[ Upstream commit 813cc94c78 ]
Smatch reports:
drivers/hwmon/xgene-hwmon.c:757 xgene_hwmon_probe() warn:
'ctx->pcc_comm_addr' from ioremap() not released on line: 757.
This is because in drivers/hwmon/xgene-hwmon.c:701 xgene_hwmon_probe(),
ioremap and memremap is not released, which may cause a leak.
To fix this, ioremap and memremap is modified to devm_ioremap and
devm_memremap.
Signed-off-by: Tianyi Jing <jingfelix@hust.edu.cn>
Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn>
Link: https://lore.kernel.org/r/20230318143851.2191625-1-jingfelix@hust.edu.cn
[groeck: Fixed formatting and subject]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 968b66ffeb ]
Fix voltage scaling for chips that have 10.9mV ADCs, where scaling was
not performed.
Fixes: ead8080351 ("hwmon: (it87) Add support for IT8732F")
Signed-off-by: Frank Crawford <frank@crawford.emu.id.au>
Link: https://lore.kernel.org/r/20230318080543.1226700-2-frank@crawford.emu.id.au
[groeck: Update subject and description to focus on bug fix]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 2315332efc ]
It is not sufficient to check of_node in current device.
In some cases, this would cause the sensor registration to fail.
This patch looks for device's ancestors to find a valid of_node if any.
Fixes: d560168b5d ("hwmon: (core) New hwmon registration API")
Signed-off-by: Phinex Hung <phinex@realtek.com>
Link: https://lore.kernel.org/r/20230321060224.3819-1-phinex@realtek.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit ab00709310 ]
The ltc2992 drivers uses a mutex and I2C bus access in its GPIO chip `set`
and `get` implementation. This means these functions can sleep and the GPIO
chip should set the `can_sleep` property to true.
This will ensure that a warning is printed when trying to set or get the
GPIO value from a context that potentially can't sleep.
Fixes: 9ca26df1ba ("hwmon: (ltc2992) Add support for GPIOs.")
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Link: https://lore.kernel.org/r/20230314093146.2443845-2-lars@metafoo.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit a5bb73b3f5 ]
The adm1266 driver uses I2C bus access in its GPIO chip `set` and `get`
implementation. This means these functions can sleep and the GPIO chip
should set the `can_sleep` property to true.
This will ensure that a warning is printed when trying to set or get the
GPIO value from a context that potentially can't sleep.
Fixes: d98dfad35c ("hwmon: (pmbus/adm1266) Add support for GPIOs")
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Link: https://lore.kernel.org/r/20230314093146.2443845-1-lars@metafoo.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 00d85e8179 ]
The driver will match mostly by DT table (even thought there is regular
ID table) so there is little benefit in of_match_ptr (this also allows
ACPI matching via PRP0001, even though it might not be relevant here).
This also fixes !CONFIG_OF error:
drivers/hwmon/tmp513.c:610:34: error: ‘tmp51x_of_match’ defined but not used [-Werror=unused-const-variable=]
Fixes: 59dfa75e5d ("hwmon: Add driver for Texas Instruments TMP512/513 sensor chips.")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230312193723.478032-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 8d655e6523 ]
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>
[ Upstream commit c93f5e2ab5 ]
ret is set to 0 which do not indicate an error.
Return -EINVAL instead.
Fixes: a9e9dd9c6d ("hwmon: (ina3221) Read channel input source info from DT")
Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Link: https://lore.kernel.org/r/20230310075035.246083-1-marcus.folkesson@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit cb090e64cf ]
In xgene_hwmon_probe, &ctx->workq is bound with xgene_hwmon_evt_work.
Then it will be started.
If we remove the driver which will call xgene_hwmon_remove to clean up,
there may be unfinished work.
The possible sequence is as follows:
Fix it by finishing the work before cleanup in xgene_hwmon_remove.
CPU0 CPU1
|xgene_hwmon_evt_work
xgene_hwmon_remove |
kfifo_free(&ctx->async_msg_fifo);|
|
|kfifo_out_spinlocked
|//use &ctx->async_msg_fifo
Fixes: 2ca492e22c ("hwmon: (xgene) Fix crash when alarm occurs before driver probe")
Signed-off-by: Zheng Wang <zyytlz.wz@163.com>
Link: https://lore.kernel.org/r/20230310084007.1403388-1-zyytlz.wz@163.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 48e8186870 ]
The wrong bits are masked in the hysteresis register; indices 0 and 2
should zero bits [7:4] and preserve bits [3:0], and index 1 should zero
bits [3:0] and preserve bits [7:4].
