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c5bd9719b53be9afe872bc03a88ba5df3a5fd00e
android_kernel_xiaomi_sm8450/drivers/hwmon
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Lars-Peter Clausen c5bd9719b5 hwmon: (ucd90320) Add minimum delay between bus accesses 
[ Upstream commit 8d655e65237643c48ada2c131b83679bf1105373 ]

When probing the ucd90320 access to some of the registers randomly fails.
Sometimes it NACKs a transfer, sometimes it returns just random data and
the PEC check fails.

Experimentation shows that this seems to be triggered by a register access
directly back to back with a previous register write. Experimentation also
shows that inserting a small delay after register writes makes the issue go
away.

Use a similar solution to what the max15301 driver does to solve the same
problem. Create a custom set of bus read and write functions that make sure
that the delay is added.

Fixes: a470f11c5b ("hwmon: (pmbus/ucd9000) Add support for UCD90320 Power Sequencer")
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Link: https://lore.kernel.org/r/20230312160312.2227405-1-lars@metafoo.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-03-22 13:30:01 +01:00
..
occ
hwmon: (occ) Fix poll rate limiting
2021-05-19 10:13:13 +02:00
pmbus
hwmon: (ucd90320) Add minimum delay between bus accesses
2023-03-22 13:30:01 +01:00
ab8500.c
hwmon: ab8500: Convert to IIO ADC
2019-10-18 19:37:08 +01:00
abituguru3.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61
2019-05-24 17:36:45 +02:00
abituguru.c
hwmon: abituguru: make array probe_order static, makes object smaller
2019-11-06 14:37:19 -08:00
abx500.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 197
2019-05-30 11:29:22 -07:00
abx500.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 197
2019-05-30 11:29:22 -07:00
acpi_power_meter.c
hwmon: (acpi_power_meter) Fix potential memory leak in acpi_power_meter_add()
2020-06-25 16:06:06 -07:00
ad7314.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 149
2019-05-30 11:25:18 -07:00
ad7414.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
ad7418.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
adc128d818.c
hwmon: use simple i2c probe function (take 2)
2020-09-23 09:42:40 -07:00
adcxx.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61
2019-05-24 17:36:45 +02:00
adm1021.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
adm1025.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
adm1026.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
adm1029.c
hwmon: (adm1029) use simple i2c probe
2020-09-23 09:42:39 -07:00
adm1031.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
adm1177.c
hwmon: (adm1177) use simple i2c probe
2020-09-23 09:42:39 -07:00
adm9240.c
hwmon: (adm9240) Convert to regmap
2020-09-24 07:44:51 -07:00
ads7828.c
hwmon: use simple i2c probe function (take 2)
2020-09-23 09:42:40 -07:00
ads7871.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 51
2019-05-24 17:36:42 +02:00
adt7x10.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61
2019-05-24 17:36:45 +02:00
adt7x10.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
adt7310.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 149
2019-05-30 11:25:18 -07:00
adt7410.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
adt7411.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
adt7462.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
adt7470.c
hwmon: (adt7470) Fix warning on module removal
2022-05-12 12:25:37 +02:00
adt7475.c
hwmon: (adt7475) Fix masking of hysteresis registers
2023-03-22 13:30:00 +01:00
amc6821.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
amd_energy.c
hwmon: (amd_energy) fix allocation of hwmon_channel_info config
2021-01-12 20:18:22 +01:00
applesmc.c
hwmon: (applesmc) Re-work SMC comms
2020-11-12 07:00:59 -08:00
as370-hwmon.c
hwmon: (as370-hwmon) fix devm_platform_ioremap_resource.cocci warnings
2019-09-03 12:47:17 -07:00
asb100.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
asc7621.c
hwmon: (asc7621) use simple i2c probe
2020-09-23 09:42:40 -07:00
aspeed-pwm-tacho.c
hwmon: (aspeed-pwm-tacho) Avoid possible buffer overflow
2020-07-05 20:45:45 -07:00
