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Commit c3963bc0a0cf ("hwmon: (nct6775) Split core and platform
driver") introduced a slight change in nct6775_suspend() in order to
avoid an otherwise-needless symbol export for nct6775_update_device(),
replacing a call to that function with a simple dev_get_drvdata()
instead.
As it turns out, there is no guarantee that nct6775_update_device()
is ever called prior to suspend. If this happens, the resume function
ends up writing bad data into the various chip registers, which results
in a crash shortly after resume.
To fix the problem, just add the symbol export and return to using
nct6775_update_device() as was employed previously.
Reported-by: Zoltán Kővágó <dirty.ice.hu@gmail.com>
Tested-by: Zoltán Kővágó <dirty.ice.hu@gmail.com>
Fixes: c3963bc0a0cf ("hwmon: (nct6775) Split core and platform driver")
Cc: stable@kernel.org
Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Link: https://lore.kernel.org/r/20220810052646.13825-1-zev@bewilderbeest.net
[groeck: Updated description]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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lm90_detect_nuvoton() is supposed to return NULL if it can not detect
a chip, or a pointer to the chip name if it does. Under some circumstances
it returns an error pointer instead. Some versions of gcc interpret an
ERR_PTR as region of size 0 and generate an error message.
In function ‘__fortify_strlen’,
inlined from ‘strlcpy’ at ./include/linux/fortify-string.h:159:10,
inlined from ‘lm90_detect’ at drivers/hwmon/lm90.c:2550:2:
./include/linux/fortify-string.h:50:33: error:
‘__builtin_strlen’ reading 1 or more bytes from a region of size 0
50 | #define __underlying_strlen __builtin_strlen
| ^
./include/linux/fortify-string.h:141:24: note:
in expansion of macro ‘__underlying_strlen’
141 | return __underlying_strlen(p);
| ^~~~~~~~~~~~~~~~~~~
Returning NULL instead of ERR_PTR() fixes the problem.
Fixes: c7cebce984a2 ("hwmon: (lm90) Rework detect function")
Reported-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Kees Cook <keescook@chromium.org>
Tested-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Pull hwmon updates from Guenter Roeck:
- Substantial rewrite of lm90 driver to support several additional
chips and improve support for existing chips.
- Add support of ROG ZENITH II EXTREME, Maximus XI Hero, and
Strix Z690-a D4 to asus-ec-sensors driver
- Add support of F71858AD to f71882fg driver
- Add support of Aquacomputer Quadro to aquacomputer_d5next driver
- Improved assembler code and add support for Dell G5 5590 as well as
XPS 13 7390 in dell-smm driver
- Add support for ASUS TUF GAMING B550-PLUS WIFI II to nct775 driver
- Add support for IEEE 754 half precision to PMBus core. Also support
for Analog Devices LT7182S, improve regulator support, and report
various MFR register values in debugfs.
- Various other minor improvements and fixes
* tag 'hwmon-for-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (85 commits)
hwmon: (aquacomputer_d5next) Add support for Aquacomputer Quadro fan controller
hwmon: (dell-smm) Improve documentation
hwmon: (nct6775) add ASUS TUF GAMING B550-PLUS WIFI II
hwmon: (occ) Replace open-coded variant of %*phN specifier
hwmon: (sht15) Fix wrong assumptions in device remove callback
hwmon: (aquacomputer_d5next) Add support for reading the +12V voltage sensor on D5 Next
hwmon: (tps23861) fix byte order in current and voltage registers
hwmon: (aspeed-pwm-tacho) increase fan tach period (again)
hwmon: (aquacomputer_d5next) Add D5 Next fan control support
hwmon: (mcp3021) improve driver support for newer hwmon interface
hwmon: (asus-ec-sensors) add definitions for ROG ZENITH II EXTREME
hwmon: (aquacomputer_d5next) Move device-specific data into struct aqc_data
hwmon: (asus-ec-sensors) add missing sensors for X570-I GAMING
hwmon: (drivetemp) Add module alias
hwmon: (asus_wmi_sensors) Save a few bytes of memory
hwmon: (lm90) Use worker for alarm notifications
hwmon: (asus-ec-sensors) add support for Maximus XI Hero
hwmon: (dell-smm) Improve assembly code
hwmon: (pmbus/ltc2978) Set voltage resolution
hwmon: (pmbus) Add list_voltage to pmbus ops
...
