diff options
29 files changed, 393 insertions, 714 deletions
diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c index ff7de40b6e35..fb5363985e21 100644 --- a/drivers/hwmon/adm1026.c +++ b/drivers/hwmon/adm1026.c @@ -1672,35 +1672,26 @@ static int adm1026_detect(struct i2c_client *client, int kind, i2c_adapter_id(client->adapter), client->addr, company, verstep); - /* If auto-detecting, Determine the chip type. */ - if (kind <= 0) { - dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x " - "...\n", i2c_adapter_id(adapter), address); - if (company == ADM1026_COMPANY_ANALOG_DEV - && verstep == ADM1026_VERSTEP_ADM1026) { - kind = adm1026; - } else if (company == ADM1026_COMPANY_ANALOG_DEV - && (verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) { - dev_err(&adapter->dev, "Unrecognized stepping " - "0x%02x. Defaulting to ADM1026.\n", verstep); - kind = adm1026; - } else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) { - dev_err(&adapter->dev, "Found version/stepping " - "0x%02x. Assuming generic ADM1026.\n", - verstep); - kind = any_chip; - } else { - dev_dbg(&adapter->dev, "Autodetection failed\n"); - /* Not an ADM1026 ... */ - if (kind == 0) { /* User used force=x,y */ - dev_err(&adapter->dev, "Generic ADM1026 not " - "found at %d,0x%02x. Try " - "force_adm1026.\n", - i2c_adapter_id(adapter), address); - } - return -ENODEV; - } + /* Determine the chip type. */ + dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x...\n", + i2c_adapter_id(adapter), address); + if (company == ADM1026_COMPANY_ANALOG_DEV + && verstep == ADM1026_VERSTEP_ADM1026) { + /* Analog Devices ADM1026 */ + } else if (company == ADM1026_COMPANY_ANALOG_DEV + && (verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) { + dev_err(&adapter->dev, "Unrecognized stepping " + "0x%02x. Defaulting to ADM1026.\n", verstep); + } else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) { + dev_err(&adapter->dev, "Found version/stepping " + "0x%02x. Assuming generic ADM1026.\n", + verstep); + } else { + dev_dbg(&adapter->dev, "Autodetection failed\n"); + /* Not an ADM1026... */ + return -ENODEV; } + strlcpy(info->type, "adm1026", I2C_NAME_SIZE); return 0; diff --git a/drivers/hwmon/adm1029.c b/drivers/hwmon/adm1029.c index 36718150b475..4d7d8433c2f3 100644 --- a/drivers/hwmon/adm1029.c +++ b/drivers/hwmon/adm1029.c @@ -301,59 +301,36 @@ static int adm1029_detect(struct i2c_client *client, int kind, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; + u8 man_id, chip_id, temp_devices_installed, nb_fan_support; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - /* Now we do the detection and identification. A negative kind - * means that the driver was loaded with no force parameter - * (default), so we must both detect and identify the chip - * (actually there is only one possible kind of chip for now, adm1029). - * A zero kind means that the driver was loaded with the force - * parameter, the detection step shall be skipped. A positive kind - * means that the driver was loaded with the force parameter and a - * given kind of chip is requested, so both the detection and the - * identification steps are skipped. */ - - /* Default to an