asus_atk0110.c
hwmon: (asus_atk0110) no need to check return value of debugfs_create functions
2019-06-23 18:33:01 -07:00
atxp1.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
axi-fan-control.c
hwmon: (axi-fan-control) remove duplicate macros
2020-08-04 14:27:20 -07:00
bt1-pvt.c
hwmon: (bt1-pvt) Wait for the completion with timeout
2020-10-04 08:40:10 -07:00
bt1-pvt.h
hwmon: (bt1-pvt) Cache current update timeout
2020-10-04 08:40:10 -07:00
coretemp.c
hwmon: (coretemp) Simplify platform device handling
2023-03-11 16:39:53 +01:00
corsair-cpro.c
hwmon: (corsair-cpro) add reading pwm values
2020-07-24 07:44:57 -07:00
da9052-hwmon.c
hwmon: (da9052) Synchronize access with mfd
2020-05-13 10:06:09 -07:00
da9055-hwmon.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
dell-smm-hwmon.c
hwmon: (dell-smm) Speed up setting of fan speed
2022-02-16 12:54:30 +01:00
dme1737.c
hwmon: (dme1737) use simple i2c probe
2020-09-23 09:42:40 -07:00
drivetemp.c
hwmon: (drivetemp) Add module alias
2022-08-21 15:15:35 +02:00
ds620.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
ds1621.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
emc6w201.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
emc1403.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
emc2103.c
hwmon: (emc2103) use simple i2c probe
2020-09-23 09:42:40 -07:00
f71805f.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61
2019-05-24 17:36:45 +02:00
f71882fg.c
hwmon: (f71882fg) Fix negative temperature
2022-05-18 10:23:45 +02:00
f75375s.c
hwmon: (f75375s) use simple i2c probe
2020-09-23 09:42:40 -07:00
fam15h_power.c
x86/msr: Lift AMD family 0x15 power-specific MSRs
2020-06-15 19:25:53 +02:00
fschmd.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
ftsteutates.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
g760a.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
g762.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
gl518sm.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
gl520sm.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
gpio-fan.c
hwmon: (gpio-fan) Fix array out of bounds access
2022-09-08 11:11:38 +02:00
gsc-hwmon.c
hwmon: (gsc-hwmon) Call of_node_get() before of_find_xxx API
2022-10-26 13:25:09 +02:00
hih6130.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
hwmon-vid.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
hwmon.c
hwmon: Handle failure to register sensor with thermal zone correctly
2022-03-02 11:42:48 +01:00
i5k_amb.c
hwmon: (i5k_amb, vt8231) Drop uses of pci_read_config_*() return value
2020-08-04 14:24:39 -07:00
i5500_temp.c
hwmon: (i5500_temp) fix missing pci_disable_device()
2022-12-08 11:23:55 +01:00
ibmaem.c
hwmon: (ibmaem) don't call platform_device_del() if platform_device_add() fails
2022-07-07 17:52:20 +02:00
ibmpex.c
hwmon: (ibmpex) Fix possible UAF when ibmpex_register_bmc() fails
2022-12-08 11:23:55 +01:00
ibmpowernv.c
hwmon: (ibmpowernv) Use scnprintf() for avoiding potential buffer overflow
2020-03-11 08:09:31 -07:00
iio_hwmon.c
hwmon: (iio_hwmon) Enable power exporting from IIO
2019-09-03 12:47:17 -07:00
ina2xx.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
ina209.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
ina3221.c
hwmon: (ina3221) return prober error code
2023-03-22 13:30:01 +01:00
intel-m10-bmc-hwmon.c
hwmon: Add hwmon driver for Intel MAX 10 BMC
2020-10-04 08:40:10 -07:00
it87.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
jc42.c
hwmon: (jc42) Fix missing unlock on error in jc42_write()
2023-01-14 10:16:20 +01:00
k8temp.c
hwmon: (k8temp) update to use new hwmon registration API
2019-09-03 12:47:17 -07:00
k10temp.c
hwmon: (k10temp) Remove support for displaying voltage and current on Zen CPUs
2020-12-30 11:52:55 +01:00
Kconfig
hwmon: (jc42) Convert register access and caching to regmap/regcache
2023-01-14 10:15:37 +01:00
lineage-pem.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
lm63.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
lm70.c
hwmon: (lm70) Revert "hwmon: (lm70) Add support for ACPI"
2021-07-14 16:56:07 +02:00
lm73.c
hwmon: (lm73) use simple i2c probe
2020-09-23 09:42:40 -07:00
lm75.c
