diff options
Diffstat (limited to 'drivers/hwmon/pmbus')
-rw-r--r-- | drivers/hwmon/pmbus/Kconfig | 17 | ||||
-rw-r--r-- | drivers/hwmon/pmbus/adm1275.c | 124 | ||||
-rw-r--r-- | drivers/hwmon/pmbus/lm25066.c | 46 | ||||
-rw-r--r-- | drivers/hwmon/pmbus/ltc2978.c | 50 | ||||
-rw-r--r-- | drivers/hwmon/pmbus/max16064.c | 20 | ||||
-rw-r--r-- | drivers/hwmon/pmbus/max34440.c | 141 | ||||
-rw-r--r-- | drivers/hwmon/pmbus/max8688.c | 20 | ||||
-rw-r--r-- | drivers/hwmon/pmbus/pmbus.c | 40 | ||||
-rw-r--r-- | drivers/hwmon/pmbus/pmbus.h | 57 | ||||
-rw-r--r-- | drivers/hwmon/pmbus/pmbus_core.c | 90 | ||||
-rw-r--r-- | drivers/hwmon/pmbus/ucd9000.c | 47 | ||||
-rw-r--r-- | drivers/hwmon/pmbus/ucd9200.c | 43 | ||||
-rw-r--r-- | drivers/hwmon/pmbus/zl6100.c | 64 |
13 files changed, 362 insertions, 397 deletions
diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig index cfec923f42b..2ca6a5a4f5a 100644 --- a/drivers/hwmon/pmbus/Kconfig +++ b/drivers/hwmon/pmbus/Kconfig @@ -20,7 +20,8 @@ config SENSORS_PMBUS help If you say yes here you get hardware monitoring support for generic PMBus devices, including but not limited to ADP4000, BMR453, BMR454, - NCP4200, and NCP4208. + MDT040, NCP4200, NCP4208, PDT003, PDT006, PDT012, UDT020, TPS40400, + and TPS40422. This driver can also be built as a module. If so, the module will be called pmbus. @@ -30,8 +31,8 @@ config SENSORS_ADM1275 default n help If you say yes here you get hardware monitoring support for Analog - Devices ADM1275 and ADM1276 Hot-Swap Controller and Digital Power - Monitor. + Devices ADM1075, ADM1275, and ADM1276 Hot-Swap Controller and Digital + Power Monitors. This driver can also be built as a module. If so, the module will be called adm1275. @@ -67,11 +68,11 @@ config SENSORS_MAX16064 be called max16064. config SENSORS_MAX34440 - tristate "Maxim MAX34440/MAX34441" + tristate "Maxim MAX34440 and compatibles" default n help If you say yes here you get hardware monitoring support for Maxim - MAX34440 and MAX34441. + MAX34440, MAX34441, and MAX34446. This driver can also be built as a module. If so, the module will be called max34440. @@ -113,9 +114,9 @@ config SENSORS_ZL6100 default n help If you say yes here you get hardware monitoring support for Intersil - ZL2004, ZL2005, ZL2006, ZL2008, ZL2105, ZL2106, ZL6100, and ZL6105 - Digital DC/DC Controllers, as well as for Ericsson BMR450, BMR451, - BMR462, BMR463, and BMR464. + ZL2004, ZL2005, ZL2006, ZL2008, ZL2105, ZL2106, ZL6100, ZL6105, + ZL9101M, and ZL9117M Digital DC/DC Controllers, as well as for + Ericsson BMR450, BMR451, BMR462, BMR463, and BMR464. This driver can also be built as a module. If so, the module will be called zl6100. diff --git a/drivers/hwmon/pmbus/adm1275.c b/drivers/hwmon/pmbus/adm1275.c index 81c7c2ead6f..60aad9570f0 100644 --- a/drivers/hwmon/pmbus/adm1275.c +++ b/drivers/hwmon/pmbus/adm1275.c @@ -23,7 +23,7 @@ #include <linux/i2c.h> #include "pmbus.h" -enum chips { adm1275, adm1276 }; +enum chips { adm1075, adm1275, adm1276 }; #define ADM1275_PEAK_IOUT 0xd0 #define ADM1275_PEAK_VIN 0xd1 @@ -32,6 +32,9 @@ enum chips { adm1275, adm1276 }; #define ADM1275_VIN_VOUT_SELECT (1 << 6) #define ADM1275_VRANGE (1 << 5) +#define ADM1075_IRANGE_50 (1 << 4) +#define ADM1075_IRANGE_25 (1 << 3) +#define ADM1075_IRANGE_MASK ((1 << 3) | (1 << 4)) #define ADM1275_IOUT_WARN2_LIMIT 0xd7 #define ADM1275_DEVICE_CONFIG 0xd8 @@ -42,6 +45,14 @@ enum chips { adm1275, adm1276 }; #define ADM1275_MFR_STATUS_IOUT_WARN2 (1 << 0) +#define ADM1075_READ_VAUX 0xdd +#define ADM1075_VAUX_OV_WARN_LIMIT 0xde +#define ADM1075_VAUX_UV_WARN_LIMIT 0xdf +#define ADM1075_VAUX_STATUS 0xf6 + +#define ADM1075_VAUX_OV_WARN (1<<7) +#define ADM1075_VAUX_UV_WARN (1<<6) + struct adm1275_data { int id; bool have_oc_fault; @@ -74,6 +85,29 @@ static int adm1275_read_word_data(struct i2c_client *client, int page, int reg) } ret = pmbus_read_word_data(client, 0, ADM1275_IOUT_WARN2_LIMIT); break; + case PMBUS_VOUT_OV_WARN_LIMIT: + if (data->id != adm1075) { + ret = -ENODATA; + break; + } + ret = pmbus_read_word_data(client, 0, + ADM1075_VAUX_OV_WARN_LIMIT); + break; + case PMBUS_VOUT_UV_WARN_LIMIT: + if (data->id != adm1075) { + ret = -ENODATA; + break; + } + ret = pmbus_read_word_data(client, 0, + ADM1075_VAUX_UV_WARN_LIMIT); + break; + case PMBUS_READ_VOUT: + if (data->id != adm1075) { + ret = -ENODATA; + break; + } + ret = pmbus_read_word_data(client, 0, ADM1075_READ_VAUX); + break; case PMBUS_VIRT_READ_IOUT_MAX: ret = pmbus_read_word_data(client, 0, ADM1275_PEAK_IOUT); break; @@ -84,7 +118,7 @@ static int adm1275_read_word_data(struct i2c_client *client, int page, int reg) ret = pmbus_read_word_data(client, 0, ADM1275_PEAK_VIN); break; case PMBUS_VIRT_READ_PIN_MAX: - if (data->id != adm1276) { + if (data->id == adm1275) { ret = -ENXIO; break; } @@ -95,7 +129,7 @@ static int adm1275_read_word_data(struct i2c_client *client, int page, int reg) case PMBUS_VIRT_RESET_VIN_HISTORY: break; case PMBUS_VIRT_RESET_PIN_HISTORY: - if (data->id != adm1276) + if (data->id == adm1275) ret = -ENXIO; break; default: @@ -163,6 +197,19 @@ static int adm1275_read_byte_data(struct i2c_client *client, int page, int reg) PB_IOUT_OC_FAULT : PB_IOUT_UC_FAULT; } break; + case PMBUS_STATUS_VOUT: + if (data->id != adm1075) { + ret = -ENODATA; + break; + } + ret = 0; + mfr_status = pmbus_read_byte_data(client, 0, + ADM1075_VAUX_STATUS); + if (mfr_status & ADM1075_VAUX_OV_WARN) + ret |= PB_VOLTAGE_OV_WARNING; + if (mfr_status & ADM1075_VAUX_UV_WARN) + ret |= PB_VOLTAGE_UV_WARNING; + break; default: ret = -ENODATA; break; @@ -171,6 +218,7 @@ static int adm1275_read_byte_data(struct i2c_client *client, int page, int reg) } static const struct i2c_device_id adm1275_id[] = { + { "adm1075", adm1075 }, { "adm1275", adm1275 }, { "adm1276", adm1276 }, { } @@ -229,7 +277,8 @@ static int adm1275_probe(struct i2c_client *client, if (device_config < 0) return device_config; - data = kzalloc(sizeof(struct adm1275_data), GFP_KERNEL); + data = devm_kzalloc(&client->dev, sizeof(struct adm1275_data), + GFP_KERNEL); if (!data) return -ENOMEM; @@ -250,7 +299,14 @@ static int adm1275_probe(struct i2c_client *client, info->read_byte_data = adm1275_read_byte_data; info->write_word_data = adm1275_write_word_data; - if (config & ADM1275_VRANGE) { + if (data->id == adm1075) { + info->m[PSC_VOLTAGE_IN] = 27169; + info->b[PSC_VOLTAGE_IN] = 0; + info->R[PSC_VOLTAGE_IN] = -1; + info->m[PSC_VOLTAGE_OUT] = 27169; + info->b[PSC_VOLTAGE_OUT] = 0; + info->R[PSC_VOLTAGE_OUT] = -1; + } else if (config & ADM1275_VRANGE) { info->m[PSC_VOLTAGE_IN] = 19199; info->b[PSC_VOLTAGE_IN] = 0; info->R[PSC_VOLTAGE_IN] = -2; @@ -270,6 +326,31 @@ static int adm1275_probe(struct i2c_client *client, data->have_oc_fault = true; switch (data->id) { + case adm1075: + info->format[PSC_POWER] = direct; + info->b[PSC_POWER] = 0; + info->R[PSC_POWER] = -1; + switch (config & ADM1075_IRANGE_MASK) { + case ADM1075_IRANGE_25: + info->m[PSC_POWER] = 8549; + info->m[PSC_CURRENT_OUT] = 806; + break; + case ADM1075_IRANGE_50: + info->m[PSC_POWER] = 4279; + info->m[PSC_CURRENT_OUT] = 404; + break; + default: + dev_err(&client->dev, "Invalid input current range"); + info->m[PSC_POWER] = 0; + info->m[PSC_CURRENT_OUT] = 0; + break; + } + info->func[0] |= PMBUS_HAVE_VIN | PMBUS_HAVE_PIN + | PMBUS_HAVE_STATUS_INPUT; + if (config & ADM1275_VIN_VOUT_SELECT) + info->func[0] |= + PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT; + break; case adm1275: if (config & ADM1275_VIN_VOUT_SELECT) info->func[0] |= @@ -297,24 +378,7 @@ static int adm1275_probe(struct i2c_client *client, break; } - ret = pmbus_do_probe(client, id, info); - if (ret) - goto err_mem; - return 0; - -err_mem: - kfree(data); - return ret; -} - -static int adm1275_remove(struct i2c_client *client) -{ - const struct pmbus_driver_info *info = pmbus_get_driver_info(client); - const struct adm1275_data *data = to_adm1275_data(info); - - pmbus_do_remove(client); - kfree(data); - return 0; + return pmbus_do_probe(client, id, info); } static struct i2c_driver adm1275_driver = { @@ -322,22 +386,12 @@ static struct i2c_driver adm1275_driver = { .name = "adm1275", }, .probe = adm1275_probe, - .remove = adm1275_remove, + .remove = pmbus_do_remove, .id_table = adm1275_id, }; -static int __init adm1275_init(void) -{ - return i2c_add_driver(&adm1275_driver); -} - -static void __exit adm1275_exit(void) -{ - i2c_del_driver(&adm1275_driver); -} +module_i2c_driver(adm1275_driver); MODULE_AUTHOR("Guenter Roeck"); MODULE_DESCRIPTION("PMBus driver for Analog Devices ADM1275 and compatibles"); MODULE_LICENSE("GPL"); -module_init(adm1275_init); -module_exit(adm1275_exit); diff --git a/drivers/hwmon/pmbus/lm25066.c b/drivers/hwmon/pmbus/lm25066.c index 84a37f0c8db..c299392716a 100644 --- a/drivers/hwmon/pmbus/lm25066.c +++ b/drivers/hwmon/pmbus/lm25066.c @@ -176,7 +176,6 @@ static int lm25066_probe(struct i2c_client *client, const struct i2c_device_id *id) { int config; - int ret; struct lm25066_data *data; struct pmbus_driver_info *info; @@ -184,15 +183,14 @@ static int lm25066_probe(struct i2c_client *client, I2C_FUNC_SMBUS_READ_BYTE_DATA)) return -ENODEV; - data = kzalloc(sizeof(struct lm25066_data), GFP_KERNEL); + data = devm_kzalloc(&client->dev, sizeof(struct lm25066_data), + GFP_KERNEL); if (!data) return -ENOMEM; config = i2c_smbus_read_byte_data(client, LM25066_DEVICE_SETUP); - if (config < 0) { - ret = config; - goto err_mem; - } + if (config < 0) + return config; data->id = id->driver_data; info = &data->info; @@ -291,28 +289,10 @@ static int lm25066_probe(struct i2c_client *client, } break; default: - ret = -ENODEV; - goto err_mem; + return -ENODEV; } - ret = pmbus_do_probe(client, id, info); - if (ret) - goto err_mem; - return 0; - -err_mem: - kfree(data); - return ret; -} - -static int lm25066_remove(struct i2c_client *client) -{ - const struct pmbus_driver_info *info = pmbus_get_driver_info(client); - const struct lm25066_data *data = to_lm25066_data(info); - - pmbus_do_remove(client); - kfree(data); - return 0; + return pmbus_do_probe(client, id, info); } static const struct i2c_device_id lm25066_id[] = { @@ -330,22 +310,12 @@ static struct i2c_driver lm25066_driver = { .name = "lm25066", }, .probe = lm25066_probe, - .remove = lm25066_remove, + .remove = pmbus_do_remove, .id_table = lm25066_id, }; -static int __init lm25066_init(void) -{ - return i2c_add_driver(&lm25066_driver); -} - -static void __exit lm25066_exit(void) -{ - i2c_del_driver(&lm25066_driver); -} +module_i2c_driver(lm25066_driver); MODULE_AUTHOR("Guenter