diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:35:05 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:31 +0000 |
| commit | 85c675d0d09a45a135bddd15d7b385f8758c32fb (patch) | |
| tree | 76267dbc9b9a130337be3640948fe397b04ac629 /drivers/hwmon | |
| parent | Adding upstream version 6.6.15. (diff) | |
| download | linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.tar.xz linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.zip | |
Adding upstream version 6.7.7.upstream/6.7.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/hwmon')
54 files changed, 1871 insertions, 364 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index ec38c88921..cf27523eed 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -40,7 +40,7 @@ comment "Native drivers" config SENSORS_ABITUGURU tristate "Abit uGuru (rev 1 & 2)" - depends on X86 && DMI + depends on (X86 && DMI) || COMPILE_TEST help If you say yes here you get support for the sensor part of the first and second revision of the Abit uGuru chip. The voltage and frequency @@ -55,7 +55,7 @@ config SENSORS_ABITUGURU config SENSORS_ABITUGURU3 tristate "Abit uGuru (rev 3)" - depends on X86 && DMI + depends on (X86 && DMI) || COMPILE_TEST help If you say yes here you get support for the sensor part of the third revision of the Abit uGuru chip. Only reading the sensors @@ -839,6 +839,16 @@ config SENSORS_JC42 This driver can also be built as a module. If so, the module will be called jc42. +config SENSORS_POWERZ + tristate "ChargerLAB POWER-Z USB-C tester" + depends on USB + help + If you say yes here you get support for ChargerLAB POWER-Z series of + USB-C charging testers. + + This driver can also be built as a module. If so, the module + will be called powerz. + config SENSORS_POWR1220 tristate "Lattice POWR1220 Power Monitoring" depends on I2C @@ -932,6 +942,17 @@ config SENSORS_LTC2990 This driver can also be built as a module. If so, the module will be called ltc2990. +config SENSORS_LTC2991 + tristate "Analog Devices LTC2991" + depends on I2C + help + If you say yes here you get support for Analog Devices LTC2991 + Octal I2C Voltage, Current, and Temperature Monitor. The LTC2991 + supports a combination of voltage, current and temperature monitoring. + + This driver can also be built as a module. If so, the module will + be called ltc2991. + config SENSORS_LTC2992 tristate "Linear Technology LTC2992" depends on I2C @@ -1909,6 +1930,7 @@ config SENSORS_SMSC47B397 config SENSORS_SCH56XX_COMMON tristate + select REGMAP config SENSORS_SCH5627 tristate "SMSC SCH5627" diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index 4ac9452b54..e84bd9685b 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -127,6 +127,7 @@ obj-$(CONFIG_SENSORS_LTC2947) += ltc2947-core.o obj-$(CONFIG_SENSORS_LTC2947_I2C) += ltc2947-i2c.o obj-$(CONFIG_SENSORS_LTC2947_SPI) += ltc2947-spi.o obj-$(CONFIG_SENSORS_LTC2990) += ltc2990.o +obj-$(CONFIG_SENSORS_LTC2991) += ltc2991.o obj-$(CONFIG_SENSORS_LTC2992) += ltc2992.o obj-$(CONFIG_SENSORS_LTC4151) += ltc4151.o obj-$(CONFIG_SENSORS_LTC4215) += ltc4215.o @@ -176,6 +177,7 @@ obj-$(CONFIG_SENSORS_OXP) += oxp-sensors.o obj-$(CONFIG_SENSORS_PC87360) += pc87360.o obj-$(CONFIG_SENSORS_PC87427) += pc87427.o obj-$(CONFIG_SENSORS_PCF8591) += pcf8591.o +obj-$(CONFIG_SENSORS_POWERZ) += powerz.o obj-$(CONFIG_SENSORS_POWR1220) += powr1220.o obj-$(CONFIG_SENSORS_PWM_FAN) += pwm-fan.o obj-$(CONFIG_SENSORS_RASPBERRYPI_HWMON) += raspberrypi-hwmon.o diff --git a/drivers/hwmon/abituguru.c b/drivers/hwmon/abituguru.c index a7cae65681..93653ea054 100644 --- a/drivers/hwmon/abituguru.c +++ b/drivers/hwmon/abituguru.c @@ -1428,7 +1428,7 @@ abituguru_probe_error: return res; } -static int abituguru_remove(struct platform_device *pdev) +static void abituguru_remove(struct platform_device *pdev) { int i; struct abituguru_data *data = platform_get_drvdata(pdev); @@ -1439,8 +1439,6 @@ static int abituguru_remove(struct platform_device *pdev) for (i = 0; i < ARRAY_SIZE(abituguru_sysfs_attr); i++) device_remove_file(&pdev->dev, &abituguru_sysfs_attr[i].dev_attr); - - return 0; } static struct abituguru_data *abituguru_update_device(struct device *dev) @@ -1533,7 +1531,7 @@ static struct platform_driver abituguru_driver = { .pm = pm_sleep_ptr(&abituguru_pm), }, .probe = abituguru_probe, - .remove = abituguru_remove, + .remove_new = abituguru_remove, }; static int __init abituguru_detect(void) diff --git a/drivers/hwmon/abituguru3.c b/drivers/hwmon/abituguru3.c index afb21f7303..4501f0e49e 100644 --- a/drivers/hwmon/abituguru3.c +++ b/drivers/hwmon/abituguru3.c @@ -1061,7 +1061,7 @@ abituguru3_probe_error: return res; } -static int abituguru3_remove(struct platform_device *pdev) +static void abituguru3_remove(struct platform_device *pdev) { int i; struct abituguru3_data *data = platform_get_drvdata(pdev); @@ -1072,7 +1072,6 @@ static int abituguru3_remove(struct platform_device *pdev) for (i = 0; i < ARRAY_SIZE(abituguru3_sysfs_attr); i++) device_remove_file(&pdev->dev, &abituguru3_sysfs_attr[i].dev_attr); - return 0; } static struct abituguru3_data *abituguru3_update_device(struct device *dev) @@ -1153,7 +1152,7 @@ static struct platform_driver abituguru3_driver = { .pm = pm_sleep_ptr(&abituguru3_pm), }, .probe = abituguru3_probe, - .remove = abituguru3_remove, + .remove_new = abituguru3_remove, }; static int __init abituguru3_dmi_detect(void) diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c index b772c076a5..703666b95b 100644 --- a/drivers/hwmon/acpi_power_meter.c +++ b/drivers/hwmon/acpi_power_meter.c @@ -800,14 +800,13 @@ static int read_capabilities(struct acpi_power_meter_resource *resource) goto error; } - *str = kcalloc(element->string.length + 1, sizeof(u8), - GFP_KERNEL); + *str = kmemdup_nul(element->string.pointer, element->string.length, + GFP_KERNEL); if (!*str) { res = -ENOMEM; goto error; } - strncpy(*str, element->string.pointer, element->string.length); str++; } diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c index 03acadc3a6..4224ffb304 100644 --- a/drivers/hwmon/adt7475.c +++ b/drivers/hwmon/adt7475.c @@ -43,6 +43,7 @@ /* 7475 Common Registers */ #define REG_DEVREV2 0x12 /* ADT7490 only */ +#define REG_IMON 0x1D /* ADT7490 only */ #define REG_VTT 0x1E /* ADT7490 only */ #define REG_EXTEND3 0x1F /* ADT7490 only */ @@ -103,6 +104,9 @@ #define REG_VTT_MIN 0x84 /* ADT7490 only */ #define REG_VTT_MAX 0x86 /* ADT7490 only */ +#define REG_IMON_MIN 0x85 /* ADT7490 only */ +#define REG_IMON_MAX 0x87 /* ADT7490 only */ + #define VID_VIDSEL 0x80 /* ADT7476 only */ #define CONFIG2_ATTN 0x20 @@ -123,7 +127,7 @@ /* ADT7475 Settings */ -#define ADT7475_VOLTAGE_COUNT 5 /* Not counting Vtt */ +#define ADT7475_VOLTAGE_COUNT 5 /* Not counting Vtt or Imon */ #define ADT7475_TEMP_COUNT 3 #define ADT7475_TACH_COUNT 4 #define ADT7475_PWM_COUNT 3 @@ -204,7 +208,7 @@ struct adt7475_data { u8 has_fan4:1; u8 has_vid:1; u32 alarms; - u16 voltage[3][6]; + u16 voltage[3][7]; u16 temp[7][3]; u16 tach[2][4]; u8 pwm[4][3]; @@ -215,7 +219,7 @@ struct adt7475_data { u8 vid; u8 vrm; - const struct attribute_group *groups[9]; + const struct attribute_group *groups[10]; }; static struct i2c_driver adt7475_driver; @@ -273,13 +277,14 @@ static inline u16 rpm2tach(unsigned long rpm) } /* Scaling factors for voltage inputs, taken from the ADT7490 datasheet */ -static const int adt7473_in_scaling[ADT7475_VOLTAGE_COUNT + 1][2] = { +static const int adt7473_in_scaling[ADT7475_VOLTAGE_COUNT + 2][2] = { { 45, 94 }, /* +2.5V */ { 175, 525 }, /* Vccp */ { 68, 71 }, /* Vcc */ { 93, 47 }, /* +5V */ { 120, 20 }, /* +12V */ { 45, 45 }, /* Vtt */ + { 45, 45 }, /* Imon */ }; static inline int reg2volt(int channel, u16 reg, u8 bypass_attn) @@ -369,11 +374,16 @@ static ssize_t voltage_store(struct device *dev, reg = VOLTAGE_MIN_REG(sattr->index); else reg = VOLTAGE_MAX_REG(sattr->index); - } else { + } else if (sattr->index == 5) { if (sattr->nr == MIN) reg = REG_VTT_MIN; else reg = REG_VTT_MAX; + } else { + if (sattr->nr == MIN) + reg = REG_IMON_MIN; + else + reg = REG_IMON_MAX; } i2c_smbus_write_byte_data(client, reg, @@ -1104,6 +1114,10 @@ static SENSOR_DEVICE_ATTR_2_RO(in5_input, voltage, INPUT, 5); static SENSOR_DEVICE_ATTR_2_RW(in5_max, voltage, MAX, 5); static SENSOR_DEVICE_ATTR_2_RW(in5_min, voltage, MIN, 5); static SENSOR_DEVICE_ATTR_2_RO(in5_alarm, voltage, ALARM, 31); +static SENSOR_DEVICE_ATTR_2_RO(in6_input, voltage, INPUT, 6); +static SENSOR_DEVICE_ATTR_2_RW(in6_max, voltage, MAX, 6); +static SENSOR_DEVICE_ATTR_2_RW(in6_min, voltage, MIN, 6); +static SENSOR_DEVICE_ATTR_2_RO(in6_alarm, voltage, ALARM, 30); static SENSOR_DEVICE_ATTR_2_RO(temp1_input, temp, INPUT, 0); static SENSOR_DEVICE_ATTR_2_RO(temp1_alarm, temp, ALARM, 0); static SENSOR_DEVICE_ATTR_2_RO(temp1_fault, temp, FAULT, 0); @@ -1294,6 +1308,14 @@ static struct attribute *in5_attrs[] = { NULL }; +static struct attribute *in6_attrs[] = { + &sensor_dev_attr_in6_input.dev_attr.attr, + &sensor_dev_attr_in6_max.dev_attr.attr, + &sensor_dev_attr_in6_min.dev_attr.attr, + &sensor_dev_attr_in6_alarm.dev_attr.attr, + NULL +}; + static struct attribute *vid_attrs[] = { &dev_attr_cpu0_vid.attr, &dev_attr_vrm.attr, @@ -1307,6 +1329,7 @@ static const struct attribute_group in0_attr_group = { .attrs = in0_attrs }; static const struct attribute_group in3_attr_group = { .attrs = in3_attrs }; static const struct attribute_group in4_attr_group = { .attrs = in4_attrs }; static const struct attribute_group in5_attr_group = { .attrs = in5_attrs }; +static const struct attribute_group in6_attr_group = { .attrs = in6_attrs }; static const struct attribute_group vid_attr_group = { .attrs = vid_attrs }; static int adt7475_detect(struct i2c_client *client, @@ -1389,6 +1412,18 @@ static int adt7475_update_limits(struct i2c_client *client) data->voltage[MAX][5] = ret << 2; } + if (data->has_voltage & (1 << 6)) { + ret = adt7475_read(REG_IMON_MIN); + if (ret < 0) + return ret; + data->voltage[MIN][6] = ret << 2; + + ret = adt7475_read(REG_IMON_MAX); + if (ret < 0) + return ret; + data->voltage[MAX][6] = ret << 2; + } + for (i = 0; i < ADT7475_TEMP_COUNT; i++) { /* Adjust values so they match the input precision */ ret = adt7475_read(TEMP_MIN_REG(i)); @@ -1663,7 +1698,7 @@ static int adt7475_probe(struct i2c_client *client) revision = adt7475_read(REG_DEVID2) & 0x07; break; case adt7490: - data->has_voltage = 0x3e; /* in1 to in5 */ + data->has_voltage = 0x7e; /* in1 to in6 */ revision = adt7475_read(REG_DEVID2) & 0x03; if (revision == 0x03) revision += adt7475_read(REG_DEVREV2); @@ -1775,6 +1810,9 @@ static int adt7475_probe(struct i2c_client *client) if (data->has_voltage & (1 << 5)) { data->groups[group_num++] = &in5_attr_group; } + if (data->has_voltage & (1 << 6)) { + data->groups[group_num++] = &in6_attr_group; + } if (data->has_vid) { data->vrm = vid_which_vrm(); data->groups[group_num] = &vid_attr_group; @@ -1960,6 +1998,24 @@ static int adt7475_update_measure(struct device *dev) ((ext >> 4) & 3); } + if (data->has_voltage & (1 << 6)) { + ret = adt7475_read(REG_STATUS4); + if (ret < 0) + return ret; + data->alarms |= ret << 24; + + ret = adt7475_read(REG_EXTEND3); + if (ret < 0) + return ret; + ext = ret; + + ret = adt7475_read(REG_IMON); + if (ret < 0) + return ret; + data->voltage[INPUT][6] = ret << 2 | + ((ext >> 6) & 3); + } + for (i = 0; i < ADT7475_TACH_COUNT; i++) { if (i == 3 && !data->has_fan4) continue; diff --git a/drivers/hwmon/aquacomputer_d5next.c b/drivers/hwmon/aquacomputer_d5next.c index 023807859b..4fdd2e1242 100644 --- a/drivers/hwmon/aquacomputer_d5next.c +++ b/drivers/hwmon/aquacomputer_d5next.c @@ -1,11 +1,12 @@ // SPDX-License-Identifier: GPL-2.0+ /* * hwmon driver for Aquacomputer devices (D5 Next, Farbwerk, Farbwerk 360, Octo, - * Quadro, High Flow Next, Aquaero, Aquastream Ultimate, Leakshield) + * Quadro, High Flow Next, Aquaero, Aquastream Ultimate, Leakshield, + * High Flow USB/MPS Flow family) * * Aquacomputer devices send HID reports (with ID 0x01) every second to report * sensor values, except for devices that communicate through the - * legacy way (currently, Poweradjust 3). + * legacy way (currently, Poweradjust 3 and High Flow USB/MPS Flow family). * * Copyright 2021 Aleksa Savic <savicaleksa83@gmail.com> * Copyright 2022 Jack Doan <me@jackdoan.com> @@ -35,11 +36,12 @@ #define USB_PRODUCT_ID_AQUASTREAMXT 0xf0b6 #define USB_PRODUCT_ID_AQUASTREAMULT 0xf00b #define USB_PRODUCT_ID_POWERADJUST3 0xf0bd +#define USB_PRODUCT_ID_HIGHFLOW 0xf003 enum kinds { d5next, farbwerk, farbwerk360, octo, quadro, highflownext, aquaero, poweradjust3, aquastreamult, - aquastreamxt, leakshield + aquastreamxt, leakshield, highflow }; static const char *const aqc_device_names[] = { @@ -53,7 +55,8 @@ static const char *const aqc_device_names[] = { [aquastreamxt] = "aquastreamxt", [aquaero] = "aquaero", [aquastreamult] = "aquastreamultimate", - [poweradjust3] = "poweradjust3" + [poweradjust3] = "poweradjust3", + [highflow] = "highflow" /* Covers MPS Flow devices */ }; #define DRIVER_NAME "aquacomputer_d5next" @@ -90,6 +93,8 @@ static u8 aquaero_secondary_ctrl_report[] = { #define POWERADJUST3_STATUS_REPORT_ID 0x03 +#define HIGHFLOW_STATUS_REPORT_ID 0x02 + /* Data types for reading and writing control reports */ #define AQC_8 0 #define AQC_BE16 1 @@ -282,6 +287,17 @@ static u16 aquastreamxt_sensor_fan_offsets[] = { 0x13, 0x1b }; /* Sensor report offsets for the Poweradjust 3 */ #define POWERADJUST3_SENSOR_START 0x03 +/* Specs of the High Flow USB */ +#define HIGHFLOW_NUM_SENSORS 2 +#define HIGHFLOW_NUM_FLOW_SENSORS 1 +#define HIGHFLOW_SENSOR_REPORT_SIZE 0x76 + +/* Sensor report offsets for the High Flow USB */ +#define HIGHFLOW_FIRMWARE_VERSION 0x3 +#define HIGHFLOW_SERIAL_START 0x9 +#define HIGHFLOW_FLOW_SENSOR_OFFSET 0x23 +#define HIGHFLOW_SENSOR_START 0x2b + /* Labels for D5 Next */ static const char *const label_d5next_temp[] = { "Coolant temp" @@ -486,6 +502,16 @@ static const char *const label_poweradjust3_temp_sensors[] = { "External sensor" }; +/* Labels for Highflow */ +static const char *const label_highflow_temp[] = { + "External temp", + "Internal temp" +}; + +static const char *const label_highflow_speeds[] = { + "Flow speed [dL/h]" +}; + struct aqc_fan_structure_offsets { u8 voltage; u8 curr; @@ -819,6 +845,7 @@ static umode_t aqc_is_visible(const void *data, enum hwmon_sensor_types type, u3 break; case aquaero: case quadro: + case highflow: /* Special case to support flow sensors */ if (channel < priv->num_fans + priv->num_flow_sensors) return 0444; @@ -926,7 +953,10 @@ static int aqc_legacy_read(struct aqc_data *priv) for (i = 0; i < priv->num_temp_sensors; i++) { sensor_value = get_unaligned_le16(priv->buffer + priv->temp_sensor_start_offset + i * AQC_SENSOR_SIZE); - priv->temp_input[i] = sensor_value * 10; + if (sensor_value == AQC_SENSOR_NA) + priv->temp_input[i] = -ENODATA; + else + priv->temp_input[i] = sensor_value * 10; } /* Special-case sensor