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authorJean Delvare <khali@linux-fr.org>2009-12-09 14:35:57 -0500
committerJean Delvare <khali@linux-fr.org>2009-12-09 14:35:57 -0500
commit52df6440a29123eed912183fe785bbe174ef14b9 (patch)
tree3a3b9f4110d21c2ec4f5711444dd9cec6fb3d32c /drivers
parenta1fa4cdcc4abd4c02a81ab7052c16a342d29f060 (diff)
hwmon: Clean up detect functions
As kind is now hard-coded to -1, there is room for code clean-ups. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Corentin Labbe <corentin.labbe@geomatys.fr> Cc: "Mark M. Hoffman" <mhoffman@lightlink.com> Cc: Juerg Haefliger <juergh@gmail.com> Cc: Riku Voipio <riku.voipio@iki.fi> Acked-by: "Hans J. Koch" <hjk@linutronix.de> Cc: Rudolf Marek <r.marek@assembler.cz>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/hwmon/adm1026.c47
-rw-r--r--drivers/hwmon/adm1029.c55
-rw-r--r--drivers/hwmon/adm1031.c26
-rw-r--r--drivers/hwmon/adm9240.c61
-rw-r--r--drivers/hwmon/ads7828.c22
-rw-r--r--drivers/hwmon/adt7462.c25
-rw-r--r--drivers/hwmon/adt7470.c25
-rw-r--r--drivers/hwmon/adt7473.c25
-rw-r--r--drivers/hwmon/adt7475.c14
-rw-r--r--drivers/hwmon/asb100.c55
-rw-r--r--drivers/hwmon/dme1737.c32
-rw-r--r--drivers/hwmon/ds1621.c22
-rw-r--r--drivers/hwmon/f75375s.c32
-rw-r--r--drivers/hwmon/fschmd.c53
-rw-r--r--drivers/hwmon/gl518sm.c29
-rw-r--r--drivers/hwmon/gl520sm.c12
-rw-r--r--drivers/hwmon/lm63.c54
-rw-r--r--drivers/hwmon/lm75.c56
-rw-r--r--drivers/hwmon/lm78.c58
-rw-r--r--drivers/hwmon/lm87.c41
-rw-r--r--drivers/hwmon/lm92.c31
-rw-r--r--drivers/hwmon/lm93.c32
-rw-r--r--drivers/hwmon/lm95241.c48
-rw-r--r--drivers/hwmon/max1619.c64
-rw-r--r--drivers/hwmon/max6650.c20
-rw-r--r--drivers/hwmon/smsc47m192.c28
-rw-r--r--drivers/hwmon/thmc50.c31
-rw-r--r--drivers/hwmon/w83793.c53
-rw-r--r--drivers/hwmon/w83l786ng.c56
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,
1672 i2c_adapter_id(client->adapter), client->addr, 1672 i2c_adapter_id(client->adapter), client->addr,
1673 company, verstep); 1673 company, verstep);
1674 1674
1675 /* If auto-detecting, Determine the chip type. */ 1675 /* Determine the chip type. */
1676 if (kind <= 0) { 1676 dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x...\n",
1677 dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x " 1677 i2c_adapter_id(adapter), address);
1678 "...\n", i2c_adapter_id(adapter), address); 1678 if (company == ADM1026_COMPANY_ANALOG_DEV
1679 if (company == ADM1026_COMPANY_ANALOG_DEV 1679 && verstep == ADM1026_VERSTEP_ADM1026) {
1680 && verstep == ADM1026_VERSTEP_ADM1026) { 1680 /* Analog Devices ADM1026 */
1681 kind = adm1026; 1681 } else if (company == ADM1026_COMPANY_ANALOG_DEV
1682 } else if (company == ADM1026_COMPANY_ANALOG_DEV 1682 && (verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
1683 && (verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) { 1683 dev_err(&adapter->dev, "Unrecognized stepping "
1684 dev_err(&adapter->dev, "Unrecognized stepping " 1684 "0x%02x. Defaulting to ADM1026.\n", verstep);
1685 "0x%02x. Defaulting to ADM1026.\n", verstep); 1685 } else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
1686 kind = adm1026; 1686 dev_err(&adapter->dev, "Found version/stepping "
1687 } else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) { 1687 "0x%02x. Assuming generic ADM1026.\n",
1688 dev_err(&adapter->dev, "Found version/stepping " 1688 verstep);
1689 "0x%02x. Assuming generic ADM1026.\n", 1689 } else {
1690 verstep); 1690 dev_dbg(&adapter->dev, "Autodetection failed\n");
1691 kind = any_chip; 1691 /* Not an ADM1026... */
1692 } else { 1692 return -ENODEV;
1693 dev_dbg(&adapter->dev, "Autodetection failed\n");
1694 /* Not an ADM1026 ... */
1695 if (kind == 0) { /* User used force=x,y */
1696 dev_err(&adapter->dev, "Generic ADM1026 not "
1697 "found at %d,0x%02x. Try "
1698 "force_adm1026.\n",
1699 i2c_adapter_id(adapter), address);
1700 }
1701 return -ENODEV;
1702 }
1703 } 1693 }
1694
1704 strlcpy(info->type, "adm1026", I2C_NAME_SIZE); 1695 strlcpy(info->type, "adm1026", I2C_NAME_SIZE);
1705 1696
1706 return 0; 1697 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,
301 struct i2c_board_info *info) 301 struct i2c_board_info *info)
302{ 302{
303 struct i2c_adapter *adapter = client->adapter; 303 struct i2c_adapter *adapter = client->adapter;
304 u8 man_id, chip_id, temp_devices_installed, nb_fan_support;
304 305
305 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 306 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
306 return -ENODEV; 307 return -ENODEV;
307 308
308 /* Now we do the detection and identification. A negative kind
309 * means that the driver was loaded with no force parameter
310 * (default), so we must both detect and identify the chip
311 * (actually there is only one possible kind of chip for now, adm1029).
312 * A zero kind means that the driver was loaded with the force
313 * parameter, the detection step shall be skipped. A positive kind
314 * means that the driver was loaded with the force parameter and a
315 * given kind of chip is requested, so both the detection and the
316 * identification steps are skipped. */
317
318 /* Default to an adm1029 if forced */
319 if (kind == 0)
320 kind = adm1029;
321
322 /* ADM1029 doesn't have CHIP ID, check just MAN ID 309 /* ADM1029 doesn't have CHIP ID, check just MAN ID
323 * For better detection we check also ADM1029_TEMP_DEVICES_INSTALLED, 310 * For better detection we check also ADM1029_TEMP_DEVICES_INSTALLED,
324 * ADM1029_REG_NB_FAN_SUPPORT and compare it with possible values 311 * ADM1029_REG_NB_FAN_SUPPORT and compare it with possible values
325 * documented 312 * documented
326 */ 313 */
327 314
328 if (kind <= 0) { /* identification */ 315 man_id = i2c_smbus_read_byte_data(client, ADM1029_REG_MAN_ID);
329 u8 man_id, chip_id, temp_devices_installed, nb_fan_support; 316 chip_id = i2c_smbus_read_byte_data(client, ADM1029_REG_CHIP_ID);
330 317 temp_devices_installed = i2c_smbus_read_byte_data(client,
331 man_id = i2c_smbus_read_byte_data(client, ADM1029_REG_MAN_ID);
332 chip_id = i2c_smbus_read_byte_data(client, ADM1029_REG_CHIP_ID);
333 temp_devices_installed = i2c_smbus_read_byte_data(client,
334 ADM1029_REG_TEMP_DEVICES_INSTALLED); 318 ADM1029_REG_TEMP_DEVICES_INSTALLED);
335 nb_fan_support = i2c_smbus_read_byte_data(client, 319 nb_fan_support = i2c_smbus_read_byte_data(client,
336 ADM1029_REG_NB_FAN_SUPPORT); 320 ADM1029_REG_NB_FAN_SUPPORT);
337 /* 0x41 is Analog Devices */ 321 /* 0x41 is Analog Devices */
338 if (man_id == 0x41 && (temp_devices_installed & 0xf9) == 0x01 322 if (man_id != 0x41 || (temp_devices_installed & 0xf9) != 0x01
339 && nb_fan_support == 0x03) { 323 || nb_fan_support != 0x03)
340 if ((chip_id & 0xF0) == 0x00) { 324 return -ENODEV;
341 kind = adm1029;
342 } else {
343 /* There are no "official" CHIP ID, so actually
344 * we use Major/Minor revision for that */
345 printk(KERN_INFO
346 "adm1029: Unknown major revision %x, "
347 "please let us know\n", chip_id);
348 }
349 }
350 325
351 if (kind <= 0) { /* identification failed */ 326 if ((chip_id & 0xF0) != 0x00) {
352 pr_debug("adm1029: Unsupported chip (man_id=0x%02X, " 327 /* There are no "official" CHIP ID, so actually
353 "chip_id=0x%02X)\n", man_id, chip_id); 328 * we use Major/Minor revision for that */
354 return -ENODEV; 329 pr_info("adm1029: Unknown major revision %x, "
355 } 330 "please let us know\n", chip_id);
331 return -ENODEV;
356 } 332 }
333
357 strlcpy(info->type, "adm1029", I2C_NAME_SIZE); 334 strlcpy(info->type, "adm1029", I2C_NAME_SIZE);
358 335
359 return 0; 336 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,
817 struct i2c_board_info *info) 817 struct i2c_board_info *info)
818{ 818{
819 struct i2c_adapter *adapter = client->adapter; 819 struct i2c_adapter *adapter = client->adapter;
820 const char *name = ""; 820 const char *name;