Fixes: 1c301fc539 ("hwmon: Add a driver for the ADT7475 hardware monitoring chip")
Signed-off-by: Tony O'Brien <tony.obrien@alliedtelesis.co.nz>
Link: https://lore.kernel.org/r/20230222005228.158661-3-tony.obrien@alliedtelesis.co.nz
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 5f8d1e3b6f ]
Throughout the ADT7475 driver, attributes relating to the temperature
sensors are displayed in the order Remote 1, Local, Remote 2. Make
temp_st_show() conform to this expectation so that values set by
temp_st_store() can be displayed using the correct attribute.
Fixes: 8f05bcc33e ("hwmon: (adt7475) temperature smoothing")
Signed-off-by: Tony O'Brien <tony.obrien@alliedtelesis.co.nz>
Link: https://lore.kernel.org/r/20230222005228.158661-2-tony.obrien@alliedtelesis.co.nz
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
commit 2fbb848b65 upstream.
Commit 4ef2774511 ("hwmon: (nct6775) Convert register access to
regmap API") fumbled the shifting & masking of the fan_div values such
that odd-numbered fan divisors would always be set to zero. Fix it so
that we actually OR in the bits we meant to.
Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Fixes: 4ef2774511 ("hwmon: (nct6775) Convert register access to regmap API")
Cc: stable@kernel.org # v5.19+
Link: https://lore.kernel.org/r/20230102212857.5670-1-zev@bewilderbeest.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit f00093608f upstream.
The find_last_bit() call produces the index of the highest-numbered
core in core_mask; because cores are numbered from zero, the number of
elements we need to allocate is one more than that.
Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Cc: stable@kernel.org # v5.18
Fixes: bf3608f338 ("hwmon: peci: Add cputemp driver")
Reviewed-by: Iwona Winiarska <iwona.winiarska@intel.com>
Link: https://lore.kernel.org/r/20230202021825.21486-1-zev@bewilderbeest.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[ Upstream commit c3b3747d02 ]
New ASUS B650/B660/X670 boards firmware have not exposed WMI monitoring
GUID and entrypoint method WMBD could be implemented for different device
UID.
Implement the direct call to entrypoint method for monitoring the device
UID of B550/X570 boards.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=204807
Signed-off-by: Denis Pauk <pauk.denis@gmail.com>
Co-developed-by: Ahmad Khalifa <ahmad@khalifa.ws>
Signed-off-by: Ahmad Khalifa <ahmad@khalifa.ws>
Link: https://lore.kernel.org/r/20230111212241.7456-1-pauk.denis@gmail.com
[groeck: Fix multi-line formatting]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 6d03bbff45 ]
Coretemp's platform driver is unconventional. All the real work is done
globally by the initcall and CPU hotplug notifiers, while the "driver"
effectively just wraps an allocation and the registration of the hwmon
interface in a long-winded round-trip through the driver core. The whole
logic of dynamically creating and destroying platform devices to bring
the interfaces up and down is error prone, since it assumes
platform_device_add() will synchronously bind the driver and set drvdata
before it returns, thus results in a NULL dereference if drivers_autoprobe
is turned off for the platform bus. Furthermore, the unusual approach of
doing that from within a CPU hotplug notifier, already commented in the
code that it deadlocks suspend, also causes lockdep issues for other
drivers or subsystems which may want to legitimately register a CPU
hotplug notifier from a platform bus notifier.
All of these issues can be solved by ripping this unusual behaviour out
completely, simply tying the platform devices to the lifetime of the
module itself, and directly managing the hwmon interfaces from the
hotplug notifiers. There is a slight user-visible change in that
/sys/bus/platform/drivers/coretemp will no longer appear, and
/sys/devices/platform/coretemp.n will remain present if package n is
hotplugged off, but hwmon users should really only be looking for the
presence of the hwmon interfaces, whose behaviour remains unchanged.
Link: https://lore.kernel.org/lkml/20220922101036.87457-1-janusz.krzysztofik@linux.intel.com/
Link: https://gitlab.freedesktop.org/drm/intel/issues/6641
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>
Link: https://lore.kernel.org/r/20230103114620.15319-1-janusz.krzysztofik@linux.intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit a1ffd3c462 ]
Currently for broken fan driver returns value calculated based on error
code (0xFF) in related fan speed register.
Thus, for such fan user gets fan{n}_fault to 1 and fan{n}_input with
misleading value.
Add check for fan fault prior return speed value and return zero if
fault is detected.
Fixes: 65afb4c8e7 ("hwmon: (mlxreg-fan) Add support for Mellanox FAN driver")
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/20230212145730.24247-1-vadimp@nvidia.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 178b01eccf ]
ltc2945_val_to_reg errors were not being handled
which would have resulted in register being set to
0 (clamped) instead of being left alone.