adm1029 if forced */ - if (kind == 0) - kind = adm1029; - /* ADM1029 doesn't have CHIP ID, check just MAN ID * For better detection we check also ADM1029_TEMP_DEVICES_INSTALLED, * ADM1029_REG_NB_FAN_SUPPORT and compare it with possible values * documented */ - if (kind <= 0) { /* identification */ - u8 man_id, chip_id, temp_devices_installed, nb_fan_support; - - man_id = i2c_smbus_read_byte_data(client, ADM1029_REG_MAN_ID); - chip_id = i2c_smbus_read_byte_data(client, ADM1029_REG_CHIP_ID); - temp_devices_installed = i2c_smbus_read_byte_data(client, + man_id = i2c_smbus_read_byte_data(client, ADM1029_REG_MAN_ID); + chip_id = i2c_smbus_read_byte_data(client, ADM1029_REG_CHIP_ID); + temp_devices_installed = i2c_smbus_read_byte_data(client, ADM1029_REG_TEMP_DEVICES_INSTALLED); - nb_fan_support = i2c_smbus_read_byte_data(client, + nb_fan_support = i2c_smbus_read_byte_data(client, ADM1029_REG_NB_FAN_SUPPORT); - /* 0x41 is Analog Devices */ - if (man_id == 0x41 && (temp_devices_installed & 0xf9) == 0x01 - && nb_fan_support == 0x03) { - if ((chip_id & 0xF0) == 0x00) { - kind = adm1029; - } else { - /* There are no "official" CHIP ID, so actually - * we use Major/Minor revision for that */ - printk(KERN_INFO - "adm1029: Unknown major revision %x, " - "please let us know\n", chip_id); - } - } + /* 0x41 is Analog Devices */ + if (man_id != 0x41 || (temp_devices_installed & 0xf9) != 0x01 + || nb_fan_support != 0x03) + return -ENODEV; - if (kind <= 0) { /* identification failed */ - pr_debug("adm1029: Unsupported chip (man_id=0x%02X, " - "chip_id=0x%02X)\n", man_id, chip_id); - return -ENODEV; - } + if ((chip_id & 0xF0) != 0x00) { + /* There are no "official" CHIP ID, so actually + * we use Major/Minor revision for that */ + pr_info("adm1029: Unknown major revision %x, " + "please let us know\n", chip_id); + return -ENODEV; } + strlcpy(info->type, "adm1029", I2C_NAME_SIZE); return 0; diff --git a/drivers/hwmon/adm1031.c b/drivers/hwmon/adm1031.c index 56905955352c..0e722175aae0 100644 --- a/drivers/hwmon/adm1031.c +++ b/drivers/hwmon/adm1031.c @@ -817,31 +817,19 @@ static int adm1031_detect(struct i2c_client *client, int kind, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; - const char *name = ""; + const char *name; + int id, co; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - if (kind < 0) { - int id, co; - id = i2c_smbus_read_byte_data(client, 0x3d); - co = i2c_smbus_read_byte_data(client, 0x3e); + id = i2c_smbus_read_byte_data(client, 0x3d); + co = i2c_smbus_read_byte_data(client, 0x3e); - if (!((id == 0x31 || id == 0x30) && co == 0x41)) - return -ENODEV; - kind = (id == 0x30) ? adm1030 : adm1031; - } - - if (kind <= 0) - kind = adm1031; + if (!((id == 0x31 || id == 0x30) && co == 0x41)) + return -ENODEV; + name = (id == 0x30) ? "adm1030" : "adm1031"; - /* Given the detected chip type, set the chip name and the - * auto fan control helper table. */ - if (kind == adm1030) { - name = "adm1030"; - } else if (kind == adm1031) { - name = "adm1031"; - } strlcpy(info->type, name, I2C_NAME_SIZE); return 0; diff --git a/drivers/hwmon/adm9240.c b/drivers/hwmon/adm9240.c index 2444b15f2e9d..20e0481cc206 100644 --- a/drivers/hwmon/adm9240.c +++ b/drivers/hwmon/adm9240.c @@ -556,51 +556,34 @@ static int adm9240_detect(struct i2c_client *new_client, int kind, if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - if (kind == 0) { - kind = adm9240; - } - - if (kind < 0) { - - /* verify chip: reg address should match i2c address */ - if (i2c_smbus_read_byte_data(new_client, ADM9240_REG_I2C_ADDR) - != address) { - dev_err(&adapter->dev, "detect fail: address match, " - "0x%02x\n", address); - return -ENODEV; - } - - /* check known chip manufacturer */ - man_id = i2c_smbus_read_byte_data(new_client, - ADM9240_REG_MAN_ID); - if (man_id == 0x23) { - kind = adm9240; - } else if (man_id == 0xda) { - kind = ds1780; - } else if (man_id == 0x01) { - kind = lm81; - } else { - dev_err(&adapter->dev, "detect fail: unknown manuf, " - "0x%02x\n", man_id); - return -ENODEV; - } - - /* successful detect, print chip info */ - die_rev = i2c_smbus_read_byte_data(new_client, - ADM9240_REG_DIE_REV); - dev_info(&adapter->dev, "found %s revision %u\n", - man_id == 0x23 ? "ADM9240" : - man_id == 0xda ? "DS1780" : "LM81", die_rev); + /* verify chip: reg address should match i2c address */ + if (i2c_smbus_read_byte_data(new_client, ADM9240_REG_I2C_ADDR) + != address) { + dev_err(&adapter->dev, "detect fail: address match, 0x%02x\n", + address); + return -ENODEV; } - /* either forced or detected chip kind */ - if (kind == adm9240) { + /* check known chip manufacturer */ + man_id = i2c_smbus_read_byte_data(new_client, ADM9240_REG_MAN_ID); + if (man_id == 0x23) { name = "adm9240"; - } else if (kind == ds1780) { + } else if (man_id == 0xda) { name = "ds1780"; - } else if (kind == lm81) { + } else if (man_id == 0x01) { name = "lm81"; + } else { + dev_err(&adapter->dev, "detect fail: unknown manuf, 0x%02x\n", + man_id); + return -ENODEV; } + + /* successful detect, print chip info */ + die_rev = i2c_smbus_read_byte_data(new_client, ADM9240_REG_DIE_REV); + dev_info(&adapter->dev, "found %s revision %u\n", + man_id == 0x23 ? "ADM9240" : + man_id == 0xda ? "DS1780" : "LM81", die_rev); + strlcpy(info->type, name, I2C_NAME_SIZE); return 0; diff --git a/drivers/hwmon/ads7828.c b/drivers/hwmon/ads7828.c index 5c39b4af1b23..451977bca7d6 100644 --- a/drivers/hwmon/ads7828.c +++ b/drivers/hwmon/ads7828.c @@ -191,6 +191,7 @@ static int ads7828_detect(struct i2c_client *client, int kind, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; + int ch; /* Check we have a valid client */ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_READ_WORD_DATA)) @@ -202,20 +203,17 @@ static int ads7828_detect(struct i2c_client *client, int kind, - Read from the 8 channel addresses - Check the top 4 bits of each result are not set (12 data bits) */ - if (kind < 0) { - int ch; - for (ch = 0; ch < ADS7828_NCH; ch++) { - u16 in_data; - u8 cmd = channel_cmd_byte(ch); - in_data = ads7828_read_value(client, cmd); - if (in_data & 0xF000) { - printk(KERN_DEBUG - "%s : Doesn't look like an ads7828 device\n", - __func__); - return -ENODEV; - } + for (ch = 0; ch < ADS7828_NCH; ch++) { + u16 in_data; + u8 cmd = channel_cmd_byte(ch); + in_data = ads7828_read_value(client, cmd); + if (in_data & 0xF000) { + pr_debug("%s : Doesn't