Roeck"); MODULE_DESCRIPTION("PMBus driver for LM25066/LM5064/LM5066"); MODULE_LICENSE("GPL"); -module_init(lm25066_init); -module_exit(lm25066_exit); diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c index 820fff48910..9652a2c92a2 100644 --- a/drivers/hwmon/pmbus/ltc2978.c +++ b/drivers/hwmon/pmbus/ltc2978.c @@ -287,7 +287,7 @@ MODULE_DEVICE_TABLE(i2c, ltc2978_id); static int ltc2978_probe(struct i2c_client *client, const struct i2c_device_id *id) { - int chip_id, ret, i; + int chip_id, i; struct ltc2978_data *data; struct pmbus_driver_info *info; @@ -295,15 +295,14 @@ static int ltc2978_probe(struct i2c_client *client, I2C_FUNC_SMBUS_READ_WORD_DATA)) return -ENODEV; - data = kzalloc(sizeof(struct ltc2978_data), GFP_KERNEL); + data = devm_kzalloc(&client->dev, sizeof(struct ltc2978_data), + GFP_KERNEL); if (!data) return -ENOMEM; chip_id = i2c_smbus_read_word_data(client, LTC2978_MFR_SPECIAL_ID); - if (chip_id < 0) { - ret = chip_id; - goto err_mem; - } + if (chip_id < 0) + return chip_id; if (chip_id == LTC2978_ID_REV1 || chip_id == LTC2978_ID_REV2) { data->id = ltc2978; @@ -311,8 +310,7 @@ static int ltc2978_probe(struct i2c_client *client, data->id = ltc3880; } else { dev_err(&client->dev, "Unsupported chip ID 0x%x\n", chip_id); - ret = -ENODEV; - goto err_mem; + return -ENODEV; } if (data->id != id->driver_data) dev_warn(&client->dev, @@ -357,28 +355,10 @@ static int ltc2978_probe(struct i2c_client *client, data->vout_min[1] = 0xffff; break; default: - ret = -ENODEV; - goto err_mem; + return -ENODEV; } - ret = pmbus_do_probe(client, id, info); - if (ret) - goto err_mem; - return 0; - -err_mem: - kfree(data); - return ret; -} - -static int ltc2978_remove(struct i2c_client *client) -{ - const struct pmbus_driver_info *info = pmbus_get_driver_info(client); - const struct ltc2978_data *data = to_ltc2978_data(info); - - pmbus_do_remove(client); - kfree(data); - return 0; + return pmbus_do_probe(client, id, info); } /* This is the driver that will be inserted */ @@ -387,22 +367,12 @@ static struct i2c_driver ltc2978_driver = { .name = "ltc2978", }, .probe = ltc2978_probe, - .remove = ltc2978_remove, + .remove = pmbus_do_remove, .id_table = ltc2978_id, }; -static int __init ltc2978_init(void) -{ - return i2c_add_driver(<c2978_driver); -} - -static void __exit ltc2978_exit(void) -{ - i2c_del_driver(<c2978_driver); -} +module_i2c_driver(ltc2978_driver); MODULE_AUTHOR("Guenter Roeck"); MODULE_DESCRIPTION("PMBus driver for LTC2978 and LTC3880"); MODULE_LICENSE("GPL"); -module_init(ltc2978_init); -module_exit(ltc2978_exit); diff --git a/drivers/hwmon/pmbus/max16064.c b/drivers/hwmon/pmbus/max16064.c index 1d77cf4d2d4..fa237a3c329 100644 --- a/drivers/hwmon/pmbus/max16064.c +++ b/drivers/hwmon/pmbus/max16064.c @@ -103,12 +103,6 @@ static int max16064_probe(struct i2c_client *client, return pmbus_do_probe(client, id, &max16064_info); } -static int max16064_remove(struct i2c_client *client) -{ - pmbus_do_remove(client); - return 0; -} - static const struct i2c_device_id max16064_id[] = { {"max16064", 0}, {} @@ -122,22 +116,12 @@ static struct i2c_driver max16064_driver = { .name = "max16064", }, .probe = max16064_probe, - .remove = max16064_remove, + .remove = pmbus_do_remove, .id_table = max16064_id, }; -static int __init max16064_init(void) -{ - return i2c_add_driver(&max16064_driver); -} - -static void __exit max16064_exit(void) -{ - i2c_del_driver(&max16064_driver); -} +module_i2c_driver(max16064_driver); MODULE_AUTHOR("Guenter Roeck"); MODULE_DESCRIPTION("PMBus driver for Maxim MAX16064"); MODULE_LICENSE("GPL"); -module_init(max16064_init); -module_exit(max16064_exit); diff --git a/drivers/hwmon/pmbus/max34440.c b/drivers/hwmon/pmbus/max34440.c index beaf5a8d9c4..2ada7b021fb 100644 --- a/drivers/hwmon/pmbus/max34440.c +++ b/drivers/hwmon/pmbus/max34440.c @@ -25,34 +25,82 @@ #include <linux/i2c.h> #include "pmbus.h" -enum chips { max34440, max34441 }; +enum chips { max34440, max34441, max34446 }; #define MAX34440_MFR_VOUT_PEAK 0xd4 #define MAX34440_MFR_IOUT_PEAK 0xd5 #define MAX34440_MFR_TEMPERATURE_PEAK 0xd6 +#define MAX34440_MFR_VOUT_MIN 0xd7 + +#define MAX34446_MFR_POUT_PEAK 0xe0 +#define MAX34446_MFR_POUT_AVG 0xe1 +#define MAX34446_MFR_IOUT_AVG 0xe2 +#define MAX34446_MFR_TEMPERATURE_AVG 0xe3 #define MAX34440_STATUS_OC_WARN (1 << 0) #define MAX34440_STATUS_OC_FAULT (1 << 1) #define MAX34440_STATUS_OT_FAULT (1 << 5) #define MAX34440_STATUS_OT_WARN (1 << 6) +struct max34440_data { + int id; + struct pmbus_driver_info info; +}; + +#define to_max34440_data(x) container_of(x, struct max34440_data, info) + static int max34440_read_word_data(struct i2c_client *client, int page, int reg) { int ret; + const struct pmbus_driver_info *info = pmbus_get_driver_info(client); + const struct max34440_data *data = to_max34440_data(info); switch (reg) { + case PMBUS_VIRT_READ_VOUT_MIN: + ret = pmbus_read_word_data(client, page, + MAX34440_MFR_VOUT_MIN); + break; case PMBUS_VIRT_READ_VOUT_MAX: ret = pmbus_read_word_data(client, page, MAX34440_MFR_VOUT_PEAK); break; + case PMBUS_VIRT_READ_IOUT_AVG: + if (data->id != max34446) + return -ENXIO; + ret = pmbus_read_word_data(client, page, + MAX34446_MFR_IOUT_AVG); + break; case PMBUS_VIRT_READ_IOUT_MAX: ret = pmbus_read_word_data(client, page, MAX34440_MFR_IOUT_PEAK); break; + case PMBUS_VIRT_READ_POUT_AVG: + if (data->id != max34446) + return -ENXIO; + ret = pmbus_read_word_data(client, page, + MAX34446_MFR_POUT_AVG); + break; + case PMBUS_VIRT_READ_POUT_MAX: + if (data->id != max34446) + return -ENXIO; + ret = pmbus_read_word_data(client, page, + MAX34446_MFR_POUT_PEAK); + break; + case PMBUS_VIRT_READ_TEMP_AVG: + if (data->id != max34446) + return -ENXIO; + ret = pmbus_read_word_data(client, page, + MAX34446_MFR_TEMPERATURE_AVG); + break; case PMBUS_VIRT_READ_TEMP_MAX: ret = pmbus_read_word_data(client, page, MAX34440_MFR_TEMPERATURE_PEAK); break; + case PMBUS_VIRT_RESET_POUT_HISTORY: + if (data->id != max34446) + return -ENXIO; + ret = 0; + break; case PMBUS_VIRT_RESET_VOUT_HISTORY: case PMBUS_VIRT_RESET_IOUT_HISTORY: case PMBUS_VIRT_RESET_TEMP_HISTORY: @@ -68,21 +116,42 @@ static int max34440_read_word_data(struct i2c_client *client, int page, int reg) static int max34440_write_word_data(struct i2c_client *client, int page, int reg, u16 word) { + const struct pmbus_driver_info *info = pmbus_get_driver_info(client); + const struct max34440_data *data = to_max34440_data(info); int ret; switch (reg) { + case PMBUS_VIRT_RESET_POUT_HISTORY: + ret = pmbus_write_word_data(client, page, + MAX34446_MFR_POUT_PEAK, 0); + if (ret) + break; + ret = pmbus_write_word_data(client, page, + MAX34446_MFR_POUT_AVG, 0); + break; case PMBUS_VIRT_RESET_VOUT_HISTORY: ret = pmbus_write_word_data(client, page, + MAX34440_MFR_VOUT_MIN, 0x7fff); + if (ret) + break; + ret = pmbus_write_word_data(client, page, MAX34440_MFR_VOUT_PEAK, 0); break; case PMBUS_VIRT_RESET_IOUT_HISTORY: ret = pmbus_write_word_data(client, page, MAX34440_MFR_IOUT_PEAK, 0); + if (!ret && data->id == max34446) + ret = pmbus_write_word_data(client, page, + MAX34446_MFR_IOUT_AVG, 0); + break; case PMBUS_VIRT_RESET_TEMP_HISTORY: ret = pmbus_write_word_data(client, page, MAX34440_MFR_TEMPERATURE_PEAK, - 0xffff); + 0x8000); + if (!ret && data->id == max34446) + ret = pmbus_write_word_data(client, page, + MAX34446_MFR_TEMPERATURE_AVG, 0); break; default: ret = -ENODATA; @@ -216,26 +285,66 @@ static struct pmbus_driver_info max34440_info[] = { .read_word_data = max34440_read_word_data, .write_word_data = max34440_write_word_data, }, + [max34446] = { + .pages = 7, + .format[PSC_VOLTAGE_IN] = direct, + .format[PSC_VOLTAGE_OUT] = direct, + .format[PSC_TEMPERATURE] = direct, + .format[PSC_CURRENT_OUT] = direct, + .format[PSC_POWER] = direct, + .m[PSC_VOLTAGE_IN] = 1, + .b[PSC_VOLTAGE_IN] = 0, + .R[PSC_VOLTAGE_IN] = 3, + .m[PSC_VOLTAGE_OUT] = 1, + .b[PSC_VOLTAGE_OUT] = 0, + .R[PSC_VOLTAGE_OUT] = 3, + .m[PSC_CURRENT_OUT] = 1, + .b[PSC_CURRENT_OUT] = 0, + .R[PSC_CURRENT_OUT] = 3, + .m[PSC_POWER] = 1, + .b[PSC_POWER] = 0, + .R[PSC_POWER] = 3, + .m[PSC_TEMPERATURE] = 1, + .b[PSC_TEMPERATURE] = 0, + .R[PSC_TEMPERATURE] = 2, + .func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT + | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_POUT, + .func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT + | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, + .func[2] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT + | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_POUT, + .func[3] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT + | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, + .func[4] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, + .func[5] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, + .func[6] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, + .read_byte_data = max34440_read_byte_data, + .read_word_data = max34440_read_word_data, + .write_word_data = max34440_write_word_data, + }, }; static int max34440_probe(struct i2c_client *client, const struct i2c_device_id *id) { - return pmbus_do_probe(client, id, &max34440_info[id->driver_data]); -} + struct max34440_data *data; -static int max34440_remove(struct i2c_client *client) -{ - pmbus_do_remove(client); - return 0; + data = devm_kzalloc(&client->dev, sizeof(struct max34440_data), + GFP_KERNEL); + if (!data) + return -ENOMEM; + data->id = id->driver_data; + data->info = max34440_info[id->driver_data]; + + return pmbus_do_probe(client, id, &data->info); } static const struct i2c_device_id max34440_id[] = { {"max34440", max34440}, {"max34441", max34441}, + {"max34446", max34446}, {} }; - MODULE_DEVICE_TABLE(i2c, max34440_id); /* This is the driver that will be inserted */ @@ -244,22 +353,12 @@ static struct i2c_driver max34440_driver = { .name = "max34440", }, .probe = max34440_probe, - .remove = max34440_remove, + .remove = pmbus_do_remove, .id_table = max34440_id, }; -static int __init max34440_init(void) -{ - return i2c_add_driver(&max34440_driver); -} - -static void __exit max34440_exit(void) -{ - i2c_del_driver(&max34440_driver); -} +module_i2c_driver(max34440_driver); MODULE_AUTHOR("Guenter Roeck"); MODULE_DESCRIPTION("PMBus driver for Maxim MAX34440/MAX34441"); MODULE_LICENSE("GPL"); -module_init(max34440_init); -module_exit(max34440_exit); diff --git a/drivers/hwmon/pmbus/max8688.c b/drivers/hwmon/pmbus/max8688.c index e2b74bb399b..f04454a42fd 100644 --- a/drivers/hwmon/pmbus/max8688.c +++ b/drivers/hwmon/pmbus/max8688.c @@ -180,12 +180,6 @@ static