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Pull misc x86 updates from Borislav Petkov:
- Add a bunch of PCI IDs for new AMD CPUs and use them in k10temp
- Free the pmem platform device on the registration error path
* tag 'x86_misc_for_v6.0_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
hwmon: (k10temp): Add support for new family 17h and 19h models
x86/amd_nb: Add AMD PCI IDs for SMN communication
x86/pmem: Fix platform-device leak in error path
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Extend aquacomputer_d5next driver to expose hardware temperature sensors
and fans of the Aquacomputer Quadro fan controller, which communicates
through a proprietary USB HID protocol. Implemented by Jack Doan [1].
Four temperature sensors and PWM controllable fans are available. The
liquid flow sensor is also exposed, implemented by Leonard Anderweit [2].
Additionally, serial number, firmware version and power-on count are
exposed through debugfs.
This driver has been tested on x86_64.
[1] https://github.com/aleksamagicka/aquacomputer_d5next-hwmon/pull/5
[2] https://github.com/aleksamagicka/aquacomputer_d5next-hwmon/pull/9
Originally-from: Jack Doan <me@jackdoan.com>
Originally-from: Leonard Anderweit <leonard.anderweit@gmail.com>
Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com>
Link: https://lore.kernel.org/r/20220727100606.9328-1-savicaleksa83@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add ASUS TUF GAMING B550-PLUS WIFI II to the WMI monitoring list
to enable support for HW monitoring on that board.
Signed-off-by: Robert Schmidt <r-schmidt@web.de>
Link: https://lore.kernel.org/r/YuBZodZHOnDll5zy@hydra
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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printf()-like functions in the kernel have extensions, such as
%*phN to dump small pieces of memory as hex bytes.
Replace custom approach with the direct use of %*phN.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220726143110.4809-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Taking a lock at the beginning of .remove() doesn't prevent new readers.
With the existing approach it can happen, that a read occurs just when
the lock was taken blocking the reader until the lock is released at the
end of the remove callback which then accessed *data that is already
freed then.
To actually fix this problem the hwmon core needs some adaption. Until
this is implemented take the optimistic approach of assuming that all
readers are gone after hwmon_device_unregister() and
sysfs_remove_group() as most other drivers do. (And once the core
implements that, taking the lock would deadlock.)
So drop the lock, move the reset to after device unregistration to keep
the device in a workable state until it's deregistered. Also add a error
message in case the reset fails and return 0 anyhow. (Returning an error
code, doesn't stop the platform device unregistration and only results
in a little helpful error message before the devm cleanup handlers are
called.)
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20220725194344.150098-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for reading the +12V voltage that the D5 Next pump receives.
Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com>
Link: https://lore.kernel.org/r/20220726120203.33773-1-savicaleksa83@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Trying to use this driver on a big-endian machine results in garbage
values for voltage and current. The tps23861 registers are little-
endian, and regmap_read_bulk() does not do byte order conversion. Thus
on BE machines, the most significant bytes got modified, and were
trimmed by the VOLTAGE_CURRENT_MASK.
To resolve this use uint16_t values, and convert them to host byte
order using le16_to_cpu(). This results in correct readings on MIPS.
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Link: https://lore.kernel.org/r/20220721032255.2850647-1-mr.nuke.me@gmail.com
[groeck: Use __le16 instead of uint16_t]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The old value allows measuring fan speeds down to about 970 RPM and
gives timeout for anything less than that. It is problematic because it
can also be used as an indicator for fan failure or absence.
Despite having read the relevant section of "ASPEED AST2500/AST2520 A2
Datasheet – V1.7" multiple times I wasn't able to figure out what
exactly "fan tach period" and "fan tach falling point of period" mean
(both are set by the driver from the constant this patch is amending).
Experimentation with a Tioga Pass OCP board (AST2500 BMC) showed that
value of 0x0108 gives time outs for speeds below 1500 RPM and the value
offered by the patch is good for at least 750 RPM (the fans can't spin
any slower so the lower bound is unknown). Measuring with the fans
spinning takes about 30 ms, sometimes down to 18 ms, so about the same
as with the previous value.
This constant was last changed with commit 762b1e888013 ("hwmon:
(aspeed-pwm-tacho) increase fan tach period")
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Link: https://lore.kernel.org/r/20220714142344.27071-1-fercerpav@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Define pump and fan speed register offsets in
D5 Next control report, as well as its size, to expose PWM fan control.
Originally-from: Jack Doan <me@jackdoan.com>
Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com>
Link: https://lore.kernel.org/r/20220717171412.11142-1-savicaleksa83@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add the support for CCD offsets used on family 17h models A0h-AFh,
and family 19h models 60h-7Fh.