readings */ @@ -962,6 +992,17 @@ static int aqc_legacy_read(struct aqc_data *priv) sensor_value = get_unaligned_le16(priv->buffer + AQUASTREAMXT_FAN_VOLTAGE_OFFSET); priv->voltage_input[1] = DIV_ROUND_CLOSEST(sensor_value * 1000, 63); break; + case highflow: + /* Info provided with every report */ + priv->serial_number[0] = get_unaligned_le16(priv->buffer + + priv->serial_number_start_offset); + priv->firmware_version = + get_unaligned_le16(priv->buffer + priv->firmware_version_offset); + + /* Read flow speed */ + priv->speed_input[0] = get_unaligned_le16(priv->buffer + + priv->flow_sensors_start_offset); + break; default: break; } @@ -1747,6 +1788,20 @@ static int aqc_probe(struct hid_device *hdev, const struct hid_device_id *id) priv->temp_label = label_poweradjust3_temp_sensors; break; + case USB_PRODUCT_ID_HIGHFLOW: + priv->kind = highflow; + + priv->num_fans = 0; + + priv->num_temp_sensors = HIGHFLOW_NUM_SENSORS; + priv->temp_sensor_start_offset = HIGHFLOW_SENSOR_START; + priv->num_flow_sensors = HIGHFLOW_NUM_FLOW_SENSORS; + priv->flow_sensors_start_offset = HIGHFLOW_FLOW_SENSOR_OFFSET; + priv->buffer_size = HIGHFLOW_SENSOR_REPORT_SIZE; + + priv->temp_label = label_highflow_temp; + priv->speed_label = label_highflow_speeds; + break; default: break; } @@ -1772,6 +1827,12 @@ static int aqc_probe(struct hid_device *hdev, const struct hid_device_id *id) priv->status_report_id = AQUASTREAMXT_STATUS_REPORT_ID; break; + case highflow: + priv->serial_number_start_offset = HIGHFLOW_SERIAL_START; + priv->firmware_version_offset = HIGHFLOW_FIRMWARE_VERSION; + + priv->status_report_id = HIGHFLOW_STATUS_REPORT_ID; + break; default: priv->serial_number_start_offset = AQC_SERIAL_START; priv->firmware_version_offset = AQC_FIRMWARE_VERSION; @@ -1846,6 +1907,7 @@ static const struct hid_device_id aqc_table[] = { { HID_USB_DEVICE(USB_VENDOR_ID_AQUACOMPUTER, USB_PRODUCT_ID_AQUASTREAMXT) }, { HID_USB_DEVICE(USB_VENDOR_ID_AQUACOMPUTER, USB_PRODUCT_ID_AQUASTREAMULT) }, { HID_USB_DEVICE(USB_VENDOR_ID_AQUACOMPUTER, USB_PRODUCT_ID_POWERADJUST3) }, + { HID_USB_DEVICE(USB_VENDOR_ID_AQUACOMPUTER, USB_PRODUCT_ID_HIGHFLOW) }, { } }; diff --git a/drivers/hwmon/aspeed-pwm-tacho.c b/drivers/hwmon/aspeed-pwm-tacho.c index 997df4b405..b2ae2176f1 100644 --- a/drivers/hwmon/aspeed-pwm-tacho.c +++ b/drivers/hwmon/aspeed-pwm-tacho.c @@ -193,6 +193,8 @@ struct aspeed_pwm_tacho_data { u8 fan_tach_ch_source[16]; struct aspeed_cooling_device *cdev[8]; const struct attribute_group *groups[3]; + /* protects access to shared ASPEED_PTCR_RESULT */ + struct mutex tach_lock; }; enum type { TYPEM, TYPEN, TYPEO }; @@ -527,6 +529,8 @@ static int aspeed_get_fan_tach_ch_rpm(struct aspeed_pwm_tacho_data *priv, u8 fan_tach_ch_source, type, mode, both; int ret; + mutex_lock(&priv->tach_lock); + regmap_write(priv->regmap, ASPEED_PTCR_TRIGGER, 0); regmap_write(priv->regmap, ASPEED_PTCR_TRIGGER, 0x1 << fan_tach_ch); @@ -544,6 +548,8 @@ static int aspeed_get_fan_tach_ch_rpm(struct aspeed_pwm_tacho_data *priv, ASPEED_RPM_STATUS_SLEEP_USEC, usec); + mutex_unlock(&priv->tach_lock); + /* return -ETIMEDOUT if we didn't get an answer. */ if (ret) return ret; @@ -903,6 +909,7 @@ static int aspeed_pwm_tacho_probe(struct platform_device *pdev) priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; + mutex_init(&priv->tach_lock); priv->regmap = devm_regmap_init(dev, NULL, (__force void *)regs, &aspeed_pwm_tacho_regmap_config); if (IS_ERR(priv->regmap)) diff --git a/drivers/hwmon/asus-ec-sensors.c b/drivers/hwmon/asus-ec-sensors.c index 51f9c2db40..36f9e38000 100644 --- a/drivers/hwmon/asus-ec-sensors.c +++ b/drivers/hwmon/asus-ec-sensors.c @@ -244,6 +244,8 @@ static const struct ec_sensor_info sensors_family_amd_600[] = { EC_SENSOR("Motherboard", hwmon_temp, 1, 0x00, 0x32), [ec_sensor_temp_vrm] = EC_SENSOR("VRM", hwmon_temp, 1, 0x00, 0x33), + [ec_sensor_temp_t_sensor] = + EC_SENSOR("T_Sensor", hwmon_temp, 1, 0x00, 0x36), [ec_sensor_temp_water_in] = EC_SENSOR("Water_In", hwmon_temp, 1, 0x01, 0x00), [ec_sensor_temp_water_out] = @@ -344,6 +346,14 @@ static const struct ec_board_info board_info_crosshair_x670e_hero = { .family = family_amd_600_series, }; +static const struct ec_board_info board_info_crosshair_x670e_gene = { + .sensors = SENSOR_TEMP_CPU | SENSOR_TEMP_CPU_PACKAGE | + SENSOR_TEMP_T_SENSOR | + SENSOR_TEMP_MB | SENSOR_TEMP_VRM, + .mutex_path = ACPI_GLOBAL_LOCK_PSEUDO_PATH, + .family = family_amd_600_series, +}; + static const struct ec_board_info board_info_crosshair_viii_dark_hero = { .sensors = SENSOR_SET_TEMP_CHIPSET_CPU_MB | SENSOR_TEMP_T_SENSOR | @@ -490,6 +500,8 @@ static const struct dmi_system_id dmi_table[] = { &board_info_crosshair_viii_hero), DMI_EXACT_MATCH_ASUS_BOARD_NAME("ROG CROSSHAIR X670E HERO", &board_info_crosshair_x670e_hero), + DMI_EXACT_MATCH_ASUS_BOARD_NAME("ROG CROSSHAIR X670E GENE", + &board_info_crosshair_x670e_gene), DMI_EXACT_MATCH_ASUS_BOARD_NAME("ROG MAXIMUS XI HERO", &board_info_maximus_xi_hero), DMI_EXACT_MATCH_ASUS_BOARD_NAME("ROG MAXIMUS XI HERO (WI-FI)", diff --git a/drivers/hwmon/asus_wmi_sensors.c b/drivers/hwmon/asus_wmi_sensors.c index 6e8a908171..c2dd7ff882 100644 --- a/drivers/hwmon/asus_wmi_sensors.c +++ b/drivers/hwmon/asus_wmi_sensors.c @@ -300,7 +300,7 @@ static int asus_wmi_sensor_info(int index, struct asus_wmi_sensor_info *s) goto out_free_obj; } - strncpy(s->name, name_obj.string.pointer, sizeof(s->name) - 1); + strscpy(s->name, name_obj.string.pointer, sizeof(s->name)); data_type_obj = obj->package.elements[1]; if (data_type_obj.type != ACPI_TYPE_INTEGER) { diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index ba82d1e79c..b8fc8d1ef2 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -41,7 +41,7 @@ MODULE_PARM_DESC(tjmax, "TjMax value in degrees Celsius"); #define PKG_SYSFS_ATTR_NO 1 /* Sysfs attribute for package temp */ #define BASE_SYSFS_ATTR_NO 2 /* Sysfs Base attr no for coretemp */ -#define NUM_REAL_CORES 128 /* Number of Real cores per cpu */ +#define NUM_REAL_CORES 512 /* Number of Real cores per cpu */ #define CORETEMP_NAME_LENGTH 28 /* String Length of attrs */ #define MAX_CORE_ATTRS 4 /* Maximum no of basic attrs */ #define TOTAL_ATTRS (MAX_CORE_ATTRS + 1) @@ -419,7 +419,7 @@ static ssize_t show_temp(struct device *dev, } static int create_core_attrs(struct temp_data *tdata, struct device *dev, - int attr_no) + int index) { int i; static ssize_t (*const rd_ptr[TOTAL_ATTRS]) (struct device *dev, @@ -431,13 +431,20 @@ static int create_core_attrs(struct temp_data *tdata, struct device *dev, }; for (i = 0; i < tdata->attr_size; i++) { + /* + * We map the attr number to core id of the CPU + * The attr number is always core id + 2 + * The Pkgtemp will always show up as temp1_*, if available + */ + int attr_no = tdata->is_pkg_data ? 1 : tdata->cpu_core_id + 2; + snprintf(tdata->attr_name[i], CORETEMP_NAME_LENGTH, "temp%d_%s", attr_no, suffixes[i]); sysfs_attr_init(&tdata->sd_attrs[i].dev_attr.attr); tdata->sd_attrs[i].dev_attr.attr.name = tdata->attr_name[i]; tdata->sd_attrs[i].dev_attr.attr.mode = 0444; tdata->sd_attrs[i].dev_attr.show = rd_ptr[i]; - tdata->sd_attrs[i].index = attr_no; + tdata->sd_attrs[i].index = index; tdata->attrs[i] = &tdata->sd_attrs[i].dev_attr.attr; } tdata->attr_group.attrs = tdata->attrs; @@ -495,30 +502,25 @@ static int create_core_data(struct platform_device *pdev, unsigned int cpu, struct platform_data *pdata = platform_get_drvdata(pdev); struct cpuinfo_x86 *c = &cpu_data(cpu); u32 eax, edx; - int err, index, attr_no; + int err, index; if (!housekeeping_cpu(cpu, HK_TYPE_MISC)) return 0; /* - * Find attr number for sysfs: - * We map the attr number to core id of the CPU - * The attr number is always core id + 2 - * The Pkgtemp will always show up as temp1_*, if available + * Get the index of tdata in pdata->core_data[] + * tdata for package: pdata->core_data[1] + * tdata for core: pdata->core_data[2] .. pdata->core_data[NUM_REAL_CORES + 1] */ if (pkg_flag) { - attr_no = PKG_SYSFS_ATTR_NO; + index = PKG_SYSFS_ATTR_NO; } else { - index = ida_alloc(&pdata->ida, GFP_KERNEL); + index = ida_alloc_max(&pdata->ida, NUM_REAL_CORES - 1, GFP_KERNEL); if (index < 0) return index; - pdata->cpu_map[index] = topology_core_id(cpu); - attr_no = index + BASE_SYSFS_ATTR_NO; - } - if (attr_no > MAX_CORE_DATA - 1) { - err = -ERANGE; - goto ida_free; + pdata->cpu_map[index] = topology_core_id(cpu); + index += BASE_SYSFS_ATTR_NO; } tdata = init_temp_data(cpu, pkg_flag); @@ -544,20 +546,20 @@ static int create_core_data(struct platform_device *pdev, unsigned int cpu, if (get_ttarget(tdata, &pdev->dev) >= 0) tdata->attr_size++; - pdata->core_data[attr_no] = tdata; + pdata->core_data[index] = tdata; /* Create sysfs interfaces */ - err = create_core_attrs(tdata, pdata->hwmon_dev, attr_no); + err = create_core_attrs(tdata, pdata->hwmon_dev, index); if (err) goto exit_free; return 0; exit_free: - pdata->core_data[attr_no] = NULL; + pdata->core_data[index] = NULL; kfree(tdata); ida_free: if (!pkg_flag) - ida_free(&pdata->ida, index); + ida_free(&pdata->ida, index - BASE_SYSFS_ATTR_NO); return err; } diff --git a/drivers/hwmon/da9052-hwmon.c b/drivers/hwmon/da9052-hwmon.c index ed6c5df94f..2bd7ae8100 100644 --- a/drivers/hwmon/da9052-hwmon.c +++ b/drivers/hwmon/da9052-hwmon.c @@ -479,7 +479,7 @@ exit_regulator: return err; } -static int da9052_hwmon_remove(struct platform_device *pdev) +static void da9052_hwmon_remove(struct platform_device *pdev) { struct da9052_hwmon *hwmon = platform_get_drvdata(pdev); @@ -487,13 +487,11 @@ static int da9052_hwmon_remove(struct platform_device *pdev) da9052_free_irq(hwmon->da9052, DA9052_IRQ_TSIREADY, hwmon); regulator_disable(hwmon->tsiref); } - - return 0; } static struct platform_driver da9052_hwmon_driver = { .probe = da9052_hwmon_probe, - .remove = da9052_hwmon_remove, + .remove_new = da9052_hwmon_remove, .driver = { .name = "da9052-hwmon", }, diff --git a/drivers/hwmon/dme1737.c b/drivers/hwmon/dme1737.c index cdbf3dff91..3dcef22104 100644 --- a/drivers/hwmon/dme1737.c +++ b/drivers/hwmon/dme1737.c @@ -2710,14 +2710,12 @@ exit_remove_files: return err; } -static int dme1737_isa_remove(struct platform_device *pdev) +static void dme1737_isa_remove(struct platform_device *pdev) { struct dme1737_data *data = platform_get_drvdata(pdev); hwmon_device_unregister(data->hwmon_dev); dme1737_remove_files(&pdev->dev); - - return 0; } static struct platform_driver dme1737_isa_driver = { @@ -2725,7 +2723,7 @@ static struct platform_driver dme1737_isa_driver = { .name = "dme1737", }, .probe = dme1737_isa_probe, - .remove = dme1737_isa_remove, + .remove_new = dme1737_isa_remove, }; /* --------------------------------------------------------------------- diff --git a/drivers/hwmon/f71805f.c b/drivers/hwmon/f71805f.c index 7f20edb067..243c570dee 100644 --- a/drivers/hwmon/f71805f.c +++ b/drivers/hwmon/f71805f.c @@ -1480,7 +1480,7 @@ exit_remove_files: return err; } -static int f71805f_remove(struct platform_device *pdev) +static void f71805f_remove(struct platform_device *pdev) { struct f71805f_data *data = platform_get_drvdata(pdev); int i; @@ -1490,8 +1490,6 @@ static int f71805f_remove(struct platform_device *pdev) for (i = 0; i < 4; i++) sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_optin[i]); sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_pwm_freq); - - return 0; } static struct platform_driver f71805f_driver = { @@ -1499,7 +1497,7 @@ static struct platform_driver f71805f_driver = { .name = DRVNAME, }, .probe = f71805f_probe, - .remove = f71805f_remove, + .remove_new = f71805f_remove, }; static int __init f71805f_device_add(unsigned short address, diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c index 27207ec6f7..7c941d320a 100644 --- a/drivers/hwmon/f71882fg.c +++ b/drivers/hwmon/f71882fg.c @@ -2223,7 +2223,7 @@ static int f71882fg_create_fan_sysfs_files( return err; } -static int f71882fg_remove(struct platform_device *pdev) +static void f71882fg_remove(struct platform_device *pdev) { struct f71882fg_data *data = platform_get_drvdata(pdev); int nr_fans = f71882fg_nr_fans[data->type]; @@ -2333,7 +2333,6 @@ static int f71882fg_remove(struct platform_device *pdev) ARRAY_SIZE(fxxxx_auto_pwm_attr[0]) * nr_fans); } } - return 0; } static int f71882fg_probe(struct platform_device *pdev) @@ -2659,7 +2658,7 @@ static struct platform_driver f71882fg_driver = { .name = DRVNAME, }, .probe = f71882fg_probe, - .remove = f71882fg_remove, + .remove_new = f71882fg_remove, }; static int __init f71882fg_init(void) diff --git a/drivers/hwmon/fam15h_power.c b/drivers/hwmon/fam15h_power.c index 521534d5c1..6307112c2c 100644 --- a/drivers/hwmon/fam15h_power.c +++ b/drivers/hwmon/fam15h_power.c @@ -17,6 +17,7 @@ #include <linux/cpumask.h> #include <linux/time.h> #include <linux/sched.h> +#include <linux/topology.h> #include <asm/processor.h> #include <asm/msr.h> @@ -134,15 +135,13 @@ static DEVICE_ATTR_RO(power1_crit); static void do_read_registers_on_cu(void *_data) { struct fam15h_power_data *data = _data; - int cpu, cu; - - cpu = smp_processor_id(); + int cu; /* * With the new x86 topology modelling, cpu core id actually * is compute unit id. */ - cu = cpu_data(cpu).cpu_core_id; + cu = topology_core_id(smp_processor_id()); rdmsrl_safe(MSR_F15H_CU_PWR_ACCUMULATOR, &data->cu_acc_power[cu]); rdmsrl_safe(MSR_F15H_PTSC, &data->cpu_sw_pwr_ptsc[cu]); diff --git a/drivers/hwmon/hp-wmi-sensors.c b/drivers/hwmon/hp-wmi-sensors.c index 17ae62f88b..b5325d0e72 100644 --- a/drivers/hwmon/hp-wmi-sensors.c +++ b/drivers/hwmon/hp-wmi-sensors.c @@ -17,6 +17,8 @@ * Available: https://github.com/linuxhw/ACPI * [4] P. Rohár, "bmfdec - Decompile binary MOF file (BMF) from WMI buffer", * 2017. [Online]. Available: https://github.com/pali/bmfdec + * [5] Microsoft Corporation, "Driver-Defined WMI Data Items", 2017. [Online]. + * Available: https://learn.microsoft.com/en-us/windows-hardware/drivers/kernel/driver-defined-wmi-data-items */ #include <linux/acpi.h> @@ -24,6 +26,7 @@ #include <linux/hwmon.h> #include <linux/jiffies.h> #include <linux/mutex.h> +#include <linux/nls.h> #include <linux/units.h> #include <linux/wmi.h> @@ -395,6 +398,50 @@ struct hp_wmi_sensors { struct mutex lock; /* Lock polling WMI and driver state changes. */ }; +static bool is_raw_wmi_string(const u8 *pointer, u32 length) +{ + const u16 *ptr; + u16 len; + + /* WMI strings are length-prefixed UTF-16 [5]. */ + if (length <= sizeof(*ptr)) + return false; + + length -= sizeof(*ptr); + ptr = (const u16 *)pointer; + len = *ptr; + + return len <= length && !