int max8688_probe(struct i2c_client *client, return pmbus_do_probe(client, id, &max8688_info); } -static int max8688_remove(struct i2c_client *client) -{ - pmbus_do_remove(client); - return 0; -} - static const struct i2c_device_id max8688_id[] = { {"max8688", 0}, { } @@ -199,22 +193,12 @@ static struct i2c_driver max8688_driver = { .name = "max8688", }, .probe = max8688_probe, - .remove = max8688_remove, + .remove = pmbus_do_remove, .id_table = max8688_id, }; -static int __init max8688_init(void) -{ - return i2c_add_driver(&max8688_driver); -} - -static void __exit max8688_exit(void) -{ - i2c_del_driver(&max8688_driver); -} +module_i2c_driver(max8688_driver); MODULE_AUTHOR("Guenter Roeck"); MODULE_DESCRIPTION("PMBus driver for Maxim MAX8688"); MODULE_LICENSE("GPL"); -module_init(max8688_init); -module_exit(max8688_exit); diff --git a/drivers/hwmon/pmbus/pmbus.c b/drivers/hwmon/pmbus/pmbus.c index 18a385e753d..7e91700131a 100644 --- a/drivers/hwmon/pmbus/pmbus.c +++ b/drivers/hwmon/pmbus/pmbus.c @@ -166,33 +166,16 @@ static int pmbus_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct pmbus_driver_info *info; - int ret; - info = kzalloc(sizeof(struct pmbus_driver_info), GFP_KERNEL); + info = devm_kzalloc(&client->dev, sizeof(struct pmbus_driver_info), + GFP_KERNEL); if (!info) return -ENOMEM; info->pages = id->driver_data; info->identify = pmbus_identify; - ret = pmbus_do_probe(client, id, info); - if (ret < 0) - goto out; - return 0; - -out: - kfree(info); - return ret; -} - -static int pmbus_remove(struct i2c_client *client) -{ - const struct pmbus_driver_info *info; - - info = pmbus_get_driver_info(client); - pmbus_do_remove(client); - kfree(info); - return 0; + return pmbus_do_probe(client, id, info); } /* @@ -202,12 +185,15 @@ static const struct i2c_device_id pmbus_id[] = { {"adp4000", 1}, {"bmr453", 1}, {"bmr454", 1}, + {"mdt040", 1}, {"ncp4200", 1}, {"ncp4208", 1}, {"pdt003", 1}, {"pdt006", 1}, {"pdt012", 1}, {"pmbus", 0}, + {"tps40400", 1}, + {"tps40422", 2}, {"udt020", 1}, {} }; @@ -220,22 +206,12 @@ static struct i2c_driver pmbus_driver = { .name = "pmbus", }, .probe = pmbus_probe, - .remove = pmbus_remove, + .remove = pmbus_do_remove, .id_table = pmbus_id, }; -static int __init pmbus_init(void) -{ - return i2c_add_driver(&pmbus_driver); -} - -static void __exit pmbus_exit(void) -{ - i2c_del_driver(&pmbus_driver); -} +module_i2c_driver(pmbus_driver); MODULE_AUTHOR("Guenter Roeck"); MODULE_DESCRIPTION("Generic PMBus driver"); MODULE_LICENSE("GPL"); -module_init(pmbus_init); -module_exit(pmbus_exit); diff --git a/drivers/hwmon/pmbus/pmbus.h b/drivers/hwmon/pmbus/pmbus.h index 5d31d1c2c0f..3fe03dc47eb 100644 --- a/drivers/hwmon/pmbus/pmbus.h +++ b/drivers/hwmon/pmbus/pmbus.h @@ -146,31 +146,36 @@ * code when reading or writing virtual registers. */ #define PMBUS_VIRT_BASE 0x100 -#define PMBUS_VIRT_READ_TEMP_MIN (PMBUS_VIRT_BASE + 0) -#define PMBUS_VIRT_READ_TEMP_MAX (PMBUS_VIRT_BASE + 1) -#define PMBUS_VIRT_RESET_TEMP_HISTORY (PMBUS_VIRT_BASE + 2) -#define PMBUS_VIRT_READ_VIN_AVG (PMBUS_VIRT_BASE + 3) -#define PMBUS_VIRT_READ_VIN_MIN (PMBUS_VIRT_BASE + 4) -#define PMBUS_VIRT_READ_VIN_MAX (PMBUS_VIRT_BASE + 5) -#define PMBUS_VIRT_RESET_VIN_HISTORY (PMBUS_VIRT_BASE + 6) -#define PMBUS_VIRT_READ_IIN_AVG (PMBUS_VIRT_BASE + 7) -#define PMBUS_VIRT_READ_IIN_MIN (PMBUS_VIRT_BASE + 8) -#define PMBUS_VIRT_READ_IIN_MAX (PMBUS_VIRT_BASE + 9) -#define PMBUS_VIRT_RESET_IIN_HISTORY (PMBUS_VIRT_BASE + 10) -#define PMBUS_VIRT_READ_PIN_AVG (PMBUS_VIRT_BASE + 11) -#define PMBUS_VIRT_READ_PIN_MAX (PMBUS_VIRT_BASE + 12) -#define PMBUS_VIRT_RESET_PIN_HISTORY (PMBUS_VIRT_BASE + 13) -#define PMBUS_VIRT_READ_VOUT_AVG (PMBUS_VIRT_BASE + 14) -#define PMBUS_VIRT_READ_VOUT_MIN (PMBUS_VIRT_BASE + 15) -#define PMBUS_VIRT_READ_VOUT_MAX (PMBUS_VIRT_BASE + 16) -#define PMBUS_VIRT_RESET_VOUT_HISTORY (PMBUS_VIRT_BASE + 17) -#define PMBUS_VIRT_READ_IOUT_AVG (PMBUS_VIRT_BASE + 18) -#define PMBUS_VIRT_READ_IOUT_MIN (PMBUS_VIRT_BASE + 19) -#define PMBUS_VIRT_READ_IOUT_MAX (PMBUS_VIRT_BASE + 20) -#define PMBUS_VIRT_RESET_IOUT_HISTORY (PMBUS_VIRT_BASE + 21) -#define PMBUS_VIRT_READ_TEMP2_MIN (PMBUS_VIRT_BASE + 22) -#define PMBUS_VIRT_READ_TEMP2_MAX (PMBUS_VIRT_BASE + 23) -#define PMBUS_VIRT_RESET_TEMP2_HISTORY (PMBUS_VIRT_BASE + 24) +#define PMBUS_VIRT_READ_TEMP_AVG (PMBUS_VIRT_BASE + 0) +#define PMBUS_VIRT_READ_TEMP_MIN (PMBUS_VIRT_BASE + 1) +#define PMBUS_VIRT_READ_TEMP_MAX (PMBUS_VIRT_BASE + 2) +#define PMBUS_VIRT_RESET_TEMP_HISTORY (PMBUS_VIRT_BASE + 3) +#define PMBUS_VIRT_READ_VIN_AVG (PMBUS_VIRT_BASE + 4) +#define PMBUS_VIRT_READ_VIN_MIN (PMBUS_VIRT_BASE + 5) +#define PMBUS_VIRT_READ_VIN_MAX (PMBUS_VIRT_BASE + 6) +#define PMBUS_VIRT_RESET_VIN_HISTORY (PMBUS_VIRT_BASE + 7) +#define PMBUS_VIRT_READ_IIN_AVG (PMBUS_VIRT_BASE + 8) +#define PMBUS_VIRT_READ_IIN_MIN (PMBUS_VIRT_BASE + 9) +#define PMBUS_VIRT_READ_IIN_MAX (PMBUS_VIRT_BASE + 10) +#define PMBUS_VIRT_RESET_IIN_HISTORY (PMBUS_VIRT_BASE + 11) +#define PMBUS_VIRT_READ_PIN_AVG (PMBUS_VIRT_BASE + 12) +#define PMBUS_VIRT_READ_PIN_MAX (PMBUS_VIRT_BASE + 13) +#define PMBUS_VIRT_RESET_PIN_HISTORY (PMBUS_VIRT_BASE + 14) +#define PMBUS_VIRT_READ_POUT_AVG (PMBUS_VIRT_BASE + 15) +#define PMBUS_VIRT_READ_POUT_MAX (PMBUS_VIRT_BASE + 16) +#define