Fixes: 6700ce035f ("hwmon: Driver for Linear Technologies LTC2945")
Signed-off-by: Jonathan Cormier <jcormier@criticallink.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit ca8fd8c16a ]
A user complained that the ftsteutates driver was displaying
bogus values since its introduction. This happens because the
sensor measurements need to be scaled in order to produce
meaningful results:
- the fan speed needs to be multiplied by 60 since its in RPS
- the temperature is in degrees celsius and needs an offset of 64
- the voltage is in 1/256 of 3.3V
The offical datasheet says the voltage needs to be divided by 256,
but this is likely an off-by-one-error, since even the BIOS
devides by 255 (otherwise 3.3V could not be measured).
The voltage channels additionally need a board-specific multiplier,
however this can be done by the driver since its board-specific.
The reason the missing scaling of measurements is the way Fujitsu
used this driver when it was still out-of-tree. Back then, all
scaling was done in userspace by libsensors, even the generic one.
Tested on a Fujitsu DS3401-B1.
Fixes: 08426eda58 ("hwmon: Add driver for FTS BMC chip "Teutates"")
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20221224041855.83981-2-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit b744db17ab ]
Add the missing unlock before return from function jc42_write()
in the error handling case.
Fixes: 37dedaee8bc6 ("hwmon: (jc42) Convert register access and caching to regmap/regcache")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20221027062931.598247-1-yangyingliang@huawei.com
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 1864069c69 ]
Boards such as
* ProArt B550-CREATOR
* ProArt Z490-CREATOR 10G
* ROG CROSSHAIR VIII EXTREME
* ROG CROSSHAIR VIII HERO (WI-FI)
* TUF GAMING B550M-E
* TUF GAMING B550M-E (WI-FI)
* TUF GAMING B550M-PLUS WIFI II
have got a nct6775 chip, but by default there's no use of it
because of resource conflict with WMI method.
This commit adds such boards to the WMI monitoring list.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=204807
Signed-off-by: Denis Pauk <pauk.denis@gmail.com>
Reported-by: yutesdb <mundanedefoliation@gmail.com>
Tested-by: yutesdb <mundanedefoliation@gmail.com>
Link: https://lore.kernel.org/r/20221114214456.3891-1-pauk.denis@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 364ffd2537 ]
There are fields 'last_hwmon_state' and 'last_thermal_state' in the
structure 'emc2305_cdev_data', which respectively store the cooling state
set by the 'hwmon' and 'thermal' subsystem, and the driver author hopes
that if the state set by 'hwmon' is lower than the value set by 'thermal',
the driver will just save it without actually setting the pwm. Currently,
the 'last_thermal_state' also be updated by 'hwmon', which will cause the
cooling state to never be set to a lower value. This patch fixes that.
Signed-off-by: Xingjiang Qiao <nanpuyue@gmail.com>
Link: https://lore.kernel.org/r/20221206055331.170459-2-nanpuyue@gmail.com
Fixes: 0d8400c5a2 ("hwmon: (emc2305) add support for EMC2301/2/3/5 RPM-based PWM Fan Speed Controller.")
[groeck: renamed emc2305_set_cur_state_shim -> __emc2305_set_cur_state]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 4d50591ebf ]
The definitions of 'EMC2305_REG_PRODUCT_ID' and 'EMC2305_REG_DEVICE' are
both '0xfd', they actually return the same value, but the values returned
by emc2301/2/3/5 are different, so probe emc2301/2/3 will fail, This patch
fixes that.
Signed-off-by: Xingjiang Qiao <nanpuyue@gmail.com>
Link: https://lore.kernel.org/r/20221206055331.170459-1-nanpuyue@gmail.com
Fixes: 0d8400c5a2 ("hwmon: (emc2305) add support for EMC2301/2/3/5 RPM-based PWM Fan Speed Controller.")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 084ed144c4 ]
The JC42 compatible thermal sensor on Kingston KSM32ES8/16ME DIMMs
(using Micron E-Die) is an ST Microelectronics STTS2004 (manufacturer
0x104a, device 0x2201). It does not keep the previously programmed
minimum, maximum and critical temperatures after system suspend and
resume (which is a shutdown / startup cycle for the JC42 temperature
sensor). This results in an alarm on system resume because the hardware
default for these values is 0°C (so any environment temperature greater
than 0°C will trigger the alarm).
Example before system suspend:
jc42-i2c-0-1a
Adapter: SMBus PIIX4 adapter port 0 at 0b00
temp1: +34.8°C (low = +0.0°C)
(high = +85.0°C, hyst = +85.0°C)
(crit = +95.0°C, hyst = +95.0°C)
Example after system resume (without this change):
jc42-i2c-0-1a
Adapter: SMBus PIIX4 adapter port 0 at 0b00
temp1: +34.8°C (low = +0.0°C) ALARM (HIGH, CRIT)
(high = +0.0°C, hyst = +0.0°C)
(crit = +0.0°C, hyst = +0.0°C)
Apply the cached values from the JC42_REG_TEMP_UPPER,
JC42_REG_TEMP_LOWER, JC42_REG_TEMP_CRITICAL and JC42_REG_SMBUS (where
the SMBUS register is not related to this issue but a side-effect of
using regcache_sync() during system resume with the previously
cached/programmed values. This fixes the alarm due to the hardware
defaults of 0°C because the previously applied limits (set by userspace)
are re-applied on system resume.
