From 7cc3cb6662a21a59a2e0e752a8ebd95137c71d3a Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Sat, 14 Jan 2012 22:31:08 -0800 Subject: hwmon: (smsc47m192) Fix checkpatch issues Fixed: ERROR: code indent should use tabs where possible ERROR: do not use assignment in if condition ERROR: spaces required around that '<' (ctx:VxV) ERROR: spaces required around that '==' (ctx:VxV) ERROR: spaces required around that '=' (ctx:VxV) ERROR: spaces required around that '>' (ctx:VxV) NOTE: whitespace errors detected, you may wish to use scripts/cleanpatch or WARNING: please, no space before tabs WARNING: simple_strtol is obsolete, use kstrtol instead WARNING: simple_strtoul is obsolete, use kstrtoul instead Modify multi-line comments to follow Documentation/CodingStyle. Not fixed (false positive): ERROR: Macros with multiple statements should be enclosed in a do - while loop Cc: Hartmut Rick Signed-off-by: Guenter Roeck --- drivers/hwmon/smsc47m192.c | 132 +++++++++++++++++++++++++++++---------------- 1 file changed, 86 insertions(+), 46 deletions(-) (limited to 'drivers/hwmon/smsc47m192.c') diff --git a/drivers/hwmon/smsc47m192.c b/drivers/hwmon/smsc47m192.c index 8f88908cf78..4705a8bf11c 100644 --- a/drivers/hwmon/smsc47m192.c +++ b/drivers/hwmon/smsc47m192.c @@ -1,25 +1,25 @@ /* - smsc47m192.c - Support for hardware monitoring block of - SMSC LPC47M192 and compatible Super I/O chips - - Copyright (C) 2006 Hartmut Rick - - Derived from lm78.c and other chip drivers. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ + * smsc47m192.c - Support for hardware monitoring block of + * SMSC LPC47M192 and compatible Super I/O chips + * + * Copyright (C) 2006 Hartmut Rick + * + * Derived from lm78.c and other chip drivers. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ #include #include @@ -37,16 +37,16 @@ static const unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END }; /* SMSC47M192 registers */ -#define SMSC47M192_REG_IN(nr) ((nr)<6 ? (0x20 + (nr)) : \ +#define SMSC47M192_REG_IN(nr) ((nr) < 6 ? (0x20 + (nr)) : \ (0x50 + (nr) - 6)) -#define SMSC47M192_REG_IN_MAX(nr) ((nr)<6 ? (0x2b + (nr) * 2) : \ +#define SMSC47M192_REG_IN_MAX(nr) ((nr) < 6 ? (0x2b + (nr) * 2) : \ (0x54 + (((nr) - 6) * 2))) -#define SMSC47M192_REG_IN_MIN(nr) ((nr)<6 ? (0x2c + (nr) * 2) : \ +#define SMSC47M192_REG_IN_MIN(nr) ((nr) < 6 ? (0x2c + (nr) * 2) : \ (0x55 + (((nr) - 6) * 2))) static u8 SMSC47M192_REG_TEMP[3] = { 0x27, 0x26, 0x52 }; static u8 SMSC47M192_REG_TEMP_MAX[3] = { 0x39, 0x37, 0x58 }; static u8 SMSC47M192_REG_TEMP_MIN[3] = { 0x3A, 0x38, 0x59 }; -#define SMSC47M192_REG_TEMP_OFFSET(nr) ((nr)==2 ? 0x1e : 0x1f) +#define SMSC47M192_REG_TEMP_OFFSET(nr) ((nr) == 2 ? 0x1e : 0x1f) #define SMSC47M192_REG_ALARM1 0x41 #define SMSC47M192_REG_ALARM2 0x42 #define SMSC47M192_REG_VID 0x47 @@ -80,8 +80,10 @@ static inline u8 IN_TO_REG(unsigned long val, int n) return SENSORS_LIMIT(SCALE(val, 192, nom_mv[n]), 0, 255); } -/* TEMP: 0.001 degC units (-128C to +127C) - REG: 1C/bit, two's complement */ +/* + * TEMP: 0.001 degC units (-128C to +127C) + * REG: 1C/bit, two's complement + */ static inline s8 TEMP_TO_REG(int val) { return SENSORS_LIMIT(SCALE(val, 1, 1000), -128000, 127000); @@ -170,7 +172,12 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct i2c_client *client = to_i2c_client(dev); struct smsc47m192_data *data = i2c_get_clientdata(client); - unsigned long val = simple_strtoul(buf, NULL, 10); + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); data->in_min[nr] = IN_TO_REG(val, nr); @@ -187,7 +194,12 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct i2c_client *client = to_i2c_client(dev); struct smsc47m192_data *data = i2c_get_clientdata(client); - unsigned long val = simple_strtoul(buf, NULL, 10); + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); data->in_max[nr] = IN_TO_REG(val, nr); @@ -249,7 +261,12 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct i2c_client *client = to_i2c_client(dev); struct