821 int id, co;
821 822
822 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 823 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
823 return -ENODEV; 824 return -ENODEV;
824 825
825 if (kind < 0) { 826 id = i2c_smbus_read_byte_data(client, 0x3d);
826 int id, co; 827 co = i2c_smbus_read_byte_data(client, 0x3e);
827 id = i2c_smbus_read_byte_data(client, 0x3d);
828 co = i2c_smbus_read_byte_data(client, 0x3e);
829 828
830 if (!((id == 0x31 || id == 0x30) && co == 0x41)) 829 if (!((id == 0x31 || id == 0x30) && co == 0x41))
831 return -ENODEV; 830 return -ENODEV;
832 kind = (id == 0x30) ? adm1030 : adm1031; 831 name = (id == 0x30) ? "adm1030" : "adm1031";
833 }
834
835 if (kind <= 0)
836 kind = adm1031;
837 832
838 /* Given the detected chip type, set the chip name and the
839 * auto fan control helper table. */
840 if (kind == adm1030) {
841 name = "adm1030";
842 } else if (kind == adm1031) {
843 name = "adm1031";
844 }
845 strlcpy(info->type, name, I2C_NAME_SIZE); 833 strlcpy(info->type, name, I2C_NAME_SIZE);
846 834
847 return 0; 835 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,
556 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 556 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
557 return -ENODEV; 557 return -ENODEV;
558 558
559 if (kind == 0) { 559 /* verify chip: reg address should match i2c address */
560 kind = adm9240; 560 if (i2c_smbus_read_byte_data(new_client, ADM9240_REG_I2C_ADDR)
561 } 561 != address) {
562 562 dev_err(&adapter->dev, "detect fail: address match, 0x%02x\n",
563 if (kind < 0) { 563 address);
564 564 return -ENODEV;
565 /* verify chip: reg address should match i2c address */
566 if (i2c_smbus_read_byte_data(new_client, ADM9240_REG_I2C_ADDR)
567 != address) {
568 dev_err(&adapter->dev, "detect fail: address match, "
569 "0x%02x\n", address);
570 return -ENODEV;
571 }
572
573 /* check known chip manufacturer */
574 man_id = i2c_smbus_read_byte_data(new_client,
575 ADM9240_REG_MAN_ID);
576 if (man_id == 0x23) {
577 kind = adm9240;
578 } else if (man_id == 0xda) {
579 kind = ds1780;
580 } else if (man_id == 0x01) {
581 kind = lm81;
582 } else {
583 dev_err(&adapter->dev, "detect fail: unknown manuf, "
584 "0x%02x\n", man_id);
585 return -ENODEV;
586 }
587
588 /* successful detect, print chip info */
589 die_rev = i2c_smbus_read_byte_data(new_client,
590 ADM9240_REG_DIE_REV);
591 dev_info(&adapter->dev, "found %s revision %u\n",
592 man_id == 0x23 ? "ADM9240" :
593 man_id == 0xda ? "DS1780" : "LM81", die_rev);
594 } 565 }
595 566
596 /* either forced or detected chip kind */ 567 /* check known chip manufacturer */
597 if (kind == adm9240) { 568 man_id = i2c_smbus_read_byte_data(new_client, ADM9240_REG_MAN_ID);
569 if (man_id == 0x23) {
598 name = "adm9240"; 570 name = "adm9240";
599 } else if (kind == ds1780) { 571 } else if (man_id == 0xda) {
600 name = "ds1780"; 572 name = "ds1780";
601 } else if (kind == lm81) { 573 } else if (man_id == 0x01) {
602 name = "lm81"; 574 name = "lm81";
575 } else {
576 dev_err(&adapter->dev, "detect fail: unknown manuf, 0x%02x\n",
577 man_id);
578 return -ENODEV;
603 } 579 }
580
581 /* successful detect, print chip info */
582 die_rev = i2c_smbus_read_byte_data(new_client, ADM9240_REG_DIE_REV);
583 dev_info(&adapter->dev, "found %s revision %u\n",
584 man_id == 0x23 ? "ADM9240" :
585 man_id == 0xda ? "DS1780" : "LM81", die_rev);
586
604 strlcpy(info->type, name, I2C_NAME_SIZE); 587 strlcpy(info->type, name, I2C_NAME_SIZE);
605 588
606 return 0; 589 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,
191 struct i2c_board_info *info) 191 struct i2c_board_info *info)
192{ 192{
193 struct i2c_adapter *adapter = client->adapter; 193 struct i2c_adapter *adapter = client->adapter;
194 int ch;
194 195
195 /* Check we have a valid client */ 196 /* Check we have a valid client */
196 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_READ_WORD_DATA)) 197 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,
202 - Read from the 8 channel addresses 203 - Read from the 8 channel addresses
203 - Check the top 4 bits of each result are not set (12 data bits) 204 - Check the top 4 bits of each result are not set (12 data bits)
204 */ 205 */
205 if (kind < 0) { 206 for (ch = 0; ch < ADS7828_NCH; ch++) {
206 int ch; 207 u16 in_data;
207 for (ch = 0; ch < ADS7828_NCH; ch++) { 208 u8 cmd = channel_cmd_byte(ch);
208 u16 in_data; 209 in_data = ads7828_read_value(client, cmd);
209 u8 cmd = channel_cmd_byte(ch); 210 if (in_data & 0xF000) {
210 in_data = ads7828_read_value(client, cmd); 211 pr_debug("%s : Doesn't look like an ads7828 device\n",
211 if (in_data & 0xF000) { 212 __func__);
212 printk(KERN_DEBUG 213 return -ENODEV;
213 "%s : Doesn't look like an ads7828 device\n",
214 __func__);
215 return -ENODEV;
216 }
217 } 214 }
218 } 215 }
216
219 strlcpy(info->type, "ads7828", I2C_NAME_SIZE); 217 strlcpy(info->type, "ads7828", I2C_NAME_SIZE);
220 218
221 return 0; 219 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,
1906 struct i2c_board_info *info) 1906 struct i2c_board_info *info)
1907{ 1907{
1908 struct i2c_adapter *adapter = client->adapter; 1908 struct i2c_adapter *adapter = client->adapter;
1909 int vendor, device, revision;
1909 1910
1910 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 1911 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
1911 return -ENODEV; 1912 return -ENODEV;
1912 1913
1913 if (kind <= 0) { 1914 vendor = i2c_smbus_read_byte_data(client, ADT7462_REG_VENDOR);
1914 int vendor, device, revision; 1915 if (vendor != ADT7462_VENDOR)
1915 1916 return -ENODEV;
1916 vendor = i2c_smbus_read_byte_data(client, ADT7462_REG_VENDOR);
1917 if (vendor != ADT7462_VENDOR)
1918 return -ENODEV;
1919 1917
1920 device = i2c_smbus_read_byte_data(client, ADT7462_REG_DEVICE); 1918 device = i2c_smbus_read_byte_data(client, ADT7462_REG_DEVICE);
1921 if (device != ADT7462_DEVICE) 1919 if (device != ADT7462_DEVICE)
1922 return -ENODEV; 1920 return -ENODEV;
1923 1921
1924 revision = i2c_smbus_read_byte_data(client, 1922 revision = i2c_smbus_read_byte_data(client, ADT7462_REG_REVISION);
1925 ADT7462_REG_REVISION); 1923 if (revision != ADT7462_REVISION)
1926 if (revision != ADT7462_REVISION) 1924 return -ENODEV;
1927 return -ENODEV;
1928 } else
1929 dev_dbg(&adapter->dev, "detection forced\n");
1930 1925
1931 strlcpy(info->type, "adt7462", I2C_NAME_SIZE); 1926 strlcpy(info->type, "adt7462", I2C_NAME_SIZE);
1932 1927
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,
1229 struct i2c_board_info *info) 1229 struct i2c_board_info *info)
1230{ 1230{
1231 struct i2c_adapter *adapter = client->adapter; 1231 struct i2c_adapter *adapter = client->adapter;
1232 int vendor, device, revision;
1232 1233
1233 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 1234 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
1234 return -ENODEV; 1235 return -ENODEV;
1235 1236
1236 if (kind <= 0) { 1237 vendor = i2c_smbus_read_byte_data(client, ADT7470_REG_VENDOR);
1237 int vendor, device, revision; 1238 if (vendor != ADT7470_VENDOR)
1238 1239 return -ENODEV;
1239 vendor = i2c_smbus_read_byte_data(client, ADT7470_REG_VENDOR);
1240 if (vendor != ADT7470_VENDOR)
1241 return -ENODEV;
1242 1240
1243 device = i2c_smbus_read_byte_data(client, ADT7470_REG_DEVICE); 1241 device = i2c_smbus_read_byte_data(client, ADT7470_REG_DEVICE);
1244 if (device != ADT7470_DEVICE) 1242 if (device != ADT7470_DEVICE)
1245 return -ENODEV; 1243 return -ENODEV;
1246 1244
1247 revision = i2c_smbus_read_byte_data(client, 1245 revision = i2c_smbus_read_byte_data(client, ADT7470_REG_REVISION);
1248 ADT7470_REG_REVISION); 1246 if (revision != ADT7470_REVISION)
1249 if (revision != ADT7470_REVISION) 1247 return -ENODEV;
1250 return -ENODEV;
1251 } else
1252 dev_dbg(&adapter->dev, "detection forced\n");
1253 1248
1254 strlcpy(info->type, "adt7470", I2C_NAME_SIZE); 1249 strlcpy(info->type, "adt7470", I2C_NAME_SIZE);