(len & 1); +} + +static char *convert_raw_wmi_string(const u8 *buf) +{ + const wchar_t *src; + unsigned int cps; + unsigned int len; + char *dst; + int i; + + src = (const wchar_t *)buf; + + /* Count UTF-16 code points. Exclude trailing null padding. */ + cps = *src / sizeof(*src); + while (cps && !src[cps]) + cps--; + + /* Each code point becomes up to 3 UTF-8 characters. */ + len = min(cps * 3, HP_WMI_MAX_STR_SIZE - 1); + + dst = kmalloc((len + 1) * sizeof(*dst), GFP_KERNEL); + if (!dst) + return NULL; + + i = utf16s_to_utf8s(++src, cps, UTF16_LITTLE_ENDIAN, dst, len); + dst[i] = '\0'; + + return dst; +} + /* hp_wmi_strdup - devm_kstrdup, but length-limited */ static char *hp_wmi_strdup(struct device *dev, const char *src) { @@ -412,6 +459,23 @@ static char *hp_wmi_strdup(struct device *dev, const char *src) return dst; } +/* hp_wmi_wstrdup - hp_wmi_strdup, but for a raw WMI string */ +static char *hp_wmi_wstrdup(struct device *dev, const u8 *buf) +{ + char *src; + char *dst; + + src = convert_raw_wmi_string(buf); + if (!src) + return NULL; + + dst = hp_wmi_strdup(dev, strim(src)); /* Note: Copy is trimmed. */ + + kfree(src); + + return dst; +} + /* * hp_wmi_get_wobj - poll WMI for a WMI object instance * @guid: WMI object GUID @@ -462,8 +526,14 @@ static int check_wobj(const union acpi_object *wobj, for (prop = 0; prop <= last_prop; prop++) { type = elements[prop].type; valid_type = property_map[prop]; - if (type != valid_type) + if (type != valid_type) { + if (type == ACPI_TYPE_BUFFER && + valid_type == ACPI_TYPE_STRING && + is_raw_wmi_string(elements[prop].buffer.pointer, + elements[prop].buffer.length)) + continue; return -EINVAL; + } } return 0; @@ -480,7 +550,9 @@ static int extract_acpi_value(struct device *dev, break; case ACPI_TYPE_STRING: - *out_string = hp_wmi_strdup(dev, strim(element->string.pointer)); + *out_string = element->type == ACPI_TYPE_BUFFER ? + hp_wmi_wstrdup(dev, element->buffer.pointer) : + hp_wmi_strdup(dev, strim(element->string.pointer)); if (!*out_string) return -ENOMEM; break; @@ -861,7 +933,9 @@ update_numeric_sensor_from_wobj(struct device *dev, { const union acpi_object *elements; const union acpi_object *element; - const char *string; + const char *new_string; + char *trimmed; + char *string; bool is_new; int offset; u8 size; @@ -885,11 +959,21 @@ update_numeric_sensor_from_wobj(struct device *dev, offset = is_new ? size - 1 : -2; element = &elements[HP_WMI_PROPERTY_CURRENT_STATE + offset]; - string = strim(element->string.pointer); - - if (strcmp(string, nsensor->current_state)) { - devm_kfree(dev, nsensor->current_state); - nsensor->current_state = hp_wmi_strdup(dev, string); + string = element->type == ACPI_TYPE_BUFFER ? + convert_raw_wmi_string(element->buffer.pointer) : + element->string.pointer; + + if (string) { + trimmed = strim(string); + if (strcmp(trimmed, nsensor->current_state)) { + new_string = hp_wmi_strdup(dev, trimmed); + if (new_string) { + devm_kfree(dev, nsensor->current_state); + nsensor->current_state = new_string; + } + } + if (element->type == ACPI_TYPE_BUFFER) + kfree(string); } /* Old variant: -2 (not -1) because it lacks the Size property. */ @@ -996,11 +1080,15 @@ static int check_event_wobj(const union acpi_object *wobj) HP_WMI_EVENT_PROPERTY_STATUS); } -static int populate_event_from_wobj(struct hp_wmi_event *event, +static int populate_event_from_wobj(struct device *dev, + struct hp_wmi_event *event, union acpi_object *wobj) { int prop = HP_WMI_EVENT_PROPERTY_NAME; union acpi_object *element; + acpi_object_type type; + char *string; + u32 value; int err; err = check_event_wobj(wobj); @@ -1009,20 +1097,24 @@ static int populate_event_from_wobj(struct hp_wmi_event *event, element = wobj->package.elements; - /* Extracted strings are NOT device-managed copies. */ - for (; prop <= HP_WMI_EVENT_PROPERTY_CATEGORY; prop++, element++) { + type = hp_wmi_event_property_map[prop]; + + err = extract_acpi_value(dev, element, type, &value, &string); + if (err) + return err; + switch (prop) { case HP_WMI_EVENT_PROPERTY_NAME: - event->name = strim(element->string.pointer); + event->name = string; break; case HP_WMI_EVENT_PROPERTY_DESCRIPTION: - event->description = strim(element->string.pointer); + event->description = string; break; case HP_WMI_EVENT_PROPERTY_CATEGORY: - event->category = element->integer.value; + event->category = value; break; default: @@ -1511,8 +1603,8 @@ static void hp_wmi_notify(u32 value, void *context) struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL }; struct hp_wmi_sensors *state = context; struct device *dev = &state->wdev->dev; + struct hp_wmi_event event = {}; struct hp_wmi_info *fan_info; - struct hp_wmi_event event; union acpi_object *wobj; acpi_status err; int event_type; @@ -1546,7 +1638,7 @@ static void hp_wmi_notify(u32 value, void *context) wobj = out.pointer; - err = populate_event_from_wobj(&event, wobj); + err = populate_event_from_wobj(dev, &event, wobj); if (err) { dev_warn(dev, "Bad event data (ACPI type %d)\n", wobj->type); goto out_free_wobj; @@ -1577,6 +1669,9 @@ static void hp_wmi_notify(u32 value, void *context) out_free_wobj: kfree(wobj); + devm_kfree(dev, event.name); + devm_kfree(dev, event.description); + out_unlock: mutex_unlock(&state->lock); } diff --git a/drivers/hwmon/hs3001.c b/drivers/hwmon/hs3001.c index ac574e46d0..01ea9a3062 100644 --- a/drivers/hwmon/hs3001.c +++ b/drivers/hwmon/hs3001.c @@ -62,7 +62,7 @@ static u32 hs3001_extract_humidity(u16 raw) { u32 hum = (raw & HS3001_MASK_HUMIDITY_0X3FFF) * HS3001_FIXPOINT_ARITH * 100; - return hum /= (1 << 14) - 1; + return hum / (1 << 14) - 1; } static int hs3001_data_fetch_command(struct i2c_client *client, diff --git a/drivers/hwmon/i5k_amb.c b/drivers/hwmon/i5k_amb.c index 783fa936e4..ff48913fe6 100644 --- a/drivers/hwmon/i5k_amb.c +++ b/drivers/hwmon/i5k_amb.c @@ -555,7 +555,7 @@ err: return res; } -static int i5k_amb_remove(struct platform_device *pdev) +static void i5k_amb_remove(struct platform_device *pdev) { int i; struct i5k_amb_data *data = platform_get_drvdata(pdev); @@ -568,7 +568,6 @@ static int i5k_amb_remove(struct platform_device *pdev) iounmap(data->amb_mmio); release_mem_region(data->amb_base, data->amb_len); kfree(data); - return 0; } static struct platform_driver i5k_amb_driver = { @@ -576,7 +575,7 @@ static struct platform_driver i5k_amb_driver = { .name = DRVNAME, }, .probe = i5k_amb_probe, - .remove = i5k_amb_remove, + .remove_new = i5k_amb_remove, }; static int __init i5k_amb_init(void) diff --git a/drivers/hwmon/ibmpowernv.c b/drivers/hwmon/ibmpowernv.c index 594254d6a7..70ca833259 100644 --- a/drivers/hwmon/ibmpowernv.c +++ b/drivers/hwmon/ibmpowernv.c @@ -234,7 +234,7 @@ static int get_sensor_index_attr(const char *name, u32 *index, char *attr) if (copy_len >= sizeof(buf)) return -EINVAL; - strncpy(buf, hash_pos + 1, copy_len); + memcpy(buf, hash_pos + 1, copy_len); err = kstrtou32(buf, 10, index); if (err) diff --git a/drivers/hwmon/ina238.c b/drivers/hwmon/ina238.c index f519c22d39..ca9f5d2c81 100644 --- a/drivers/hwmon/ina238.c +++ b/drivers/hwmon/ina238.c @@ -33,7 +33,7 @@ #define INA238_BUS_UNDER_VOLTAGE 0xf #define INA238_TEMP_LIMIT 0x10 #define INA238_POWER_LIMIT 0x11 -#define INA238_DEVICE_ID 0x3f +#define INA238_DEVICE_ID 0x3f /* not available on INA237 */ #define INA238_CONFIG_ADCRANGE BIT(4) @@ -622,6 +622,7 @@ static const struct i2c_device_id ina238_id[] = { MODULE_DEVICE_TABLE(i2c, ina238_id); static const struct of_device_id __maybe_unused ina238_of_match[] = { + { .compatible = "ti,ina237" }, { .compatible = "ti,ina238" }, { }, }; diff --git a/drivers/hwmon/ina3221.c b/drivers/hwmon/ina3221.c index 5ab944056e..5ffdc94db4 100644 --- a/drivers/hwmon/ina3221.c +++ b/drivers/hwmon/ina3221.c @@ -6,6 +6,7 @@ * Andrew F. Davis <afd@ti.com> */ +#include <linux/debugfs.h> #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> #include <linux/i2c.h> @@ -99,11 +100,13 @@ enum ina3221_channels { * @label: label of channel input source * @shunt_resistor: shunt resistor value of channel input source * @disconnected: connection status of channel input source + * @summation_disable: channel summation status of input source */ struct ina3221_input { const char *label; int shunt_resistor; bool disconnected; + bool summation_disable; }; /** @@ -113,8 +116,10 @@ struct ina3221_input { * @fields: Register fields of the device * @inputs: Array of channel input source specific structures * @lock: mutex lock to serialize sysfs attribute accesses + * @debugfs: Pointer to debugfs entry for device * @reg_config: Register value of INA3221_CONFIG * @summation_shunt_resistor: equivalent shunt resistor value for summation + * @summation_channel_control: Value written to SCC field in INA3221_MASK_ENABLE * @single_shot: running in single-shot operating mode */ struct ina3221_data { @@ -123,8 +128,10 @@ struct ina3221_data { struct regmap_field *fields[F_MAX_FIELDS]; struct ina3221_input inputs[INA3221_NUM_CHANNELS]; struct mutex lock; + struct dentry *debugfs; u32 reg_config; int summation_shunt_resistor; + u32 summation_channel_control; bool single_shot; }; @@ -154,7 +161,8 @@ static inline int ina3221_summation_shunt_resistor(struct ina3221_data *ina) int i, shunt_resistor = 0; for (i = 0; i < INA3221_NUM_CHANNELS; i++) { - if (input[i].disconnected || !input[i].shunt_resistor) + if (input[i].disconnected || !input[i].shunt_resistor || + input[i].summation_disable) continue; if (!shunt_resistor) { /* Found the reference shunt resistor value */ @@ -786,6 +794,9 @@ static int ina3221_probe_child_from_dt(struct device *dev, /* Save the connected input label if available */ of_property_read_string(child, "label", &input->label); + /* summation channel control */ + input->summation_disable = of_property_read_bool(child, "ti,summation-disable"); + /* Overwrite default shunt resistor value optionally */ if (!of_property_read_u32(child, "shunt-resistor-micro-ohms", &val)) { if (val < 1 || val > INT_MAX) { @@ -827,6 +838,7 @@ static int ina3221_probe(struct i2c_client *client) struct device *dev = &client->dev; struct ina3221_data *ina; struct device *hwmon_dev; + char name[32]; int i, ret; ina = devm_kzalloc(dev, sizeof(*ina), GFP_KERNEL); @@ -873,6 +885,10 @@ static int ina3221_probe(struct i2c_client *client) /* Initialize summation_shunt_resistor for summation channel control */ ina->summation_shunt_resistor = ina3221_summation_shunt_resistor(ina); + for (i = 0; i < INA3221_NUM_CHANNELS; i++) { + if (!ina->inputs[i].summation_disable) + ina->summation_channel_control |= BIT(14 - i); + } ina->pm_dev = dev; mutex_init(&ina->lock); @@ -900,6 +916,15 @@ static int ina3221_probe(struct i2c_client *client) goto fail; } + scnprintf(name, sizeof(name), "%s-%s", INA3221_DRIVER_NAME, dev_name(dev)); + ina->debugfs = debugfs_create_dir(name, NULL); + + for (i = 0; i < INA3221_NUM_CHANNELS; i++) { + scnprintf(name, sizeof(name), "in%d_summation_disable", i); + debugfs_create_bool(name, 0400, ina->debugfs, + &ina->inputs[i].summation_disable); + } + return 0; fail: @@ -918,6 +943,8 @@ static void ina3221_remove(struct i2c_client *client) struct ina3221_data *ina = dev_get_drvdata(&client->dev); int i; + debugfs_remove_recursive(ina->debugfs); + pm_runtime_disable(ina->pm_dev); pm_runtime_set_suspended(ina->pm_dev); @@ -978,13 +1005,13 @@ static int ina3221_resume(struct device *dev) /* Initialize summation channel control */ if (ina->summation_shunt_resistor) { /* - * Take all three channels into summation by default + * Sum only channels that are not disabled for summation. * Shunt measurements of disconnected channels should * be 0, so it does not matter for summation. */ ret = regmap_update_bits(ina->regmap, INA3221_MASK_ENABLE, INA3221_MASK_ENABLE_SCC_MASK, - INA3221_MASK_ENABLE_SCC_MASK); + ina->summation_channel_control); if (ret) { dev_err(dev, "Unable to control summation channel\n"); return ret; diff --git a/drivers/hwmon/ltc2991.c b/drivers/hwmon/ltc2991.c new file mode 100644 index 0000000000..fc53fdcb2b --- /dev/null +++ b/drivers/hwmon/ltc2991.c @@ -0,0 +1,437 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2023 Analog Devices, Inc. + * Author: Antoniu Miclaus <antoniu.miclaus@analog.com> + */ + +#include <linux/bitops.h> +#include <linux/err.h> +#include <linux/hwmon.h> +#include <linux/i2c.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/property.h> +#include <linux/regmap.h> +#include <linux/regulator/consumer.h> + +#define LTC2991_STATUS_LOW 0x00 +#define LTC2991_CH_EN_TRIGGER 0x01 +#define LTC2991_V1_V4_CTRL 0x06 +#define LTC2991_V5_V8_CTRL 0x07 +#define LTC2991_PWM_TH_LSB_T_INT 0x08 +#define LTC2991_PWM_TH_MSB 0x09 +#define LTC2991_CHANNEL_V_MSB(x) (0x0A + ((x) * 2)) +#define LTC2991_CHANNEL_T_MSB(x) (0x0A + ((x) * 4)) +#define LTC2991_CHANNEL_C_MSB(x) (0x0C + ((x) * 4)) +#define LTC2991_T_INT_MSB 0x1A +#define LTC2991_VCC_MSB 0x1C + +#define LTC2991_V7_V8_EN BIT(7) +#define LTC2991_V5_V6_EN BIT(6) +#define LTC2991_V3_V4_EN BIT(5) +#define LTC2991_V1_V2_EN BIT(4) +#define LTC2991_T_INT_VCC_EN BIT(3) + +#define LTC2991_V3_V4_FILT_EN BIT(7) +#define LTC2991_V3_V4_TEMP_EN BIT(5) +#define LTC2991_V3_V4_DIFF_EN BIT(4) +#define LTC2991_V1_V2_FILT_EN BIT(3) +#define LTC2991_V1_V2_TEMP_EN BIT(1) +#define LTC2991_V1_V2_DIFF_EN BIT(0) + +#define LTC2991_V7_V8_FILT_EN BIT(7) +#define LTC2991_V7_V8_TEMP_EN BIT(5) +#define LTC2991_V7_V8_DIFF_EN BIT(4) +#define LTC2991_V5_V6_FILT_EN BIT(7) +#define LTC2991_V5_V6_TEMP_EN BIT(5) +#define LTC2991_V5_V6_DIFF_EN BIT(4) + +#define LTC2991_REPEAT_ACQ_EN BIT(4) +#define LTC2991_T_INT_FILT_EN BIT(3) + +#define LTC2991_MAX_CHANNEL 4 +#define LTC2991_T_INT_CH_NR 4 +#define LTC2991_VCC_CH_NR 0 + +struct ltc2991_state { + struct device *dev; + struct regmap *regmap; + u32 r_sense_uohm[LTC2991_MAX_CHANNEL]; + bool temp_en[LTC2991_MAX_CHANNEL]; +}; + +static int ltc2991_read_reg(struct ltc2991_state *st, u8 addr, u8 reg_len, + int *val) +{ + __be16 regvals; + int ret; + + if (reg_len < 2) + return regmap_read(st->regmap, addr, val); + + ret = regmap_bulk_read(st->regmap, addr, ®vals, reg_len); + if (ret) + return ret; + + *val = be16_to_cpu(regvals); + + return 0; +} + +static int ltc2991_get_voltage(struct ltc2991_state *st, u32 reg, long *val) +{ + int reg_val, ret, offset = 0; + + ret = ltc2991_read_reg(st, reg, 2, ®_val); + if (ret) + return ret; + + if (reg == LTC2991_VCC_MSB) + /* Vcc 2.5V offset */ + offset = 2500; + + /* Vx, 305.18uV/LSB */ + *val = DIV_ROUND_CLOSEST(sign_extend32(reg_val, 14) * 30518, + 1000 * 100) + offset; + + return 0; +} + +static int ltc2991_read_in(struct device *dev, u32 attr, int channel, long *val) +{ + struct ltc2991_state *st = dev_get_drvdata(dev); + u32 reg; + + switch (attr) { + case hwmon_in_input: + if (channel == LTC2991_VCC_CH_NR) + reg = LTC2991_VCC_MSB; + else + reg = LTC2991_CHANNEL_V_MSB(channel - 1); + + return ltc2991_get_voltage(st, reg, val); + default: + return -EOPNOTSUPP; + } +} + +static int ltc2991_get_curr(struct ltc2991_state *st, u32 reg, int channel, + long *val) +{ + int reg_val, ret; + + ret = ltc2991_read_reg(st, reg, 2, ®_val); + if (ret) + return ret; + + /* Vx-Vy, 19.075uV/LSB */ + *val = DIV_ROUND_CLOSEST(sign_extend32(reg_val, 14) * 19075, + st->r_sense_uohm[channel]); + + return 0; +} + +static int ltc2991_read_curr(struct device *dev, u32 attr, int channel, + long *val) +{ + struct ltc2991_state *st = dev_get_drvdata(dev); + u32 reg; + + switch (attr) { + case hwmon_curr_input: + reg = LTC2991_CHANNEL_C_MSB(channel); + return ltc2991_get_curr(st, reg, channel, val); + default: + return -EOPNOTSUPP; + } +} + +static int ltc2991_get_temp(struct ltc2991_state *st, u32 reg, int channel, + long *val) +{ + int reg_val, ret; + + ret = ltc2991_read_reg(st, reg, 2, ®_val); + if (ret) + return ret; + + /* Temp LSB = 0.0625 Degrees */ + *val = DIV_ROUND_CLOSEST(sign_extend32(reg_val, 12) * 1000, 16); + + return 0; +} + +static int ltc2991_read_temp(struct device *dev, u32 attr, int channel, + long *val) +{ + struct ltc2991_state *st = dev_get_drvdata(dev); + u32 reg; + + switch (attr) { + case hwmon_temp_input: + if (channel == LTC2991_T_INT_CH_NR) + reg = LTC2991_T_INT_MSB; + else + reg = LTC2991_CHANNEL_T_MSB(channel); + + return ltc2991_get_temp(st, reg, channel, val); + default: + return -EOPNOTSUPP; + } +} + +static int ltc2991_read(struct device *dev, enum hwmon_sensor_types type, + u32 attr, int channel, long *val) +{ + switch (type) { + case hwmon_in: + return ltc2991_read_in(dev, attr, channel, val); + case hwmon_curr: + return ltc2991_read_curr(dev, attr, channel, val); + case hwmon_temp: + return ltc2991_read_temp(dev, attr, channel, val); + default: + return -EOPNOTSUPP; + } +} + +static umode_t ltc2991_is_visible(const void *data, + enum hwmon_sensor_types type, u32 attr, + int channel) +{ + const struct ltc2991_state *st = data; + + switch (type) { + case hwmon_in: + switch (attr) { + case hwmon_in_input: + if (channel == LTC2991_VCC_CH_NR) + return 0444; + if (st->temp_en[(channel - 1) / 2]) + break; + if (channel % 2) + return 0444; + if (!st->r_sense_uohm[(channel - 1) / 2]) + return 0444; + } + break; + case hwmon_curr: + switch (attr) { + case hwmon_curr_input: + if (st->r_sense_uohm[channel]) + return 0444; + break; + } + break; + case hwmon_temp: + switch (attr) { + case hwmon_temp_input: + if (st->temp_en[channel] || + channel == LTC2991_T_INT_CH_NR) + return 0444; + break; + } + break; + default: + break; + } + + return 0; +} + +static const struct hwmon_ops ltc2991_hwmon_ops = { + .is_visible = ltc2991_is_visible, + .read = ltc2991_read, +}; + +static const struct hwmon_channel_info *ltc2991_info[] = { + HWMON_CHANNEL_INFO(temp, + HWMON_T_INPUT, + HWMON_T_INPUT, + HWMON_T_INPUT, + HWMON_T_INPUT, + HWMON_T_INPUT + ), + HWMON_CHANNEL_INFO(curr, + HWMON_C_INPUT, + HWMON_C_INPUT, + HWMON_C_INPUT, + HWMON_C_INPUT + ), + HWMON_CHANNEL_INFO(in, + HWMON_I_INPUT, + HWMON_I_INPUT, + HWMON_I_INPUT, + HWMON_I_INPUT, + HWMON_I_INPUT, + HWMON_I_INPUT, + HWMON_I_INPUT, + HWMON_I_INPUT, + HWMON_I_INPUT + ), + NULL +}; + +static const struct hwmon_chip_info ltc2991_chip_info = { + .ops = <c2991_hwmon_ops, + .info = ltc2991_info, +}; + +static const struct regmap_config ltc2991_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = 0x1D, +}; + +static int ltc2991_init(struct ltc2991_state *st) +{ + struct fwnode_handle *child; + int ret; + u32 val, addr; + u8 v5_v8_reg_data = 0, v1_v4_reg_data = 0; + + ret = devm_regulator_get_enable(st->dev, "vcc"); + if (ret) + return dev_err_probe(st->dev, ret, + "failed to enable regulator\n"); + + device_for_each_child_node(st->dev, child) { + ret = fwnode_property_read_u32(child, "reg", &addr); + if (ret < 0) { + fwnode_handle_put(child); + return ret; + } + + if (addr > 3) { + fwnode_handle_put(child); + return -EINVAL; + } + + ret = fwnode_property_read_u32(child, + "shunt-resistor-micro-ohms", + &val); + if (!ret) { + if (!val) + return dev_err_probe(st->dev, -EINVAL, + "shunt resistor value cannot be zero\n"); + + st->r_sense_uohm[addr] = val; + + switch (addr) { + case 0: + v1_v4_reg_data |= LTC2991_V1_V2_DIFF_EN; + break; + case 1: + v1_v4_reg_data |= LTC2991_V3_V4_DIFF_EN; + break; + case 2: + v5_v8_reg_data |= LTC2991_V5_V6_DIFF_EN; + break; + case 3: + v5_v8_reg_data |= LTC2991_V7_V8_DIFF_EN; + break; + default: + break; + } + } + + ret = fwnode_property_read_bool(child, + "adi,temperature-enable"); + if (ret) { + st->temp_en[addr] = ret; + + switch (addr) { + case 0: + v1_v4_reg_data |= LTC2991_V1_V2_TEMP_EN; + break; + case 1: + v1_v4_reg_data |= LTC2991_V3_V4_TEMP_EN; + break; + case 2: + v5_v8_reg_data |= LTC2991_V5_V6_TEMP_EN; + break; + case 3: + v5_v8_reg_data |= LTC2991_V7_V8_TEMP_EN; + break; + default: + break; + } + } + } + + ret = regmap_write(st->regmap, LTC2991_V5_V8_CTRL, v5_v8_reg_data); + if (ret) + return dev_err_probe(st->dev, ret, + "Error: Failed to set V5-V8 CTRL reg.\n"); + + ret = regmap_write(st->regmap, LTC2991_V1_V4_CTRL, v1_v4_reg_data); + if (ret) + return dev_err_probe(st->dev, ret, + "Error: Failed to set V1-V4 CTRL reg.\n"); + + ret = regmap_write(st->regmap, LTC2991_PWM_TH_LSB_T_INT, + LTC2991_REPEAT_ACQ_EN); + if (ret) + return dev_err_probe(st->dev, ret, + "Error: Failed to set continuous mode.\n"); + + /* Enable all channels and trigger conversions */ + return regmap_write(st->regmap, LTC2991_CH_EN_TRIGGER, + LTC2991_V7_V8_EN | LTC2991_V5_V6_EN | + LTC2991_V3_V4_EN | LTC2991_V1_V2_EN | + LTC2991_T_INT_VCC_EN); +} + +static int ltc2991_i2c_probe(struct i2c_client *client) +{ + int ret; + struct device *hwmon_dev; + struct ltc2991_state *st; + + st = devm_kzalloc(&client->dev, sizeof(*st), GFP_KERNEL); + if (!st) + return -ENOMEM; + + st->dev = &client->dev; + st->regmap = devm_regmap_init_i2c(client, <c2991_regmap_config); + if (IS_ERR(st->regmap)) + return PTR_ERR(st->regmap); + + ret = ltc2991_init(st); + if (ret) + return ret; + + hwmon_dev = devm_hwmon_device_register_with_info(&client->dev, + client->name, st, + <c2991_chip_info, + NULL); + + return PTR_ERR_OR_ZERO(hwmon_dev); +} + +static const struct of_device_id ltc2991_of_match[] = { + { .compatible = "adi,ltc2991" }, + { } +}; +MODULE_DEVICE_TABLE(of, ltc2991_of_match); + +static const struct i2c_device_id ltc2991_i2c_id[] = { + { "ltc2991", 0 }, + {} +}; +MODULE_DEVICE_TABLE(i2c, ltc2991_i2c_id); + +static struct i2c_driver ltc2991_i2c_driver = { + .driver = { + .name = "ltc2991", + .of_match_table = ltc2991_of_match, + }, + .probe = ltc2991_i2c_probe, + .id_table = ltc2991_i2c_id, +}; + +module_i2c_driver(ltc2991_i2c_driver); + +MODULE_AUTHOR("Antoniu Miclaus <antoniu.miclaus@analog.com>"); +MODULE_DESCRIPTION("Analog Devices LTC2991 HWMON Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/ltc2992.c b/drivers/hwmon/ltc2992.c index 589bcd07ce..001799bc28 100644 --- a/drivers/hwmon/ltc2992.c +++ b/drivers/hwmon/ltc2992.c @@ -875,8 +875,12 @@ static int ltc2992_parse_dt(struct ltc2992_state *st) } ret = fwnode_property_read_u32(child, "shunt-resistor-micro-ohms", &val); - if (!ret) + if (!ret) { + if (!val) + return dev_err_probe(&st->client->dev, -EINVAL, + "shunt resistor value cannot be zero\n"); st->r_sense_uohm[addr] = val; + } } return 0; diff --git a/drivers/hwmon/max197.c b/drivers/hwmon/max197.c index 56add579e3..bb30403f81 100644 --- a/drivers/hwmon/max197.c +++ b/drivers/hwmon/max197.c @@ -312,14 +312,12 @@ error: return ret; } -static int max197_remove(struct platform_device *pdev) +static void max197_remove(struct platform_device *pdev) { struct max197_data *data = platform_get_drvdata(pdev); hwmon_device_unregister(data->hwmon_dev); sysfs_remove_group(&pdev->dev.kobj, &max197_sysfs_group); - - return 0; } static const struct platform_device_id max197_device_ids[] = { @@ -334,7 +332,7 @@ static struct platform_driver max197_driver = { .name = "max197", }, .probe = max197_probe, - .remove = max197_remove, + .remove_new = max197_remove, .id_table = max197_device_ids, }; module_platform_driver(max197_driver); diff --git a/drivers/hwmon/max31827.c b/drivers/hwmon/max31827.c index 602f4e4f81..a1ce651456 100644 --- a/drivers/hwmon/max31827.c +++ b/drivers/hwmon/max31827.c @@ -12,6 +12,7 @@ #include <linux/i2c.h> #include <linux/mutex.h> #include <linux/regmap.h> +#include <linux/regulator/consumer.h> #define MAX31827_T_REG 0x0 #define MAX31827_CONFIGURATION_REG 0x2 @@ -25,20 +26,32 @@ #define MAX31827_CONFIGURATION_U_TEMP_STAT_MASK BIT(14) #define MAX31827_CONFIGURATION_O_TEMP_STAT_MASK BIT(15) -#define MAX31827_12_BIT_CNV_TIME 141 - -#define MAX31827_CNV_1_DIV_64_HZ 0x1 -#define MAX31827_CNV_1_DIV_32_HZ 0x2 -#define MAX31827_CNV_1_DIV_16_HZ 0x3 -#define MAX31827_CNV_1_DIV_4_HZ 0x4 -#define MAX31827_CNV_1_HZ 0x5 -#define MAX31827_CNV_4_HZ 0x6 -#define MAX31827_CNV_8_HZ 0x7 +#define MAX31827_12_BIT_CNV_TIME 140 #define MAX31827_16_BIT_TO_M_DGR(x) (sign_extend32(x, 15) * 1000 / 16) #define MAX31827_M_DGR_TO_16_BIT(x) (((x) << 4) / 1000) #define MAX31827_DEVICE_ENABLE(x) ((x) ? 0xA : 0x0) +enum max31827_cnv { + MAX31827_CNV_1_DIV_64_HZ = 1, + MAX31827_CNV_1_DIV_32_HZ, + MAX31827_CNV_1_DIV_16_HZ, + MAX31827_CNV_1_DIV_4_HZ, + MAX31827_CNV_1_HZ, + MAX31827_CNV_4_HZ, + MAX31827_CNV_8_HZ, +}; + +static const u16 max31827_conversions[] = { + [MAX31827_CNV_1_DIV_64_HZ] = 64000, + [MAX31827_CNV_1_DIV_32_HZ] = 32000, + [MAX31827_CNV_1_DIV_16_HZ] = 16000, + [MAX31827_CNV_1_DIV_4_HZ] = 4000, + [MAX31827_CNV_1_HZ] = 1000, + [MAX31827_CNV_4_HZ] = 250, + [MAX31827_CNV_8_HZ] = 125, +}; + struct max31827_state { /* * Prevent simultaneous access to the i2c client. @@ -54,15 +67,13 @@ static const struct regmap_config max31827_regmap = { .max_register = 0xA, }; -static int write_alarm_val(struct max31827_state *st, unsigned int reg, - long val) +static int shutdown_write(struct max31827_state *st, unsigned int reg, + unsigned int val) { unsigned int cfg; - unsigned int tmp; + unsigned int cnv_rate; int ret; - val = MAX31827_M_DGR_TO_16_BIT(val); - /* * Before the Temperature Threshold Alarm and Alarm Hysteresis Threshold * register values are changed over I2C, the part must be in shutdown @@ -82,9 +93,10 @@ static int write_alarm_val(struct max31827_state *st, unsigned int reg, if (ret) goto unlock; - tmp = cfg & ~(MAX31827_CONFIGURATION_1SHOT_MASK | + cnv_rate = MAX31827_CONFIGURATION_CNV_RATE_MASK & cfg; + cfg = cfg & ~(MAX31827_CONFIGURATION_1SHOT_MASK | MAX31827_CONFIGURATION_CNV_RATE_MASK); - ret = regmap_write(st->regmap, MAX31827_CONFIGURATION_REG, tmp); + ret = regmap_write(st->regmap, MAX31827_CONFIGURATION_REG, cfg); if (ret) goto unlock; @@ -92,13 +104,23 @@ static int write_alarm_val(struct max31827_state *st, unsigned int reg, if (ret) goto unlock; - ret = regmap_write(st->regmap, MAX31827_CONFIGURATION_REG, cfg); + ret = regmap_update_bits(st->regmap, MAX31827_CONFIGURATION_REG, + MAX31827_CONFIGURATION_CNV_RATE_MASK, + cnv_rate); unlock: mutex_unlock(&st->lock); return ret; } +static int write_alarm_val(struct max31827_state *st, unsigned int reg, + long val) +{ + val = MAX31827_M_DGR_TO_16_BIT(val); + + return shutdown_write(st, reg, val); +} + static umode_t max31827_is_visible(const void *state, enum hwmon_sensor_types type, u32 attr, int channel) @@ -243,32 +265,7 @@ static int max31827_read(struct device *dev, enum hwmon_sensor_types type, uval = FIELD_GET(MAX31827_CONFIGURATION_CNV_RATE_MASK, uval); - switch (uval) { - case MAX31827_CNV_1_DIV_64_HZ: - *val = 64000; - break; - case MAX31827_CNV_1_DIV_32_HZ: - *val = 32000; - break; - case MAX31827_CNV_1_DIV_16_HZ: - *val = 16000; - break; - case MAX31827_CNV_1_DIV_4_HZ: - *val = 4000; - break; - case MAX31827_CNV_1_HZ: - *val = 1000; - break; - case MAX31827_CNV_4_HZ: - *val = 250; - break; - case MAX31827_CNV_8_HZ: - *val = 125; - break; - default: - *val = 0; - break; - } + *val = max31827_conversions[uval]; } break; @@ -284,6 +281,7 @@ static int max31827_write(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, long val) { struct max31827_state *st = dev_get_drvdata(dev); + int res = 1; int ret; switch (type) { @@ -333,39 +331,27 @@ static int max31827_write(struct device *dev, enum hwmon_sensor_types type, if (!st->enable) return -EINVAL; - switch (val) { - case 125: - val = MAX31827_CNV_8_HZ; - break; - case 250: - val = MAX31827_CNV_4_HZ; - break; - case 1000: - val = MAX31827_CNV_1_HZ; - break; - case 4000: - val = MAX31827_CNV_1_DIV_4_HZ; - break; - case 16000: - val = MAX31827_CNV_1_DIV_16_HZ; - break; - case 32000: - val = MAX31827_CNV_1_DIV_32_HZ; - break; - case 64000: - val = MAX31827_CNV_1_DIV_64_HZ; - break; - default: + /* + * Convert the desired conversion rate into register + * bits. res is already initialized with 1. + * + * This was inspired by lm73 driver. + */ + while (res < ARRAY_SIZE(max31827_conversions) && + val < max31827_conversions[res]) + res++; + + if (res == ARRAY_SIZE(max31827_conversions) || + val != max31827_conversions[res]) return -EINVAL; - } - val = FIELD_PREP(MAX31827_CONFIGURATION_CNV_RATE_MASK, - val); + res = FIELD_PREP(MAX31827_CONFIGURATION_CNV_RATE_MASK, + res); return regmap_update_bits(st->regmap, MAX31827_CONFIGURATION_REG, MAX31827_CONFIGURATION_CNV_RATE_MASK, - val); + res); } break; @@ -427,6 +413,10 @@ static int max31827_probe(struct i2c_client *client) return dev_err_probe(dev, PTR_ERR(st->regmap), "Failed to allocate regmap.