Fixes: 175c490c9e ("hwmon: (jc42) Add support for STTS2004 and AT30TSE004")
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20221023213157.11078-3-martin.blumenstingl@googlemail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 8f2fa4726f ]
Switch the jc42 driver to use an I2C regmap to access the registers.
Also move over to regmap's built-in caching instead of adding a
custom caching implementation. This works for JC42_REG_TEMP_UPPER,
JC42_REG_TEMP_LOWER and JC42_REG_TEMP_CRITICAL as these values never
change except when explicitly written. The cache For JC42_REG_TEMP is
dropped (regmap can't cache it because it's volatile, meaning it can
change at any time) as well for simplicity and consistency with other
drivers.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20221023213157.11078-2-martin.blumenstingl@googlemail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Stable-dep-of: 084ed144c4 ("hwmon: (jc42) Restore the min/max/critical temperatures on resume")
Signed-off-by: Sasha Levin <sashal@kernel.org>
As the devm_kcalloc may return NULL, the return value needs to be checked
to avoid NULL poineter dereference.
Fixes: d0ddfd241e ("hwmon: (asus-ec-sensors) add driver for ASUS EC")
Signed-off-by: Yuan Can <yuancan@huawei.com>
Link: https://lore.kernel.org/r/20221125014329.121560-1-yuancan@huawei.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
As comment of pci_get_domain_bus_and_slot() says, it returns
a pci device with refcount increment, when finish using it,
the caller must decrement the reference count by calling
pci_dev_put(). So call it after using to avoid refcount leak.
Fixes: 14513ee696 ("hwmon: (coretemp) Use PCI host bridge ID to identify CPU if necessary")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221118093303.214163-1-yangyingliang@huawei.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Smatch report warning as follows:
drivers/hwmon/ibmpex.c:509 ibmpex_register_bmc() warn:
'&data->list' not removed from list
If ibmpex_find_sensors() fails in ibmpex_register_bmc(), data will
be freed, but data->list will not be removed from driver_data.bmc_data,
then list traversal may cause UAF.
Fix by removeing it from driver_data.bmc_data before free().
Fixes: 57c7c3a0fd ("hwmon: IBM power meter driver")
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Link: https://lore.kernel.org/r/20221117034423.2935739-1-cuigaosheng1@huawei.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
pci_disable_device() need be called while module exiting, switch to use
pcim_enable(), pci_disable_device() will be called in pcim_release().
Fixes: ada072816b ("hwmon: (i5500_temp) New driver for the Intel 5500/5520/X58 chipsets")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221112125606.3751430-1-yangyingliang@huawei.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The shunt sum critical limit register value should be left shifted
by one bit as its LSB-0 is a reserved bit.
Fixes: 2057bdfb71 ("hwmon: (ina3221) Add summation feature support")
Signed-off-by: Ninad Malwade <nmalwade@nvidia.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20221108044508.23463-1-nmalwade@nvidia.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The LTC2947 datasheet (Rev. B) calls out in the section "Register
Description: Non-Accumulated Result Registers" (pg. 30) that "To
calculate temperature, multiply the TEMP register value by 0.204°C
and add 5.5°C". Fix to add 5.5C and not 0.55C.
Fixes: 9f90fd652b ("hwmon: Add support for ltc2947")
Signed-off-by: Derek Nguyen <derek.nguyen@collins.com>
Signed-off-by: Brandon Maier <brandon.maier@collins.com>
Link: https://lore.kernel.org/r/20221110192108.20624-1-brandon.maier@collins.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This reverts commit 54cc3dbfc1.
Zev Weiss reports that the reverted patch may cause a regulator
undercount. Here is his report:
... having regulator-dummy set as a supply on my PMBus regulators
(instead of having them as their own top-level regulators without
an upstream supply) leads to enable-count underflow errors when
disabling them:
# echo 0 > /sys/bus/platform/devices/efuse01/state
[ 906.094477] regulator-dummy: Underflow of regulator enable count
[ 906.100563] Failed to disable vout: -EINVAL
[ 136.992676] reg-userspace-consumer efuse01: Failed to configure state: -22
Zev reports that reverting the patch fixes the problem. So let's do that
for now.