1255 1250
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,
1090 struct i2c_board_info *info) 1090 struct i2c_board_info *info)
1091{ 1091{
1092 struct i2c_adapter *adapter = client->adapter; 1092 struct i2c_adapter *adapter = client->adapter;
1093 int vendor, device, revision;
1093 1094
1094 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 1095 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
1095 return -ENODEV; 1096 return -ENODEV;
1096 1097
1097 if (kind <= 0) { 1098 vendor = i2c_smbus_read_byte_data(client, ADT7473_REG_VENDOR);
1098 int vendor, device, revision; 1099 if (vendor != ADT7473_VENDOR)
1099 1100 return -ENODEV;
1100 vendor = i2c_smbus_read_byte_data(client, ADT7473_REG_VENDOR);
1101 if (vendor != ADT7473_VENDOR)
1102 return -ENODEV;
1103 1101
1104 device = i2c_smbus_read_byte_data(client, ADT7473_REG_DEVICE); 1102 device = i2c_smbus_read_byte_data(client, ADT7473_REG_DEVICE);
1105 if (device != ADT7473_DEVICE) 1103 if (device != ADT7473_DEVICE)
1106 return -ENODEV; 1104 return -ENODEV;
1107 1105
1108 revision = i2c_smbus_read_byte_data(client, 1106 revision = i2c_smbus_read_byte_data(client, ADT7473_REG_REVISION);
1109 ADT7473_REG_REVISION); 1107 if (revision != ADT7473_REV_68 && revision != ADT7473_REV_69)
1110 if (revision != ADT7473_REV_68 && revision != ADT7473_REV_69) 1108 return -ENODEV;
1111 return -ENODEV;
1112 } else
1113 dev_dbg(&adapter->dev, "detection forced\n");
1114 1109
1115 strlcpy(info->type, "adt7473", I2C_NAME_SIZE); 1110 strlcpy(info->type, "adt7473", I2C_NAME_SIZE);
1116 1111
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,
974 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 974 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
975 return -ENODEV; 975 return -ENODEV;
976 976
977 if (kind <= 0) { 977 if (adt7475_read(REG_VENDID) != 0x41 ||
978 if (adt7475_read(REG_VENDID) != 0x41 || 978 adt7475_read(REG_DEVID) != 0x75) {
979 adt7475_read(REG_DEVID) != 0x75) { 979 dev_err(&adapter->dev,
980 dev_err(&adapter->dev, 980 "Couldn't detect a adt7475 part at 0x%02x\n",
981 "Couldn't detect a adt7475 part at 0x%02x\n", 981 (unsigned int)client->addr);
982 (unsigned int)client->addr); 982 return -ENODEV;
983 return -ENODEV;
984 }
985 } 983 }
986 984
987 strlcpy(info->type, adt7475_id[0].name, I2C_NAME_SIZE); 985 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,
701 struct i2c_board_info *info) 701 struct i2c_board_info *info)
702{ 702{
703 struct i2c_adapter *adapter = client->adapter; 703 struct i2c_adapter *adapter = client->adapter;
704 int val1, val2;
704 705
705 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { 706 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
706 pr_debug("asb100.o: detect failed, " 707 pr_debug("asb100.o: detect failed, "
@@ -708,50 +709,30 @@ static int asb100_detect(struct i2c_client *client, int kind,
708 return -ENODEV; 709 return -ENODEV;
709 } 710 }
710 711
711 /* The chip may be stuck in some other bank than bank 0. This may 712 val1 = i2c_smbus_read_byte_data(client, ASB100_REG_BANK);
712 make reading other information impossible. Specify a force=... or 713 val2 = i2c_smbus_read_byte_data(client, ASB100_REG_CHIPMAN);
713 force_*=... parameter, and the chip will be reset to the right
714 bank. */
715 if (kind < 0) {
716
717 int val1 = i2c_smbus_read_byte_data(client, ASB100_REG_BANK);
718 int val2 = i2c_smbus_read_byte_data(client, ASB100_REG_CHIPMAN);
719
720 /* If we're in bank 0 */
721 if ((!(val1 & 0x07)) &&
722 /* Check for ASB100 ID (low byte) */
723 (((!(val1 & 0x80)) && (val2 != 0x94)) ||
724 /* Check for ASB100 ID (high byte ) */
725 ((val1 & 0x80) && (val2 != 0x06)))) {
726 pr_debug("asb100.o: detect failed, "
727 "bad chip id 0x%02x!\n", val2);
728 return -ENODEV;
729 }
730 714
731 } /* kind < 0 */ 715 /* If we're in bank 0 */
716 if ((!(val1 & 0x07)) &&
717 /* Check for ASB100 ID (low byte) */
718 (((!(val1 & 0x80)) && (val2 != 0x94)) ||
719 /* Check for ASB100 ID (high byte ) */
720 ((val1 & 0x80) && (val2 != 0x06)))) {
721 pr_debug("asb100: detect failed, bad chip id 0x%02x!\n", val2);
722 return -ENODEV;
723 }
732 724
733 /* We have either had a force parameter, or we have already detected 725 /* Put it now into bank 0 and Vendor ID High Byte */
734 Winbond. Put it now into bank 0 and Vendor ID High Byte */
735 i2c_smbus_write_byte_data(client, ASB100_REG_BANK, 726 i2c_smbus_write_byte_data(client, ASB100_REG_BANK,
736 (i2c_smbus_read_byte_data(client, ASB100_REG_BANK) & 0x78) 727 (i2c_smbus_read_byte_data(client, ASB100_REG_BANK) & 0x78)
737 | 0x80); 728 | 0x80);
738 729
739 /* Determine the chip type. */ 730 /* Determine the chip type. */
740 if (kind <= 0) { 731 val1 = i2c_smbus_read_byte_data(client, ASB100_REG_WCHIPID);
741 int val1 = i2c_smbus_read_byte_data(client, ASB100_REG_WCHIPID); 732 val2 = i2c_smbus_read_byte_data(client, ASB100_REG_CHIPMAN);
742 int val2 = i2c_smbus_read_byte_data(client, ASB100_REG_CHIPMAN); 733
743 734 if (val1 != 0x31 || val2 != 0x06)
744 if ((val1 == 0x31) && (val2 == 0x06)) 735 return -ENODEV;
745 kind = asb100;
746 else {
747 if (kind == 0)
748 dev_warn(&adapter->dev, "ignoring "
749 "'force' parameter for unknown chip "
750 "at adapter %d, address 0x%02x.\n",
751 i2c_adapter_id(adapter), client->addr);
752 return -ENODEV;
753 }
754 }
755 736
756 strlcpy(info->type, "asb100", I2C_NAME_SIZE); 737 strlcpy(info->type, "asb100", I2C_NAME_SIZE);
757 738
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,
2220 return -ENODEV; 2220 return -ENODEV;
2221 } 2221 }
2222 2222
2223 /* A negative kind means that the driver was loaded with no force 2223 company = i2c_smbus_read_byte_data(client, DME1737_REG_COMPANY);
2224 * parameter (default), so we must identify the chip. */ 2224 verstep = i2c_smbus_read_byte_data(client, DME1737_REG_VERSTEP);
2225 if (kind < 0) {
2226 company = i2c_smbus_read_byte_data(client, DME1737_REG_COMPANY);
2227 verstep = i2c_smbus_read_byte_data(client, DME1737_REG_VERSTEP);
2228
2229 if (company == DME1737_COMPANY_SMSC &&
2230 (verstep & DME1737_VERSTEP_MASK) == DME1737_VERSTEP) {
2231 kind = dme1737;
2232 } else if (company == DME1737_COMPANY_SMSC &&
2233 verstep == SCH5027_VERSTEP) {
2234 kind = sch5027;
2235 } else {
2236 return -ENODEV;
2237 }
2238 }
2239 2225
2240 if (kind == sch5027) { 2226 if (company == DME1737_COMPANY_SMSC &&
2227 verstep == SCH5027_VERSTEP) {
2241 name = "sch5027"; 2228 name = "sch5027";
2242 } else { 2229
2243 kind = dme1737; 2230 } else if (company == DME1737_COMPANY_SMSC &&
2231 (verstep & DME1737_VERSTEP_MASK) == DME1737_VERSTEP) {
2244 name = "dme1737"; 2232 name = "dme1737";
2233 } else {
2234 return -ENODEV;
2245 } 2235 }
2246 2236
2247 dev_info(dev, "Found a %s chip at 0x%02x (rev 0x%02x).\n", 2237 dev_info(dev, "Found a %s chip at 0x%02x (rev 0x%02x).\n",
2248 kind == sch5027 ? "SCH5027" : "DME1737", client->addr, 2238 verstep == SCH5027_VERSTEP ? "SCH5027" : "DME1737",
2249 verstep); 2239 client->addr, verstep);
2250 strlcpy(info->type, name, I2C_NAME_SIZE); 2240 strlcpy(info->type, name, I2C_NAME_SIZE);
2251 2241
2252 return 0; 2242 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,
237 return -ENODEV; 237 return -ENODEV;
238 238
239 /* Now, we do the remaining detection. It is lousy. */ 239 /* Now, we do the remaining detection. It is lousy. */
240 if (kind < 0) { 240 /* The NVB bit should be low if no EEPROM write has been requested
241 /* The NVB bit should be low if no EEPROM write has been 241 during the latest 10ms, which is highly improbable in our case. */
242 requested during the latest 10ms, which is highly 242 conf = i2c_smbus_read_byte_data(client, DS1621_REG_CONF);
243 improbable in our case. */ 243 if (conf < 0 || conf & DS1621_REG_CONFIG_NVB)
244 conf = i2c_smbus_read_byte_data(client, DS1621_REG_CONF); 244 return -ENODEV;