[ bp: Merge into a single patch. ]
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20220719195256.1516-1-mario.limonciello@amd.com
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This driver is currently broken, it does not show the in0_input sysfs
file and also returns the following message on startup:
hwmon_device_register() is deprecated. Please convert the driver to
use hwmon_device_register_with_info().
This patch converts the driver and also cleans up the 'read' function.
Signed-off-by: Marc Ferland <ferlandm@amotus.ca>
Link: https://lore.kernel.org/r/20220712193504.1374656-1-ferlandm@amotus.ca
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add definitions for ROG ZENITH II EXTREME and some unknown yet
temperature sensors in the second EC bank. Details are available at
[1, 2].
[1] https://github.com/zeule/asus-ec-sensors/pull/26
[2] https://github.com/zeule/asus-ec-sensors/issues/16
Signed-off-by: Urs Schroffenegger <nabajour@lampshade.ch>
Signed-off-by: Eugene Shalygin <eugene.shalygin@gmail.com>
Link: https://lore.kernel.org/r/20220710202639.1812058-2-eugene.shalygin@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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As preparation for adding support for more devices in upcoming patches,
move device-specific data, such as number of fans, temperature sensors,
register offsets etc. to struct aqc_data. This is made possible by
the fact that the supported Aquacomputer devices share the same layouts
of sensor substructures. This allows aqc_raw_event() and others to stay
general and not be cluttered with similar loops for each device.
Signed-off-by: Jack Doan <me@jackdoan.com>
Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com>
Link: https://lore.kernel.org/r/20220707115050.90021-1-savicaleksa83@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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VRM and chipset temperature for ROG STRIX X570-I GAMING were missing
according to a user contribution to the LHM project [1].
[1] https://github.com/LibreHardwareMonitor/LibreHardwareMonitor/pull/767
Signed-off-by: Eugene Shalygin <eugene.shalygin@gmail.com>
Link: https://lore.kernel.org/r/20220710085539.1682869-1-eugene.shalygin@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Adding a MODULE_ALIAS() to drivetemp will make the driver easier
for modprobe to autoprobe.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20220712214624.1845158-1-linus.walleij@linaro.org
Fixes: 5b46903d8bf3 ("hwmon: Driver for disk and solid state drives with temperature sensors")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The first 'for' loop of asus_wmi_configure_sensor_setup() only computes
the number and type of sensors that exist in the system.
Here, the 'temp_sensor' structure is only used to store the data collected
by asus_wmi_sensor_info(). There is no point in using a devm_ variant for
this allocation. This wastes some memory for no good reason.
Use the stack instead.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/e23cea6c489fabb109a61e8a33d146a6b74c0529.1656741926.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Reporting alarms using hwmon_notify_event() may result in a callback
from the thermal subsystem. This means that such notifications must
not hold the update lock to avoid a deadlock. To avoid this situation,
use a worker to handle notifications.
Reported-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Fixes: f6d0775119fb ("hwmon: (lm90) Rework alarm/status handling")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add definitions for ROG MAXIMUS XI HERO and ROG MAXIMUS XI HERO (WI-FI)
boards.
Signed-off-by: Michael Carns <mike@carns.com>
Signed-off-by: Eugene Shalygin <eugene.shalygin@gmail.com>
Link: https://lore.kernel.org/r/20220627225437.87462-1-eugene.shalygin@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The new assembly code works on both 32 bit and 64 bit
cpus and allows for more compiler optimisations.
Since clang runs out of registers on 32 bit x86 when
using CC_OUT, we need to execute "setc" ourself.
Also modify the debug message so we can still see
the result (eax) when the carry flag was set.
Tested with 32 bit and 64 bit kernels on a Dell Inspiron 3505.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20220220190851.17965-1-W_Armin@gmx.de
[groeck: Rebased to v5.19-rc3]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The LTC2977 regulator does not set the regulator_desc .n_voltages value
which is needed in order to let the regulator core list the regulator
voltage range.
This patch defines a regulator_desc with a voltage range, and uses it
for defining voltage resolution for regulators LTC2972/LTC2974/LTC2975/
LTC2977/LTC2978/LTC2979/LTC2980/LTM2987 based on that they all have a 16
bit ADC with the same stepwise 122.07uV resolution. It also scales the
resolution to a 1mV resolution which is easier to handle.
