LIMIT(val, -55000, nr == 0 ? 127750 : 127875); mutex_lock(&data->update_lock); data->temp_min[nr] = TEMP_TO_REG(val); @@ -665,9 +708,13 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, struct i2c_client *client = to_i2c_client(dev); struct adm1031_data *data = i2c_get_clientdata(client); int nr = to_sensor_dev_attr(attr)->index; - int val; + long val; + int ret; + + ret = kstrtol(buf, 10, &val); + if (ret) + return ret; - val = simple_strtol(buf, NULL, 10); val = SENSORS_LIMIT(val, -55000, nr == 0 ? 127750 : 127875); mutex_lock(&data->update_lock); data->temp_max[nr] = TEMP_TO_REG(val); @@ -682,9 +729,13 @@ static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr, struct i2c_client *client = to_i2c_client(dev); struct adm1031_data *data = i2c_get_clientdata(client); int nr = to_sensor_dev_attr(attr)->index; - int val; + long val; + int ret; + + ret = kstrtol(buf, 10, &val); + if (ret) + return ret; - val = simple_strtol(buf, NULL, 10); val = SENSORS_LIMIT(val, -55000, nr == 0 ? 127750 : 127875); mutex_lock(&data->update_lock); data->temp_crit[nr] = TEMP_TO_REG(val); @@ -711,7 +762,8 @@ temp_reg(2); temp_reg(3); /* Alarms */ -static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, + char *buf) { struct adm1031_data *data = adm1031_update_device(dev); return sprintf(buf, "%d\n", data->alarm); @@ -919,12 +971,13 @@ static int adm1031_probe(struct i2c_client *client, adm1031_init_client(client); /* Register sysfs hooks */ - if ((err = sysfs_create_group(&client->dev.kobj, &adm1031_group))) + err = sysfs_create_group(&client->dev.kobj, &adm1031_group); + if (err) goto exit_free; if (data->chip_type == adm1031) { - if ((err = sysfs_create_group(&client->dev.kobj, - &adm1031_group_opt))) + err = sysfs_create_group(&client->dev.kobj, &adm1031_group_opt); + if (err) goto exit_remove; } @@ -970,14 +1023,13 @@ static void adm1031_init_client(struct i2c_client *client) } /* Initialize the ADM1031 chip (enables fan speed reading ) */ read_val = adm1031_read_value(client, ADM1031_REG_CONF2); - if ((read_val | mask) != read_val) { - adm1031_write_value(client, ADM1031_REG_CONF2, read_val | mask); - } + if ((read_val | mask) != read_val) + adm1031_write_value(client, ADM1031_REG_CONF2, read_val | mask); read_val = adm1031_read_value(client, ADM1031_REG_CONF1); if ((read_val | ADM1031_CONF1_MONITOR_ENABLE) != read_val) { - adm1031_write_value(client, ADM1031_REG_CONF1, read_val | - ADM1031_CONF1_MONITOR_ENABLE); + adm1031_write_value(client, ADM1031_REG_CONF1, + read_val | ADM1031_CONF1_MONITOR_ENABLE); } /* Read the chip's update rate */ @@ -1024,8 +1076,7 @@ static struct adm1031_data *adm1031_update_device(struct device *dev) /* oldh is actually newer */ if (newh != oldh) dev_warn(&client->dev, - "Remote temperature may be " - "wrong.\n"); + "Remote temperature may be wrong.\n"); #endif } data->temp[chan] = newh; @@ -1052,22 +1103,24 @@ static struct adm1031_data *adm1031_update_device(struct device *dev) data->conf2 = adm1031_read_value(client, ADM1031_REG_CONF2); data->alarm = adm1031_read_value(client, ADM1031_REG_STATUS(0)) - | (adm1031_read_value(client, ADM1031_REG_STATUS(1)) - << 8); - if (data->chip_type == adm1030) { + | (adm1031_read_value(client, ADM1031_REG_STATUS(1)) << 8); + if (data->chip_type == adm1030) data->alarm &= 0xc0ff; - } - for (chan=0; chan<(data->chip_type == adm1030 ? 1 : 2); chan++) { + for (chan = 0; chan < (data->chip_type == adm1030 ? 1 : 2); + chan++) { data->fan_div[chan] = - adm1031_read_value(client, ADM1031_REG_FAN_DIV(chan)); + adm1031_read_value(client, + ADM1031_REG_FAN_DIV(chan)); data->fan_min[chan] = - adm1031_read_value(client, ADM1031_REG_FAN_MIN(chan)); + adm1031_read_value(client, + ADM1031_REG_FAN_MIN(chan)); data->fan[chan] = - adm1031_read_value(client, ADM1031_REG_FAN_SPEED(chan)); + adm1031_read_value(client, + ADM1031_REG_FAN_SPEED(chan)); data->pwm[chan] = - 0xf & (adm1031_read_value(client, ADM1031_REG_PWM) >> - (4*chan)); + (adm1031_read_value(client, + ADM1031_REG_PWM) >> (4 * chan)) & 0x0f; } data->last_updated = jiffies; data->valid = 1;