245 if (conf < 0 || conf & DS1621_REG_CONFIG_NVB) 245 /* The 7 lowest bits of a temperature should always be 0. */
246 for (i = 0; i < ARRAY_SIZE(DS1621_REG_TEMP); i++) {
247 temp = i2c_smbus_read_word_data(client, DS1621_REG_TEMP[i]);
248 if (temp < 0 || (temp & 0x7f00))
246 return -ENODEV; 249 return -ENODEV;
247 /* The 7 lowest bits of a temperature should always be 0. */
248 for (i = 0; i < ARRAY_SIZE(DS1621_REG_TEMP); i++) {
249 temp = i2c_smbus_read_word_data(client,
250 DS1621_REG_TEMP[i]);
251 if (temp < 0 || (temp & 0x7f00))
252 return -ENODEV;
253 }
254 } 250 }
255 251
256 strlcpy(info->type, "ds1621", I2C_NAME_SIZE); 252 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,
681 struct i2c_board_info *info) 681 struct i2c_board_info *info)
682{ 682{
683 struct i2c_adapter *adapter = client->adapter; 683 struct i2c_adapter *adapter = client->adapter;
684 u8 version = 0; 684 u16 vendid, chipid;
685 const char *name = ""; 685 u8 version;
686 686 const char *name;
687 if (kind < 0) {
688 u16 vendid = f75375_read16(client, F75375_REG_VENDOR);
689 u16 chipid = f75375_read16(client, F75375_CHIP_ID);
690 version = f75375_read8(client, F75375_REG_VERSION);
691 if (chipid == 0x0306 && vendid == 0x1934) {
692 kind = f75375;
693 } else if (chipid == 0x0204 && vendid == 0x1934) {
694 kind = f75373;
695 } else {
696 dev_err(&adapter->dev,
697 "failed,%02X,%02X,%02X\n",
698 chipid, version, vendid);
699 return -ENODEV;
700 }
701 }
702 687
703 if (kind == f75375) { 688 vendid = f75375_read16(client, F75375_REG_VENDOR);
689 chipid = f75375_read16(client, F75375_CHIP_ID);
690 if (chipid == 0x0306 && vendid == 0x1934)
704 name = "f75375"; 691 name = "f75375";
705 } else if (kind == f75373) { 692 else if (chipid == 0x0204 && vendid == 0x1934)
706 name = "f75373"; 693 name = "f75373";
707 } 694 else
695 return -ENODEV;
696
697 version = f75375_read8(client, F75375_REG_VERSION);
708 dev_info(&adapter->dev, "found %s version: %02X\n", name, version); 698 dev_info(&adapter->dev, "found %s version: %02X\n", name, version);
709 strlcpy(info->type, name, I2C_NAME_SIZE); 699 strlcpy(info->type, name, I2C_NAME_SIZE);
710 700
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)
1000 } 1000 }
1001} 1001}
1002 1002
1003static int fschmd_detect(struct i2c_client *client, int kind, 1003static int fschmd_detect(struct i2c_client *client, int _kind,
1004 struct i2c_board_info *info) 1004 struct i2c_board_info *info)
1005{ 1005{
1006 enum chips kind;
1006 struct i2c_adapter *adapter = client->adapter; 1007 struct i2c_adapter *adapter = client->adapter;
1008 char id[4];
1007 1009
1008 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 1010 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
1009 return -ENODEV; 1011 return -ENODEV;
1010 1012
1011 /* Detect & Identify the chip */ 1013 /* Detect & Identify the chip */
1012 if (kind <= 0) { 1014 id[0] = i2c_smbus_read_byte_data(client, FSCHMD_REG_IDENT_0);
1013 char id[4]; 1015 id[1] = i2c_smbus_read_byte_data(client, FSCHMD_REG_IDENT_1);
1014 1016 id[2] = i2c_smbus_read_byte_data(client, FSCHMD_REG_IDENT_2);
1015 id[0] = i2c_smbus_read_byte_data(client, 1017 id[3] = '\0';
1016 FSCHMD_REG_IDENT_0); 1018
1017 id[1] = i2c_smbus_read_byte_data(client, 1019 if (!strcmp(id, "PEG"))
1018 FSCHMD_REG_IDENT_1); 1020 kind = fscpos;
1019 id[2] = i2c_smbus_read_byte_data(client, 1021 else if (!strcmp(id, "HER"))
1020 FSCHMD_REG_IDENT_2); 1022 kind = fscher;
1021 id[3] = '\0'; 1023 else if (!strcmp(id, "SCY"))
1022 1024 kind = fscscy;
1023 if (!strcmp(id, "PEG")) 1025 else if (!strcmp(id, "HRC"))
1024 kind = fscpos; 1026 kind = fschrc;
1025 else if (!strcmp(id, "HER")) 1027 else if (!strcmp(id, "HMD"))
1026 kind = fscher; 1028 kind = fschmd;
1027 else if (!strcmp(id, "SCY")) 1029 else if (!strcmp(id, "HDS"))
1028 kind = fscscy; 1030 kind = fschds;
1029 else if (!strcmp(id, "HRC")) 1031 else if (!strcmp(id, "SYL"))
1030 kind = fschrc; 1032 kind = fscsyl;
1031 else if (!strcmp(id, "HMD")) 1033 else
1032 kind = fschmd; 1034 return -ENODEV;
1033 else if (!strcmp(id, "HDS"))
1034 kind = fschds;
1035 else if (!strcmp(id, "SYL"))
1036 kind = fscsyl;
1037 else
1038 return -ENODEV;
1039 }
1040 1035
1041 strlcpy(info->type, fschmd_id[kind - 1].name, I2C_NAME_SIZE); 1036 strlcpy(info->type, fschmd_id[kind - 1].name, I2C_NAME_SIZE);
1042 1037
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,
488 struct i2c_board_info *info) 488 struct i2c_board_info *info)
489{ 489{
490 struct i2c_adapter *adapter = client->adapter; 490 struct i2c_adapter *adapter = client->adapter;
491 int i; 491 int rev;
492 492
493 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA | 493 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA |
494 I2C_FUNC_SMBUS_WORD_DATA)) 494 I2C_FUNC_SMBUS_WORD_DATA))
495 return -ENODEV; 495 return -ENODEV;
496 496
497 /* Now, we do the remaining detection. */ 497 /* Now, we do the remaining detection. */
498 498 if ((gl518_read_value(client, GL518_REG_CHIP_ID) != 0x80)
499 if (kind < 0) { 499 || (gl518_read_value(client, GL518_REG_CONF) & 0x80))
500 if ((gl518_read_value(client, GL518_REG_CHIP_ID) != 0x80) 500 return -ENODEV;
501 || (gl518_read_value(client, GL518_REG_CONF) & 0x80))
502 return -ENODEV;
503 }
504 501
505 /* Determine the chip type. */ 502 /* Determine the chip type. */
506 if (kind <= 0) { 503 rev = gl518_read_value(client, GL518_REG_REVISION);
507 i = gl518_read_value(client, GL518_REG_REVISION); 504 if (rev != 0x00 && rev != 0x80)
508 if (i == 0x00) { 505 return -ENODEV;
509 kind = gl518sm_r00;
510 } else if (i == 0x80) {
511 kind = gl518sm_r80;
512 } else {
513 if (kind <= 0)
514 dev_info(&adapter->dev,
515 "Ignoring 'force' parameter for unknown "
516 "chip at adapter %d, address 0x%02x\n",
517 i2c_adapter_id(adapter), client->addr);
518 return -ENODEV;
519 }
520 }
521 506
522 strlcpy(info->type, "gl518sm", I2C_NAME_SIZE); 507 strlcpy(info->type, "gl518sm", I2C_NAME_SIZE);
523 508
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,
691 return -ENODEV; 691 return -ENODEV;
692 692
693 /* Determine the chip type. */ 693 /* Determine the chip type. */
694 if (kind < 0) { 694 if ((gl520_read_value(client, GL520_REG_CHIP_ID) != 0x20) ||
695 if ((gl520_read_value(client, GL520_REG_CHIP_ID) != 0x20) || 695 ((gl520_read_value(client, GL520_REG_REVISION) & 0x7f) != 0x00) ||
696 ((gl520_read_value(client, GL520_REG_REVISION) & 0x7f) != 0x00) || 696 ((gl520_read_value(client, GL520_REG_CONF) & 0x80) != 0x00)) {
697 ((gl520_read_value(client, GL520_REG_CONF) & 0x80) != 0x00)) { 697 dev_dbg(&client->dev, "Unknown chip type, skipping\n");
698 dev_dbg(&client->dev, "Unknown chip type, skipping\n"); 698 return -ENODEV;
699 return -ENODEV;
700 }
701 } 699 }
702 700
703 strlcpy(info->type, "gl520sm", I2C_NAME_SIZE); 701 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,
427 struct i2c_board_info *info) 427 struct i2c_board_info *info)
428{ 428{
429 struct i2c_adapter *adapter = new_client->adapter; 429 struct i2c_adapter *adapter = new_client->adapter;
430 u8 man_id, chip_id, reg_config1, reg_config2;
431 u8 reg_alert_status, reg_alert_mask;
430 432
431 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 433 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
432 return -ENODEV; 434 return -ENODEV;
433 435
434 if (kind < 0) { /* must identify */ 436 man_id = i2c_smbus_read_byte_data(new_client, LM63_REG_MAN_ID);
435 u8 man_id, chip_id, reg_config1, reg_config2; 437 chip_id = i2c_smbus_read_byte_data(new_client, LM63_REG_CHIP_ID);
436 u8 reg_alert_status, reg_alert_mask; 438
437 439 reg_config1 = i2c_smbus_read_byte_data(new_client,
438 man_id = i2c_smbus_read_byte_data(new_client, 440 LM63_REG_CONFIG1);
439 LM63_REG_MAN_ID); 441 reg_config2 = i2c_smbus_read_byte_data(new_client,
440 chip_id = i2c_smbus_read_byte_data(new_client, 442 LM63_REG_CONFIG2);