look like an ads7828 device\n", + __func__); + return -ENODEV; } } + strlcpy(info->type, "ads7828", I2C_NAME_SIZE); return 0; diff --git a/drivers/hwmon/adt7462.c b/drivers/hwmon/adt7462.c index 1852f27bac51..f9c9562b6a94 100644 --- a/drivers/hwmon/adt7462.c +++ b/drivers/hwmon/adt7462.c @@ -1906,27 +1906,22 @@ static int adt7462_detect(struct i2c_client *client, int kind, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; + int vendor, device, revision; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - if (kind <= 0) { - int vendor, device, revision; - - vendor = i2c_smbus_read_byte_data(client, ADT7462_REG_VENDOR); - if (vendor != ADT7462_VENDOR) - return -ENODEV; + vendor = i2c_smbus_read_byte_data(client, ADT7462_REG_VENDOR); + if (vendor != ADT7462_VENDOR) + return -ENODEV; - device = i2c_smbus_read_byte_data(client, ADT7462_REG_DEVICE); - if (device != ADT7462_DEVICE) - return -ENODEV; + device = i2c_smbus_read_byte_data(client, ADT7462_REG_DEVICE); + if (device != ADT7462_DEVICE) + return -ENODEV; - revision = i2c_smbus_read_byte_data(client, - ADT7462_REG_REVISION); - if (revision != ADT7462_REVISION) - return -ENODEV; - } else - dev_dbg(&adapter->dev, "detection forced\n"); + revision = i2c_smbus_read_byte_data(client, ADT7462_REG_REVISION); + if (revision != ADT7462_REVISION) + return -ENODEV; strlcpy(info->type, "adt7462", I2C_NAME_SIZE); diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c index 633e1a1e9d79..32b1750a6890 100644 --- a/drivers/hwmon/adt7470.c +++ b/drivers/hwmon/adt7470.c @@ -1229,27 +1229,22 @@ static int adt7470_detect(struct i2c_client *client, int kind, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; + int vendor, device, revision; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - if (kind <= 0) { - int vendor, device, revision; - - vendor = i2c_smbus_read_byte_data(client, ADT7470_REG_VENDOR); - if (vendor != ADT7470_VENDOR) - return -ENODEV; + vendor = i2c_smbus_read_byte_data(client, ADT7470_REG_VENDOR); + if (vendor != ADT7470_VENDOR) + return -ENODEV; - device = i2c_smbus_read_byte_data(client, ADT7470_REG_DEVICE); - if (device != ADT7470_DEVICE) - return -ENODEV; + device = i2c_smbus_read_byte_data(client, ADT7470_REG_DEVICE); + if (device != ADT7470_DEVICE) + return -ENODEV; - revision = i2c_smbus_read_byte_data(client, - ADT7470_REG_REVISION); - if (revision != ADT7470_REVISION) - return -ENODEV; - } else - dev_dbg(&adapter->dev, "detection forced\n"); + revision = i2c_smbus_read_byte_data(client, ADT7470_REG_REVISION); + if (revision != ADT7470_REVISION) + return -ENODEV; strlcpy(info->type, "adt7470", I2C_NAME_SIZE); diff --git a/drivers/hwmon/adt7473.c b/drivers/hwmon/adt7473.c index 0a6ce2367b42..97ef50833f64 100644 --- a/drivers/hwmon/adt7473.c +++ b/drivers/hwmon/adt7473.c @@ -1090,27 +1090,22 @@ static int adt7473_detect(struct i2c_client *client, int kind, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; + int vendor, device, revision; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - if (kind <= 0) { - int vendor, device, revision; - - vendor = i2c_smbus_read_byte_data(client, ADT7473_REG_VENDOR); - if (vendor != ADT7473_VENDOR) - return -ENODEV; + vendor = i2c_smbus_read_byte_data(client, ADT7473_REG_VENDOR); + if (vendor != ADT7473_VENDOR) + return -ENODEV; - device = i2c_smbus_read_byte_data(client, ADT7473_REG_DEVICE); - if (device != ADT7473_DEVICE) - return -ENODEV; + device = i2c_smbus_read_byte_data(client, ADT7473_REG_DEVICE); + if (device != ADT7473_DEVICE) + return -ENODEV; - revision = i2c_smbus_read_byte_data(client, - ADT7473_REG_REVISION); - if (revision != ADT7473_REV_68 && revision != ADT7473_REV_69) - return -ENODEV; - } else - dev_dbg(&adapter->dev, "detection forced\n"); + revision = i2c_smbus_read_byte_data(client, ADT7473_REG_REVISION); + if (revision != ADT7473_REV_68 && revision != ADT7473_REV_69) + return -ENODEV; strlcpy(info->type, "adt7473", I2C_NAME_SIZE); diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c index b5a95193c694..41d3e38f9ce1 100644 --- a/drivers/hwmon/adt7475.c +++ b/drivers/hwmon/adt7475.c @@ -974,14 +974,12 @@ static int adt7475_detect(struct i2c_client *client, int kind, if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - if (kind <= 0) { - if (adt7475_read(REG_VENDID) != 0x41 || - adt7475_read(REG_DEVID) != 0x75) { - dev_err(&adapter->dev, - "Couldn't detect a adt7475 part at 0x%02x\n", - (unsigned int)client->addr); - return -ENODEV; - } + if (adt7475_read(REG_VENDID) != 0x41 || + adt7475_read(REG_DEVID) != 0x75) { + dev_err(&adapter->dev, + "Couldn't detect a adt7475 part at 0x%02x\n", + (unsigned int)client->addr); + return -ENODEV; } strlcpy(info->type, adt7475_id[0].name, I2C_NAME_SIZE); diff --git a/drivers/hwmon/asb100.c b/drivers/hwmon/asb100.c index 8acf82977e7b..480f80ea1fa0 100644 --- a/drivers/hwmon/asb100.c +++ b/drivers/hwmon/asb100.c @@ -701,6 +701,7 @@ static int asb100_detect(struct i2c_client *client, int kind, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; + int val1, val2; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { pr_debug("asb100.o: detect failed, " @@ -708,50 +709,30 @@ static int asb100_detect(struct i2c_client *client, int kind, return -ENODEV; } - /* The chip may be stuck in some other bank than bank 0. This may - make reading other information impossible. Specify a force=... or - force_*=... parameter, and the chip will be reset to the right - bank. */ - if (kind < 0) { - - int val1 = i2c_smbus_read_byte_data(client, ASB100_REG_BANK); - int val2 = i2c_smbus_read_byte_data(client, ASB100_REG_CHIPMAN); - - /* If we're in bank 0 */ - if ((!(val1 & 0x07)) && - /* Check for ASB100 ID (low byte) */ - (((!(val1 & 0x80)) && (val2 != 0x94)) || - /* Check for ASB100 ID (high byte ) */ - ((val1 & 0x80) && (val2 != 0x06)))) { - pr_debug("asb100.o: detect failed, " - "bad chip id 0x%02x!\n", val2); - return -ENODEV; - } + val1 = i2c_smbus_read_byte_data(client, ASB100_REG_BANK); + val2 = i2c_smbus_read_byte_data(client, ASB100_REG_CHIPMAN); - } /* kind < 0 */ + /* If we're in bank 0 */ + if ((!(val1 & 0x07)) && + /* Check for ASB100 ID (low byte) */ + (((!(val1 & 0x80)) && (val2 != 0x94)) || + /* Check for ASB100 ID (high byte ) */ + ((val1 & 0x80) && (val2 != 0x06)))) { + pr_debug("asb100: detect failed, bad chip id 0x%02x!