Fixes: 54cc3dbfc1 ("hwmon: (pmbus) Add regulator supply into macro")
Cc: Marcello Sylvester Bauer <sylv@sylv.io>
Reported-by: Zev Weiss <zev@bewilderbeest.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Available sensors are enumerated and reported by the SCMI platform server
using a 16bit identification number; not all such sensors are of a type
supported by hwmon subsystem and, among the supported ones, only a subset
could be temperature sensors that have to be registered with the Thermal
Framework.
Potential clashes between hwmon channels indexes and the underlying real
sensors IDs do not play well with the hwmon<-->thermal bridge automatic
registration routines and could need a sensible number of fake dummy
sensors to be made up in order to keep indexes and IDs in sync.
Avoid to use the hwmon<-->thermal bridge dropping the HWMON_C_REGISTER_TZ
attribute and instead explicit register temperature sensors directly with
the Thermal Framework.
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: linux-hwmon@vger.kernel.org
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20221031114018.59048-1-cristian.marussi@arm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Intel perf LBR
- A CFI fix to ftrace along with a simplification
- Adjust handling of zero capacity bit mask for resctrl cache allocation
on AMD
- A fix to the AMD microcode loader to attempt patch application on
every logical thread
- A couple of topology fixes to handle CPUID leaf 0x1f enumeration info
properly
- Drop a -mabi=ms compiler option check as both compilers support it now
anyway
- A couple of fixes to how the initial, statically allocated FPU buffer
state is setup and its interaction with dynamic states at runtime
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Merge tag 'x86_urgent_for_v6.0_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
"As usually the case, right after a major release, the tip urgent
branches accumulate a couple more fixes than normal. And here is the
x86, a bit bigger, urgent pile.
- Use the correct CPU capability clearing function on the error path
in Intel perf LBR
- A CFI fix to ftrace along with a simplification
- Adjust handling of zero capacity bit mask for resctrl cache
allocation on AMD
- A fix to the AMD microcode loader to attempt patch application on
every logical thread
- A couple of topology fixes to handle CPUID leaf 0x1f enumeration
info properly
- Drop a -mabi=ms compiler option check as both compilers support it
now anyway
- A couple of fixes to how the initial, statically allocated FPU
buffer state is setup and its interaction with dynamic states at
runtime"
* tag 'x86_urgent_for_v6.0_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fpu: Fix copy_xstate_to_uabi() to copy init states correctly
perf/x86/intel/lbr: Use setup_clear_cpu_cap() instead of clear_cpu_cap()
ftrace,kcfi: Separate ftrace_stub() and ftrace_stub_graph()
x86/ftrace: Remove ftrace_epilogue()
x86/resctrl: Fix min_cbm_bits for AMD
x86/microcode/AMD: Apply the patch early on every logical thread
x86/topology: Fix duplicated core ID within a package
x86/topology: Fix multiple packages shown on a single-package system
hwmon/coretemp: Handle large core ID value
x86/Kconfig: Drop check for -mabi=ms for CONFIG_EFI_STUB
x86/fpu: Exclude dynamic states from init_fpstate
x86/fpu: Fix the init_fpstate size check with the actual size
x86/fpu: Configure init_fpstate attributes orderly
The coretemp driver supports up to a hard-coded limit of 128 cores.
Today, the driver can not support a core with an ID above that limit.
Yet, the encoding of core ID's is arbitrary (BIOS APIC-ID) and so they
may be sparse and they may be large.
Update the driver to map arbitrary core ID numbers into appropriate
array indexes so that 128 cores can be supported, no matter the encoding
of core ID's.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: Len Brown <len.brown@intel.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20221014090147.1836-3-rui.zhang@intel.com
When pwm1_enable is changed from 1 to 0 while pwm1 == 0, the regulator
is not switched off as expected. The reason is that when the fan is
already off, ctx->enabled is false, so pwm_fan_power_off() will be a
no-op.
Handle this case explicitly in pwm_fan_update_enable() by calling
pwm_fan_switch_power() directly.
Fixes: b99152d4f0 ("hwmon: (pwm-fan) Switch regulator dynamically")
Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Link: https://lore.kernel.org/r/20221013135951.4902-1-matthias.schiffer@ew.tq-group.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Fix spelling mistake (Corsaur -> Corsair).
Fixes: 0cf46a653b ("hwmon: (corsair-psu) add USB id of new revision of the HX1000i psu")
Signed-off-by: Wilken Gottwalt <wilken.gottwalt@posteo.net>
Link: https://lore.kernel.org/r/Yzql13NOvQLlrye1@monster.localdomain
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Here is the large set of char/misc and other small driver subsystem
changes for 6.1-rc1. Loads of different things in here:
- IIO driver updates, additions, and changes. Probably the largest
part of the diffstat
- habanalabs driver update with support for new hardware and features,
the second largest part of the diff.