441 LM63_REG_CHIP_ID); 443 reg_alert_status = i2c_smbus_read_byte_data(new_client,
442 reg_config1 = i2c_smbus_read_byte_data(new_client, 444 LM63_REG_ALERT_STATUS);
443 LM63_REG_CONFIG1); 445 reg_alert_mask = i2c_smbus_read_byte_data(new_client,
444 reg_config2 = i2c_smbus_read_byte_data(new_client, 446 LM63_REG_ALERT_MASK);
445 LM63_REG_CONFIG2); 447
446 reg_alert_status = i2c_smbus_read_byte_data(new_client, 448 if (man_id != 0x01 /* National Semiconductor */
447 LM63_REG_ALERT_STATUS); 449 || chip_id != 0x41 /* LM63 */
448 reg_alert_mask = i2c_smbus_read_byte_data(new_client, 450 || (reg_config1 & 0x18) != 0x00
449 LM63_REG_ALERT_MASK); 451 || (reg_config2 & 0xF8) != 0x00
450 452 || (reg_alert_status & 0x20) != 0x00
451 if (man_id == 0x01 /* National Semiconductor */ 453 || (reg_alert_mask & 0xA4) != 0xA4) {
452 && chip_id == 0x41 /* LM63 */ 454 dev_dbg(&adapter->dev,
453 && (reg_config1 & 0x18) == 0x00 455 "Unsupported chip (man_id=0x%02X, chip_id=0x%02X)\n",
454 && (reg_config2 & 0xF8) == 0x00 456 man_id, chip_id);
455 && (reg_alert_status & 0x20) == 0x00 457 return -ENODEV;
456 && (reg_alert_mask & 0xA4) == 0xA4) {
457 kind = lm63;
458 } else { /* failed */
459 dev_dbg(&adapter->dev, "Unsupported chip "
460 "(man_id=0x%02X, chip_id=0x%02X).\n",
461 man_id, chip_id);
462 return -ENODEV;
463 }
464 } 458 }
465 459
466 strlcpy(info->type, "lm63", I2C_NAME_SIZE); 460 strlcpy(info->type, "lm63", I2C_NAME_SIZE);
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index 55bd87c15c9a..e392548cccb8 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -239,6 +239,7 @@ static int lm75_detect(struct i2c_client *new_client, int kind,
239{ 239{
240 struct i2c_adapter *adapter = new_client->adapter; 240 struct i2c_adapter *adapter = new_client->adapter;
241 int i; 241 int i;
242 int cur, conf, hyst, os;
242 243
243 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA | 244 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA |
244 I2C_FUNC_SMBUS_WORD_DATA)) 245 I2C_FUNC_SMBUS_WORD_DATA))
@@ -251,40 +252,35 @@ static int lm75_detect(struct i2c_client *new_client, int kind,
251 The cycling+unused addresses combination is not tested, 252 The cycling+unused addresses combination is not tested,
252 since it would significantly slow the detection down and would 253 since it would significantly slow the detection down and would
253 hardly add any value. */ 254 hardly add any value. */
254 if (kind < 0) {
255 int cur, conf, hyst, os;
256
257 /* Unused addresses */
258 cur = i2c_smbus_read_word_data(new_client, 0);
259 conf = i2c_smbus_read_byte_data(new_client, 1);
260 hyst = i2c_smbus_read_word_data(new_client, 2);
261 if (i2c_smbus_read_word_data(new_client, 4) != hyst
262 || i2c_smbus_read_word_data(new_client, 5) != hyst
263 || i2c_smbus_read_word_data(new_client, 6) != hyst
264 || i2c_smbus_read_word_data(new_client, 7) != hyst)
265 return -ENODEV;
266 os = i2c_smbus_read_word_data(new_client, 3);
267 if (i2c_smbus_read_word_data(new_client, 4) != os
268 || i2c_smbus_read_word_data(new_client, 5) != os
269 || i2c_smbus_read_word_data(new_client, 6) != os
270 || i2c_smbus_read_word_data(new_client, 7) != os)
271 return -ENODEV;
272 255
273 /* Unused bits */ 256 /* Unused addresses */
274 if (conf & 0xe0) 257 cur = i2c_smbus_read_word_data(new_client, 0);
275 return -ENODEV; 258 conf = i2c_smbus_read_byte_data(new_client, 1);
259 hyst = i2c_smbus_read_word_data(new_client, 2);
260 if (i2c_smbus_read_word_data(new_client, 4) != hyst
261 || i2c_smbus_read_word_data(new_client, 5) != hyst
262 || i2c_smbus_read_word_data(new_client, 6) != hyst
263 || i2c_smbus_read_word_data(new_client, 7) != hyst)
264 return -ENODEV;
265 os = i2c_smbus_read_word_data(new_client, 3);
266 if (i2c_smbus_read_word_data(new_client, 4) != os
267 || i2c_smbus_read_word_data(new_client, 5) != os
268 || i2c_smbus_read_word_data(new_client, 6) != os
269 || i2c_smbus_read_word_data(new_client, 7) != os)
270 return -ENODEV;
276 271
277 /* Addresses cycling */ 272 /* Unused bits */
278 for (i = 8; i < 0xff; i += 8) 273 if (conf & 0xe0)
279 if (i2c_smbus_read_byte_data(new_client, i + 1) != conf 274 return -ENODEV;
280 || i2c_smbus_read_word_data(new_client, i + 2) != hyst 275
281 || i2c_smbus_read_word_data(new_client, i + 3) != os) 276 /* Addresses cycling */
282 return -ENODEV; 277 for (i = 8; i < 0xff; i += 8) {
278 if (i2c_smbus_read_byte_data(new_client, i + 1) != conf
279 || i2c_smbus_read_word_data(new_client, i + 2) != hyst
280 || i2c_smbus_read_word_data(new_client, i + 3) != os)
281 return -ENODEV;
283 } 282 }
284 283
285 /* NOTE: we treat "force=..." and "force_lm75=..." the same.
286 * Only new-style driver binding distinguishes chip types.
287 */
288 strlcpy(info->type, "lm75", I2C_NAME_SIZE); 284 strlcpy(info->type, "lm75", I2C_NAME_SIZE);
289 285
290 return 0; 286 return 0;
diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
index f7e70163e016..5978291cebb3 100644
--- a/drivers/hwmon/lm78.c
+++ b/drivers/hwmon/lm78.c
@@ -576,52 +576,34 @@ static int lm78_i2c_detect(struct i2c_client *client, int kind,
576 if (isa) 576 if (isa)
577 mutex_lock(&isa->update_lock); 577 mutex_lock(&isa->update_lock);
578 578
579 if (kind < 0) { 579 if ((i2c_smbus_read_byte_data(client, LM78_REG_CONFIG) & 0x80)
580 if ((i2c_smbus_read_byte_data(client, LM78_REG_CONFIG) & 0x80) 580 || i2c_smbus_read_byte_data(client, LM78_REG_I2C_ADDR) != address)
581 || i2c_smbus_read_byte_data(client, LM78_REG_I2C_ADDR) 581 goto err_nodev;
582 != address) 582
583 goto err_nodev; 583 /* Explicitly prevent the misdetection of Winbond chips */
584 584 i = i2c_smbus_read_byte_data(client, 0x4f);
585 /* Explicitly prevent the misdetection of Winbond chips */ 585 if (i == 0xa3 || i == 0x5c)
586 i = i2c_smbus_read_byte_data(client, 0x4f); 586 goto err_nodev;
587 if (i == 0xa3 || i == 0x5c)
588 goto err_nodev;
589 }
590 587
591 /* Determine the chip type. */ 588 /* Determine the chip type. */
592 if (kind <= 0) { 589 i = i2c_smbus_read_byte_data(client, LM78_REG_CHIPID);
593 i = i2c_smbus_read_byte_data(client, LM78_REG_CHIPID); 590 if (i == 0x00 || i == 0x20 /* LM78 */
594 if (i == 0x00 || i == 0x20 /* LM78 */ 591 || i == 0x40) /* LM78-J */
595 || i == 0x40) /* LM78-J */ 592 client_name = "lm78";
596 kind = lm78; 593 else if ((i & 0xfe) == 0xc0)
597 else if ((i & 0xfe) == 0xc0) 594 client_name = "lm79";
598 kind = lm79; 595 else
599 else { 596 goto err_nodev;
600 if (kind == 0)
601 dev_warn(&adapter->dev, "Ignoring 'force' "
602 "parameter for unknown chip at "
603 "adapter %d, address 0x%02x\n",
604 i2c_adapter_id(adapter), address);
605 goto err_nodev;
606 }
607 597
608 if (lm78_alias_detect(client, i)) { 598 if (lm78_alias_detect(client, i)) {
609 dev_dbg(&adapter->dev, "Device at 0x%02x appears to " 599 dev_dbg(&adapter->dev, "Device at 0x%02x appears to "
610 "be the same as ISA device\n", address); 600 "be the same as ISA device\n", address);
611 goto err_nodev; 601 goto err_nodev;
612 }
613 } 602 }
614 603
615 if (isa) 604 if (isa)
616 mutex_unlock(&isa->update_lock); 605 mutex_unlock(&isa->update_lock);
617 606
618 switch (kind) {
619 case lm79:
620 client_name = "lm79";
621 break;
622 default:
623 client_name = "lm78";
624 }
625 strlcpy(info->type, client_name, I2C_NAME_SIZE); 607 strlcpy(info->type, client_name, I2C_NAME_SIZE);
626 608
627 return 0; 609 return 0;
diff --git a/drivers/hwmon/lm87.c b/drivers/hwmon/lm87.c
index 2e4a3cea95f7..4929b1815eee 100644
--- a/drivers/hwmon/lm87.c
+++ b/drivers/hwmon/lm87.c
@@ -666,37 +666,32 @@ static int lm87_detect(struct i2c_client *new_client, int kind,
666 struct i2c_board_info *info) 666 struct i2c_board_info *info)
667{ 667{
668 struct i2c_adapter *adapter = new_client->adapter; 668 struct i2c_adapter *adapter = new_client->adapter;
669 static const char *names[] = { "lm87", "adm1024" }; 669 const char *name;