smsc47m192_data *data = i2c_get_clientdata(client); - long val = simple_strtol(buf, NULL, 10); + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); data->temp_min[nr] = TEMP_TO_REG(val); @@ -266,7 +283,12 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct i2c_client *client = to_i2c_client(dev); struct smsc47m192_data *data = i2c_get_clientdata(client); - long val = simple_strtol(buf, NULL, 10); + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); data->temp_max[nr] = TEMP_TO_REG(val); @@ -293,22 +315,29 @@ static ssize_t set_temp_offset(struct device *dev, struct device_attribute struct i2c_client *client = to_i2c_client(dev); struct smsc47m192_data *data = i2c_get_clientdata(client); u8 sfr = i2c_smbus_read_byte_data(client, SMSC47M192_REG_SFR); - long val = simple_strtol(buf, NULL, 10); + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); data->temp_offset[nr] = TEMP_TO_REG(val); - if (nr>1) + if (nr > 1) i2c_smbus_write_byte_data(client, SMSC47M192_REG_TEMP_OFFSET(nr), data->temp_offset[nr]); else if (data->temp_offset[nr] != 0) { - /* offset[0] and offset[1] share the same register, - SFR bit 4 activates offset[0] */ + /* + * offset[0] and offset[1] share the same register, + * SFR bit 4 activates offset[0] + */ i2c_smbus_write_byte_data(client, SMSC47M192_REG_SFR, - (sfr & 0xef) | (nr==0 ? 0x10 : 0)); + (sfr & 0xef) | (nr == 0 ? 0x10 : 0)); data->temp_offset[1-nr] = 0; i2c_smbus_write_byte_data(client, SMSC47M192_REG_TEMP_OFFSET(nr), data->temp_offset[nr]); - } else if ((sfr & 0x10) == (nr==0 ? 0x10 : 0)) + } else if ((sfr & 0x10) == (nr == 0 ? 0x10 : 0)) i2c_smbus_write_byte_data(client, SMSC47M192_REG_TEMP_OFFSET(nr), 0); mutex_unlock(&data->update_lock); @@ -349,7 +378,14 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct smsc47m192_data *data = dev_get_drvdata(dev); - data->vrm = simple_strtoul(buf, NULL, 10); + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err) + return err; + + data->vrm = val; return count; } static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm); @@ -458,13 +494,13 @@ static void smsc47m192_init_client(struct i2c_client *client) (sfr & 0xfd) | 0x02); if (!(config & 0x01)) { /* initialize alarm limits */ - for (i=0; i<8; i++) { + for (i = 0; i < 8; i++) { i2c_smbus_write_byte_data(client, SMSC47M192_REG_IN_MIN(i), 0); i2c_smbus_write_byte_data(client, SMSC47M192_REG_IN_MAX(i), 0xff); } - for (i=0; i<3; i++) { + for (i = 0; i < 3; i++) { i2c_smbus_write_byte_data(client, SMSC47M192_REG_TEMP_MIN[i], 0x80); i2c_smbus_write_byte_data(client, @@ -532,14 +568,16 @@ static int smsc47m192_probe(struct i2c_client *client, smsc47m192_init_client(client); /* Register sysfs hooks */ - if ((err = sysfs_create_group(&client->dev.kobj, &smsc47m192_group))) + err = sysfs_create_group(&client->dev.kobj, &smsc47m192_group); + if (err) goto exit_free; /* Pin 110 is either in4 (+12V) or VID4 */ config = i2c_smbus_read_byte_data(client, SMSC47M192_REG_CONFIG); if (!(config & 0x20)) { - if ((err = sysfs_create_group(&client->dev.kobj, - &smsc47m192_group_in4))) + err = sysfs_create_group(&client->dev.kobj, + &smsc47m192_group_in4); + if (err) goto exit_remove_files; } @@ -606,8 +644,10 @@ static struct smsc47m192_data *smsc47m192_update_device(struct device *dev) for (i = 1; i < 3; i++) data->temp_offset[i] = i2c_smbus_read_byte_data(client, SMSC47M192_REG_TEMP_OFFSET(i)); - /* first offset is temp_offset[0] if SFR bit 4 is set, - temp_offset[1] otherwise */ + /* + * first offset is temp_offset[0] if SFR bit 4 is set, + * temp_offset[1] otherwise + */ if (sfr & 0x10) { data->temp_offset[0] = data->temp_offset[1]; data->temp_offset[1] = 0; @@ -624,7 +664,7 @@ static struct smsc47m192_data *smsc47m192_update_device(struct device *dev) data->alarms = i2c_smbus_read_byte_data(client, SMSC47M192_REG_ALARM1) | (i2c_smbus_read_byte_data(client, - SMSC47M192_REG_ALARM2) << 8); + SMSC47M192_REG_ALARM2) << 8); data->last_updated = jiffies; data->valid = 1; -- cgit v1.2.3