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linux/drivers/hwmon
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Boyang Yu 4b8b728400 hwmon: (lm90) Fix max6658 sporadic wrong temperature reading 
commit 62456189f3292c62f87aef363f204886dc1d4b48 upstream.

max6658 may report unrealistically high temperature during
the driver initialization, for which, its overtemp alarm pin
also gets asserted. For certain devices implementing overtemp
protection based on that pin, it may further trigger a reset to
the device. By reproducing the problem, the wrong reading is
found to be coincident with changing the conversion rate.

To mitigate this issue, set the stop bit before changing the
conversion rate and unset it thereafter. After such change, the
wrong reading is not reproduced. Apply this change only to the
max6657 kind for now, controlled by flag LM90_PAUSE_ON_CONFIG.

Signed-off-by: Boyang Yu <byu@arista.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-17 16:10:18 +01:00
..
pmbus
hwmon: (pmbus/ltc2978) Fix PMBus polling of MFR_COMMON definitions.
2020-02-28 15:42:14 +01:00
ab8500.c
hwmon: (ab8500) Call kernel_power_off instead of pm_power_off
2014-10-03 08:19:02 -07:00
abituguru3.c
hwmon: drop owner assignment from platform_drivers
2014-10-20 16:20:36 +02:00
abituguru.c
hwmon: drop owner assignment from platform_drivers
2014-10-20 16:20:36 +02:00
abx500.c
hwmon: (abx500) drop the use of IRQF_NO_SUSPEND
2015-10-14 07:57:14 -07:00
abx500.h
hwmon: Add ST-Ericsson ABX500 hwmon driver
2013-04-16 18:27:52 -07:00
acpi_power_meter.c
hwmon: (acpi_power_meter) Fix potential memory leak in acpi_power_meter_add()
2020-07-09 09:35:56 +02:00
ad7314.c
hwmon: (ad7314) Convert to devm_hwmon_device_register_with_groups
2016-06-27 18:58:03 -07:00
ad7414.c
hwmon: (ad7414) Convert to devm_hwmon_device_register_with_groups
2014-08-04 07:01:35 -07:00
ad7418.c
hwmon: (ad7418) Convert to devm_hwmon_device_register_with_groups
2014-08-04 07:01:35 -07:00
adc128d818.c
hwmon: (adc128d818) Do proper sign extension
2015-01-25 21:24:00 -08:00
adcxx.c
spi: Drop owner assignment from spi_drivers
2015-10-28 10:30:17 +09:00
adm1021.c
hwmon: (adm1021) Avoid forward declaration
2014-08-04 07:01:36 -07:00
adm1025.c
hwmon: (adm1025) Fix vrm write operation
2014-08-05 19:44:36 -07:00
adm1026.c
hwmon: (adm1026) Fix vrm write operation
2014-08-05 19:44:36 -07:00
adm1029.c
hwmon: (adm1029) Convert to devm_hwmon_device_register_with_groups
2014-08-04 07:01:35 -07:00
adm1031.c
hwmon: (adm1031) Convert to devm_hwmon_device_register_with_groups
2014-08-04 07:01:37 -07:00
adm9240.c
hwmon: (adm9240) handle temperature readings below 0
2016-10-17 10:16:20 -07:00
ads1015.c
hwmon: (ads1015) Handle negative conversion values correctly
2016-02-18 19:14:04 -08:00
ads7828.c
hwmon: (ads7828) Enable internal reference
2016-04-19 06:30:28 -07:00
ads7871.c
hwmon: (ads7871) Convert to devm_hwmon_device_register_with_groups
2016-06-27 18:58:03 -07:00
adt7x10.c
hwmon: (adt7x10) Add alarm interrupt support
2013-04-07 21:16:38 -07:00
adt7x10.h
hwmon: (adt7x10) Add alarm interrupt support
2013-04-07 21:16:38 -07:00
adt7310.c
spi: Drop owner assignment from spi_drivers
2015-10-28 10:30:17 +09:00
adt7410.c
hwmon: (adt7x10) Add alarm interrupt support
2013-04-07 21:16:38 -07:00
adt7411.c
hwmon: (adt7411) add external thermal diode support
2016-09-08 21:34:14 -07:00
adt7462.c
hwmon: (adt7462) Fix an error return in ADT7462_REG_VOLT()
2020-03-11 07:53:13 +01:00
adt7470.c
hwmon: (adt7470) No need for additional synchronization on kthread_stop()
2016-09-18 10:10:26 -07:00
adt7475.c
hwmon: (adt7475) Make volt2reg return same reg as reg2volt input
2020-01-29 10:24:37 +01:00
amc6821.c
hwmon: (amc6821) sign extension temperature
2017-01-12 11:39:25 +01:00
applesmc.c
hwmon: (applesmc) check status earlier.