hwmon: (lm75) Add regulator support
2020-10-04 08:40:10 -07:00
lm75.h
hwmon: (lm75) Fix all coding-style warnings on lm75 driver
2020-05-22 06:28:38 -07:00
lm77.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
lm78.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
lm80.c
Revert "hwmon: (lm80) fix a missing check of bus read in lm80 probe"
2021-05-26 12:06:54 +02:00
lm83.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
lm85.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
lm87.c
hwmon: use simple i2c probe function (take 2)
2020-09-23 09:42:40 -07:00
lm90.c
hwmon: (lm90) Mark alert as broken for MAX6654
2022-02-01 17:25:46 +01:00
lm92.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
lm93.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
lm95234.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
lm95241.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
lm95245.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
lochnagar-hwmon.c
hwmon: lochnagar: Add Lochnagar 2 hardware monitoring driver
2019-04-15 17:19:53 -07:00
ltc2945.c
hwmon: (ltc2945) Handle error case in ltc2945_value_store
2023-03-11 16:39:37 +01:00
ltc2947-core.c
hwmon: (ltc2947) fix temperature scaling
2022-12-08 11:23:54 +01:00
ltc2947-i2c.c
hwmon: (ltc2947) use simple i2c probe
2020-09-23 09:42:40 -07:00
ltc2947-spi.c
hwmon: Add support for ltc2947
2019-11-06 14:37:19 -08:00
ltc2947.h
hwmon: Add support for ltc2947
2019-11-06 14:37:19 -08:00
ltc2990.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
ltc4151.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
ltc4215.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
ltc4222.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
ltc4245.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
ltc4260.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
ltc4261.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
ltq-cputemp.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13
2019-05-21 11:28:45 +02:00
Makefile
Merge tag 'mfd-next-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
2020-10-14 15:56:58 -07:00
max197.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
max1111.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 332
2019-06-05 17:37:06 +02:00
max1619.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
max1668.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
max6621.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
max6639.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
max6642.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
max6650.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
max6697.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
max16065.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
max31722.c
hwmon: (max31722) Remove non-standard ACPI device IDs
2021-07-14 16:56:07 +02:00
max31730.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
max31790.c
hwmon: (max31790) Fix fan speed reporting for fan7..12
2021-07-14 16:56:08 +02:00
mc13783-adc.c
hwmon: (mc13783-adc) Use permission specific SENSOR[_DEVICE]_ATTR variants
2019-02-18 14:23:29 -08:00
mcp3021.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
menf21bmc_hwmon.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
mlxreg-fan.c
hwmon: (mlxreg-fan) Return zero speed for broken fan
2023-03-11 16:39:37 +01:00
mr75203.c
hwmon: (mr75203) enable polling for all VM channels
2022-09-15 11:32:06 +02:00
nct6683.c
hwmon: (nct6683) Replace container_of() with kobj_to_dev()
2020-07-19 16:25:20 -07:00
nct6775.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
nct7802.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
nct7904.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
npcm750-pwm-fan.c
hwmon: (npcm750-pwm-fan) Remove dev_err() usage after platform_get_irq()
2019-09-03 12:47:17 -07:00
nsa320-hwmon.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 408
2019-06-05 17:37:14 +02:00
ntc_thermistor.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
pc87360.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61
2019-05-24 17:36:45 +02:00
pc87427.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