PMBUS_VIRT_RESET_POUT_HISTORY (PMBUS_VIRT_BASE + 17) +#define PMBUS_VIRT_READ_VOUT_AVG (PMBUS_VIRT_BASE + 18) +#define PMBUS_VIRT_READ_VOUT_MIN (PMBUS_VIRT_BASE + 19) +#define PMBUS_VIRT_READ_VOUT_MAX (PMBUS_VIRT_BASE + 20) +#define PMBUS_VIRT_RESET_VOUT_HISTORY (PMBUS_VIRT_BASE + 21) +#define PMBUS_VIRT_READ_IOUT_AVG (PMBUS_VIRT_BASE + 22) +#define PMBUS_VIRT_READ_IOUT_MIN (PMBUS_VIRT_BASE + 23) +#define PMBUS_VIRT_READ_IOUT_MAX (PMBUS_VIRT_BASE + 24) +#define PMBUS_VIRT_RESET_IOUT_HISTORY (PMBUS_VIRT_BASE + 25) +#define PMBUS_VIRT_READ_TEMP2_AVG (PMBUS_VIRT_BASE + 26) +#define PMBUS_VIRT_READ_TEMP2_MIN (PMBUS_VIRT_BASE + 27) +#define PMBUS_VIRT_READ_TEMP2_MAX (PMBUS_VIRT_BASE + 28) +#define PMBUS_VIRT_RESET_TEMP2_HISTORY (PMBUS_VIRT_BASE + 29) /* * CAPABILITY @@ -364,7 +369,7 @@ bool pmbus_check_byte_register(struct i2c_client *client, int page, int reg); bool pmbus_check_word_register(struct i2c_client *client, int page, int reg); int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id, struct pmbus_driver_info *info); -void pmbus_do_remove(struct i2c_client *client); +int pmbus_do_remove(struct i2c_client *client); const struct pmbus_driver_info *pmbus_get_driver_info(struct i2c_client *client); diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index 00460d8d842..be51037363c 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -40,11 +40,14 @@ #define PMBUS_IOUT_SENSORS_PER_PAGE 8 /* input, min, max, crit, lowest, highest, avg, reset */ -#define PMBUS_POUT_SENSORS_PER_PAGE 4 /* input, cap, max, crit */ +#define PMBUS_POUT_SENSORS_PER_PAGE 7 /* input, cap, max, crit, + * highest, avg, reset + */ #define PMBUS_MAX_SENSORS_PER_FAN 1 /* input */ -#define PMBUS_MAX_SENSORS_PER_TEMP 8 /* input, min, max, lcrit, - crit, lowest, highest, - reset */ +#define PMBUS_MAX_SENSORS_PER_TEMP 9 /* input, min, max, lcrit, + * crit, lowest, highest, avg, + * reset + */ #define PMBUS_MAX_INPUT_BOOLEANS 7 /* v: min_alarm, max_alarm, lcrit_alarm, crit_alarm; @@ -54,7 +57,8 @@ lcrit_alarm, crit_alarm */ #define PMBUS_IOUT_BOOLEANS_PER_PAGE 3 /* alarm, lcrit_alarm, crit_alarm */ -#define PMBUS_POUT_BOOLEANS_PER_PAGE 2 /* alarm, crit_alarm */ +#define PMBUS_POUT_BOOLEANS_PER_PAGE 3 /* cap_alarm, alarm, crit_alarm + */ #define PMBUS_MAX_BOOLEANS_PER_FAN 2 /* alarm, fault */ #define PMBUS_MAX_BOOLEANS_PER_TEMP 4 /* min_alarm, max_alarm, lcrit_alarm, crit_alarm */ @@ -781,7 +785,7 @@ static ssize_t pmbus_set_sensor(struct device *dev, int ret; u16 regval; - if (strict_strtol(buf, 10, &val) < 0) + if (kstrtol(buf, 10, &val) < 0) return -EINVAL; mutex_lock(&data->update_lock); @@ -1333,6 +1337,17 @@ static const struct pmbus_limit_attr pout_limit_attrs[] = { .attr = "crit", .alarm = "crit_alarm", .sbit = PB_POUT_OP_FAULT, + }, { + .reg = PMBUS_VIRT_READ_POUT_AVG, + .update = true, + .attr = "average", + }, { + .reg = PMBUS_VIRT_READ_POUT_MAX, + .update = true, + .attr = "input_highest", + }, { + .reg = PMBUS_VIRT_RESET_POUT_HISTORY, + .attr = "reset_history", } }; @@ -1388,6 +1403,9 @@ static const struct pmbus_limit_attr temp_limit_attrs[] = { .reg = PMBUS_VIRT_READ_TEMP_MIN, .attr = "lowest", }, { + .reg = PMBUS_VIRT_READ_TEMP_AVG, + .attr = "average", + }, { .reg = PMBUS_VIRT_READ_TEMP_MAX, .attr = "highest", }, { @@ -1423,6 +1441,9 @@ static const struct pmbus_limit_attr temp_limit_attrs2[] = { .reg = PMBUS_VIRT_READ_TEMP2_MIN, .attr = "lowest", }, { + .reg = PMBUS_VIRT_READ_TEMP2_AVG, + .attr = "average", + }, { .reg = PMBUS_VIRT_READ_TEMP2_MAX, .attr = "highest", }, { @@ -1675,7 +1696,7 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id, | I2C_FUNC_SMBUS_WORD_DATA)) return -ENODEV; - data = kzalloc(sizeof(*data), GFP_KERNEL); + data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL); if (!data) { dev_err(&client->dev, "No memory to allocate driver data\n"); return -ENOMEM; @@ -1687,8 +1708,7 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id, /* Bail out if PMBus status register does not exist. */ if (i2c_smbus_read_byte_data(client, PMBUS_STATUS_BYTE) < 0) { dev_err(&client->dev, "PMBus status register not found\n"); - ret = -ENODEV; - goto out_data; + return -ENODEV; } if (pdata) @@ -1701,50 +1721,49 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id, ret = (*info->identify)(client, info); if (ret < 0) { dev_err(&client->dev, "Chip identification failed\n"); - goto out_data; + return ret; } } if (info->pages <= 0 || info->pages > PMBUS_PAGES) { dev_err(&client->dev, "Bad number of PMBus pages: %d\n", info->pages); - ret = -ENODEV; - goto out_data; + return -ENODEV; } ret = pmbus_identify_common(client, data); if (ret < 0) { dev_err(&client->dev, "Failed to identify chip capabilities\n"); - goto out_data; + return ret; } ret = -ENOMEM; - data->sensors = kzalloc(sizeof(struct pmbus_sensor) * data->max_sensors, - GFP_KERNEL); + data->sensors = devm_kzalloc(&client->dev, sizeof(struct pmbus_sensor) + * data->max_sensors, GFP_KERNEL); if (!data->sensors) { dev_err(&client->dev, "No memory to allocate sensor data\n"); - goto out_data; + return -ENOMEM; } - data->booleans = kzalloc(sizeof(struct pmbus_boolean) + data->booleans = devm_kzalloc(&client->dev, sizeof(struct pmbus_boolean) * data->max_booleans, GFP_KERNEL); if (!data->booleans) { dev_err(&client->dev, "No memory to