670 u8 cid, rev;
670 671
671 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 672 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
672 return -ENODEV; 673 return -ENODEV;
673 674
674 /* Default to an LM87 if forced */ 675 if (lm87_read_value(new_client, LM87_REG_CONFIG) & 0x80)
675 if (kind == 0) 676 return -ENODEV;
676 kind = lm87;
677 677
678 /* Now, we do the remaining detection. */ 678 /* Now, we do the remaining detection. */
679 if (kind < 0) { 679 cid = lm87_read_value(new_client, LM87_REG_COMPANY_ID);
680 u8 cid = lm87_read_value(new_client, LM87_REG_COMPANY_ID); 680 rev = lm87_read_value(new_client, LM87_REG_REVISION);
681 u8 rev = lm87_read_value(new_client, LM87_REG_REVISION); 681
682 682 if (cid == 0x02 /* National Semiconductor */
683 if (cid == 0x02 /* National Semiconductor */ 683 && (rev >= 0x01 && rev <= 0x08))
684 && (rev >= 0x01 && rev <= 0x08)) 684 name = "lm87";
685 kind = lm87; 685 else if (cid == 0x41 /* Analog Devices */
686 else if (cid == 0x41 /* Analog Devices */ 686 && (rev & 0xf0) == 0x10)
687 && (rev & 0xf0) == 0x10) 687 name = "adm1024";
688 kind = adm1024; 688 else {
689 689 dev_dbg(&adapter->dev, "LM87 detection failed at 0x%02x\n",
690 if (kind < 0 690 new_client->addr);
691 || (lm87_read_value(new_client, LM87_REG_CONFIG) & 0x80)) { 691 return -ENODEV;
692 dev_dbg(&adapter->dev,
693 "LM87 detection failed at 0x%02x.\n",
694 new_client->addr);
695 return -ENODEV;
696 }
697 } 692 }
698 693
699 strlcpy(info->type, names[kind - 1], I2C_NAME_SIZE); 694 strlcpy(info->type, name, I2C_NAME_SIZE);
700 695
701 return 0; 696 return 0;
702} 697}
diff --git a/drivers/hwmon/lm92.c b/drivers/hwmon/lm92.c
index b2e00c5a7eec..47ac698709dc 100644
--- a/drivers/hwmon/lm92.c
+++ b/drivers/hwmon/lm92.c
@@ -323,31 +323,22 @@ static int lm92_detect(struct i2c_client *new_client, int kind,
323 struct i2c_board_info *info) 323 struct i2c_board_info *info)
324{ 324{
325 struct i2c_adapter *adapter = new_client->adapter; 325 struct i2c_adapter *adapter = new_client->adapter;
326 u8 config;
327 u16 man_id;
326 328
327 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA 329 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA
328 | I2C_FUNC_SMBUS_WORD_DATA)) 330 | I2C_FUNC_SMBUS_WORD_DATA))
329 return -ENODEV; 331 return -ENODEV;
330 332
331 /* A negative kind means that the driver was loaded with no force 333 config = i2c_smbus_read_byte_data(new_client, LM92_REG_CONFIG);
332 parameter (default), so we must identify the chip. */ 334 man_id = i2c_smbus_read_word_data(new_client, LM92_REG_MAN_ID);
333 if (kind < 0) { 335
334 u8 config = i2c_smbus_read_byte_data(new_client, 336 if ((config & 0xe0) == 0x00 && man_id == 0x0180)
335 LM92_REG_CONFIG); 337 pr_info("lm92: Found National Semiconductor LM92 chip\n");
336 u16 man_id = i2c_smbus_read_word_data(new_client, 338 else if (max6635_check(new_client))
337 LM92_REG_MAN_ID); 339 pr_info("lm92: Found Maxim MAX6635 chip\n");
338 340 else
339 if ((config & 0xe0) == 0x00 341 return -ENODEV;
340 && man_id == 0x0180) {
341 pr_info("lm92: Found National Semiconductor LM92 chip\n");
342 kind = lm92;
343 } else
344 if (max6635_check(new_client)) {
345 pr_info("lm92: Found Maxim MAX6635 chip\n");
346 kind = lm92; /* No separate prefix */
347 }
348 else
349 return -ENODEV;
350 }
351 342
352 strlcpy(info->type, "lm92", I2C_NAME_SIZE); 343 strlcpy(info->type, "lm92", I2C_NAME_SIZE);
353 344
diff --git a/drivers/hwmon/lm93.c b/drivers/hwmon/lm93.c
index fc36cadf36fb..495e7ce6f8a1 100644
--- a/drivers/hwmon/lm93.c
+++ b/drivers/hwmon/lm93.c
@@ -2505,34 +2505,24 @@ static int lm93_detect(struct i2c_client *client, int kind,
2505 struct i2c_board_info *info) 2505 struct i2c_board_info *info)
2506{ 2506{
2507 struct i2c_adapter *adapter = client->adapter; 2507 struct i2c_adapter *adapter = client->adapter;
2508 int mfr, ver;
2508 2509
2509 if (!i2c_check_functionality(adapter, LM93_SMBUS_FUNC_MIN)) 2510 if (!i2c_check_functionality(adapter, LM93_SMBUS_FUNC_MIN))
2510 return -ENODEV; 2511 return -ENODEV;
2511 2512
2512 /* detection */ 2513 /* detection */
2513 if (kind < 0) { 2514 mfr = lm93_read_byte(client, LM93_REG_MFR_ID);
2514 int mfr = lm93_read_byte(client, LM93_REG_MFR_ID); 2515 if (mfr != 0x01) {
2515 2516 dev_dbg(&adapter->dev,
2516 if (mfr != 0x01) { 2517 "detect failed, bad manufacturer id 0x%02x!\n", mfr);
2517 dev_dbg(&adapter->dev,"detect failed, " 2518 return -ENODEV;
2518 "bad manufacturer id 0x%02x!\n", mfr);
2519 return -ENODEV;
2520 }
2521 } 2519 }
2522 2520
2523 if (kind <= 0) { 2521 ver = lm93_read_byte(client, LM93_REG_VER);
2524 int ver = lm93_read_byte(client, LM93_REG_VER); 2522 if (ver != LM93_MFR_ID && ver != LM93_MFR_ID_PROTOTYPE) {
2525 2523 dev_dbg(&adapter->dev,
2526 if ((ver == LM93_MFR_ID) || (ver == LM93_MFR_ID_PROTOTYPE)) { 2524 "detect failed, bad version id 0x%02x!\n", ver);
2527 kind = lm93; 2525 return -ENODEV;
2528 } else {
2529 dev_dbg(&adapter->dev,"detect failed, "
2530 "bad version id 0x%02x!\n", ver);
2531 if (kind == 0)
2532 dev_dbg(&adapter->dev,
2533 "(ignored 'force' parameter)\n");
2534 return -ENODEV;
2535 }
2536 } 2526 }
2537 2527
2538 strlcpy(info->type, "lm93", I2C_NAME_SIZE); 2528 strlcpy(info->type, "lm93", I2C_NAME_SIZE);
diff --git a/drivers/hwmon/lm95241.c b/drivers/hwmon/lm95241.c
index e34f9e402a2c..906b896cf1d0 100644
--- a/drivers/hwmon/lm95241.c
+++ b/drivers/hwmon/lm95241.c
@@ -315,51 +315,23 @@ static int lm95241_detect(struct i2c_client *new_client, int kind,
315{ 315{
316 struct i2c_adapter *adapter = new_client->adapter; 316 struct i2c_adapter *adapter = new_client->adapter;
317 int address = new_client->addr; 317 int address = new_client->addr;
318 const char *name = ""; 318 const char *name;
319 319
320 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 320 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
321 return -ENODEV; 321 return -ENODEV;
322 322
323 /* 323 if ((i2c_smbus_read_byte_data(new_client, LM95241_REG_R_MAN_ID)
324 * Now we do the remaining detection. A negative kind means that 324 == MANUFACTURER_ID)
325 * the driver was loaded with no force parameter (default), so we 325 && (i2c_smbus_read_byte_data(new_client, LM95241_REG_R_CHIP_ID)
326 * must both detect and identify the chip. A zero kind means that 326 >= DEFAULT_REVISION)) {
327 * the driver was loaded with the force parameter, the detection 327 name = "lm95241";
328 * step shall be skipped. A positive kind means that the driver 328 } else {
329 * was loaded with the force parameter and a given kind of chip is 329 dev_dbg(&adapter->dev, "LM95241 detection failed at 0x%02x\n",
330 * requested, so both the detection and the identification steps 330 address);
331 * are skipped. 331 return -ENODEV;
332 */
333 if (kind < 0) { /* detection */
334 if ((i2c_smbus_read_byte_data(new_client, LM95241_REG_R_MAN_ID)
335 != MANUFACTURER_ID)
336 || (i2c_smbus_read_byte_data(new_client, LM95241_REG_R_CHIP_ID)
337 < DEFAULT_REVISION)) {
338 dev_dbg(&adapter->dev,
339 "LM95241 detection failed at 0x%02x.\n",
340 address);
341 return -ENODEV;
342 }
343 }
344
345 if (kind <= 0) { /* identification */
346 if ((i2c_smbus_read_byte_data(new_client, LM95241_REG_R_MAN_ID)
347 == MANUFACTURER_ID)
348 && (i2c_smbus_read_byte_data(new_client, LM95241_REG_R_CHIP_ID)
349 >= DEFAULT_REVISION)) {
350
351 kind = lm95241;
352
353 if (kind <= 0) { /* identification failed */
354 dev_info(&adapter->dev, "Unsupported chip\n");
355 return -ENODEV;
356 }
357 }
358 } 332 }
359 333
360 /* Fill the i2c board info */ 334 /* Fill the i2c board info */
361 if (kind == lm95241)
362 name = "lm95241";
363 strlcpy(info->type, name, I2C_NAME_SIZE); 335 strlcpy(info->type, name, I2C_NAME_SIZE);
364 return 0; 336 return 0;
365} 337}
diff --git a/drivers/hwmon/max1619.c b/drivers/hwmon/max1619.c
index 7897754f3a5c..7fcf5ff89e7f 100644