Signed-off-by: Mårten Lindahl <marten.lindahl@axis.com>
Link: https://lore.kernel.org/r/20220614095144.3472305-1-marten.lindahl@axis.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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When checking if a regulator supports a voltage range, the regulator
needs to have a list_voltage callback set to the regulator_ops or else
-EINVAL will be returned. This support does not exist for the pmbus
regulators, so this patch adds pmbus_regulator_list_voltage to the
pmbus_regulator_ops.
Signed-off-by: Mårten Lindahl <marten.lindahl@axis.com>
Link: https://lore.kernel.org/r/20220614093856.3470672-3-marten.lindahl@axis.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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When setting a new voltage the voltage boundaries are read every time to
check that the new voltage is within the proper range. Checking these
voltage boundaries consists of reading one of PMBUS_MFR_VOUT_MIN/
PMBUS_VOUT_MARGIN_LOW registers and then PMBUS_MFR_VOUT_MAX/
PMBUS_VOUT_MARGIN_HIGH together with writing the PMBUS_CLEAR_FAULTS
register.
Since these boundaries are never being changed, it can be cached and
thus saving unnecessary smbus transmissions.
Signed-off-by: Mårten Lindahl <marten.lindahl@axis.com>
Link: https://lore.kernel.org/r/20220614093856.3470672-2-marten.lindahl@axis.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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In gsc_hwmon_get_devtree_pdata(), of_find_compatible_node() will return
a node pointer with refcount incremented. We should use of_node_put() in
fail path or when it is not used anymore.
Signed-off-by: Liang He <windhl@126.com>
Link: https://lore.kernel.org/r/20220616114024.3985770-1-windhl@126.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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According to Bug 215983 at bugzilla.kernel.org,
the Dell G5 5590 supports the SMM interface and
can thus be loaded with ignore_dmi being set.
Add the model the DMI table to allow for
automatic loadig on this model.
Compile-tested only.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Acked-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20220612232208.27901-1-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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A user reported that the program dell-bios-fan-control
worked on his Dell XPS 13 7390 to switch off automatic
fan control.
Since it uses the same mechanism as the dell_smm_hwmon
module, add this model to the fan control whitelist.
Compile-tested only.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Acked-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20220612041806.11367-1-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Since platform_device_unregister() is NULL-aware, we don't need to duplicate
this check. Remove it and fold the rest of the code.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Zev Weiss <zev@bewilderbeest.net>
Link: https://lore.kernel.org/r/20220610103324.87483-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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If CONFIG_PMBUS is y and CONFIG_DEBUG_FS is not set.
make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu-, will be failed, like this:
drivers/hwmon/pmbus/pmbus_core.c:593:13: error: ‘pmbus_check_block_register’ defined but not used [-Werror=unused-function]
static bool pmbus_check_block_register(struct i2c_client *client, int page,
^~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
make[3]: *** [drivers/hwmon/pmbus/pmbus_core.o] Error 1
make[2]: *** [drivers/hwmon/pmbus] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [drivers/hwmon] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [drivers] Error 2
To fix building warning, use __maybe_unused to attach this func.
Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: c3ffc3a1ff83("hwmon: (pmbus) add a function to check the presence of a block register")
Signed-off-by: Ren Zhijie <renzhijie2@huawei.com>
Link: https://lore.kernel.org/r/20220609120448.139907-1-renzhijie2@huawei.com
[groeck: Fixed continuation line alignment]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Try to read the channel's temperature offset from device-tree. Having
offset in device-tree node is not mandatory. The offset can only be set
for remote channels.
Signed-off-by: Slawomir Stepien <slawomir.stepien@nokia.com>
Link: https://lore.kernel.org/r/20220607063504.1287855-3-sst@poczta.fm
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The ADT7481 have LM90_HAVE_TEMP3 and LM90_HAVE_OFFSET flags, but the
support of second remote channel's offset is missing. Add that
implementation.
Signed-off-by: Slawomir Stepien <slawomir.stepien@nokia.com>
Link: https://lore.kernel.org/r/20220607063504.1287855-2-sst@poczta.fm
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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kvfree(NULL) is safe. NULL check before kvfree() is not needed.
Delete them to simplify the code.
Generated by coccinelle script:
scripts/coccinelle/free/ifnullfree.cocci
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Reviewed-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20220606131401.4053036-1-william.xuanziyang@huawei.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Try to read the channel's label from device-tree. Having label in
device-tree node is not mandatory.