- fpga subsystem driver updates and additions
- mhi subsystem updates
- Coresight driver updates
- gnss subsystem updates
- extcon driver updates
- icc subsystem updates
- fsi subsystem updates
- nvmem subsystem and driver updates
- misc driver updates
- speakup driver additions for new features
- lots of tiny driver updates and cleanups
All of these have been in the linux-next tree for a while with no
reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc and other driver updates from Greg KH:
"Here is the large set of char/misc and other small driver subsystem
changes for 6.1-rc1. Loads of different things in here:
- IIO driver updates, additions, and changes. Probably the largest
part of the diffstat
- habanalabs driver update with support for new hardware and
features, the second largest part of the diff.
- fpga subsystem driver updates and additions
- mhi subsystem updates
- Coresight driver updates
- gnss subsystem updates
- extcon driver updates
- icc subsystem updates
- fsi subsystem updates
- nvmem subsystem and driver updates
- misc driver updates
- speakup driver additions for new features
- lots of tiny driver updates and cleanups
All of these have been in the linux-next tree for a while with no
reported issues"
* tag 'char-misc-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (411 commits)
w1: Split memcpy() of struct cn_msg flexible array
spmi: pmic-arb: increase SPMI transaction timeout delay
spmi: pmic-arb: block access for invalid PMIC arbiter v5 SPMI writes
spmi: pmic-arb: correct duplicate APID to PPID mapping logic
spmi: pmic-arb: add support to dispatch interrupt based on IRQ status
spmi: pmic-arb: check apid against limits before calling irq handler
spmi: pmic-arb: do not ack and clear peripheral interrupts in cleanup_irq
spmi: pmic-arb: handle spurious interrupt
spmi: pmic-arb: add a print in cleanup_irq
drivers: spmi: Directly use ida_alloc()/free()
MAINTAINERS: add TI ECAP driver info
counter: ti-ecap-capture: capture driver support for ECAP
Documentation: ABI: sysfs-bus-counter: add frequency & num_overflows items
dt-bindings: counter: add ti,am62-ecap-capture.yaml
counter: Introduce the COUNTER_COMP_ARRAY component type
counter: Consolidate Counter extension sysfs attribute creation
counter: Introduce the Count capture component
counter: 104-quad-8: Add Signal polarity component
counter: Introduce the Signal polarity component
counter: interrupt-cnt: Implement watch_validate callback
...
* New drivers
- Driver for MAX31760 fan speed controller
- Driver for TEXAS TPS546D24 Buck Converter
- Driver for EMC2301/2/3/5 RPM-based PWM Fan Speed Controller
* Removed drivers
- Drop obsolete asus_wmi_ec_sensors driver
* Cleanups, affecting various drivers
- Use DEFINE_SIMPLE_DEV_PM_OPS where appropriate
- Remove forward declarations
- Move from strlcpy with unused retval to strscpy
- Make use of devm_clk_get_enabled()
- Drop devm_of_pwm_get()
* Other notable cleanup and improvements
- Support for additional USB devide ID and support for reporting
of rail mode via debugfs added to corsair-psu driver
- Support for aditional USB ID in nzxt-smart2 driver
- Support for Aquacomputer High Flow Next in aquacomputer_d5next driver
- Major cleanup of pwm-fan driver
- Major cleanup of mr75203 driver, and added support for new device revision
* Various other minor fixes and cleanups
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Merge tag 'hwmon-for-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New drivers:
- Driver for MAX31760 fan speed controller
- Driver for TEXAS TPS546D24 Buck Converter
- Driver for EMC2301/2/3/5 RPM-based PWM Fan Speed Controller
Removed drivers:
- Drop obsolete asus_wmi_ec_sensors driver
Cleanups, affecting various drivers:
- Use DEFINE_SIMPLE_DEV_PM_OPS where appropriate
- Remove forward declarations
- Move from strlcpy with unused retval to strscpy
- Make use of devm_clk_get_enabled()
- Drop devm_of_pwm_get()
Other notable cleanup and improvements:
- Support for additional USB devide ID and support for reporting of
rail mode via debugfs added to corsair-psu driver
- Support for aditional USB ID in nzxt-smart2 driver
- Support for Aquacomputer High Flow Next in aquacomputer_d5next
driver
- Major cleanup of pwm-fan driver
- Major cleanup of mr75203 driver, and added support for new device
revision
And various other minor fixes and cleanups"
* tag 'hwmon-for-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (86 commits)
hwmon: (corsair-psu) add USB id of new revision of the HX1000i psu
hwmon: (pmbus/mp2888) Fix sensors readouts for MPS Multi-phase mp2888 controller
dt-bindings: hwmon: sensirion,shtc1: Clean up spelling mistakes and grammar
hwmon: (nct6683) remove unused variable in nct6683_create_attr_group
hwmon: w83627hf: Reorder symbols to get rid of a few forward declarations
hwmon: (ina3221) Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr()
hwmon: (w83627ehf) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (tmp108) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (tmp103) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (tmp102) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (pwm-fan) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (nct6775) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (max6639) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (max31730) witch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (max31722) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (ltc2947) Switch to EXPORT_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (lm90) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (it87) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (gpio-fan) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (adt7x10) Switch to EXPORT_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
...
fixes all over the tree. Other subsystems depending on this change
have been asked to pull an immutable topic branch for this.