\n", val2); + return -ENODEV; + } - /* We have either had a force parameter, or we have already detected - Winbond. Put it now into bank 0 and Vendor ID High Byte */ + /* Put it now into bank 0 and Vendor ID High Byte */ i2c_smbus_write_byte_data(client, ASB100_REG_BANK, (i2c_smbus_read_byte_data(client, ASB100_REG_BANK) & 0x78) | 0x80); /* Determine the chip type. */ - if (kind <= 0) { - int val1 = i2c_smbus_read_byte_data(client, ASB100_REG_WCHIPID); - int val2 = i2c_smbus_read_byte_data(client, ASB100_REG_CHIPMAN); - - if ((val1 == 0x31) && (val2 == 0x06)) - kind = asb100; - else { - if (kind == 0) - dev_warn(&adapter->dev, "ignoring " - "'force' parameter for unknown chip " - "at adapter %d, address 0x%02x.\n", - i2c_adapter_id(adapter), client->addr); - return -ENODEV; - } - } + val1 = i2c_smbus_read_byte_data(client, ASB100_REG_WCHIPID); + val2 = i2c_smbus_read_byte_data(client, ASB100_REG_CHIPMAN); + + if (val1 != 0x31 || val2 != 0x06) + return -ENODEV; strlcpy(info->type, "asb100", I2C_NAME_SIZE); diff --git a/drivers/hwmon/dme1737.c b/drivers/hwmon/dme1737.c index 27d62574284f..4377bb0cc526 100644 --- a/drivers/hwmon/dme1737.c +++ b/drivers/hwmon/dme1737.c @@ -2220,33 +2220,23 @@ static int dme1737_i2c_detect(struct i2c_client *client, int kind, return -ENODEV; } - /* A negative kind means that the driver was loaded with no force - * parameter (default), so we must identify the chip. */ - if (kind < 0) { - company = i2c_smbus_read_byte_data(client, DME1737_REG_COMPANY); - verstep = i2c_smbus_read_byte_data(client, DME1737_REG_VERSTEP); - - if (company == DME1737_COMPANY_SMSC && - (verstep & DME1737_VERSTEP_MASK) == DME1737_VERSTEP) { - kind = dme1737; - } else if (company == DME1737_COMPANY_SMSC && - verstep == SCH5027_VERSTEP) { - kind = sch5027; - } else { - return -ENODEV; - } - } + company = i2c_smbus_read_byte_data(client, DME1737_REG_COMPANY); + verstep = i2c_smbus_read_byte_data(client, DME1737_REG_VERSTEP); - if (kind == sch5027) { + if (company == DME1737_COMPANY_SMSC && + verstep == SCH5027_VERSTEP) { name = "sch5027"; - } else { - kind = dme1737; + + } else if (company == DME1737_COMPANY_SMSC && + (verstep & DME1737_VERSTEP_MASK) == DME1737_VERSTEP) { name = "dme1737"; + } else { + return -ENODEV; } dev_info(dev, "Found a %s chip at 0x%02x (rev 0x%02x).\n", - kind == sch5027 ? "SCH5027" : "DME1737", client->addr, - verstep); + verstep == SCH5027_VERSTEP ? "SCH5027" : "DME1737", + client->addr, verstep); strlcpy(info->type, name, I2C_NAME_SIZE); return 0; diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c index 53f88f511816..2a4c6a05b14f 100644 --- a/drivers/hwmon/ds1621.c +++ b/drivers/hwmon/ds1621.c @@ -237,20 +237,16 @@ static int ds1621_detect(struct i2c_client *client, int kind, return -ENODEV; /* Now, we do the remaining detection. It is lousy. */ - if (kind < 0) { - /* The NVB bit should be low if no EEPROM write has been - requested during the latest 10ms, which is highly - improbable in our case. */ - conf = i2c_smbus_read_byte_data(client, DS1621_REG_CONF); - if (conf < 0 || conf & DS1621_REG_CONFIG_NVB) + /* The NVB bit should be low if no EEPROM write has been requested + during the latest 10ms, which is highly improbable in our case. */ + conf = i2c_smbus_read_byte_data(client, DS1621_REG_CONF); + if (conf < 0 || conf & DS1621_REG_CONFIG_NVB) + return -ENODEV; + /* The 7 lowest bits of a temperature should always be 0. */ + for (i = 0; i < ARRAY_SIZE(DS1621_REG_TEMP); i++) { + temp = i2c_smbus_read_word_data(client, DS1621_REG_TEMP[i]); + if (temp < 0 || (temp & 0x7f00)) return -ENODEV; - /* The 7 lowest bits of a temperature should always be 0. */ - for (i = 0; i < ARRAY_SIZE(DS1621_REG_TEMP); i++) { - temp = i2c_smbus_read_word_data(client, - DS1621_REG_TEMP[i]); - if (temp < 0 || (temp & 0x7f00)) - return -ENODEV; - } } strlcpy(info->type, "ds1621", I2C_NAME_SIZE); diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c index e2107e533ede..40dfbcd3f3f2 100644 --- a/drivers/hwmon/f75375s.c +++ b/drivers/hwmon/f75375s.c @@ -681,30 +681,20 @@ static int f75375_detect(struct i2c_client *client, int kind, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; - u8 version = 0; - const char *name = ""; - - if (kind < 0) { - u16 vendid = f75375_read16(client, F75375_REG_VENDOR); - u16 chipid = f75375_read16(client, F75375_CHIP_ID); - version = f75375_read8(client, F75375_REG_VERSION); - if (chipid == 0x0306 && vendid == 0x1934) { - kind = f75375; - } else if (chipid == 0x0204 && vendid == 0x1934) { - kind = f75373; - } else { - dev_err(&adapter->dev, - "failed,%02X,%02X,%02X\n", - chipid, version, vendid); - return -ENODEV; - } - } + u16 vendid, chipid; + u8 version; + const char *name; - if (kind == f75375) { + vendid = f75375_read16(client, F75375_REG_VENDOR); + chipid = f75375_read16(client, F75375_CHIP_ID); + if (chipid == 0x0306 && vendid == 0x1934) name = "f75375"; - } else if (kind == f75373) { + else if (chipid == 0x0204 && vendid == 0x1934) name = "f75373"; - } + else + return -ENODEV; + + version = f75375_read8(client, F75375_REG_VERSION); dev_info(&adapter->dev, "found %s version: %02X\n", name, version); strlcpy(info->type, name, I2C_NAME_SIZE); diff --git a/drivers/hwmon/fschmd.c b/drivers/hwmon/fschmd.c index da1b1f9488af..281829cd1533 100644 --- a/drivers/hwmon/fschmd.c +++ b/drivers/hwmon/fschmd.c @@ -1000,43 +1000,38 @@ static void fschmd_dmi_decode(const struct dmi_header *header, void *dummy) } } -static int fschmd_detect(struct i2c_client *client, int kind, +static int fschmd_detect(struct i2c_client *client, int _kind, struct i2c_board_info *info) { + enum chips kind; struct i2c_adapter *adapter = client->adapter; + char id[4]; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; /* Detect & Identify the chip */ - if (kind <= 0) { - char id[4]; - - id[0] = i2c_smbus_read_byte_data(client, - FSCHMD_REG_IDENT_0); - id[1] = i2c_smbus_read_byte_data(client, - FSCHMD_REG_IDENT_1); - id[2] = i2c_smbus_read_byte_data(client, - FSCHMD_REG_IDENT_2); - id[3] = '\0'; - - if (!strcmp(id, "PEG")) - kind = fscpos; - else if (!strcmp(id, "HER")) - kind = fscher; - else if (!strcmp(id, "SCY")) - kind = fscscy; - else if (!strcmp(id, "HRC")) - kind = fschrc; - else if (!strcmp(id, "HMD")) - kind = fschmd; - else if (!strcmp(id, "HDS")) - kind = fschds; - else if (!strcmp(id, "SYL")) - kind = fscsyl; - else - return -ENODEV; - } + id[0] = i2c_smbus_read_byte_data(client, FSCHMD_REG_IDENT_0); + id[1] = i2c_smbus_read_byte_data(client, FSCHMD_REG_IDENT_1); + id[2] = i2c_smbus_read_byte_data(client, FSCHMD_REG_IDENT_2); + id[3] = '\0'; + + if (!strcmp(id, "PEG")) + kind = fscpos; + else if (!strcmp(id, "HER")) + kind = fscher; + else if (!strcmp(id, "SCY")) + kind = fscscy; + else if (!strcmp(id, "HRC")) + kind = fschrc; + else if (!strcmp(id, "HMD")) + kind = fschmd; + else if (!strcmp(id, "HDS")) + kind = fschds; + else if (!strcmp(id, "SYL")) + kind = fscsyl; + else + return -ENODEV; strlcpy(info->type, fschmd_id[kind - 1].name, I2C_NAME_SIZE); diff --git a/drivers/hwmon/gl518sm.c b/drivers/hwmon/gl518sm.c index 7820df45d77a..1d69458aa0b6 100644 --- a/drivers/hwmon/gl518sm.c +++ b/drivers/hwmon/gl518sm.c @@ -488,36 +488,21 @@ static int gl518_detect(struct i2c_client *client, int kind, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; - int i; + int rev; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA)) return -ENODEV; /* Now, we do the remaining detection. */ - - if (kind < 0) { - if ((gl518_read_value(client, GL518_REG_CHIP_ID) != 0x80) - || (gl518_read_value(client, GL518_REG_CONF) & 0x80)) - return -ENODEV; - } + if ((gl518_read_value(client, GL518_REG_CHIP_ID) != 0x80) + || (gl518_read_value(client, GL518_REG_CONF) & 0x80)) + return -ENODEV; /* Determine the chip type. */ - if (kind <= 0) { - i = gl518_read_value(client, GL518_REG_REVISION); - if (i == 0x00) { - kind = gl518sm_r00; - } else if (i == 0x80) { - kind = gl518sm_r80; - } else { - if (kind <= 0) - dev_info(&adapter->dev, - "Ignoring 'force' parameter for unknown " - "chip at adapter %d, address 0x%02x\n", - i2c_adapter_id(adapter), client->addr); - return -ENODEV; - } - } + rev = gl518_read_value(client, GL518_REG_REVISION); + if (rev != 0x00 && rev != 0x80) + return -ENODEV; strlcpy(info->type, "gl518sm", I2C_NAME_SIZE); diff --git a/drivers/hwmon/gl520sm.c b/drivers/hwmon/gl520sm.c index 19616f2242b0..92b5720ceaff 100644 --- a/drivers/hwmon/gl520sm.c +++ b/drivers/hwmon/gl520sm.c @@ -691,13 +691,11 @@ static int gl520_detect(struct i2c_client *client, int kind, return -ENODEV; /* Determine the chip type. */ - if (kind < 0) { - if ((gl520_read_value(client, GL520_REG_CHIP_ID) != 0x20) || - ((gl520_read_value(client, GL520_REG_REVISION) & 0x7f) != 0x00) || - ((gl520_read_value(client, GL520_REG_CONF) & 0x80) != 0x00)) { - dev_dbg(&client->dev, "Unknown chip type, skipping\n"); - return -ENODEV; - } + if ((gl520_read_value(client, GL520_REG_CHIP_ID) != 0x20) || + ((gl520_read_value(client, GL520_REG_REVISION) & 0x7f) != 0x00) || + ((gl520_read_value(client, GL520_REG_CONF) & 0x80) != 0x00)) { + dev_dbg(&client->dev, "Unknown chip type, skipping\n"); + return -ENODEV; } strlcpy(info->type, "gl520sm", I2C_NAME_SIZE); diff --git a/drivers/hwmon/lm63.c b/drivers/hwmon/lm63.c index 3195a265f0e9..5da66ab04f74 100644 --- a/drivers/hwmon/lm63.c +++ b/drivers/hwmon/lm63.c @@ -427,40 +427,34 @@ static int lm63_detect(struct i2c_client *new_client, int kind, struct i2c_board_info *info) { struct i2c_adapter *adapter = new_client->adapter; + u8 man_id, chip_id, reg_config1, reg_config2; + u8 reg_alert_status, reg_alert_mask; |