--- a/drivers/hwmon/max1619.c
+++ b/drivers/hwmon/max1619.c
@@ -226,58 +226,34 @@ static const struct attribute_group max1619_group = {
226 */ 226 */
227 227
228/* Return 0 if detection is successful, -ENODEV otherwise */ 228/* Return 0 if detection is successful, -ENODEV otherwise */
229static int max1619_detect(struct i2c_client *new_client, int kind, 229static int max1619_detect(struct i2c_client *client, int kind,
230 struct i2c_board_info *info) 230 struct i2c_board_info *info)
231{ 231{
232 struct i2c_adapter *adapter = new_client->adapter; 232 struct i2c_adapter *adapter = client->adapter;
233 u8 reg_config=0, reg_convrate=0, reg_status=0; 233 u8 reg_config, reg_convrate, reg_status, man_id, chip_id;
234 234
235 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 235 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
236 return -ENODEV; 236 return -ENODEV;
237 237
238 /* 238 /* detection */
239 * Now we do the remaining detection. A negative kind means that 239 reg_config = i2c_smbus_read_byte_data(client, MAX1619_REG_R_CONFIG);
240 * the driver was loaded with no force parameter (default), so we 240 reg_convrate = i2c_smbus_read_byte_data(client, MAX1619_REG_R_CONVRATE);
241 * must both detect and identify the chip. A zero kind means that 241 reg_status = i2c_smbus_read_byte_data(client, MAX1619_REG_R_STATUS);
242 * the driver was loaded with the force parameter, the detection 242 if ((reg_config & 0x03) != 0x00
243 * step shall be skipped. A positive kind means that the driver 243 || reg_convrate > 0x07 || (reg_status & 0x61) != 0x00) {
244 * was loaded with the force parameter and a given kind of chip is 244 dev_dbg(&adapter->dev, "MAX1619 detection failed at 0x%02x\n",
245 * requested, so both the detection and the identification steps 245 client->addr);
246 * are skipped. 246 return -ENODEV;
247 */
248 if (kind < 0) { /* detection */
249 reg_config = i2c_smbus_read_byte_data(new_client,
250 MAX1619_REG_R_CONFIG);
251 reg_convrate = i2c_smbus_read_byte_data(new_client,
252 MAX1619_REG_R_CONVRATE);
253 reg_status = i2c_smbus_read_byte_data(new_client,
254 MAX1619_REG_R_STATUS);
255 if ((reg_config & 0x03) != 0x00
256 || reg_convrate > 0x07 || (reg_status & 0x61 ) !=0x00) {
257 dev_dbg(&adapter->dev,
258 "MAX1619 detection failed at 0x%02x.\n",
259 new_client->addr);
260 return -ENODEV;
261 }
262 } 247 }
263 248
264 if (kind <= 0) { /* identification */ 249 /* identification */
265 u8 man_id, chip_id; 250 man_id = i2c_smbus_read_byte_data(client, MAX1619_REG_R_MAN_ID);
266 251 chip_id = i2c_smbus_read_byte_data(client, MAX1619_REG_R_CHIP_ID);
267 man_id = i2c_smbus_read_byte_data(new_client, 252 if (man_id != 0x4D || chip_id != 0x04) {
268 MAX1619_REG_R_MAN_ID); 253 dev_info(&adapter->dev,
269 chip_id = i2c_smbus_read_byte_data(new_client, 254 "Unsupported chip (man_id=0x%02X, chip_id=0x%02X).\n",
270 MAX1619_REG_R_CHIP_ID); 255 man_id, chip_id);
271 256 return -ENODEV;
272 if ((man_id == 0x4D) && (chip_id == 0x04))
273 kind = max1619;
274
275 if (kind <= 0) { /* identification failed */
276 dev_info(&adapter->dev,
277 "Unsupported chip (man_id=0x%02X, "
278 "chip_id=0x%02X).\n", man_id, chip_id);
279 return -ENODEV;
280 }
281 } 257 }
282 258
283 strlcpy(info->type, "max1619", I2C_NAME_SIZE); 259 strlcpy(info->type, "max1619", I2C_NAME_SIZE);
diff --git a/drivers/hwmon/max6650.c b/drivers/hwmon/max6650.c
index 58f66be61b1f..1da561e0cb37 100644
--- a/drivers/hwmon/max6650.c
+++ b/drivers/hwmon/max6650.c
@@ -534,7 +534,7 @@ static int max6650_detect(struct i2c_client *client, int kind,
534 struct i2c_adapter *adapter = client->adapter; 534 struct i2c_adapter *adapter = client->adapter;
535 int address = client->addr; 535 int address = client->addr;
536 536
537 dev_dbg(&adapter->dev, "max6650_detect called, kind = %d\n", kind); 537 dev_dbg(&adapter->dev, "max6650_detect called\n");
538 538
539 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { 539 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
540 dev_dbg(&adapter->dev, "max6650: I2C bus doesn't support " 540 dev_dbg(&adapter->dev, "max6650: I2C bus doesn't support "
@@ -542,23 +542,7 @@ static int max6650_detect(struct i2c_client *client, int kind,
542 return -ENODEV; 542 return -ENODEV;
543 } 543 }
544 544
545 /* 545 if (((i2c_smbus_read_byte_data(client, MAX6650_REG_CONFIG) & 0xC0)
546 * Now we do the remaining detection. A negative kind means that
547 * the driver was loaded with no force parameter (default), so we
548 * must both detect and identify the chip (actually there is only
549 * one possible kind of chip for now, max6650). A zero kind means that
550 * the driver was loaded with the force parameter, the detection
551 * step shall be skipped. A positive kind means that the driver
552 * was loaded with the force parameter and a given kind of chip is
553 * requested, so both the detection and the identification steps
554 * are skipped.
555 *
556 * Currently I can find no way to distinguish between a MAX6650 and
557 * a MAX6651. This driver has only been tried on the former.
558 */
559
560 if ((kind < 0) &&
561 ( (i2c_smbus_read_byte_data(client, MAX6650_REG_CONFIG) & 0xC0)
562 ||(i2c_smbus_read_byte_data(client, MAX6650_REG_GPIO_STAT) & 0xE0) 546 ||(i2c_smbus_read_byte_data(client, MAX6650_REG_GPIO_STAT) & 0xE0)
563 ||(i2c_smbus_read_byte_data(client, MAX6650_REG_ALARM_EN) & 0xE0) 547 ||(i2c_smbus_read_byte_data(client, MAX6650_REG_ALARM_EN) & 0xE0)
564 ||(i2c_smbus_read_byte_data(client, MAX6650_REG_ALARM) & 0xE0) 548 ||(i2c_smbus_read_byte_data(client, MAX6650_REG_ALARM) & 0xE0)
diff --git a/drivers/hwmon/smsc47m192.c b/drivers/hwmon/smsc47m192.c
index 8bb5cb532d4d..4d88c045781c 100644
--- a/drivers/hwmon/smsc47m192.c
+++ b/drivers/hwmon/smsc47m192.c
@@ -491,24 +491,22 @@ static int smsc47m192_detect(struct i2c_client *client, int kind,
491 return -ENODEV; 491 return -ENODEV;
492 492
493 /* Detection criteria from sensors_detect script */ 493 /* Detection criteria from sensors_detect script */
494 if (kind < 0) { 494 version = i2c_smbus_read_byte_data(client, SMSC47M192_REG_VERSION);
495 if (i2c_smbus_read_byte_data(client, 495 if (i2c_smbus_read_byte_data(client,
496 SMSC47M192_REG_COMPANY_ID) == 0x55 496 SMSC47M192_REG_COMPANY_ID) == 0x55
497 && ((version = i2c_smbus_read_byte_data(client, 497 && (version & 0xf0) == 0x20
498 SMSC47M192_REG_VERSION)) & 0xf0) == 0x20 498 && (i2c_smbus_read_byte_data(client,
499 && (i2c_smbus_read_byte_data(client,
500 SMSC47M192_REG_VID) & 0x70) == 0x00 499 SMSC47M192_REG_VID) & 0x70) == 0x00
501 && (i2c_smbus_read_byte_data(client, 500 && (i2c_smbus_read_byte_data(client,
502 SMSC47M192_REG_VID4) & 0xfe) == 0x80) { 501 SMSC47M192_REG_VID4) & 0xfe) == 0x80) {
503 dev_info(&adapter->dev, 502 dev_info(&adapter->dev,
504 "found SMSC47M192 or compatible, " 503 "found SMSC47M192 or compatible, "
505 "version 2, stepping A%d\n", version & 0x0f); 504 "version 2, stepping A%d\n", version & 0x0f);
506 } else { 505 } else {
507 dev_dbg(&adapter->dev, 506 dev_dbg(&adapter->dev,
508 "SMSC47M192 detection failed at 0x%02x\n", 507 "SMSC47M192 detection failed at 0x%02x\n",
509 client->addr); 508 client->addr);
510 return -ENODEV; 509 return -ENODEV;
511 }
512 } 510 }
513 511
514 strlcpy(info->type, "smsc47m192", I2C_NAME_SIZE); 512 strlcpy(info->type, "smsc47m192", I2C_NAME_SIZE);
diff --git a/drivers/hwmon/thmc50.c b/drivers/hwmon/thmc50.c
index 7d97431e132f..1db9bc802f2b 100644
--- a/drivers/hwmon/thmc50.c
+++ b/drivers/hwmon/thmc50.c
@@ -289,7 +289,6 @@ static int thmc50_detect(struct i2c_client *client, int kind,
289 unsigned revision; 289 unsigned revision;
290 unsigned config; 290 unsigned config;
291 struct i2c_adapter *adapter = client->adapter; 291 struct i2c_adapter *adapter = client->adapter;
292 int err = 0;
293 const char *type_name; 292 const char *type_name;