* new driver for Microchip PCI1xxxx switch
* heavy refactoring of the Mellanox BlueField driver
* we prefer async probe in the i801 driver now
* the rest is usual driver updates (support for more SoCs, some
refactoring, some feature additions)
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Merge tag 'i2c-for-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
- 'remove' callback converted to return void. Big change with trivial
fixes all over the tree. Other subsystems depending on this change
have been asked to pull an immutable topic branch for this.
- new driver for Microchip PCI1xxxx switch
- heavy refactoring of the Mellanox BlueField driver
- we prefer async probe in the i801 driver now
- the rest is usual driver updates (support for more SoCs, some
refactoring, some feature additions)
* tag 'i2c-for-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (37 commits)
i2c: pci1xxxx: prevent signed integer overflow
i2c: acpi: Replace zero-length array with DECLARE_FLEX_ARRAY() helper
i2c: i801: Prefer async probe
i2c: designware-pci: Use standard pattern for memory allocation
i2c: designware-pci: Group AMD NAVI quirk parts together
i2c: microchip: pci1xxxx: Add driver for I2C host controller in multifunction endpoint of pci1xxxx switch
docs: i2c: slave-interface: return errno when handle I2C_SLAVE_WRITE_REQUESTED
i2c: mlxbf: remove device tree support
i2c: mlxbf: support BlueField-3 SoC
i2c: cadence: Add standard bus recovery support
i2c: mlxbf: add multi slave functionality
i2c: mlxbf: support lock mechanism
macintosh/ams: Adapt declaration of ams_i2c_remove() to earlier change
i2c: riic: Use devm_platform_ioremap_resource()
i2c: mlxbf: remove IRQF_ONESHOT
dt-bindings: i2c: rockchip: add rockchip,rk3128-i2c
dt-bindings: i2c: renesas,rcar-i2c: Add r8a779g0 support
i2c: tegra: Add GPCDMA support
i2c: scmi: Convert to be a platform driver
i2c: rk3x: Add rv1126 support
...
- Rework the device tree initialization, convert the drivers to the
new API and remove the old OF code (Daniel Lezcano).
- Fix return value to -ENODEV when searching for a specific thermal
zone which does not exist (Daniel Lezcano).
- Fix the return value inspection in of_thermal_zone_find() (Dan
Carpenter).
- Fix kernel panic when KASAN is enabled as it detects use after
free when unregistering a thermal zone (Daniel Lezcano).
- Move the set_trip ops inside the therma sysfs code (Daniel Lezcano).
- Remove unnecessary error message as it is already shown in the
underlying function (Jiapeng Chong).
- Rework the monitoring path and move the locks upper in the call
stack to fix some potentials race windows (Daniel Lezcano).
- Fix lockdep_assert() warning introduced by the lock rework (Daniel
Lezcano).
- Do not lock thermal zone mutex in the user space governor (Rafael
Wysocki).
- Revert the Mellanox 'hotter thermal zone' feature because it is
already handled in the thermal framework core code (Daniel Lezcano).
- Increase maximum number of trip points in the thermal core (Sumeet
Pawnikar).
- Replace strlcpy() with unused retval with strscpy() in the core
thermal control code (Wolfram Sang).
- Use module_pci_driver() macro in the int340x processor_thermal
driver (Shang XiaoJing).
- Use get_cpu() instead of smp_processor_id() in the intel_powerclamp
thermal driver to prevent it from crashing and remove unused
accounting for IRQ wakes from it (Srinivas Pandruvada).
- Consolidate priv->data_vault checks in int340x_thermal (Rafael
Wysocki).
- Check the policy first in cpufreq_cooling_register() (Xuewen Yan).
- Drop redundant error message from da9062-thermal (zhaoxiao).
- Drop of_match_ptr() from thermal_mmio (Jean Delvare).