allocate boolean data\n"); - goto out_sensors; + return -ENOMEM; } - data->labels = kzalloc(sizeof(struct pmbus_label) * data->max_labels, - GFP_KERNEL); + data->labels = devm_kzalloc(&client->dev, sizeof(struct pmbus_label) + * data->max_labels, GFP_KERNEL); if (!data->labels) { dev_err(&client->dev, "No memory to allocate label data\n"); - goto out_booleans; + return -ENOMEM; } - data->attributes = kzalloc(sizeof(struct attribute *) - * data->max_attributes, GFP_KERNEL); + data->attributes = devm_kzalloc(&client->dev, sizeof(struct attribute *) + * data->max_attributes, GFP_KERNEL); if (!data->attributes) { dev_err(&client->dev, "No memory to allocate attribute data\n"); - goto out_labels; + return -ENOMEM; } pmbus_find_attributes(client, data); @@ -1755,8 +1774,7 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id, */ if (!data->num_attributes) { dev_err(&client->dev, "No attributes found\n"); - ret = -ENODEV; - goto out_attributes; + return -ENODEV; } /* Register sysfs hooks */ @@ -1764,7 +1782,7 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id, ret = sysfs_create_group(&client->dev.kobj, &data->group); if (ret) { dev_err(&client->dev, "Failed to create sysfs entries\n"); - goto out_attributes; + return ret; } data->hwmon_dev = hwmon_device_register(&client->dev); if (IS_ERR(data->hwmon_dev)) { @@ -1776,30 +1794,16 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id, out_hwmon_device_register: sysfs_remove_group(&client->dev.kobj, &data->group); -out_attributes: - kfree(data->attributes); -out_labels: - kfree(data->labels); -out_booleans: - kfree(data->booleans); -out_sensors: - kfree(data->sensors); -out_data: - kfree(data); return ret; } EXPORT_SYMBOL_GPL(pmbus_do_probe); -void pmbus_do_remove(struct i2c_client *client) +int pmbus_do_remove(struct i2c_client *client) { struct pmbus_data *data = i2c_get_clientdata(client); hwmon_device_unregister(data->hwmon_dev); sysfs_remove_group(&client->dev.kobj, &data->group); - kfree(data->attributes); - kfree(data->labels); - kfree(data->booleans); - kfree(data->sensors); - kfree(data); + return 0; } EXPORT_SYMBOL_GPL(pmbus_do_remove); diff --git a/drivers/hwmon/pmbus/ucd9000.c b/drivers/hwmon/pmbus/ucd9000.c index 4ff6cf289f8..fbb1479d3ad 100644 --- a/drivers/hwmon/pmbus/ucd9000.c +++ b/drivers/hwmon/pmbus/ucd9000.c @@ -155,7 +155,8 @@ static int ucd9000_probe(struct i2c_client *client, "Device mismatch: Configured %s, detected %s\n", id->name, mid->name); - data = kzalloc(sizeof(struct ucd9000_data), GFP_KERNEL); + data = devm_kzalloc(&client->dev, sizeof(struct ucd9000_data), + GFP_KERNEL); if (!data) return -ENOMEM; info = &data->info; @@ -164,13 +165,12 @@ static int ucd9000_probe(struct i2c_client *client, if (ret < 0) { dev_err(&client->dev, "Failed to read number of active pages\n"); - goto out; + return ret; } info->pages = ret; if (!info->pages) { dev_err(&client->dev, "No pages configured\n"); - ret = -ENODEV; - goto out; + return -ENODEV; } /* The internal temperature sensor is always active */ @@ -181,8 +181,7 @@ static int ucd9000_probe(struct i2c_client *client, block_buffer); if (ret <= 0) { dev_err(&client->dev, "Failed to read configuration data\n"); - ret = -ENODEV; - goto out; + return -ENODEV; } for (i = 0; i < ret; i++) { int page = UCD9000_MON_PAGE(block_buffer[i]); @@ -218,7 +217,7 @@ static int ucd9000_probe(struct i2c_client *client, UCD9000_FAN_CONFIG, data->fan_data[i]); if (ret < 0) - goto out; + return ret; } i2c_smbus_write_byte_data(client, UCD9000_FAN_CONFIG_INDEX, 0); @@ -227,49 +226,21 @@ static int ucd9000_probe(struct i2c_client *client, | PMBUS_HAVE_FAN34 | PMBUS_HAVE_STATUS_FAN34; } - ret = pmbus_do_probe(client, mid, info); - if (ret < 0) - goto out; - return 0; - -out: - kfree(data); - return ret; -} - -static int ucd9000_remove(struct i2c_client *client) -{ - struct ucd9000_data *data; - - data = to_ucd9000_data(pmbus_get_driver_info(client)); - pmbus_do_remove(client); - kfree(data); - return 0; + return pmbus_do_probe(client, mid, info); } - /* This is the driver that will be inserted */ static struct i2c_driver ucd9000_driver = { .driver = { .name = "ucd9000", }, .probe = ucd9000_probe, - .remove = ucd9000_remove, + .remove = pmbus_do_remove, .id_table = ucd9000_id, }; -static int __init ucd9000_init(void) -{ - return i2c_add_driver(&ucd9000_driver); -} - -static void __exit ucd9000_exit(void) -{ - i2c_del_driver(&ucd9000_driver); -} +module_i2c_driver(ucd9000_driver); MODULE_AUTHOR("Guenter Roeck"); MODULE_DESCRIPTION("PMBus driver for TI UCD90xxx"); MODULE_LICENSE("GPL"); -module_init(ucd9000_init); -module_exit(ucd9000_exit); diff --git a/drivers/hwmon/pmbus/ucd9200.c b/drivers/hwmon/pmbus/ucd9200.c index 6e1c1a80ab8..033d6aca47d 100644 --- a/drivers/hwmon/pmbus/ucd9200.c +++ b/drivers/hwmon/pmbus/ucd9200.c @@ -81,7 +81,8 @@ static int ucd9200_probe(struct i2c_client *client, "Device mismatch: Configured %s, detected %s\n", id->name, mid->name); - info = kzalloc(sizeof(struct pmbus_driver_info), GFP_KERNEL); + info = devm_kzalloc(&client->dev, sizeof(struct pmbus_driver_info), + GFP_KERNEL); if (!info) return -ENOMEM; @@ -89,7 +90,7 @@ static int ucd9200_probe(struct i2c_client *client, block_buffer); if (ret < 0) { dev_err(&client->dev, "Failed to read phase