2020-09-12 11:47:32 +02:00
asb100.c
hwmon: (asb100) Fix vrm write operation
2014-08-05 19:44:36 -07:00
asc7621.c
hwmon: (asc7621) Make map tables const
2014-08-04 07:01:38 -07:00
asus_atk0110.c
hwmon: (asus_atk0110) fix uninitialized data access
2017-12-25 14:23:40 +01:00
atxp1.c
hwmon: (atxp1) Drop auto-detection
2015-05-31 22:58:36 -07:00
coretemp.c
x86/cpu: Rename cpu_data.x86_mask to cpu_data.x86_stepping
2018-02-22 15:43:55 +01:00
da9052-hwmon.c
hwmon: drop owner assignment from platform_drivers
2014-10-20 16:20:36 +02:00
da9055-hwmon.c
hwmon: drop owner assignment from platform_drivers
2014-10-20 16:20:36 +02:00
dell-smm-hwmon.c
hwmon: Use smp_call_on_cpu() for dell-smm i8k
2016-09-05 13:52:41 +02:00
dme1737.c
hwmon: drop owner assignment from platform_drivers
2014-10-20 16:20:36 +02:00
ds620.c
hwmon: (ds620) Fix overflows seen when writing temperature limits
2017-01-12 11:39:25 +01:00
ds1621.c
hwmon: (ds1621) Update zbits after conversion rate change
2014-08-28 11:18:47 -07:00
emc6w201.c
hwmon: (emc6w201): trivial fix of spelling mistake "Unknwown" -> "Unknown"
2016-06-27 18:58:03 -07:00
emc1403.c
hwmon: Make regmap configs const
2014-08-04 07:01:35 -07:00
emc2103.c
hwmon: (emc2103) fix unable to change fan pwm1_enable attribute
2020-07-22 09:10:53 +02:00
f71805f.c
hwmon: (f71805f) Use request_muxed_region for Super-IO accesses
2019-05-31 06:48:24 -07:00
f71882fg.c
hwmon: (f71882fg) Add support for f81768d
2015-08-09 13:44:26 -07:00
f75375s.c
hwmon: (f75375s) Don't crash the kernel unnecessarily
2013-10-13 16:16:27 -07:00
fam15h_power.c
hwmon: (fam15h_power) Disable preemption when reading registers
2016-06-07 20:11:10 -07:00
fschmd.c
hwmon: Fix checkpatch warning 'quoted string split across lines'
2013-04-07 21:16:40 -07:00
ftsteutates.c
hwmon: (ftsteutates) Add i2c detect functionality
2016-09-08 21:34:16 -07:00
g760a.c
hwmon: (g760a) Convert to devm_hwmon_device_register_with_groups
2014-08-04 07:01:37 -07:00
g762.c
hwmon: (g762) Fix overflows and crash seen when writing limit attributes
2017-01-12 11:39:26 +01:00
gl518sm.c
hwmon: (gl518sm) Convert to devm_hwmon_device_register_with_groups
2014-08-04 07:01:36 -07:00
gl520sm.c
hwmon: (gl520sm) Fix overflows and crash seen when writing into limit attributes
2017-10-08 10:26:04 +02:00
gpio-fan.c
hwmon: (gpio-fan) Remove un-necessary speed_index lookup for thermal hook
2016-02-19 17:14:25 -08:00
hih6130.c
hwmon: (hih6130) Fix missing hih6130->write_length setting
2014-08-05 19:40:27 -07:00
hwmon-vid.c
x86/cpu: Rename cpu_data.x86_mask to cpu_data.x86_stepping
2018-02-22 15:43:55 +01:00
hwmon.c
hwmon: (core) Do not use device managed functions for memory allocations
2020-01-29 10:24:38 +01:00
i5k_amb.c
hwmon: drop owner assignment from platform_drivers
2014-10-20 16:20:36 +02:00
i5500_temp.c
hwmon: (i5500_temp) Convert to use ATTRIBUTE_GROUPS macro
2015-01-24 14:16:22 +01:00
ibmaem.c
hwmon: (ibmaem) constify aem_rw_sensor_template and aem_ro_sensor_template structures
2016-01-04 08:56:22 -08:00
ibmpex.c
hwmon: (ibmpex) Allow format string checking
2015-03-09 09:59:35 -07:00
ibmpowernv.c