pcf8591.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
powr1220.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
pwm-fan.c
hwmon: (pwm-fan) Ensure that calculation doesn't discard big period values
2021-01-19 18:27:25 +01:00
raspberrypi-hwmon.c
hwmon: (raspberrypi) update MODULE_AUTHOR() email address
2019-09-03 12:47:17 -07:00
s3c-hwmon.c
ARM: s3c: adc: move header to linux/soc/samsung
2020-08-19 21:44:11 +02:00
sch56xx-common.c
hwmon: (sch56xx-common) Replace WDOG_ACTIVE with WDOG_HW_RUNNING
2022-04-08 14:40:00 +02:00
sch56xx-common.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
sch5627.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
sch5636.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
scmi-hwmon.c
hwmon: (scmi-hwmon) Avoid comma separated statements
2020-09-23 09:42:41 -07:00
scpi-hwmon.c
hwmon: (scpi-hwmon) shows the negative temperature properly
2021-06-23 14:42:49 +02:00
sht3x.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
sht15.c
docs: hwmon: Add an index file and rename docs to *.rst
2019-04-17 10:37:23 -07:00
sht21.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
shtc1.c
hwmon: shtc1: add support for device tree bindings
2020-09-23 09:42:40 -07:00
sis5595.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61
2019-05-24 17:36:45 +02:00
sl28cpld-hwmon.c
hwmon: Add support for the sl28cpld hardware monitoring controller
2020-09-17 16:02:42 +01:00
smm665.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
smsc47b397.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61
2019-05-24 17:36:45 +02:00
smsc47m1.c
hwmon: (smsc47m1) fix (suspicious) outside array bounds warnings
2019-06-23 18:33:01 -07:00
smsc47m192.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
sparx5-temp.c
hwmon: (sparx5) Fix initial reading of temperature
2020-09-23 09:39:40 -07:00
stts751.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
tc74.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
tc654.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
thmc50.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
tmp102.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
tmp103.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
tmp108.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
tmp401.c
hwmon: (tmp401) Add OF device ID table
2022-05-18 10:23:42 +02:00
tmp421.c
hwmon: (tmp421) fix rounding for negative values
2021-10-06 15:55:53 +02:00
tmp513.c
hwmon: (tmp513) fix spelling typo in comments
2020-10-04 08:40:10 -07:00
ultra45_env.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
vexpress-hwmon.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
via686a.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61
2019-05-24 17:36:45 +02:00
via-cputemp.c
hwmon: Convert to new X86 CPU match macros
2020-03-24 21:33:36 +01:00
vt1211.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61
2019-05-24 17:36:45 +02:00
vt8231.c
hwmon: (i5k_amb, vt8231) Drop uses of pci_read_config_*() return value
2020-08-04 14:24:39 -07:00
w83l785ts.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
w83l786ng.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
w83627ehf.c
hwmon: (w83627ehf) Fix a resource leak in probe
2020-09-23 09:40:33 -07:00
w83627hf.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
w83773g.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
w83781d.c
hwmon: use simple i2c probe function
2020-09-23 09:42:39 -07:00
w83791d.c
hwmon: (w83791d) Fix NULL pointer dereference by removing unnecessary structure field
2021-10-06 15:55:47 +02:00
w83792d.c
hwmon: (w83792d) Fix NULL pointer dereference by removing unnecessary structure field
2021-10-06 15:55:47 +02:00
w83793.c
hwmon: (w83793) Fix NULL pointer dereference by removing unnecessary structure field
2021-10-06 15:55:47 +02:00
w83795.c
hwmon: use simple i2c probe function (take 2)
2020-09-23 09:42:40 -07:00
wm831x-hwmon.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 271
2019-06-05 17:30:30 +02:00
wm8350-hwmon.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 271
2019-06-05 17:30:30 +02:00
xgene-hwmon.c
hwmon: (xgene) Fix use after free bug in xgene_hwmon_remove due to race condition
2023-03-22 13:30:01 +01:00