294 293
295 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { 294 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
@@ -301,31 +300,13 @@ static int thmc50_detect(struct i2c_client *client, int kind,
301 pr_debug("thmc50: Probing for THMC50 at 0x%2X on bus %d\n", 300 pr_debug("thmc50: Probing for THMC50 at 0x%2X on bus %d\n",
302 client->addr, i2c_adapter_id(client->adapter)); 301 client->addr, i2c_adapter_id(client->adapter));
303 302
304 /* Now, we do the remaining detection. */
305 company = i2c_smbus_read_byte_data(client, THMC50_REG_COMPANY_ID); 303 company = i2c_smbus_read_byte_data(client, THMC50_REG_COMPANY_ID);
306 revision = i2c_smbus_read_byte_data(client, THMC50_REG_DIE_CODE); 304 revision = i2c_smbus_read_byte_data(client, THMC50_REG_DIE_CODE);
307 config = i2c_smbus_read_byte_data(client, THMC50_REG_CONF); 305 config = i2c_smbus_read_byte_data(client, THMC50_REG_CONF);
306 if (revision < 0xc0 || (config & 0x10))
307 return -ENODEV;
308 308
309 if (kind == 0) 309 if (company == 0x41) {
310 kind = thmc50;
311 else if (kind < 0) {
312 err = -ENODEV;
313 if (revision >= 0xc0 && ((config & 0x10) == 0)) {
314 if (company == 0x49) {
315 kind = thmc50;
316 err = 0;
317 } else if (company == 0x41) {
318 kind = adm1022;
319 err = 0;
320 }
321 }
322 }
323 if (err == -ENODEV) {
324 pr_debug("thmc50: Detection of THMC50/ADM1022 failed\n");
325 return err;
326 }
327
328 if (kind == adm1022) {
329 int id = i2c_adapter_id(client->adapter); 310 int id = i2c_adapter_id(client->adapter);
330 int i; 311 int i;
331 312
@@ -340,9 +321,13 @@ static int thmc50_detect(struct i2c_client *client, int kind,
340 config); 321 config);
341 break; 322 break;
342 } 323 }
343 } else { 324 } else if (company == 0x49) {
344 type_name = "thmc50"; 325 type_name = "thmc50";
326 } else {
327 pr_debug("thmc50: Detection of THMC50/ADM1022 failed\n");
328 return -ENODEV;
345 } 329 }
330
346 pr_debug("thmc50: Detected %s (version %x, revision %x)\n", 331 pr_debug("thmc50: Detected %s (version %x, revision %x)\n",
347 type_name, (revision >> 4) - 0xc, revision & 0xf); 332 type_name, (revision >> 4) - 0xc, revision & 0xf);
348 333
diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c
index 47dd398f7258..80a2191bf127 100644
--- a/drivers/hwmon/w83793.c
+++ b/drivers/hwmon/w83793.c
@@ -1164,7 +1164,7 @@ ERROR_SC_0:
1164static int w83793_detect(struct i2c_client *client, int kind, 1164static int w83793_detect(struct i2c_client *client, int kind,
1165 struct i2c_board_info *info) 1165 struct i2c_board_info *info)
1166{ 1166{
1167 u8 tmp, bank; 1167 u8 tmp, bank, chip_id;
1168 struct i2c_adapter *adapter = client->adapter; 1168 struct i2c_adapter *adapter = client->adapter;
1169 unsigned short address = client->addr; 1169 unsigned short address = client->addr;
1170 1170
@@ -1174,44 +1174,27 @@ static int w83793_detect(struct i2c_client *client, int kind,
1174 1174
1175 bank = i2c_smbus_read_byte_data(client, W83793_REG_BANKSEL); 1175 bank = i2c_smbus_read_byte_data(client, W83793_REG_BANKSEL);
1176 1176
1177 if (kind < 0) { 1177 tmp = bank & 0x80 ? 0x5c : 0xa3;
1178 tmp = bank & 0x80 ? 0x5c : 0xa3; 1178 /* Check Winbond vendor ID */
1179 /* Check Winbond vendor ID */ 1179 if (tmp != i2c_smbus_read_byte_data(client, W83793_REG_VENDORID)) {
1180 if (tmp != i2c_smbus_read_byte_data(client, 1180 pr_debug("w83793: Detection failed at check vendor id\n");
1181 W83793_REG_VENDORID)) { 1181 return -ENODEV;
1182 pr_debug("w83793: Detection failed at check "
1183 "vendor id\n");
1184 return -ENODEV;
1185 }
1186
1187 /* If Winbond chip, address of chip and W83793_REG_I2C_ADDR
1188 should match */
1189 if ((bank & 0x07) == 0
1190 && i2c_smbus_read_byte_data(client, W83793_REG_I2C_ADDR) !=
1191 (address << 1)) {
1192 pr_debug("w83793: Detection failed at check "
1193 "i2c addr\n");
1194 return -ENODEV;
1195 }
1196
1197 } 1182 }
1198 1183
1199 /* We have either had a force parameter, or we have already detected the 1184 /* If Winbond chip, address of chip and W83793_REG_I2C_ADDR
1200 Winbond. Determine the chip type now */ 1185 should match */
1201 1186 if ((bank & 0x07) == 0
1202 if (kind <= 0) { 1187 && i2c_smbus_read_byte_data(client, W83793_REG_I2C_ADDR) !=
1203 if (0x7b == i2c_smbus_read_byte_data(client, 1188 (address << 1)) {
1204 W83793_REG_CHIPID)) { 1189 pr_debug("w83793: Detection failed at check i2c addr\n");
1205 kind = w83793; 1190 return -ENODEV;
1206 } else {
1207 if (kind == 0)
1208 dev_warn(&adapter->dev, "w83793: Ignoring "
1209 "'force' parameter for unknown chip "
1210 "at address 0x%02x\n", address);
1211 return -ENODEV;
1212 }
1213 } 1191 }
1214 1192
1193 /* Determine the chip type now */
1194 chip_id = i2c_smbus_read_byte_data(client, W83793_REG_CHIPID);
1195 if (chip_id != 0x7b)
1196 return -ENODEV;
1197
1215 strlcpy(info->type, "w83793", I2C_NAME_SIZE); 1198 strlcpy(info->type, "w83793", I2C_NAME_SIZE);
1216 1199
1217 return 0; 1200 return 0;
diff --git a/drivers/hwmon/w83l786ng.c b/drivers/hwmon/w83l786ng.c
index badca769f350..27da7d2b15fb 100644
--- a/drivers/hwmon/w83l786ng.c
+++ b/drivers/hwmon/w83l786ng.c
@@ -590,53 +590,31 @@ w83l786ng_detect(struct i2c_client *client, int kind,
590 struct i2c_board_info *info) 590 struct i2c_board_info *info)
591{ 591{
592 struct i2c_adapter *adapter = client->adapter; 592 struct i2c_adapter *adapter = client->adapter;
593 u16 man_id;
594 u8 chip_id;
593 595
594 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { 596 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
595 return -ENODEV; 597 return -ENODEV;
596 } 598 }
597 599
598 /* 600 /* Detection */
599 * Now we do the remaining detection. A negative kind means that 601 if ((w83l786ng_read_value(client, W83L786NG_REG_CONFIG) & 0x80)) {
600 * the driver was loaded with no force parameter (default), so we 602 dev_dbg(&adapter->dev, "W83L786NG detection failed at 0x%02x\n",
601 * must both detect and identify the chip (actually there is only 603 client->addr);
602 * one possible kind of chip for now, W83L786NG). A zero kind means 604 return -ENODEV;
603 * that the driver was loaded with the force parameter, the detection
604 * step shall be skipped. A positive kind means that the driver
605 * was loaded with the force parameter and a given kind of chip is
606 * requested, so both the detection and the identification steps
607 * are skipped.
608 */
609 if (kind < 0) { /* detection */
610 if (((w83l786ng_read_value(client,
611 W83L786NG_REG_CONFIG) & 0x80) != 0x00)) {
612 dev_dbg(&adapter->dev,
613 "W83L786NG detection failed at 0x%02x.\n",
614 client->addr);
615 return -ENODEV;
616 }
617 } 605 }
618 606
619 if (kind <= 0) { /* identification */ 607 /* Identification */
620 u16 man_id; 608 man_id = (w83l786ng_read_value(client, W83L786NG_REG_MAN_ID1) << 8) +
621 u8 chip_id; 609 w83l786ng_read_value(client, W83L786NG_REG_MAN_ID2);
622 610 chip_id = w83l786ng_read_value(client, W83L786NG_REG_CHIP_ID);
623 man_id = (w83l786ng_read_value(client,
624 W83L786NG_REG_MAN_ID1) << 8) +
625 w83l786ng_read_value(client, W83L786NG_REG_MAN_ID2);
626 chip_id = w83l786ng_read_value(client, W83L786NG_REG_CHIP_ID);
627
628 if (man_id == 0x5CA3) { /* Winbond */
629 if (chip_id == 0x80) { /* W83L786NG */
630 kind = w83l786ng;
631 }
632 }
633 611
634 if (kind <= 0) { /* identification failed */ 612 if (man_id != 0x5CA3 || /* Winbond */
635 dev_info(&adapter->dev, 613 chip_id != 0x80) { /* W83L786NG */
636 "Unsupported chip (man_id=0x%04X, " 614 dev_dbg(&adapter->dev,
637 "chip_id=0x%02X).\n", man_id, chip_id); 615 "Unsupported chip (man_id=0x%04X, chip_id=0x%02X)\n",
638 return -ENODEV; 616 man_id, chip_id);
639 } 617 return -ENODEV;
640 } 618 }
641 619
642 strlcpy(info->type, "w83l786ng", I2C_NAME_SIZE); 620 strlcpy(info->type, "w83l786ng", I2C_NAME_SIZE);
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-15 04:34:16 -0500