hwmon: (ibmpowernv) Remove bogus __init annotations
2018-11-27 16:09:39 +01:00
iio_hwmon.c
hwmon: (iio_hwmon) defer probe when no channel is found
2016-09-08 21:34:17 -07:00
ina2xx.c
hwmon: (ina2xx) Fix current value calculation
2018-12-17 09:38:32 +01:00
ina209.c
hwmon: (ina209) Convert to use devm_hwmon_device_register_with_groups
2013-10-18 09:11:57 -07:00
ina3221.c
hwmon: (ina3221) Fix INA3221_CONFIG_MODE macros
2019-11-25 09:53:51 +01:00
it87.c
hwmon: (it87) Fix pwm4 detection for IT8620 and IT8628
2017-05-14 14:00:13 +02:00
jc42.c
hwmon: (jc42) Fix name to have no illegal characters
2020-05-02 17:23:18 +02:00
jz4740-hwmon.c
hwmon: (jz4740) Convert to devm_hwmon_device_register_with_groups
2016-06-27 18:58:03 -07:00
k8temp.c
x86/cpu: Rename cpu_data.x86_mask to cpu_data.x86_stepping
2018-02-22 15:43:55 +01:00
k10temp.c
x86/cpu: Rename cpu_data.x86_mask to cpu_data.x86_stepping
2018-02-22 15:43:55 +01:00
Kconfig
hwmon: (lm95245) Select REGMAP_I2C
2016-09-13 07:27:34 -07:00
lineage-pem.c
hwmon: (lineage-pem) Convert to devm_hwmon_device_register_with_groups
2014-08-04 07:01:37 -07:00
lm63.c
hwmon: (lm63) Fix smatch warnings
2014-08-04 07:01:36 -07:00
lm70.c
spi: Drop owner assignment from spi_drivers
2015-10-28 10:30:17 +09:00
lm73.c
hwmon: (lm73) Convert to use devm_hwmon_device_register_with_groups
2013-10-13 16:16:28 -07:00
lm75.c
hwmon: (lm75) Fix write operations for negative temperatures
2020-01-29 10:24:30 +01:00
lm75.h
hwmon: (lm75.h) Update header inclusion
2013-03-18 21:19:49 +01:00
lm77.c
hwmon: (lm77) Prevent overflow problem when writing large limits
2014-07-31 09:41:46 -07:00
lm78.c
hwmon: drop owner assignment from platform_drivers
2014-10-20 16:20:36 +02:00
lm80.c
hwmon: (lm80) Fix missing unlock on error in set_fan_div()
2019-02-23 09:05:58 +01:00
lm83.c
hwmon: (lm83) Convert to use devm_hwmon_device_register_with_groups
2014-05-21 16:02:26 -07:00
lm85.c
hwmon: (lm85) use find_closest() in x_TO_REG() functions
2015-04-17 09:03:55 -04:00
lm87.c
hwmon: (lm87) Fix vrm write operation
2014-08-05 19:44:42 -07:00
lm90.c
hwmon: (lm90) Fix max6658 sporadic wrong temperature reading
2021-03-17 16:10:18 +01:00
lm92.c
hwmon: (lm92) Prevent overflow problem when writing large limits
2014-08-05 17:48:52 -07:00
lm93.c
hwmon: (lm93) Convert to devm_hwmon_device_register_with_groups
2014-08-04 07:01:36 -07:00
lm95234.c
hwmon: (lm95234) Add support for LM95233
2014-12-02 06:11:53 -08:00
lm95241.c
hwmon: (lm95241) Update module description to include LM95231
2016-09-13 07:28:01 -07:00
lm95245.c
hwmon: (lm95245) Use new hwmon registration API
2016-09-08 21:34:18 -07:00
ltc2945.c
hwmon: Make regmap configs const
2014-08-04 07:01:35 -07:00
ltc2990.c
hwmon: Add LTC2990 sensor driver
2016-03-05 06:25:34 -08:00
ltc4151.c
hwmon: (ltc4151) Make shunt-resistor configurable
2016-09-08 21:34:16 -07:00
ltc4215.c
hwmon: (ltc4215) Convert to devm_hwmon_device_register_with_groups
2014-03-03 08:01:05 -08:00
ltc4222.c
hwmon: Make regmap configs const
2014-08-04 07:01:35 -07:00
ltc4245.c
hwmon: (ltc4245) Convert to use new hwmon registration API
2016-09-08 21:34:18 -07:00