information\n"); - goto out; + return ret; } /* @@ -106,8 +107,7 @@ static int ucd9200_probe(struct i2c_client *client, } if (!info->pages) { dev_err(&client->dev, "No rails configured\n"); - ret = -ENODEV; - goto out; + return -ENODEV; } dev_info(&client->dev, "%d rails configured\n", info->pages); @@ -137,7 +137,7 @@ static int ucd9200_probe(struct i2c_client *client, if (ret < 0) { dev_err(&client->dev, "Failed to initialize PHASE registers\n"); - goto out; + return ret; } } if (info->pages > 1) @@ -160,48 +160,21 @@ static int ucd9200_probe(struct i2c_client *client, if (mid->driver_data == ucd9240) info->func[0] |= PMBUS_HAVE_FAN12 | PMBUS_HAVE_STATUS_FAN12; - ret = pmbus_do_probe(client, mid, info); - if (ret < 0) - goto out; - return 0; -out: - kfree(info); - return ret; -} - -static int ucd9200_remove(struct i2c_client *client) -{ - const struct pmbus_driver_info *info; - - info = pmbus_get_driver_info(client); - pmbus_do_remove(client); - kfree(info); - return 0; + return pmbus_do_probe(client, mid, info); } - /* This is the driver that will be inserted */ static struct i2c_driver ucd9200_driver = { .driver = { .name = "ucd9200", }, .probe = ucd9200_probe, - .remove = ucd9200_remove, + .remove = pmbus_do_remove, .id_table = ucd9200_id, }; -static int __init ucd9200_init(void) -{ - return i2c_add_driver(&ucd9200_driver); -} - -static void __exit ucd9200_exit(void) -{ - i2c_del_driver(&ucd9200_driver); -} +module_i2c_driver(ucd9200_driver); MODULE_AUTHOR("Guenter Roeck"); MODULE_DESCRIPTION("PMBus driver for TI UCD922x, UCD924x"); MODULE_LICENSE("GPL"); -module_init(ucd9200_init); -module_exit(ucd9200_exit); diff --git a/drivers/hwmon/pmbus/zl6100.c b/drivers/hwmon/pmbus/zl6100.c index 48c7b4a716a..fc5eed8e85b 100644 --- a/drivers/hwmon/pmbus/zl6100.c +++ b/drivers/hwmon/pmbus/zl6100.c @@ -28,11 +28,13 @@ #include <linux/delay.h> #include "pmbus.h" -enum chips { zl2004, zl2005, zl2006, zl2008, zl2105, zl2106, zl6100, zl6105 }; +enum chips { zl2004, zl2005, zl2006, zl2008, zl2105, zl2106, zl6100, zl6105, + zl9101, zl9117 }; struct zl6100_data { int id; ktime_t access; /* chip access time */ + int delay; /* Delay between chip accesses in uS */ struct pmbus_driver_info info; }; @@ -52,10 +54,10 @@ MODULE_PARM_DESC(delay, "Delay between chip accesses in uS"); /* Some chips need a delay between accesses */ static inline void zl6100_wait(const struct zl6100_data *data) { - if (delay) { + if (data->delay) { s64 delta = ktime_us_delta(ktime_get(), data->access); - if (delta < delay) - udelay(delay - delta); + if (delta < data->delay) + udelay(data->delay - delta); } } @@ -151,6 +153,8 @@ static const struct i2c_device_id zl6100_id[] = { {"zl2106", zl2106}, {"zl6100", zl6100}, {"zl6105", zl6105}, + {"zl9101", zl9101}, + {"zl9117", zl9117}, { } }; MODULE_DEVICE_TABLE(i2c, zl6100_id); @@ -192,23 +196,19 @@ static int zl6100_probe(struct i2c_client *client, "Device mismatch: Configured %s, detected %s\n", id->name, mid->name); - data = kzalloc(sizeof(struct zl6100_data), GFP_KERNEL); + data = devm_kzalloc(&client->dev, sizeof(struct zl6100_data), + GFP_KERNEL); if (!data) return -ENOMEM; data->id = mid->driver_data; /* - * ZL2005, ZL2008, ZL2105, and ZL6100 are known to require a wait time - * between I2C accesses. ZL2004 and ZL6105 are known to be safe. - * Other chips have not yet been tested. - * - * Only clear the wait time for chips known to be safe. The wait time - * can be cleared later for additional chips if tests show that it - * is not needed (in other words, better be safe than sorry). + * According to information from the chip vendor, all currently + * supported chips are known to require a wait time between I2C + * accesses. */ - if (data->id == zl2004 || data->id == zl6105) - delay = 0; + data->delay = delay; /* * Since there was a direct I2C device access above, wait before @@ -227,7 +227,8 @@ static int zl6100_probe(struct i2c_client *client, ret = i2c_smbus_read_word_data(client, ZL6100_MFR_CONFIG); if (ret < 0) - goto err_mem; + return ret; + if (ret & ZL6100_MFR_XTEMP_ENABLE) info->func[0] |= PMBUS_HAVE_TEMP2; @@ -239,24 +240,7 @@ static int zl6100_probe(struct i2c_client *client, info->write_word_data = zl6100_write_word_data; info->write_byte = zl6100_write_byte; - ret = pmbus_do_probe(client, mid, info); - if (ret) - goto err_mem; - return 0; - -err_mem: - kfree(data); - return ret; -} - -static int zl6100_remove(struct i2c_client *client) -{ - const struct pmbus_driver_info *info = pmbus_get_driver_info(client); - const struct zl6100_data *data = to_zl6100_data(info); - - pmbus_do_remove(client); - kfree(data); - return 0; + return pmbus_do_probe(client, mid, info); } static struct i2c_driver zl6100_driver = { @@ -264,22 +248,12 @@ static struct i2c_driver zl6100_driver = { .name = "zl6100", }, .probe = zl6100_probe, - .remove = zl6100_remove, + .remove = pmbus_do_remove, .id_table = zl6100_id, }; -static int __init zl6100_init(void) -{ - return i2c_add_driver(&zl6100_driver); -} - -static void __exit zl6100_exit(void) -{ - i2c_del_driver(&zl6100_driver); -} +module_i2c_driver(zl6100_driver); MODULE_AUTHOR("Guenter Roeck"); MODULE_DESCRIPTION("PMBus driver for ZL6100 and compatibles"); MODULE_LICENSE("GPL"); -module_init(zl6100_init); -module_exit(zl6100_exit); |