\n"); + err = devm_regulator_get_enable(dev, "vref"); + if (err) + return dev_err_probe(dev, err, "failed to enable regulator\n"); + err = max31827_init_client(st); if (err) return err; diff --git a/drivers/hwmon/mc13783-adc.c b/drivers/hwmon/mc13783-adc.c index ff147e5e1b..67471c9cd4 100644 --- a/drivers/hwmon/mc13783-adc.c +++ b/drivers/hwmon/mc13783-adc.c @@ -285,7 +285,7 @@ out_err_create_16chans: return ret; } -static int mc13783_adc_remove(struct platform_device *pdev) +static void mc13783_adc_remove(struct platform_device *pdev) { struct mc13783_adc_priv *priv = platform_get_drvdata(pdev); kernel_ulong_t driver_data = platform_get_device_id(pdev)->driver_data; @@ -299,8 +299,6 @@ static int mc13783_adc_remove(struct platform_device *pdev) sysfs_remove_group(&pdev->dev.kobj, &mc13783_group_16chans); sysfs_remove_group(&pdev->dev.kobj, &mc13783_group_base); - - return 0; } static const struct platform_device_id mc13783_adc_idtable[] = { @@ -317,7 +315,7 @@ static const struct platform_device_id mc13783_adc_idtable[] = { MODULE_DEVICE_TABLE(platform, mc13783_adc_idtable); static struct platform_driver mc13783_adc_driver = { - .remove = mc13783_adc_remove, + .remove_new = mc13783_adc_remove, .driver = { .name = DRIVER_NAME, }, diff --git a/drivers/hwmon/nct6683.c b/drivers/hwmon/nct6683.c index f673f7d079..3f3f7a8841 100644 --- a/drivers/hwmon/nct6683.c +++ b/drivers/hwmon/nct6683.c @@ -176,6 +176,7 @@ superio_exit(int ioreg) #define NCT6683_CUSTOMER_ID_MSI2 0x200 #define NCT6683_CUSTOMER_ID_ASROCK 0xe2c #define NCT6683_CUSTOMER_ID_ASROCK2 0xe1b +#define NCT6683_CUSTOMER_ID_ASROCK3 0x1631 #define NCT6683_REG_BUILD_YEAR 0x604 #define NCT6683_REG_BUILD_MONTH 0x605 @@ -1227,6 +1228,8 @@ static int nct6683_probe(struct platform_device *pdev) break; case NCT6683_CUSTOMER_ID_ASROCK2: break; + case NCT6683_CUSTOMER_ID_ASROCK3: + break; default: if (!force) return -ENODEV; diff --git a/drivers/hwmon/nct6775-core.c b/drivers/hwmon/nct6775-core.c index d928eb8ae5..f3bf2e4701 100644 --- a/drivers/hwmon/nct6775-core.c +++ b/drivers/hwmon/nct6775-core.c @@ -2553,6 +2553,13 @@ store_pwm(struct device *dev, struct device_attribute *attr, const char *buf, int err; u16 reg; + /* + * The fan control mode should be set to manual if the user wants to adjust + * the fan speed. Otherwise, it will fail to set. + */ + if (index == 0 && data->pwm_enable[nr] > manual) + return -EBUSY; + err = kstrtoul(buf, 10, &val); if (err < 0) return err; @@ -3505,6 +3512,7 @@ int nct6775_probe(struct device *dev, struct nct6775_data *data, const u16 *reg_temp_mon, *reg_temp_alternate, *reg_temp_crit; const u16 *reg_temp_crit_l = NULL, *reg_temp_crit_h = NULL; int num_reg_temp, num_reg_temp_mon, num_reg_tsi_temp; + int num_reg_temp_config; struct device *hwmon_dev; struct sensor_template_group tsi_temp_tg; @@ -3587,6 +3595,7 @@ int nct6775_probe(struct device *dev, struct nct6775_data *data, reg_temp_over = NCT6106_REG_TEMP_OVER; reg_temp_hyst = NCT6106_REG_TEMP_HYST; reg_temp_config = NCT6106_REG_TEMP_CONFIG; + num_reg_temp_config = ARRAY_SIZE(NCT6106_REG_TEMP_CONFIG); reg_temp_alternate = NCT6106_REG_TEMP_ALTERNATE; reg_temp_crit = NCT6106_REG_TEMP_CRIT; reg_temp_crit_l = NCT6106_REG_TEMP_CRIT_L; @@ -3662,6 +3671,7 @@ int nct6775_probe(struct device *dev, struct nct6775_data *data, reg_temp_over = NCT6106_REG_TEMP_OVER; reg_temp_hyst = NCT6106_REG_TEMP_HYST; reg_temp_config = NCT6106_REG_TEMP_CONFIG; + num_reg_temp_config = ARRAY_SIZE(NCT6106_REG_TEMP_CONFIG); reg_temp_alternate = NCT6106_REG_TEMP_ALTERNATE; reg_temp_crit = NCT6106_REG_TEMP_CRIT; reg_temp_crit_l = NCT6106_REG_TEMP_CRIT_L; @@ -3739,6 +3749,7 @@ int nct6775_probe(struct device *dev, struct nct6775_data *data, reg_temp_over = NCT6775_REG_TEMP_OVER; reg_temp_hyst = NCT6775_REG_TEMP_HYST; reg_temp_config = NCT6775_REG_TEMP_CONFIG; + num_reg_temp_config = ARRAY_SIZE(NCT6775_REG_TEMP_CONFIG); reg_temp_alternate = NCT6775_REG_TEMP_ALTERNATE; reg_temp_crit = NCT6775_REG_TEMP_CRIT; @@ -3814,6 +3825,7 @@ int nct6775_probe(struct device *dev, struct nct6775_data *data, reg_temp_over = NCT6775_REG_TEMP_OVER; reg_temp_hyst = NCT6775_REG_TEMP_HYST; reg_temp_config = NCT6776_REG_TEMP_CONFIG; + num_reg_temp_config = ARRAY_SIZE(NCT6776_REG_TEMP_CONFIG); reg_temp_alternate = NCT6776_REG_TEMP_ALTERNATE; reg_temp_crit = NCT6776_REG_TEMP_CRIT; @@ -3893,6 +3905,7 @@ int nct6775_probe(struct device *dev, struct nct6775_data *data, reg_temp_over = NCT6779_REG_TEMP_OVER; reg_temp_hyst = NCT6779_REG_TEMP_HYST; reg_temp_config = NCT6779_REG_TEMP_CONFIG; + num_reg_temp_config = ARRAY_SIZE(NCT6779_REG_TEMP_CONFIG); reg_temp_alternate = NCT6779_REG_TEMP_ALTERNATE; reg_temp_crit = NCT6779_REG_TEMP_CRIT; @@ -4027,6 +4040,7 @@ int nct6775_probe(struct device *dev, struct nct6775_data *data, reg_temp_over = NCT6779_REG_TEMP_OVER; reg_temp_hyst = NCT6779_REG_TEMP_HYST; reg_temp_config = NCT6779_REG_TEMP_CONFIG; + num_reg_temp_config = ARRAY_SIZE(NCT6779_REG_TEMP_CONFIG); reg_temp_alternate = NCT6779_REG_TEMP_ALTERNATE; reg_temp_crit = NCT6779_REG_TEMP_CRIT; @@ -4116,6 +4130,7 @@ int nct6775_probe(struct device *dev, struct nct6775_data *data, reg_temp_over = NCT6798_REG_TEMP_OVER; reg_temp_hyst = NCT6798_REG_TEMP_HYST; reg_temp_config = NCT6779_REG_TEMP_CONFIG; + num_reg_temp_config = ARRAY_SIZE(NCT6779_REG_TEMP_CONFIG); reg_temp_alternate = NCT6798_REG_TEMP_ALTERNATE; reg_temp_crit = NCT6798_REG_TEMP_CRIT; @@ -4197,7 +4212,8 @@ int nct6775_probe(struct device *dev, struct nct6775_data *data, = reg_temp_crit[src - 1]; if (reg_temp_crit_l && reg_temp_crit_l[i]) data->reg_temp[4][src - 1] = reg_temp_crit_l[i]; - data->reg_temp_config[src - 1] = reg_temp_config[i]; + if (i < num_reg_temp_config) + data->reg_temp_config[src - 1] = reg_temp_config[i]; data->temp_src[src - 1] = src; continue; } @@ -4210,7 +4226,8 @@ int nct6775_probe(struct device *dev, struct nct6775_data *data, data->reg_temp[0][s] = reg_temp[i]; data->reg_temp[1][s] = reg_temp_over[i]; data->reg_temp[2][s] = reg_temp_hyst[i]; - data->reg_temp_config[s] = reg_temp_config[i]; + if (i < num_reg_temp_config) + data->reg_temp_config[s] = reg_temp_config[i]; if (reg_temp_crit_h && reg_temp_crit_h[i]) data->reg_temp[3][s] = reg_temp_crit_h[i]; else if (reg_temp_crit[src - 1]) diff --git a/drivers/hwmon/nct6775-platform.c b/drivers/hwmon/nct6775-platform.c index 81bf03dad6..0adeeab7ee 100644 --- a/drivers/hwmon/nct6775-platform.c +++ b/drivers/hwmon/nct6775-platform.c @@ -1465,10 +1465,8 @@ static const char * const asus_msi_boards[] = { static int nct6775_asuswmi_device_match(struct device *dev, void *data) { struct acpi_device *adev = to_acpi_device(dev); - const char *uid = acpi_device_uid(adev); - const char *hid = acpi_device_hid(adev); - if (hid && !strcmp(hid, ASUSWMI_DEVICE_HID) && uid && !strcmp(uid, data)) { + if (acpi_dev_hid_uid_match(adev, ASUSWMI_DEVICE_HID, data)) { asus_acpi_dev = adev; return 1; } diff --git a/drivers/hwmon/npcm750-pwm-fan.c b/drivers/hwmon/npcm750-pwm-fan.c index 10ed3f4335..4702e4edc6 100644 --- a/drivers/hwmon/npcm750-pwm-fan.c +++ b/drivers/hwmon/npcm750-pwm-fan.c @@ -875,6 +875,8 @@ static int npcm7xx_en_pwm_fan(struct device *dev, data->pwm_present[pwm_port] = true; ret = npcm7xx_pwm_config_set(data, pwm_port, NPCM7XX_PWM_CMR_DEFAULT_NUM); + if (ret) + return ret; ret = of_property_count_u8_elems(child, "cooling-levels"); if (ret > 0) { diff --git a/drivers/hwmon/occ/p9_sbe.c b/drivers/hwmon/occ/p9_sbe.c index 96521363b6..b5993c79c0 100644 --- a/drivers/hwmon/occ/p9_sbe.c +++ b/drivers/hwmon/occ/p9_sbe.c @@ -167,7 +167,7 @@ static int p9_sbe_occ_probe(struct platform_device *pdev) return rc; } -static int p9_sbe_occ_remove(struct platform_device *pdev) +static void p9_sbe_occ_remove(struct platform_device *pdev) { struct occ *occ = platform_get_drvdata(pdev); struct p9_sbe_occ *ctx = to_p9_sbe_occ(occ); @@ -178,8 +178,6 @@ static int p9_sbe_occ_remove(struct platform_device *pdev) occ_shutdown(occ); kvfree(ctx->ffdc); - - return 0; } static const struct of_device_id p9_sbe_occ_of_match[] = { @@ -195,7 +193,7 @@ static struct platform_driver p9_sbe_occ_driver = { .of_match_table = p9_sbe_occ_of_match, }, .probe = p9_sbe_occ_probe, - .remove = p9_sbe_occ_remove, + .remove_new = p9_sbe_occ_remove, }; module_platform_driver(p9_sbe_occ_driver); diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c index a4adc8bd53..926ea1fe13 100644 --- a/drivers/hwmon/pc87360.c +++ b/drivers/hwmon/pc87360.c @@ -1586,14 +1586,12 @@ error: return err; } -static int pc87360_remove(struct platform_device *pdev) +static void pc87360_remove(struct platform_device *pdev) { struct pc87360_data *data = platform_get_drvdata(pdev); hwmon_device_unregister(data->hwmon_dev); pc87360_remove_files(&pdev->dev); - - return 0; } /* @@ -1604,7 +1602,7 @@ static struct platform_driver pc87360_driver = { .name = DRIVER_NAME, }, .probe = pc87360_probe, - .remove = pc87360_remove, + .remove_new = pc87360_remove, }; /* diff --git a/drivers/hwmon/pc87427.c b/drivers/hwmon/pc87427.c index eaab83d879..7bca04eb4e 100644 --- a/drivers/hwmon/pc87427.c +++ b/drivers/hwmon/pc87427.c @@ -1115,14 +1115,12 @@ exit_remove_files: return err; } -static int pc87427_remove(struct platform_device *pdev) +static void pc87427_remove(struct platform_device *pdev) { struct pc87427_data *data = platform_get_drvdata(pdev); hwmon_device_unregister(data->hwmon_dev); pc87427_remove_files(&pdev->dev); - - return 0; } @@ -1131,7 +1129,7 @@ static struct platform_driver pc87427_driver = { .name = DRVNAME, }, .probe = pc87427_probe, - .remove = pc87427_remove, + .remove_new = pc87427_remove, }; static int __init pc87427_device_add(const struct pc87427_sio_data *sio_data) diff --git a/drivers/hwmon/pmbus/max31785.c b/drivers/hwmon/pmbus/max31785.c index f9aa576495..5d13bbfc8f 100644 --- a/drivers/hwmon/pmbus/max31785.c +++ b/drivers/hwmon/pmbus/max31785.c @@ -3,6 +3,7 @@ * Copyright (C) 2017 IBM Corp. */ +#include <linux/delay.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -23,19 +24,119 @@ enum max31785_regs { #define MAX31785_NR_PAGES 23 #define MAX31785_NR_FAN_PAGES 6 +#define MAX31785_WAIT_DELAY_US 250 -static int max31785_read_byte_data(struct i2c_client *client, int page, - int reg) +struct max31785_data { + ktime_t access; /* Chip access time */ + struct pmbus_driver_info info; +}; + +#define to_max31785_data(x) container_of(x, struct max31785_data, info) + +/* + * MAX31785 Driver Workaround + * + * The MAX31785 fan controller occasionally exhibits communication issues. + * These issues are not indicated by the device itself, except for occasional + * NACK responses during master transactions. No error bits are set in STATUS_BYTE. + * + * To address this, we introduce a delay of 250us between consecutive accesses + * to the fan controller. This delay helps mitigate communication problems by + * allowing sufficient time between accesses. + */ +static inline void max31785_wait(const struct max31785_data *data) { - if (page < MAX31785_NR_PAGES) - return -ENODATA; + s64 delta = ktime_us_delta(ktime_get(), data->access); + + if (delta < MAX31785_WAIT_DELAY_US) + usleep_range(MAX31785_WAIT_DELAY_US - delta, + MAX31785_WAIT_DELAY_US); +} + +static int max31785_i2c_write_byte_data(struct i2c_client *client, + struct max31785_data *driver_data, + int command, u16 data) +{ + int rc; + + max31785_wait(driver_data); + rc = i2c_smbus_write_byte_data(client, command, data); + driver_data->access = ktime_get(); + return rc; +} + +static int max31785_i2c_read_word_data(struct i2c_client *client, + struct max31785_data *driver_data, + int command) +{ + int rc; + + max31785_wait(driver_data); + rc = i2c_smbus_read_word_data(client, command); + driver_data->access = ktime_get(); + return rc; +} + +static int _max31785_read_byte_data(struct i2c_client *client, + struct max31785_data *driver_data, + int page, int command) +{ + int rc; + + max31785_wait(driver_data); + rc = pmbus_read_byte_data(client, page, command); + driver_data->access = ktime_get(); + return rc; +} + +static int _max31785_write_byte_data(struct i2c_client *client, + struct max31785_data *driver_data, + int page, int command, u16 data) +{ + int rc; + + max31785_wait(driver_data); + rc = pmbus_write_byte_data(client, page, command, data); + driver_data->access = ktime_get(); + return rc; +} + +static int _max31785_read_word_data(struct i2c_client *client, + struct max31785_data *driver_data, + int page, int phase, int command) +{ + int rc; + + max31785_wait(driver_data); + rc = pmbus_read_word_data(client, page, phase, command); + driver_data->access = ktime_get(); + return rc; +} + +static int _max31785_write_word_data(struct i2c_client *client, + struct max31785_data *driver_data, + int page, int command, u16 data) +{ + int rc; + + max31785_wait(driver_data); + rc = pmbus_write_word_data(client, page, command, data); + driver_data->access = ktime_get(); + return rc; +} + +static int max31785_read_byte_data(struct i2c_client *client, int page, int reg) +{ + const struct pmbus_driver_info *info = pmbus_get_driver_info(client); + struct max31785_data *driver_data = to_max31785_data(info); switch (reg) { case PMBUS_VOUT_MODE: return -ENOTSUPP; case PMBUS_FAN_CONFIG_12: - return pmbus_read_byte_data(client, page - MAX31785_NR_PAGES, - reg); + return _max31785_read_byte_data(client, driver_data, + page - MAX31785_NR_PAGES, + reg); } return -ENODATA; @@ -102,16 +203,19 @@ static int max31785_get_pwm(struct i2c_client *client, int page) return rv; } -static int max31785_get_pwm_mode(struct i2c_client *client, int page) +static int max31785_get_pwm_mode(struct i2c_client *client, + struct max31785_data *driver_data, int page) { int config; int command; - config = pmbus_read_byte_data(client, page, PMBUS_FAN_CONFIG_12); + config = _max31785_read_byte_data(client, driver_data, page, + PMBUS_FAN_CONFIG_12); if (config < 0) return config; - command = pmbus_read_word_data(client, page, 0xff, PMBUS_FAN_COMMAND_1); + command = _max31785_read_word_data(client, driver_data, page, 0xff, + PMBUS_FAN_COMMAND_1); if (command < 0) return command; @@ -129,6 +233,8 @@ static int max31785_get_pwm_mode(struct i2c_client *client, int page) static int max31785_read_word_data(struct i2c_client *client, int page, int phase, int reg) { + const struct pmbus_driver_info *info = pmbus_get_driver_info(client); + struct max31785_data *driver_data = to_max31785_data(info); u32 val; int rv; @@ -157,7 +263,7 @@ static int max31785_read_word_data(struct i2c_client *client, int page, rv = max31785_get_pwm(client, page); break; case PMBUS_VIRT_PWM_ENABLE_1: - rv = max31785_get_pwm_mode(client, page); + rv = max31785_get_pwm_mode(client, driver_data, page); break; default: rv = -ENODATA; @@ -188,8 +294,36 @@ static inline u32 max31785_scale_pwm(u32 sensor_val) return (sensor_val * 100) / 255; } -static int max31785_pwm_enable(struct i2c_client *client, int page, - u16 word) +static int max31785_update_fan(struct i2c_client *client, + struct max31785_data *driver_data, int page, + u8 config, u8 mask, u16 command) +{ + int from, rv; + u8 to; + + from = _max31785_read_byte_data(client, driver_data, page, + PMBUS_FAN_CONFIG_12); + if (from < 0) + return from; + + to = (from & ~mask) | (config & mask); + + if (to != from) { + rv = _max31785_write_byte_data(client, driver_data, page, + PMBUS_FAN_CONFIG_12, to); + if (rv < 0) + return rv; + } + + rv = _max31785_write_word_data(client, driver_data, page, + PMBUS_FAN_COMMAND_1, command); + + return rv; +} + +static int max31785_pwm_enable(struct i2c_client *client, + struct max31785_data *driver_data, int page, + u16 word) { int config = 0; int rate; @@ -217,18 +351,23 @@ static int max31785_pwm_enable(struct i2c_client *client, int page, return -EINVAL; } - return pmbus_update_fan(client, page, 0, config, PB_FAN_1_RPM, rate); + return max31785_update_fan(client, driver_data, page, config, + PB_FAN_1_RPM, rate); } static int max31785_write_word_data(struct i2c_client *client, int page, int reg, u16 word) { + const struct pmbus_driver_info *info = pmbus_get_driver_info(client); + struct max31785_data *driver_data = to_max31785_data(info); + switch (reg) { case PMBUS_VIRT_PWM_1: - return pmbus_update_fan(client, page, 0, 0, PB_FAN_1_RPM, - max31785_scale_pwm(word)); + return max31785_update_fan(client, driver_data, page, 0, + PB_FAN_1_RPM, + max31785_scale_pwm(word)); case PMBUS_VIRT_PWM_ENABLE_1: - return max31785_pwm_enable(client, page, word); + return max31785_pwm_enable(client, driver_data, page, word); default: break; } @@ -303,13 +442,16 @@ static int max31785_configure_dual_tach(struct i2c_client *client, { int ret; int i; + struct max31785_data *driver_data = to_max31785_data(info); for (i = 0; i < MAX31785_NR_FAN_PAGES; i++) { - ret = i2c_smbus_write_byte_data(client, PMBUS_PAGE, i); + ret = max31785_i2c_write_byte_data(client, driver_data, + PMBUS_PAGE, i); if (ret < 0) return ret; - ret = i2c_smbus_read_word_data(client, MFR_FAN_CONFIG); + ret = max31785_i2c_read_word_data(client, driver_data, + MFR_FAN_CONFIG); if (ret < 0) return ret; @@ -329,6 +471,7 @@ static int max31785_probe(struct i2c_client *client) { struct device *dev = &client->dev; struct pmbus_driver_info *info; + struct max31785_data *driver_data; bool dual_tach = false; int ret; @@ -337,13 +480,16 @@ static int max31785_probe(struct i2c_client *client) I2C_FUNC_SMBUS_WORD_DATA)) return -ENODEV; - info = devm_kzalloc(dev, sizeof(struct pmbus_driver_info), GFP_KERNEL); - if (!info) + driver_data = devm_kzalloc(dev, sizeof(struct max31785_data), GFP_KERNEL); + if (!driver_data) return -ENOMEM; + info = &driver_data->info; + driver_data->access = ktime_get(); *info = max31785_info; - ret = i2c_smbus_write_byte_data(client, PMBUS_PAGE, 255); + ret = max31785_i2c_write_byte_data(client, driver_data, + PMBUS_PAGE, 255); if (ret < 0) return ret; diff --git a/drivers/hwmon/pmbus/mpq7932.c b/drivers/hwmon/pmbus/mpq7932.c index 6c62f01da7..67487867c7 100644 --- a/drivers/hwmon/pmbus/mpq7932.c +++ b/drivers/hwmon/pmbus/mpq7932.c @@ -21,6 +21,7 @@ #define MPQ7932_N_VOLTAGES 256 #define MPQ7932_VOUT_MAX 0xFF #define MPQ7932_NUM_PAGES 6 +#define MPQ2286_NUM_PAGES 1 #define MPQ7932_TON_DELAY 0x60 #define MPQ7932_VOUT_STARTUP_SLEW 0xA3 @@ -48,6 +49,11 @@ static struct regulator_desc mpq7932_regulators_desc[] = { PMBUS_REGULATOR_STEP("buck", 5, MPQ7932_N_VOLTAGES, MPQ7932_UV_STEP, MPQ7932_BUCK_UV_MIN), }; + +static const struct regulator_desc mpq7932_regulators_desc_one[] = { + PMBUS_REGULATOR_STEP_ONE("buck", MPQ7932_N_VOLTAGES, + MPQ7932_UV_STEP, MPQ7932_BUCK_UV_MIN), +}; #endif static int mpq7932_write_word_data(struct i2c_client *client, int page, int reg, @@ -105,7 +111,7 @@ static int mpq7932_probe(struct i2c_client *client) return -ENOMEM; info = &data->info; - info->pages = MPQ7932_NUM_PAGES; + info->pages = (int)(unsigned long)device_get_match_data(&client->dev); info->format[PSC_VOLTAGE_OUT] = direct; info->m[PSC_VOLTAGE_OUT] = 160; info->b[PSC_VOLTAGE_OUT] = -33; @@ -115,8 +121,11 @@ static int mpq7932_probe(struct i2c_client *client) } #if IS_ENABLED(CONFIG_SENSORS_MPQ7932_REGULATOR) - info->num_regulators = ARRAY_SIZE(mpq7932_regulators_desc); - info->reg_desc = mpq7932_regulators_desc; + info->num_regulators = info->pages; + if (info->num_regulators == 1) + info->reg_desc = mpq7932_regulators_desc_one; + else + info->reg_desc = mpq7932_regulators_desc; #endif info->read_word_data = mpq7932_read_word_data; @@ -129,12 +138,14 @@ static int mpq7932_probe(struct i2c_client *client) } static const struct of_device_id mpq7932_of_match[] = { - { .compatible = "mps,mpq7932"}, + { .compatible = "mps,mpq2286", .data = (void *)MPQ2286_NUM_PAGES }, + { .compatible = "mps,mpq7932", .data = (void *)MPQ7932_NUM_PAGES }, {}, }; MODULE_DEVICE_TABLE(of, mpq7932_of_match); static const struct i2c_device_id mpq7932_id[] = { + { "mpq2286", }, { "mpq7932", }, { }, }; diff --git a/drivers/hwmon/pmbus/pmbus.h b/drivers/hwmon/pmbus/pmbus.h index b0832a4c69..fb442fae7b 100644 --- a/drivers/hwmon/pmbus/pmbus.h +++ b/drivers/hwmon/pmbus/pmbus.h @@ -244,6 +244,15 @@ enum pmbus_regs { #define PB_OPERATION_CONTROL_ON BIT(7) /* + * ON_OFF_CONFIG + */ +#define PB_ON_OFF_CONFIG_POWERUP_CONTROL BIT(4) +#define PB_ON_OFF_CONFIG_OPERATION_REQ BIT(3) +#define PB_ON_OFF_CONFIG_EN_PIN_REQ BIT(2) +#define PB_ON_OFF_CONFIG_POLARITY_HIGH BIT(1) +#define PB_ON_OFF_CONFIG_TURN_OFF_FAST BIT(0) + +/* * WRITE_PROTECT */ #define PB_WP_ALL BIT(7) /* all but WRITE_PROTECT */ @@ -480,6 +489,21 @@ extern const struct regulator_ops pmbus_regulator_ops; #define PMBUS_REGULATOR(_name, _id) PMBUS_REGULATOR_STEP(_name, _id, 0, 0, 0) +#define PMBUS_REGULATOR_STEP_ONE(_name, _voltages, _step, _min_uV) \ + { \ + .name = (_name), \ + .of_match = of_match_ptr(_name), \ + .regulators_node = of_match_ptr("regulators"), \ + .ops = &pmbus_regulator_ops, \ + .type = REGULATOR_VOLTAGE, \ + .owner = THIS_MODULE, \ + .n_voltages = _voltages, \ + .uV_step = _step, \ + .min_uV = _min_uV, \ + } + +#define PMBUS_REGULATOR_ONE(_name) PMBUS_REGULATOR_STEP_ONE(_name, 0, 0, 0) + /* Function declarations */ void pmbus_clear_cache(struct i2c_client *client); diff --git a/drivers/hwmon/pmbus/tda38640.c b/drivers/hwmon/pmbus/tda38640.c index 450b0273fb..09cd114b17 100644 --- a/drivers/hwmon/pmbus/tda38640.c +++ b/drivers/hwmon/pmbus/tda38640.c @@ -18,6 +18,127 @@ static const struct regulator_desc __maybe_unused tda38640_reg_desc[] = { PMBUS_REGULATOR("vout", 0), }; +struct tda38640_data { + struct pmbus_driver_info info; + u32 en_pin_lvl; +}; + +#define to_tda38640_data(x) container_of(x, struct tda38640_data, info) + +/* + * Map PB_ON_OFF_CONFIG_POLARITY_HIGH to PB_OPERATION_CONTROL_ON. + */ +static int tda38640_read_byte_data(struct i2c_client *client, int page, int reg) +{ + const struct pmbus_driver_info *info = pmbus_get_driver_info(client); + struct tda38640_data *data = to_tda38640_data(info); + int ret, on_off_config, enabled; + + if (reg != PMBUS_OPERATION) + return -ENODATA; + + ret = pmbus_read_byte_data(client, page, reg); + if (ret < 0) + return ret; + + on_off_config = pmbus_read_byte_data(client, page, + PMBUS_ON_OFF_CONFIG); + if (on_off_config < 0) + return on_off_config; + + enabled = !!(on_off_config & PB_ON_OFF_CONFIG_POLARITY_HIGH); + + enabled ^= data->en_pin_lvl; + if (enabled) + ret &= ~PB_OPERATION_CONTROL_ON; + else + ret |= PB_OPERATION_CONTROL_ON; + + return ret; +} + +/* + * Map PB_OPERATION_CONTROL_ON to PB_ON_OFF_CONFIG_POLARITY_HIGH. + */ +static int tda38640_write_byte_data(struct i2c_client *client, int page, + int reg, u8 byte) +{ + const struct pmbus_driver_info *info = pmbus_get_driver_info(client); + struct tda38640_data *data = to_tda38640_data(info); + int enable, ret; + + if (reg != PMBUS_OPERATION) + return -ENODATA; + + enable = !!(byte & PB_OPERATION_CONTROL_ON); + + byte &= ~PB_OPERATION_CONTROL_ON; + ret = pmbus_write_byte_data(client, page, reg, byte); + if (ret < 0) + return ret; + + enable ^= data->en_pin_lvl; + + return pmbus_update_byte_data(client, page, PMBUS_ON_OFF_CONFIG, + PB_ON_OFF_CONFIG_POLARITY_HIGH, + enable ? 0 : PB_ON_OFF_CONFIG_POLARITY_HIGH); +} + +static int svid_mode(struct i2c_client *client, struct tda38640_data *data) +{ + /* PMBUS_MFR_READ(0xD0) + MTP Address offset */ + u8 write_buf[] = {0xd0, 0x44, 0x00}; + u8 read_buf[2]; + int ret, svid; + bool off, reg_en_pin_pol; + + struct i2c_msg msgs[2] = { + { + .addr = client->addr, + .flags = 0, + .buf = write_buf, + .len = sizeof(write_buf), + }, + { + .addr = client->addr, + .flags = I2C_M_RD, + .buf = read_buf, + .len = sizeof(read_buf), + } + }; + + ret = i2c_transfer(client->adapter, msgs, 2); + if (ret < 0) { + dev_err(&client->dev, "i2c_transfer failed. %d", ret); + return ret; + } + + /* + * 0x44[15] determines PMBus Operating Mode + * If bit is set then it is SVID mode. + */ + svid = !!(read_buf[1] & BIT(7)); + + /* + * Determine EN pin level for use in SVID mode. + * This is done with help of STATUS_BYTE bit 6(OFF) & ON_OFF_CONFIG bit 2(EN pin polarity). + */ + if (svid) { + ret = i2c_smbus_read_byte_data(client, PMBUS_STATUS_BYTE); + if (ret < 0) + return ret; + off = !!(ret & PB_STATUS_OFF); + + ret = i2c_smbus_read_byte_data(client, PMBUS_ON_OFF_CONFIG); + if (ret < 0) + return ret; + reg_en_pin_pol = !!(ret & PB_ON_OFF_CONFIG_POLARITY_HIGH); + data->en_pin_lvl = off ^ reg_en_pin_pol; + } + + return svid; +} + static struct pmbus_driver_info tda38640_info = { .pages = 1, .format[PSC_VOLTAGE_IN] = linear, @@ -26,7 +147,6 @@ static struct pmbus_driver_info tda38640_info = { .format[PSC_CURRENT_IN] = linear, .format[PSC_POWER] = linear, .format[PSC_TEMPERATURE] = linear, - .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP | PMBUS_HAVE_IIN @@ -41,7 +161,37 @@ static struct pmbus_driver_info tda38640_info = { static int tda38640_probe(struct i2c_client *client) { - return pmbus_do_probe(client, &tda38640_info); + struct tda38640_data *data; + int svid; + + data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + memcpy(&data->info, &tda38640_info, sizeof(tda38640_info)); + + if (IS_ENABLED(CONFIG_SENSORS_TDA38640_REGULATOR) && + of_property_read_bool(client->dev.of_node, "infineon,en-pin-fixed-level")) { + svid = svid_mode(client, data); + if (svid < 0) { + dev_err_probe(&client->dev, svid, "Could not determine operating mode."); + return svid; + } + + /* + * Apply ON_OFF_CONFIG workaround as enabling the regulator using the + * OPERATION register doesn't work in SVID mode. + * + * One should configure PMBUS_ON_OFF_CONFIG here, but + * PB_ON_OFF_CONFIG_POWERUP_CONTROL and PB_ON_OFF_CONFIG_EN_PIN_REQ + * are ignored by the device. + * Only PB_ON_OFF_CONFIG_POLARITY_HIGH has an effect. + */ + if (svid) { + data->info.read_byte_data = tda38640_read_byte_data; + data->info.write_byte_data = tda38640_write_byte_data; + } + } + return pmbus_do_probe(client, &data->info); } static const struct i2c_device_id tda38640_id[] = { diff --git a/drivers/hwmon/powerz.c b/drivers/hwmon/powerz.c new file mode 100644 index 0000000000..cfb635f94d --- /dev/null +++ b/drivers/hwmon/powerz.c @@ -0,0 +1,275 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2023 Thomas Weißschuh <linux@weissschuh.net> + */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/completion.h> +#include <linux/device.h> +#include <linux/hwmon.h> +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/types.h> +#include <linux/usb.h> + +#define DRIVER_NAME "powerz" +#define POWERZ_EP_CMD_OUT 0x01 +#define POWERZ_EP_DATA_IN 0x81 + +struct powerz_sensor_data { + u8 _unknown_1[8]; + __le32 V_bus; + __le32 I_bus; + __le32 V_bus_avg; + __le32 I_bus_avg; + u8 _unknown_2[8]; + u8 temp[2]; + __le16 V_cc1; + __le16 V_cc2; + __le16 V_dp; + __le16 V_dm; + __le16 V_dd; + u8 _unknown_3[4]; +} __packed; + +struct powerz_priv { + char transfer_buffer[64]; /* first member to satisfy DMA alignment */ + struct mutex mutex; + struct completion completion; + struct urb *urb; + int status; +}; + +static const struct hwmon_channel_info *const powerz_info[] = { + HWMON_CHANNEL_INFO(in, + HWMON_I_INPUT | HWMON_I_LABEL | HWMON_I_AVERAGE, + HWMON_I_INPUT | HWMON_I_LABEL, + HWMON_I_INPUT | HWMON_I_LABEL, + HWMON_I_INPUT | HWMON_I_LABEL, + HWMON_I_INPUT | HWMON_I_LABEL, + HWMON_I_INPUT | HWMON_I_LABEL), + HWMON_CHANNEL_INFO(curr, + HWMON_C_INPUT | HWMON_C_LABEL | HWMON_C_AVERAGE), + HWMON_CHANNEL_INFO(temp, HWMON_T_INPUT | HWMON_T_LABEL), + NULL +}; + +static umode_t powerz_is_visible(const void *data, enum hwmon_sensor_types type, + u32 attr, int channel) +{ + return 0444; +} + +static int powerz_read_string(struct device *dev, enum hwmon_sensor_types type, + u32 attr, int channel, const char **str) +{ + if (type == hwmon_curr && attr == hwmon_curr_label) { + *str = "IBUS"; + } else if (type == hwmon_in && attr == hwmon_in_label) { + if (channel == 0) + *str = "VBUS"; + else if (channel == 1) + *str = "VCC1"; + else if (channel == 2) + *str = "VCC2"; + else if (channel == 3) + *str = "VDP"; + else if (channel == 4) + *str = "VDM"; + else if (channel == 5) + *str = "VDD"; + else + return -EOPNOTSUPP; + } else if (type == hwmon_temp && attr == hwmon_temp_label) { + *str = "TEMP"; + } else { + return -EOPNOTSUPP; + } + + return 0; +} + +static void powerz_usb_data_complete(struct urb *urb) +{ + struct powerz_priv *priv = urb->context; + + complete(&priv->completion); +} + +static void powerz_usb_cmd_complete(struct urb *urb) +{ + struct powerz_priv *priv = urb->context; + + usb_fill_bulk_urb(urb, urb->dev, + usb_rcvbulkpipe(urb->dev, POWERZ_EP_DATA_IN), + priv->transfer_buffer, sizeof(priv->transfer_buffer), + powerz_usb_data_complete, priv); + + priv->status = usb_submit_urb(urb, GFP_ATOMIC); + if (priv->status) + complete(&priv->completion); +} + +static int powerz_read_data(struct usb_device *udev, struct powerz_priv *priv) +{ + int ret; + + priv->status = -ETIMEDOUT; + reinit_completion(&priv->completion); + + priv->transfer_buffer[0] = 0x0c; + priv->transfer_buffer[1] = 0x00; + priv->transfer_buffer[2] = 0x02; + priv->transfer_buffer[3] = 0x00; + + usb_fill_bulk_urb(priv->urb, udev, + usb_sndbulkpipe(udev, POWERZ_EP_CMD_OUT), + priv->transfer_buffer, 4, powerz_usb_cmd_complete, + priv); + ret = usb_submit_urb(priv->urb, GFP_KERNEL); + if (ret) + return ret; + + if (!wait_for_completion_interruptible_timeout + (&priv->completion, msecs_to_jiffies(5))) { + usb_kill_urb(priv->urb); + return -EIO; + } + + if (priv->urb->actual_length < sizeof(struct powerz_sensor_data)) + return -EIO; + + return priv->status; +} + +static int powerz_read(struct device *dev, enum hwmon_sensor_types type, + u32 attr, int channel, long *val) +{ + struct usb_interface *intf = to_usb_interface(dev->parent); + struct usb_device *udev = interface_to_usbdev(intf); + struct powerz_priv *priv = usb_get_intfdata(intf); + struct powerz_sensor_data *data; + int ret; + + if (!priv) + return -EIO; /* disconnected */ + + mutex_lock(&priv->mutex); + ret = powerz_read_data(udev, priv); + if (ret) + goto out; + + data = (struct powerz_sensor_data *)priv->transfer_buffer; + + if (type == hwmon_curr) { + if (attr == hwmon_curr_input) + *val = ((s32)le32_to_cpu(data->I_bus)) / 1000; + else if (attr == hwmon_curr_average) + *val = ((s32)le32_to_cpu(data->I_bus_avg)) / 1000; + else + ret = -EOPNOTSUPP; + } else if (type == hwmon_in) { + if (attr == hwmon_in_input) { + if (channel == 0) + *val = le32_to_cpu(data->V_bus) / 1000; + else if (channel == 1) + *val = le16_to_cpu(data->V_cc1) / 10; + else if (channel == 2) + *val = le16_to_cpu(data->V_cc2) / 10; + else if (channel == 3) + *val = le16_to_cpu(data->V_dp) / 10; + else if (channel == 4) + *val = le16_to_cpu(data->V_dm) / 10; + else if (channel == 5) + *val = le16_to_cpu(data->V_dd) / 10; + else + ret = -EOPNOTSUPP; + } else if (attr == hwmon_in_average && channel == 0) { + *val = le32_to_cpu(data->V_bus_avg) / 1000; + } else { + ret = -EOPNOTSUPP; + } + } else if (type == hwmon_temp && attr == hwmon_temp_input) { + *val = data->temp[1] * 2000 + data->temp[0] * 1000 / 128; + } else { + ret = -EOPNOTSUPP; + } + +out: + mutex_unlock(&priv->mutex); + return ret; +} + +static const struct hwmon_ops powerz_hwmon_ops = { + .is_visible = powerz_is_visible, + .read = powerz_read, + .read_string = powerz_read_string, +}; + +static const struct hwmon_chip_info powerz_chip_info = { + .ops = &powerz_hwmon_ops, + .info = powerz_info, +}; + +static int powerz_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct powerz_priv *priv; + struct device *hwmon_dev; + struct device *parent; + + parent = &intf->dev; + + priv = devm_kzalloc(parent, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->urb = usb_alloc_urb(0, GFP_KERNEL); + if (!priv->urb) + return -ENOMEM; + mutex_init(&priv->mutex); + init_completion(&priv->completion); + + hwmon_dev = + devm_hwmon_device_register_with_info(parent, DRIVER_NAME, priv, + &powerz_chip_info, NULL); + if (IS_ERR(hwmon_dev)) { + usb_free_urb(priv->urb); + return PTR_ERR(hwmon_dev); + } + + usb_set_intfdata(intf, priv); + + return 0; +} + +static void powerz_disconnect(struct usb_interface *intf) +{ + struct powerz_priv *priv = usb_get_intfdata(intf); + + mutex_lock(&priv->mutex); + usb_kill_urb(priv->urb); + usb_free_urb(priv->urb); + mutex_unlock(&priv->mutex); +} + +static const struct usb_device_id powerz_id_table[] = { + { USB_DEVICE_INTERFACE_NUMBER(0x5FC9, 0x0061, 0x00) }, /* ChargerLAB POWER-Z KM002C */ + { USB_DEVICE_INTERFACE_NUMBER(0x5FC9, 0x0063, 0x00) }, /* ChargerLAB POWER-Z KM003C */ + { } +}; + +MODULE_DEVICE_TABLE(usb, powerz_id_table); + +static struct usb_driver powerz_driver = { + .name = DRIVER_NAME, + .id_table = powerz_id_table, + .probe = powerz_probe, + .disconnect = powerz_disconnect, +}; + +module_usb_driver(powerz_driver); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Thomas Weißschuh <linux@weissschuh.net>"); +MODULE_DESCRIPTION("ChargerLAB POWER-Z USB-C tester"); diff --git a/drivers/hwmon/sch5627.c b/drivers/hwmon/sch5627.c index bf408e35e2..1891d4d75a 100644 --- a/drivers/hwmon/sch5627.c +++ b/drivers/hwmon/sch5627.c @@ -7,9 +7,12 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/bits.h> +#include <linux/minmax.h> #include <linux/module.h> #include <linux/mod_devicetable.h> +#include <linux/pm.h> #include <linux/init.h> +#include <linux/regmap.h> #include <linux/slab.h> #include <linux/jiffies.h> #include <linux/platform_device.h> @@ -72,11 +75,9 @@ static const char * const SCH5627_IN_LABELS[SCH5627_NO_IN] = { "VCC", "VTT", "VBAT", "VTR", "V_IN" }; struct sch5627_data { + struct regmap *regmap; unsigned short addr; u8 control; - u8 temp_max[SCH5627_NO_TEMPS]; - u8 temp_crit[SCH5627_NO_TEMPS]; - u16 fan_min[SCH5627_NO_FANS]; struct mutex update_lock; unsigned long last_battery; /* In jiffies */ @@ -91,6 +92,36 @@ struct sch5627_data { u16 in[SCH5627_NO_IN]; }; +static const struct regmap_range sch5627_tunables_ranges[] = { + regmap_reg_range(0x57, 0x57), + regmap_reg_range(0x59, 0x59), + regmap_reg_range(0x5B, 0x5B), + regmap_reg_range(0x5D, 0x5D), + regmap_reg_range(0x5F, 0x5F), + regmap_reg_range(0x61, 0x69), + regmap_reg_range(0x96, 0x9B), + regmap_reg_range(0xA0, 0xA3), + regmap_reg_range(0x184, 0x184), + regmap_reg_range(0x186, 0x186), + regmap_reg_range(0x1A8, 0x1A9), +}; + +static const struct regmap_access_table sch5627_tunables_table = { + .yes_ranges = sch5627_tunables_ranges, + .n_yes_ranges = ARRAY_SIZE(sch5627_tunables_ranges), +}; + +static const struct regmap_config sch5627_regmap_config = { + .reg_bits = 16, + .val_bits = 8, + .wr_table = &sch5627_tunables_table, + .rd_table = &sch5627_tunables_table, + .cache_type = REGCACHE_RBTREE, + .use_single_read = true, + .use_single_write = true, + .can_sleep = true, +}; + static int sch5627_update_temp(struct sch5627_data *data) { int ret = 0; @@ -177,38 +208,6 @@ abort: return ret; } -static int sch5627_read_limits(struct sch5627_data *data) -{ - int i, val; - - for (i = 0; i < SCH5627_NO_TEMPS; i++) { - /* - * Note what SMSC calls ABS, is what lm_sensors calls max - * (aka high), and HIGH is what lm_sensors calls crit. - */ - val = sch56xx_read_virtual_reg(data->addr, - SCH5627_REG_TEMP_ABS[i]); - if (val < 0) - return val; - data->temp_max[i] = val; - - val = sch56xx_read_virtual_reg(data->addr, - SCH5627_REG_TEMP_HIGH[i]); - if (val < 0) - return val; - data->temp_crit[i] = val; - } - for (i = 0; i < SCH5627_NO_FANS; i++) { - val = sch56xx_read_virtual_reg16(data->addr, - SCH5627_REG_FAN_MIN[i]); - if (val < 0) - return val; - data->fan_min[i] = val; - } - - return 0; -} - static int reg_to_temp(u16 reg) { return (reg * 625) / 10 - 64000; @@ -229,6 +228,25 @@ static int reg_to_rpm(u16 reg) return 5400540 / reg; } +static u8 sch5627_temp_limit_to_reg(long value) +{ + long limit = (value / 1000) + 64; + + return clamp_val(limit, 0, U8_MAX); +} + +static u16 sch5627_rpm_to_reg(long value) +{ + long pulses; + + if (value <= 0) + return U16_MAX - 1; + + pulses = 5400540 / value; + + return clamp_val(pulses, 1, U16_MAX - 1); +} + static umode_t sch5627_is_visible(const void *drvdata, enum hwmon_sensor_types type, u32 attr, int channel) { @@ -240,8 +258,35 @@ static umode_t sch5627_is_visible(const void *drvdata, enum hwmon_sensor_types t if (data->control & SCH5627_CTRL_LOCK) return 0444; - if (type == hwmon_pwm && attr == hwmon_pwm_auto_channels_temp) - return 0644; + switch (type) { + case hwmon_temp: + switch (attr) { + case hwmon_temp_max: + case hwmon_temp_crit: + return 0644; + default: + break; + } + break; + case hwmon_fan: + switch (attr) { + case hwmon_fan_min: + return 0644; + default: + break; + } + break; + case hwmon_pwm: + switch (attr) { + case hwmon_pwm_auto_channels_temp: + return 0644; + default: + break; + } + break; + default: + break; + } return 0444; } @@ -250,24 +295,37 @@ static int sch5627_read(struct device *dev, enum hwmon_sensor_types type, u32 at long *val) { struct sch5627_data *data = dev_get_drvdata(dev); - int ret; + int ret, value; switch (type) { case hwmon_temp: - ret = sch5627_update_temp(data); - if (ret < 0) - return ret; switch (attr) { case hwmon_temp_input: + ret = sch5627_update_temp(data); + if (ret < 0) + return ret; + *val = reg_to_temp(data->temp[channel]); return 0; case hwmon_temp_max: - *val = reg_to_temp_limit(data->temp_max[channel]); + ret = regmap_read(data->regmap, SCH5627_REG_TEMP_ABS[channel], &value); + if (ret < 0) + return ret; + + *val = reg_to_temp_limit((u8)value); return 0; case hwmon_temp_crit: - *val = reg_to_temp_limit(data->temp_crit[channel]); + ret = regmap_read(data->regmap, SCH5627_REG_TEMP_HIGH[channel], &value); + if (ret < 0) + return ret; + + *val = reg_to_temp_limit((u8)value); return 0; case hwmon_temp_fault: + ret = sch5627_update_temp(data); + if (ret < 0) + return ret; + *val = (data->temp[channel] == 0); return 0; default: @@ -275,23 +333,35 @@ static int sch5627_read(struct device *dev, enum hwmon_sensor_types type, u32 at } break; case hwmon_fan: - ret = sch5627_update_fan(data); - if (ret < 0) - return ret; switch (attr) { case hwmon_fan_input: + ret = sch5627_update_fan(data); + if (ret < 0) + return ret; + ret = reg_to_rpm(data->fan[channel]); if (ret < 0) return ret; + *val = ret; return 0; case hwmon_fan_min: - ret = reg_to_rpm(data->fan_min[channel]); + ret = sch56xx_regmap_read16(data->regmap, SCH5627_REG_FAN_MIN[channel], + &value); if (ret < 0) return ret; + + ret = reg_to_rpm((u16)value); + if (ret < 0) + return ret; + *val = ret; return 0; case hwmon_fan_fault: + ret = sch5627_update_fan(data); + if (ret < 0) + return ret; + *val = (data->fan[channel] == 0xffff); return 0; default: @@ -301,15 +371,11 @@ static int sch5627_read(struct device *dev, enum hwmon_sensor_types type, u32 at case hwmon_pwm: switch (attr) { case hwmon_pwm_auto_channels_temp: - mutex_lock(&data->update_lock); - ret = sch56xx_read_virtual_reg(data->addr, SCH5627_REG_PWM_MAP[channel]); - mutex_unlock(&data->update_lock); - + ret = regmap_read(data->regmap, SCH5627_REG_PWM_MAP[channel], &value); if (ret < 0) return ret; - *val = ret; - + *val = value; return 0; default: break; @@ -359,9 +425,33 @@ static int sch5627_write(struct device *dev, enum hwmon_sensor_types type, u32 a long val) { struct sch5627_data *data = dev_get_drvdata(dev); - int ret; + u16 fan; + u8 temp; switch (type) { + case hwmon_temp: + temp = sch5627_temp_limit_to_reg(val); + + switch (attr) { + case hwmon_temp_max: + return regmap_write(data->regmap, SCH5627_REG_TEMP_ABS[channel], temp); + case hwmon_temp_crit: + return regmap_write(data->regmap, SCH5627_REG_TEMP_HIGH[channel], temp); + default: + break; + } + break; + case hwmon_fan: + switch (attr) { + case hwmon_fan_min: + fan = sch5627_rpm_to_reg(val); + + return sch56xx_regmap_write16(data->regmap, SCH5627_REG_FAN_MIN[channel], + fan); + default: + break; + } + break; case hwmon_pwm: switch (attr) { case hwmon_pwm_auto_channels_temp: @@ -369,12 +459,7 @@ static int sch5627_write(struct device *dev, enum hwmon_sensor_types type, u32 a if (val > U8_MAX || val < 0) return -EINVAL; - mutex_lock(&data->update_lock); - ret = sch56xx_write_virtual_reg(data->addr, SCH5627_REG_PWM_MAP[channel], - val); - mutex_unlock(&data->update_lock); - - return ret; + return regmap_write(data->regmap, SCH5627_REG_PWM_MAP[channel], val); default: break; } @@ -436,7 +521,7 @@ static int sch5627_probe(struct platform_device *pdev) { struct sch5627_data *data; struct device *hwmon_dev; - int err, build_code, build_id, hwmon_rev, val; + int build_code, build_id, hwmon_rev, val; data = devm_kzalloc(&pdev->dev, sizeof(struct sch5627_data), GFP_KERNEL); @@ -501,19 +586,17 @@ static int sch5627_probe(struct platform_device *pdev) pr_err("hardware monitoring not enabled\n"); return -ENODEV; } + + data->regmap = devm_regmap_init_sch56xx(&pdev->dev, &data->update_lock, data->addr, + &sch5627_regmap_config); + if (IS_ERR(data->regmap)) + return PTR_ERR(data->regmap); + /* Trigger a Vbat voltage measurement, so that we get a valid reading the first time we read Vbat */ sch56xx_write_virtual_reg(data->addr, SCH5627_REG_CTRL, data->control | SCH5627_CTRL_VBAT); data->last_battery = jiffies; - /* - * Read limits, we do this only once as reading a register on - * the sch5627 is quite expensive (and they don't change). - */ - err = sch5627_read_limits(data); - if (err) - return err; - pr_info("found %s chip at %#hx\n", DEVNAME, data->addr); pr_info("firmware build: code 0x%02X, id 0x%04X, hwmon: rev 0x%02X\n", build_code, build_id, hwmon_rev); @@ -531,6 +614,30 @@ static int sch5627_probe(struct platform_device *pdev) return 0; } +static int sch5627_suspend(struct device *dev) +{ + struct sch5627_data *data = dev_get_drvdata(dev); + + regcache_cache_only(data->regmap, true); + regcache_mark_dirty(data->regmap); + + return 0; +} + +static int sch5627_resume(struct device *dev) +{ + struct sch5627_data *data = dev_get_drvdata(dev); + + regcache_cache_only(data->regmap, false); + /* We must not access the virtual registers when the lock bit is set */ + if (data->control & SCH5627_CTRL_LOCK) + return regcache_drop_region(data->regmap, 0, U16_MAX); + + return regcache_sync(data->regmap); +} + +static DEFINE_SIMPLE_DEV_PM_OPS(sch5627_dev_pm_ops, sch5627_suspend, sch5627_resume); + static const struct platform_device_id sch5627_device_id[] = { { .name = "sch5627", @@ -542,6 +649,7 @@ MODULE_DEVICE_TABLE(platform, sch5627_device_id); static struct platform_driver sch5627_driver = { .driver = { .name = DRVNAME, + .pm = pm_sleep_ptr(&sch5627_dev_pm_ops), }, .probe = sch5627_probe, .id_table = sch5627_device_id, diff --git a/drivers/hwmon/sch5636.c b/drivers/hwmon/sch5636.c index 269757bc3a..6e6d541584 100644 --- a/drivers/hwmon/sch5636.c +++ b/drivers/hwmon/sch5636.c @@ -367,7 +367,7 @@ static struct sensor_device_attribute sch5636_fan_attr[] = { SENSOR_ATTR_RO(fan8_alarm, fan_alarm, 7), }; -static int sch5636_remove(struct platform_device *pdev) +static void sch5636_remove(struct platform_device *pdev) { struct sch5636_data *data = platform_get_drvdata(pdev); int i; @@ -385,8 +385,6 @@ static int sch5636_remove(struct platform_device *pdev) for (i = 0; i < SCH5636_NO_FANS * 3; i++) device_remove_file(&pdev->dev, &sch5636_fan_attr[i].dev_attr); - - return 0; } static int sch5636_probe(struct platform_device *pdev) @@ -515,7 +513,7 @@ static struct platform_driver sch5636_driver = { .name = DRVNAME, }, .probe = sch5636_probe, - .remove = sch5636_remove, + .remove_new = sch5636_remove, .id_table = sch5636_device_id, }; diff --git a/drivers/hwmon/sch56xx-common.c b/drivers/hwmon/sch56xx-common.c index ac1f725807..71941b1bb5 100644 --- a/drivers/hwmon/sch56xx-common.c +++ b/drivers/hwmon/sch56xx-common.c @@ -9,6 +9,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/platform_device.h> +#include <linux/regmap.h> #include <linux/err.h> #include <linux/io.h> #include <linux/acpi.h> @@ -59,6 +60,11 @@ struct sch56xx_watchdog_data { u8 watchdog_output_enable; }; +struct sch56xx_bus_context { + struct mutex *lock; /* Used to serialize access to the mailbox registers */ + u16 addr; +}; + static struct platform_device *sch56xx_pdev; /* Super I/O functions */ @@ -239,6 +245,107 @@ int sch56xx_read_virtual_reg12(u16 addr, u16 msb_reg, u16 lsn_reg, EXPORT_SYMBOL(sch56xx_read_virtual_reg12); /* + * Regmap support + */ + +int sch56xx_regmap_read16(struct regmap *map, unsigned int reg, unsigned int *val) +{ + int lsb, msb, ret; + + /* See sch56xx_read_virtual_reg16() */ + ret = regmap_read(map, reg, &lsb); + if (ret < 0) + return ret; + + ret = regmap_read(map, reg + 1, &msb); + if (ret < 0) + return ret; + + *val = lsb | (msb << 8); + + return 0; +} +EXPORT_SYMBOL(sch56xx_regmap_read16); + +int sch56xx_regmap_write16(struct regmap *map, unsigned int reg, unsigned int val) +{ + int ret; + + ret = regmap_write(map, reg, val & 0xff); + if (ret < 0) + return ret; + + return regmap_write(map, reg + 1, (val >> 8) & 0xff); +} +EXPORT_SYMBOL(sch56xx_regmap_write16); + +static int sch56xx_reg_write(void *context, unsigned int reg, unsigned int val) +{ + struct sch56xx_bus_context *bus = context; + int ret; + + mutex_lock(bus->lock); + ret = sch56xx_write_virtual_reg(bus->addr, (u16)reg, (u8)val); + mutex_unlock(bus->lock); + + return ret; +} + +static int sch56xx_reg_read(void *context, unsigned int reg, unsigned int *val) +{ + struct sch56xx_bus_context *bus = context; + int ret; + + mutex_lock(bus->lock); + ret = sch56xx_read_virtual_reg(bus->addr, (u16)reg); + mutex_unlock(bus->lock); + + if (ret < 0) + return ret; + + *val = ret; + + return 0; +} + +static void sch56xx_free_context(void *context) +{ + kfree(context); +} + +static const struct regmap_bus sch56xx_bus = { + .reg_write = sch56xx_reg_write, + .reg_read = sch56xx_reg_read, + .free_context = sch56xx_free_context, + .reg_format_endian_default = REGMAP_ENDIAN_LITTLE, + .val_format_endian_default = REGMAP_ENDIAN_LITTLE, +}; + +struct regmap *devm_regmap_init_sch56xx(struct device *dev, struct mutex *lock, u16 addr, + const struct regmap_config *config) +{ + struct sch56xx_bus_context *context; + struct regmap *map; + + if (config->reg_bits != 16 && config->val_bits != 8) + return ERR_PTR(-EOPNOTSUPP); + + context = kzalloc(sizeof(*context), GFP_KERNEL); + if (!context) + return ERR_PTR(-ENOMEM); + + context->lock = lock; + context->addr = addr; + + map = devm_regmap_init(dev, &sch56xx_bus, context, config); + if (IS_ERR(map)) + kfree(context); + + return map; +} +EXPORT_SYMBOL(devm_regmap_init_sch56xx); + +/* * Watchdog routines */ diff --git a/drivers/hwmon/sch56xx-common.h b/drivers/hwmon/sch56xx-common.h index e907d9da0d..7479a549a0 100644 --- a/drivers/hwmon/sch56xx-common.h +++ b/drivers/hwmon/sch56xx-common.h @@ -5,9 +5,15 @@ ***************************************************************************/ #include <linux/mutex.h> +#include <linux/regmap.h> struct sch56xx_watchdog_data; +struct regmap *devm_regmap_init_sch56xx(struct device *dev, struct mutex *lock, u16 addr, + const struct regmap_config *config); +int sch56xx_regmap_read16(struct regmap *map, unsigned int reg, unsigned int *val); +int sch56xx_regmap_write16(struct regmap *map, unsigned int reg, unsigned int val); + int sch56xx_read_virtual_reg(u16 addr, u16 reg); int sch56xx_write_virtual_reg(u16 addr, u16 reg, u8 val); int sch56xx_read_virtual_reg16(u16 addr, u16 reg); diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c index 32a41fc56f..494f9655f4 100644 --- a/drivers/hwmon/sht15.c +++ b/drivers/hwmon/sht15.c @@ -1017,7 +1017,7 @@ err_release_reg: return ret; } -static int sht15_remove(struct platform_device *pdev) +static void sht15_remove(struct platform_device *pdev) { struct sht15_data *data = platform_get_drvdata(pdev); int ret; @@ -1033,8 +1033,6 @@ static int sht15_remove(struct platform_device *pdev) regulator_unregister_notifier(data->reg, &data->nb); regulator_disable(data->reg); } - - return 0; } static const struct platform_device_id sht15_device_ids[] = { @@ -1053,7 +1051,7 @@ static struct platform_driver sht15_driver = { .of_match_table = of_match_ptr(sht15_dt_match), }, .probe = sht15_probe, - .remove = sht15_remove, + .remove_new = sht15_remove, .id_table = sht15_device_ids, }; module_platform_driver(sht15_driver); diff --git a/drivers/hwmon/sis5595.c b/drivers/hwmon/sis5595.c index 0a0479501e..641be1f7f9 100644 --- a/drivers/hwmon/sis5595.c +++ b/drivers/hwmon/sis5595.c @@ -709,7 +709,7 @@ exit_remove_files: return err; } -static int sis5595_remove(struct platform_device *pdev) +static void sis5595_remove(struct platform_device *pdev) { struct sis5595_data *data = platform_get_drvdata(pdev); @@ -717,8 +717,6 @@ static int sis5595_remove(struct platform_device *pdev) sysfs_remove_group(&pdev->dev.kobj, &sis5595_group); sysfs_remove_group(&pdev->dev.kobj, &sis5595_group_in4); sysfs_remove_group(&pdev->dev.kobj, &sis5595_group_temp1); - - return 0; } static const struct pci_device_id sis5595_pci_ids[] = { @@ -790,7 +788,7 @@ static struct platform_driver sis5595_driver = { .name = DRIVER_NAME, }, .probe = sis5595_probe, - .remove = sis5595_remove, + .remove_new = sis5595_remove, }; static int sis5595_pci_probe(struct pci_dev *dev, diff --git a/drivers/hwmon/tmp513.c b/drivers/hwmon/tmp513.c index 9a180b1030..8a7cf08733 100644 --- a/drivers/hwmon/tmp513.c +++ b/drivers/hwmon/tmp513.c @@ -73,9 +73,6 @@ #define TMP51X_PGA_DEFAULT 8 #define TMP51X_MAX_REGISTER_ADDR 0xFF -#define TMP512_TEMP_CONFIG_DEFAULT 0xBF80 -#define TMP513_TEMP_CONFIG_DEFAULT 0xFF80 - // Mask and shift #define CURRENT_SENSE_VOLTAGE_320_MASK 0x1800 #define CURRENT_SENSE_VOLTAGE_160_MASK 0x1000 @@ -113,6 +110,17 @@ #define MAX_TEMP_HYST 127500 +#define TMP512_MAX_CHANNELS 3 +#define TMP513_MAX_CHANNELS 4 + +#define TMP51X_TEMP_CONFIG_CONV_RATE GENMASK(9, 7) +#define TMP51X_TEMP_CONFIG_RC BIT(10) +#define TMP51X_TEMP_CHANNEL_MASK(n) (GENMASK((n) - 1, 0) << 11) +#define TMP51X_TEMP_CONFIG_CONT BIT(15) +#define TMP51X_TEMP_CONFIG_DEFAULT(n) \ + (TMP51X_TEMP_CHANNEL_MASK(n) | TMP51X_TEMP_CONFIG_CONT | \ + TMP51X_TEMP_CONFIG_CONV_RATE | TMP51X_TEMP_CONFIG_RC) + static const u8 TMP51X_TEMP_INPUT[4] = { TMP51X_LOCAL_TEMP_RESULT, TMP51X_REMOTE_TEMP_RESULT_1, @@ -152,10 +160,6 @@ static struct regmap_config tmp51x_regmap_config = { .max_register = TMP51X_MAX_REGISTER_ADDR, }; -enum tmp51x_ids { - tmp512, tmp513 -}; - struct tmp51x_data { u16 shunt_config; u16 pga_gain; @@ -169,7 +173,7 @@ struct tmp51x_data { u32 curr_lsb_ua; u32 pwr_lsb_uw; - enum tmp51x_ids id; + u8 max_channels; struct regmap *regmap; }; @@ -434,7 +438,7 @@ static umode_t tmp51x_is_visible(const void *_data, switch (type) { case hwmon_temp: - if (data->id == tmp512 && channel == 3) + if (channel >= data->max_channels) return 0; switch (attr) { case hwmon_temp_input: @@ -585,7 +589,7 @@ static int tmp51x_init(struct tmp51x_data *data) if (ret < 0) return ret; - if (data->id == tmp513) { + if (data->max_channels == TMP513_MAX_CHANNELS) { ret = regmap_write(data->regmap, TMP513_N_FACTOR_3, data->nfactor[2] << 8); if (ret < 0) @@ -601,22 +605,16 @@ static int tmp51x_init(struct tmp51x_data *data) } static const struct i2c_device_id tmp51x_id[] = { - { "tmp512", tmp512 }, - { "tmp513", tmp513 }, + { "tmp512", TMP512_MAX_CHANNELS }, + { "tmp513", TMP513_MAX_CHANNELS }, { } }; MODULE_DEVICE_TABLE(i2c, tmp51x_id); static const struct of_device_id tmp51x_of_match[] = { - { - .compatible = "ti,tmp512", - .data = (void *)tmp512 - }, - { - .compatible = "ti,tmp513", - .data = (void *)tmp513 - }, - { }, + { .compatible = "ti,tmp512", .data = (void *)TMP512_MAX_CHANNELS }, + { .compatible = "ti,tmp513", .data = (void *)TMP513_MAX_CHANNELS }, + { } }; MODULE_DEVICE_TABLE(of, tmp51x_of_match); @@ -655,7 +653,6 @@ static int tmp51x_pga_gain_to_reg(struct device *dev, struct tmp51x_data *data) static int tmp51x_read_properties(struct device *dev, struct tmp51x_data *data) { int ret; - u32 nfactor[3]; u32 val; ret = device_property_read_u32(dev, "shunt-resistor-micro-ohms", &val); @@ -673,10 +670,8 @@ static int tmp51x_read_properties(struct device *dev, struct tmp51x_data *data) if (ret < 0) return ret; - ret = device_property_read_u32_array(dev, "ti,nfactor", nfactor, - (data->id == tmp513) ? 3 : 2); - if (ret >= 0) - memcpy(data->nfactor, nfactor, (data->id == tmp513) ? 3 : 2); + device_property_read_u32_array(dev, "ti,nfactor", data->nfactor, + data->max_channels - 1); // Check if shunt value is compatible with pga-gain if (data->shunt_uohms > data->pga_gain * 40 * 1000 * 1000) { @@ -698,8 +693,7 @@ static void tmp51x_use_default(struct tmp51x_data *data) static int tmp51x_configure(struct device *dev, struct tmp51x_data *data) { data->shunt_config = TMP51X_SHUNT_CONFIG_DEFAULT; - data->temp_config = (data->id == tmp513) ? - TMP513_TEMP_CONFIG_DEFAULT : TMP512_TEMP_CONFIG_DEFAULT; + data->temp_config = TMP51X_TEMP_CONFIG_DEFAULT(data->max_channels); if (dev->of_node) return tmp51x_read_properties(dev, data); @@ -720,7 +714,7 @@ static int tmp51x_probe(struct i2c_client *client) if (!data) return -ENOMEM; - data->id = (uintptr_t)i2c_get_match_data(client); + data->max_channels = (uintptr_t)i2c_get_match_data(client); ret = tmp51x_configure(dev, data); if (ret < 0) { diff --git a/drivers/hwmon/ultra45_env.c b/drivers/hwmon/ultra45_env.c index 3b580f2298..9823afb067 100644 --- a/drivers/hwmon/ultra45_env.c +++ b/drivers/hwmon/ultra45_env.c @@ -291,7 +291,7 @@ out_iounmap: goto out; } -static int env_remove(struct platform_device *op) +static void env_remove(struct platform_device *op) { struct env *p = platform_get_drvdata(op); @@ -300,8 +300,6 @@ static int env_remove(struct platform_device *op) hwmon_device_unregister(p->hwmon_dev); of_iounmap(&op->resource[0], p->regs, REG_SIZE); } - - return 0; } static const struct of_device_id env_match[] = { @@ -319,7 +317,7 @@ static struct platform_driver env_driver = { .of_match_table = env_match, }, .probe = env_probe, - .remove = env_remove, + .remove_new = env_remove, }; module_platform_driver(env_driver); diff --git a/drivers/hwmon/via-cputemp.c b/drivers/hwmon/via-cputemp.c index e5d18dac8e..5abe95b683 100644 --- a/drivers/hwmon/via-cputemp.c +++ b/drivers/hwmon/via-cputemp.c @@ -182,7 +182,7 @@ exit_remove: return err; } -static int via_cputemp_remove(struct platform_device *pdev) +static void via_cputemp_remove(struct platform_device *pdev) { struct via_cputemp_data *data = platform_get_drvdata(pdev); @@ -190,7 +190,6 @@ static int via_cputemp_remove(struct platform_device *pdev) if (data->vrm) device_remove_file(&pdev->dev, &dev_attr_cpu0_vid); sysfs_remove_group(&pdev->dev.kobj, &via_cputemp_group); - return 0; } static struct platform_driver via_cputemp_driver = { @@ -198,7 +197,7 @@ static struct platform_driver via_cputemp_driver = { .name = DRVNAME, }, .probe = via_cputemp_probe, - .remove = via_cputemp_remove, + .remove_new = via_cputemp_remove, }; struct pdev_entry { diff --git a/drivers/hwmon/via686a.c b/drivers/hwmon/via686a.c index 407933d6e4..3a002ad3c0 100644 --- a/drivers/hwmon/via686a.c +++ b/drivers/hwmon/via686a.c @@ -786,14 +786,12 @@ exit_remove_files: return err; } -static int via686a_remove(struct platform_device *pdev) +static void via686a_remove(struct platform_device *pdev) { struct via686a_data *data = platform_get_drvdata(pdev); hwmon_device_unregister(data->hwmon_dev); sysfs_remove_group(&pdev->dev.kobj, &via686a_group); - - return 0; } static struct platform_driver via686a_driver = { @@ -801,7 +799,7 @@ static struct platform_driver via686a_driver = { .name = DRIVER_NAME, }, .probe = via686a_probe, - .remove = via686a_remove, + .remove_new = via686a_remove, }; static const struct pci_device_id via686a_pci_ids[] = { diff --git a/drivers/hwmon/vt1211.c b/drivers/hwmon/vt1211.c index fcd4be7a5a..2f3890463e 100644 --- a/drivers/hwmon/vt1211.c +++ b/drivers/hwmon/vt1211.c @@ -1208,14 +1208,12 @@ EXIT_DEV_REMOVE_SILENT: return err; } -static int vt1211_remove(struct platform_device *pdev) +static void vt1211_remove(struct platform_device *pdev) { struct vt1211_data *data = platform_get_drvdata(pdev); hwmon_device_unregister(data->hwmon_dev); vt1211_remove_sysfs(pdev); - - return 0; } static struct platform_driver vt1211_driver = { @@ -1223,7 +1221,7 @@ static struct platform_driver vt1211_driver = { .name = DRVNAME, }, .probe = vt1211_probe, - .remove = vt1211_remove, + .remove_new = vt1211_remove, }; static int __init vt1211_device_add(unsigned short address) diff --git a/drivers/hwmon/vt8231.c b/drivers/hwmon/vt8231.c index 16bc16d33c..dcdd14ccd1 100644 --- a/drivers/hwmon/vt8231.c +++ b/drivers/hwmon/vt8231.c @@ -892,7 +892,7 @@ exit_remove_files: return err; } -static int vt8231_remove(struct platform_device *pdev) +static void vt8231_remove(struct platform_device *pdev) { struct vt8231_data *data = platform_get_drvdata(pdev); int i; @@ -906,8 +906,6 @@ static int vt8231_remove(struct platform_device *pdev) sysfs_remove_group(&pdev->dev.kobj, &vt8231_group_temps[i]); sysfs_remove_group(&pdev->dev.kobj, &vt8231_group); - - return 0; } @@ -916,7 +914,7 @@ static struct platform_driver vt8231_driver = { .name = DRIVER_NAME, }, .probe = vt8231_probe, - .remove = vt8231_remove, + .remove_new = vt8231_remove, }; static const struct pci_device_id vt8231_pci_ids[] = { diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c index b638d672ac..2fc9b718e2 100644 --- a/drivers/hwmon/w83627hf.c +++ b/drivers/hwmon/w83627hf.c @@ -1828,7 +1828,7 @@ static int w83627hf_probe(struct platform_device *pdev) return err; } -static int w83627hf_remove(struct platform_device *pdev) +static void w83627hf_remove(struct platform_device *pdev) { struct w83627hf_data *data = platform_get_drvdata(pdev); @@ -1836,8 +1836,6 @@ static int w83627hf_remove(struct platform_device *pdev) sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group); sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt); - - return 0; } static struct platform_driver w83627hf_driver = { @@ -1846,7 +1844,7 @@ static struct platform_driver w83627hf_driver = { .pm = W83627HF_DEV_PM_OPS, }, .probe = w83627hf_probe, - .remove = w83627hf_remove, + .remove_new = w83627hf_remove, }; static int __init w83627hf_find(int sioaddr, unsigned short *addr, diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c index b33f382f23..cba5ec432e 100644 --- a/drivers/hwmon/w83781d.c +++ b/drivers/hwmon/w83781d.c @@ -1816,16 +1816,13 @@ w83781d_isa_probe(struct platform_device *pdev) return err; } -static int -w83781d_isa_remove(struct platform_device *pdev) +static void w83781d_isa_remove(struct platform_device *pdev) { struct w83781d_data *data = platform_get_drvdata(pdev); hwmon_device_unregister(data->hwmon_dev); w83781d_remove_files(&pdev->dev); device_remove_file(&pdev->dev, &dev_attr_name); - - return 0; } static struct platform_driver w83781d_isa_driver = { @@ -1833,7 +1830,7 @@ static struct platform_driver w83781d_isa_driver = { .name = "w83781d", }, .probe = w83781d_isa_probe, - .remove = w83781d_isa_remove, + .remove_new = w83781d_isa_remove, }; /* return 1 if a supported chip is found, 0 otherwise */ diff --git a/drivers/hwmon/xgene-hwmon.c b/drivers/hwmon/xgene-hwmon.c index 78d9f52e2a..5e0759a70f 100644 --- a/drivers/hwmon/xgene-hwmon.c +++ b/drivers/hwmon/xgene-hwmon.c @@ -57,12 +57,6 @@ (MSG_TYPE_SET(MSG_TYPE_PWRMGMT) | \ MSG_SUBTYPE_SET(hndl) | TPC_CMD_SET(cmd) | type) -/* PCC defines */ -#define PCC_SIGNATURE_MASK 0x50424300 -#define PCCC_GENERATE_DB_INT BIT(15) -#define PCCS_CMD_COMPLETE BIT(0) -#define PCCS_SCI_DOORBEL BIT(1) -#define PCCS_PLATFORM_NOTIFICATION BIT(3) /* * Arbitrary retries in case the remote processor is slow to respond * to PCC commands @@ -142,15 +136,15 @@ static int xgene_hwmon_pcc_rd(struct xgene_hwmon_dev *ctx, u32 *msg) /* Write signature for subspace */ WRITE_ONCE(generic_comm_base->signature, - cpu_to_le32(PCC_SIGNATURE_MASK | ctx->mbox_idx)); + cpu_to_le32(PCC_SIGNATURE | ctx->mbox_idx)); /* Write to the shared command region */ WRITE_ONCE(generic_comm_base->command, - cpu_to_le16(MSG_TYPE(msg[0]) | PCCC_GENERATE_DB_INT)); + cpu_to_le16(MSG_TYPE(msg[0]) | PCC_CMD_GENERATE_DB_INTR)); /* Flip CMD COMPLETE bit */ val = le16_to_cpu(READ_ONCE(generic_comm_base->status)); - val &= ~PCCS_CMD_COMPLETE; + val &= ~PCC_STATUS_CMD_COMPLETE; WRITE_ONCE(generic_comm_base->status, cpu_to_le16(val)); /* Copy the message to the PCC comm space */ @@ -544,7 +538,7 @@ static void xgene_hwmon_pcc_rx_cb(struct mbox_client *cl, void *msg) msg = generic_comm_base + 1; /* Check if platform sends interrupt */ if (!xgene_word_tst_and_clr(&generic_comm_base->status, - PCCS_SCI_DOORBEL)) + PCC_STATUS_SCI_DOORBELL)) return; /* @@ -566,7 +560,7 @@ static void xgene_hwmon_pcc_rx_cb(struct mbox_client *cl, void *msg) TPC_CMD(((u32 *)msg)[0]) == TPC_ALARM))) { /* Check if platform completes command */ if (xgene_word_tst_and_clr(&generic_comm_base->status, - PCCS_CMD_COMPLETE)) { + PCC_STATUS_CMD_COMPLETE)) { ctx->sync_msg.msg = ((u32 *)msg)[0]; ctx->sync_msg.param1 = ((u32 *)msg)[1]; ctx->sync_msg.param2 = ((u32 *)msg)[2]; @@ -757,7 +751,7 @@ out_mbox_free: return rc; } -static int xgene_hwmon_remove(struct platform_device *pdev) +static void xgene_hwmon_remove(struct platform_device *pdev) { struct xgene_hwmon_dev *ctx = platform_get_drvdata(pdev); @@ -768,8 +762,6 @@ static int xgene_hwmon_remove(struct platform_device *pdev) mbox_free_channel(ctx->mbox_chan); else pcc_mbox_free_channel(ctx->pcc_chan); - - return 0; } static const struct of_device_id xgene_hwmon_of_match[] = { @@ -780,7 +772,7 @@ MODULE_DEVICE_TABLE(of, xgene_hwmon_of_match); static struct platform_driver xgene_hwmon_driver = { .probe = xgene_hwmon_probe, - .remove = xgene_hwmon_remove, + .remove_new = xgene_hwmon_remove, .driver = { .name = "xgene-slimpro-hwmon", .of_match_table = xgene_hwmon_of_match, |