ltc4260.c
hwmon: Make regmap configs const
2014-08-04 07:01:35 -07:00
ltc4261.c
hwmon: (ltc4261) fix coccinelle warnings
2013-10-18 09:12:00 -07:00
Makefile
hwmon: Add xgene hwmon driver
2016-09-08 21:34:16 -07:00
max197.c
hwmon: (max197) Constify platform_device_id
2015-05-31 22:58:36 -07:00
max1111.c
hwmon: (max1111) Return -ENODEV from max1111_read_channel if not instantiated
2016-03-27 10:37:48 -07:00
max1619.c
hwmon: (max1619) Convert to use devm_hwmon_device_register_with_groups
2014-05-21 16:02:25 -07:00
max1668.c
hwmon: (max1668) Make max1668_addr_list array const
2014-08-04 07:01:39 -07:00
max6639.c
hwmon: (max6639) Make normal_i2c array const
2014-08-04 07:01:39 -07:00
max6642.c
Update Jean Delvare's e-mail address
2014-01-29 20:40:08 +01:00
max6650.c
hwmon: (max6650) Allow fan shutdown and initial rpm target
2016-09-08 21:34:17 -07:00
max6697.c
hwmon: (max6697) Make sure the OVERT mask is set correctly
2020-07-09 09:35:56 +02:00
max16065.c
hwmon: (max16065) Use PTR_ERR_OR_ZERO
2014-08-04 07:01:38 -07:00
max31722.c
hwmon: (max31722) Add support for MAX31722/MAX31723 temperature sensors
2016-04-19 06:32:34 -07:00
max31790.c
hwmon: (max31790) Set correct PWM value
2017-12-25 14:23:38 +01:00
mc13783-adc.c
hwmon: drop owner assignment from platform_drivers
2014-10-20 16:20:36 +02:00
mcp3021.c
hwmon: (mcp3021) Fix broken output scaling
2015-07-01 13:56:27 -07:00
menf21bmc_hwmon.c
Merge branch 'platform/remove_owner' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux into driver-core-next
2014-11-03 19:53:56 -08:00
nct6683.c
hwmon: (nct6683) Add basic support for NCT6683 on Mitac boards
2016-01-09 07:31:58 -08:00
nct6775.c
hwmon: (nct6775) Fix register address and added missed tolerance for nct6106
2019-08-25 10:51:24 +02:00
nct7802.c
hwmon: (nct7802) Fix voltage limits to wrong registers
2020-01-29 10:24:39 +01:00
nct7904.c
hwmon: (nct7904) Convert to use new hwmon registration API
2016-09-08 21:34:18 -07:00
nsa320-hwmon.c
hwmon: Create an NSA320 hardware monitoring driver
2016-03-08 18:40:49 -08:00
ntc_thermistor.c
hwmon: (ntc_thermistor) Use devm_hwmon_device_register_with_groups
2016-09-08 21:34:15 -07:00
pc87360.c
hwmon: drop owner assignment from platform_drivers
2014-10-20 16:20:36 +02:00
pc87427.c
hwmon: (pc87427) Use request_muxed_region for Super-IO accesses
2019-05-31 06:48:24 -07:00
pcf8591.c
Update Jean Delvare's e-mail address
2014-01-29 20:40:08 +01:00
powr1220.c
hwmon: Add support for Lattice's POWR1220 power manager IC
2014-08-04 07:01:33 -07:00
pwm-fan.c
hwmon: (pwm-fan) Silence error on probe deferral
2019-11-25 09:53:51 +01:00
s3c-hwmon.c
hwmon: drop owner assignment from platform_drivers
2014-10-20 16:20:36 +02:00
sch56xx-common.c
hwmon: (sch56xx) Drop watchdog driver data reference count callbacks
2015-12-29 20:36:04 +01:00
sch56xx-common.h
…
sch5627.c
hwmon: drop owner assignment from platform_drivers
2014-10-20 16:20:36 +02:00
sch5636.c
hwmon: (sch5636) trivial fix of spelling mistake on revision
2016-04-25 07:26:29 -07:00
scpi-hwmon.c
hwmon: (scpi) Fix module autoload
2017-01-12 11:39:25 +01:00
sht3x.c