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Merge tag 'thermal-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control updates from Rafael Wysocki:
"The most significant part of this update is the thermal control DT
initialization rework from Daniel Lezcano and the following conversion
of drivers to use the new API introduced by it
Apart from that, the maximum number of trip points in a thermal zone
is increased and there are some fixes and code cleanups
Specifics:
- Rework the device tree initialization, convert the drivers to the
new API and remove the old OF code (Daniel Lezcano)
- Fix return value to -ENODEV when searching for a specific thermal
zone which does not exist (Daniel Lezcano)
- Fix the return value inspection in of_thermal_zone_find() (Dan
Carpenter)
- Fix kernel panic when KASAN is enabled as it detects use after free
when unregistering a thermal zone (Daniel Lezcano)
- Move the set_trip ops inside the therma sysfs code (Daniel Lezcano)
- Remove unnecessary error message as it is already shown in the
underlying function (Jiapeng Chong)
- Rework the monitoring path and move the locks upper in the call
stack to fix some potentials race windows (Daniel Lezcano)
- Fix lockdep_assert() warning introduced by the lock rework (Daniel
Lezcano)
- Do not lock thermal zone mutex in the user space governor (Rafael
Wysocki)
- Revert the Mellanox 'hotter thermal zone' feature because it is
already handled in the thermal framework core code (Daniel Lezcano)
- Increase maximum number of trip points in the thermal core (Sumeet
Pawnikar)
- Replace strlcpy() with unused retval with strscpy() in the core
thermal control code (Wolfram Sang)
- Use module_pci_driver() macro in the int340x processor_thermal
driver (Shang XiaoJing)
- Use get_cpu() instead of smp_processor_id() in the intel_powerclamp
thermal driver to prevent it from crashing and remove unused
accounting for IRQ wakes from it (Srinivas Pandruvada)
- Consolidate priv->data_vault checks in int340x_thermal (Rafael
Wysocki)
- Check the policy first in cpufreq_cooling_register() (Xuewen Yan)
- Drop redundant error message from da9062-thermal (zhaoxiao)
- Drop of_match_ptr() from thermal_mmio (Jean Delvare)"
* tag 'thermal-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (55 commits)
thermal: core: Increase maximum number of trip points
thermal: int340x: processor_thermal: Use module_pci_driver() macro
thermal: intel_powerclamp: Remove accounting for IRQ wakes
thermal: intel_powerclamp: Use get_cpu() instead of smp_processor_id() to avoid crash
thermal: int340x_thermal: Consolidate priv->data_vault checks
thermal: cpufreq_cooling: Check the policy first in cpufreq_cooling_register()
thermal: Drop duplicate words from comments
thermal: move from strlcpy() with unused retval to strscpy()
thermal: da9062-thermal: Drop redundant error message
thermal/drivers/thermal_mmio: Drop of_match_ptr()
thermal: gov_user_space: Do not lock thermal zone mutex
Revert "mlxsw: core: Add the hottest thermal zone detection"
thermal/core: Fix lockdep_assert() warning
thermal/core: Move the mutex inside the thermal_zone_device_update() function
thermal/core: Move the thermal zone lock out of the governors
thermal/governors: Group the thermal zone lock inside the throttle function
thermal/core: Rework the monitoring a bit
thermal/core: Rearm the monitoring only one time
thermal/drivers/qcom/spmi-adc-tm5: Remove unnecessary print function dev_err()
thermal/of: Remove old OF code
...
When enable 'unused-but-set-variable' compile
warning option, it would raise warning as below:
drivers/hwmon/nct6683.c:415:9:
warning: variable 'j' set but not used [-Wunused-but-set-variable]
Variable 'j' in nct6683_create_attr_group is unused,
so remove it and simplify the 'for' loop.
Signed-off-by: Zeng Heng <zengheng4@huawei.com>
Link: https://lore.kernel.org/r/20220927114352.2498079-1-zengheng4@huawei.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Merge changes regarding the management of ACPI device objects for
6.1-rc1:
- Rename ACPI device object reference counting functions (Rafael
Wysocki).
- Rearrange ACPI device object initialization code (Rafael Wysocki).
- Drop parent field from struct acpi_device (Rafael Wysocki).
- Extend the the int3472-tps68470 driver to support multiple consumers
of a single TPS68470 along with the requisite framework-level
support (Daniel Scally).
* acpi-dev:
platform/x86: int3472: Add board data for Surface Go2 IR camera
platform/x86: int3472: Support multiple gpio lookups in board data
platform/x86: int3472: Support multiple clock consumers
ACPI: bus: Add iterator for dependent devices
ACPI: scan: Add acpi_dev_get_next_consumer_dev()
ACPI: property: Use acpi_dev_parent()
ACPI: Drop redundant acpi_dev_parent() header
ACPI: PM: Fix NULL argument handling in acpi_device_get/set_power()
ACPI: Drop parent field from struct acpi_device
ACPI: scan: Eliminate __acpi_device_add()
ACPI: scan: Rearrange initialization of ACPI device objects
ACPI: scan: Rename acpi_bus_get_parent() and rearrange it
ACPI: Rename acpi_bus_get/put_acpi_device()