Signed-off-by: Slawomir Stepien <slawomir.stepien@nokia.com>
Link: https://lore.kernel.org/r/20220525073657.573327-7-sst@poczta.fm
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Use this define in all the places where literal '3' was used in this
context.
Signed-off-by: Slawomir Stepien <slawomir.stepien@nokia.com>
Link: https://lore.kernel.org/r/20220525073657.573327-6-sst@poczta.fm
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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This will allow binding the driver with the device from the device tree.
Signed-off-by: Slawomir Stepien <slawomir.stepien@nokia.com>
Link: https://lore.kernel.org/r/20220525073657.573327-4-sst@poczta.fm
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The two drivers compile just fine on ARCH=arm. Allow to select
these drivers if COMPILE_TEST is enabled.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Link: https://lore.kernel.org/r/20220527153445.1871086-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add registers to debugfs:
PMBUS_MFR_ID
PMBUS_MFR_MODEL
PMBUS_MFR_REVISION
PMBUS_MFR_LOCATION
PMBUS_MFR_DATE
PMBUS_MFR_SERIAL
To reduce the number of debugfs entries, only values from page 0 are
reported. It is assumed that values of these registers are the same for
all pages. Please note that the PMBUS standard allows added registers to
be page-specific.
Signed-off-by: Adam Wujek <dev_public@wujek.eu>
Link: https://lore.kernel.org/r/20220601013232.801133-2-dev_public@wujek.eu
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Other functions (like pmbus_check_byte_register) cannot be used to check
the presence of a block register, because it will generate error when PEC
is used.
Signed-off-by: Adam Wujek <dev_public@wujek.eu>
Link: https://lore.kernel.org/r/20220601013232.801133-1-dev_public@wujek.eu
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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adds T_Sensor and VRM Temp sensors for the Asus Strix z690-a D4 motherboard
Signed-off-by: Shady Nawara <shady.nawara@outlook.com>
Signed-off-by: Eugene Shalygin <eugene.shalygin@gmail.com>
Link: https://lore.kernel.org/r/20220603122758.1561064-1-eugene.shalygin@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Some devices like the Fujitsu Celsius W380 do contain
a working sch56xx hardware monitoring device, but do
not contain the necessary DMI onboard device.
Do not check for the presence of an suitable onboard device
on these machines. The list of affected machines was created
using data collected by the Linux Hardware Project.
Tested on a Fujitsu Esprimo P720, but sadly not on a affected
machine.
Fixes: 393935baa45e (hwmon: (sch56xx-common) Add automatic module loading on supported devices)
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20220604220200.2567-1-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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When kernel.h is used in the headers it adds a lot into dependency hell,
especially when there are circular dependencies are involved.
Replace kernel.h inclusion with the list of what is really being used.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/4e07ed43274ad912d4efcfc04f673f25e8f89fdc.1654289489.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Treat F71858AD like F71858FG.
Tested on Igel D220.
Signed-off-by: Aleksander Mazur <deweloper@wp.pl>
Link: https://lore.kernel.org/r/20220605012114.3d85a75a@mocarz
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for Analog Devices LT7182S Dual Channel 6A, 20V PolyPhase
Step-Down Silent Switcher with Digital Power System Management.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for the IEEE 754 half precision data format as specified
in PMBus v1.3.1.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Several of the chips supported by this driver support configuring the
number of samples (or the fault queue depth) necessary before a fault
or alarm is reported. This is done either with a bit in the configuration
register or with a separate "consecutive alert" register. Support this
functionality with the temp_samples attribute.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add table with device names and known register values for supported
devices from Analog / ON Semiconductor.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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NE1618 is similar to NE1617 but supports manufacturer and chip ID
registers as well as 11 bit external temperature resolution.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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ADM1020 is compatible with ADM1021 but has a separate chip revision and
a limited I2C address range.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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It was observed that the alert handler may be called from the i2c core
even after alerts have already been disabled. Only disable alerts if
they have not already been disabled.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Zev Weiss
Guenter Roeck
Linus Torvalds
Aleksa Savic
Robert Schmidt
Andy Shevchenko
Uwe Kleine-König
Alexandru Gagniuc
Paul Fertser
Mario Limonciello
Marc Ferland
Urs Schroffenegger
Eugene Shalygin
Linus Walleij
Christophe JAILLET
Michael Carns
Armin Wolf
Mårten Lindahl
Liang He
Ren Zhijie
Slawomir Stepien
Ziyang Xuan
Adam Wujek
Shady Nawara
Aleksander Mazur