hwmon: (sht3x) set initial jiffies to last_update
2016-07-31 14:56:36 -07:00
sht15.c
hwmon:change sht15_reverse()
2015-08-10 23:00:10 -07:00
sht21.c
hwmon: (sht21) Convert to devm_hwmon_device_register_with_groups
2014-08-04 07:01:38 -07:00
shtc1.c
hwmon: (shtc1) fix shtc1 and shtw1 id mask
2020-01-29 10:24:31 +01:00
sis5595.c
hwmon: drop owner assignment from platform_drivers
2014-10-20 16:20:36 +02:00
smm665.c
hwmon: (smm665) Convert to devm_hwmon_device_register_with_groups
2014-08-04 07:01:37 -07:00
smsc47b397.c
hwmon: (smsc47b397) Use request_muxed_region for Super-IO accesses
2019-05-31 06:48:24 -07:00
smsc47m1.c
hwmon: (smsc47m1) Use request_muxed_region for Super-IO accesses
2019-05-31 06:48:24 -07:00
smsc47m192.c
hwmon: (smsc47m192) Convert to devm_hwmon_device_register_with_groups
2014-08-04 07:01:39 -07:00
tc74.c
hwmon: add driver for Microchip TC74
2015-06-21 22:54:53 -07:00
thmc50.c
hwmon: (thmc50) Convert to devm_hwmon_device_register_with_groups
2014-08-04 07:01:39 -07:00
tmp102.c
hwmon: (tmp102) Convert to use new hwmon registration API
2016-09-08 21:34:17 -07:00
tmp103.c
hwmon: (tmp103) Fix resource leak bug in tmp103 temperature sensor driver
2014-09-22 11:11:48 -07:00
tmp401.c
hwmon: (tmp401) Add support for TI TMP461
2016-06-27 18:58:03 -07:00
tmp421.c
hwmon: (tmp421) Convert to use new hwmon registration API
2016-09-08 21:34:18 -07:00
twl4030-madc-hwmon.c
hwmon: drop owner assignment from platform_drivers
2014-10-20 16:20:36 +02:00
ultra45_env.c
hwmon: drop owner assignment from platform_drivers
2014-10-20 16:20:36 +02:00
vexpress-hwmon.c
hwmon: (vexpress) rename vexpress hwmon implementation
2016-03-05 06:25:33 -08:00
via686a.c
hwmon: drop owner assignment from platform_drivers
2014-10-20 16:20:36 +02:00
via-cputemp.c
hwmon: drop owner assignment from platform_drivers
2014-10-20 16:20:36 +02:00
vt1211.c
hwmon: (vt1211) Use request_muxed_region for Super-IO accesses
2019-05-31 06:48:23 -07:00
vt8231.c
hwmon: drop owner assignment from platform_drivers
2014-10-20 16:20:36 +02:00
w83l785ts.c
hwmon: Avoid initializing the same field twice
2014-04-04 18:01:34 +02:00
w83l786ng.c
hwmon: (w83l786ng) Convert to devm_hwmon_device_register_with_groups
2014-08-04 07:01:34 -07:00
w83627ehf.c
hwmon: (w83627ehf) Use swap() in w82627ehf_swap_tempreg()
2015-07-03 14:39:06 +02:00
w83627hf.c
hwmon: (w83627hf) Use request_muxed_region for Super-IO accesses
2020-01-29 10:24:21 +01:00
w83781d.c
hwmon: drop owner assignment from platform_drivers
2014-10-20 16:20:36 +02:00
w83791d.c
hwmon: (w83791d) Fix vrm write operation
2014-08-05 19:44:42 -07:00
w83792d.c
hwmon: (w83792d) Additional PWM outputs support
2015-07-03 14:39:05 +02:00
w83793.c
hwmon: (w83793) Fix vrm write operation
2014-08-05 19:44:42 -07:00
w83795.c
hwmon: (w83795) temp4_type has writable permission
2018-12-17 09:38:32 +01:00
wm831x-hwmon.c
hwmon: drop owner assignment from platform_drivers
2014-10-20 16:20:36 +02:00
wm8350-hwmon.c
hwmon: drop owner assignment from platform_drivers
2014-10-20 16:20:36 +02:00
xgene-hwmon.c
hwmon: (xgene) access mailbox as RAM
2016-09-09 14:54:53 -07:00