Register a platform device for usage with
devm_hwmon_device_register_with_groups since
the platform device is necessary for future
changes.
Also fix some checkpatch warnings.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20210728221557.8891-2-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
On AMD platforms the Out-of-band access is provided by
Advanced Platform Management Link (APML), APML is a
SMBus v2.0 compatible 2-wire processor client interface.
APML is also referred as the sideband interface (SBI).
APML is used to communicate with the
Side-Band Remote Management Interface (SB-RMI) which provides
Soft Mailbox messages to manage power consumption and
power limits of the CPU socket.
- This module add support to read power consumption,
power limit & max power limit and write power limit.
- To instantiate this driver on a Board Management Controller (BMC)
connected to an AMD CPU with SB-RMI support, the i2c bus number
would be the bus connected from the BMC to the CPU.
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Akshay Gupta <Akshay.Gupta@amd.com>
Signed-off-by: Naveen Krishna Chatradhi <nchatrad@amd.com>
Link: https://lore.kernel.org/r/20210726133615.9709-1-nchatrad@amd.com
[groeck: Fix uninitialized variable problem when reporting max power]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Make DEVICE_ATTR_RO static to fix sparse warning:
warning: symbol 'dev_attr_cpu0_vid' was not declared. Should it be static?
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20210724154817.18796-1-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Use SIMPLE_DEV_PM_OPS() to also assign poweroff
and thaw callbacks. Remove the now obsolete checking
of CONFIG_PM too.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20210721192519.28784-1-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add the list of sensors supported by the Silicom n5010 PAC, and enable
the drivers as a subtype of the intel-m10-bmc multi-function driver.
Signed-off-by: Martin Hundebøll <mhu@silicom.dk>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Moritz Fischer <mdf@kernel.org>
Reviewed-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20210716135441.3235863-4-martin@geanix.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Using devm_request_region() allows us to omit
w83627ehf_remove() and also simplifies error
handling during probe.
Also fixed a checkpatch issue.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20210709184501.6546-3-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Using platform_create_bundle() simplifies the module
init code and allows w83627ehf_probe() to be marked
as __init, lowering the runtime memory footprint.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20210709184501.6546-2-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The BPD-RS600 is the DC version of the BPA-RS600. The PMBUS interface is
the same between the two models. Keep the same compatible string but
accept either BPA-RS600 or BPD-RS600 in the PMBUS_MFR_MODEL.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Link: https://lore.kernel.org/r/20210708220618.23576-1-chris.packham@alliedtelesis.co.nz
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The kernel has a helper function for linear interpolation so
use it. It incidentally makes the code easier to read as well.
Tested on the ST-Ericsson HREFv60plus hardware reference design
with two thermistors forming a thermal zone.
Cc: Peter Rosin <peda@axentia.se>
Cc: Chris Lesiak <chris.lesiak@licor.com>
Cc: linux-iio@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20210704222014.12058-1-linus.walleij@linaro.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Here is the big set of char / misc and other driver subsystem updates
for 5.14-rc1. Included in here are:
- habanna driver updates
- fsl-mc driver updates
- comedi driver updates
- fpga driver updates
- extcon driver updates
- interconnect driver updates
- mei driver updates
- nvmem driver updates
- phy driver updates
- pnp driver updates
- soundwire driver updates
- lots of other tiny driver updates for char and misc drivers
This is looking more and more like the "various driver subsystems mushed
together" tree...
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc driver updates from Greg KH:
"Here is the big set of char / misc and other driver subsystem updates
for 5.14-rc1. Included in here are:
- habanalabs driver updates
- fsl-mc driver updates
- comedi driver updates
- fpga driver updates
- extcon driver updates
- interconnect driver updates
- mei driver updates
- nvmem driver updates
- phy driver updates
- pnp driver updates
- soundwire driver updates
- lots of other tiny driver updates for char and misc drivers
This is looking more and more like the "various driver subsystems
mushed together" tree...
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (292 commits)
mcb: Use DEFINE_RES_MEM() helper macro and fix the end address
PNP: moved EXPORT_SYMBOL so that it immediately followed its function/variable
bus: mhi: pci-generic: Add missing 'pci_disable_pcie_error_reporting()' calls
bus: mhi: Wait for M2 state during system resume
bus: mhi: core: Fix power down latency
intel_th: Wait until port is in reset before programming it
intel_th: msu: Make contiguous buffers uncached
intel_th: Remove an unused exit point from intel_th_remove()
stm class: Spelling fix
nitro_enclaves: Set Bus Master for the NE PCI device
misc: ibmasm: Modify matricies to matrices
misc: vmw_vmci: return the correct errno code
siox: Simplify error handling via dev_err_probe()
fpga: machxo2-spi: Address warning about unused variable
lkdtm/heap: Add init_on_alloc tests
selftests/lkdtm: Enable various testable CONFIGs
lkdtm: Add CONFIG hints in errors where possible
lkdtm: Enable DOUBLE_FAULT on all architectures
lkdtm/heap: Add vmalloc linear overflow test
lkdtm/bugs: XFAIL UNALIGNED_LOAD_STORE_WRITE
...
Hi Linus,
Please, pull the following patches that fix many fall-through warnings
when building with Clang 12.0.0 and this[1] change reverted. Notice
that in order to enable -Wimplicit-fallthrough for Clang, such change[1]
is meant to be reverted at some point. So, these patches help to move
in that direction.
Thanks!
[1] commit e2079e93f5 ("kbuild: Do not enable -Wimplicit-fallthrough for clang for now")
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Merge tag 'fallthrough-fixes-clang-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux
Pull fallthrough fixes from Gustavo Silva:
"Fix many fall-through warnings when building with Clang 12.0.0 and
'-Wimplicit-fallthrough' so that we at some point will be able to
enable that warning by default"
* tag 'fallthrough-fixes-clang-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux: (26 commits)
rxrpc: Fix fall-through warnings for Clang
drm/nouveau/clk: Fix fall-through warnings for Clang
drm/nouveau/therm: Fix fall-through warnings for Clang
drm/nouveau: Fix fall-through warnings for Clang
xfs: Fix fall-through warnings for Clang
xfrm: Fix fall-through warnings for Clang
tipc: Fix fall-through warnings for Clang
sctp: Fix fall-through warnings for Clang
rds: Fix fall-through warnings for Clang
net/packet: Fix fall-through warnings for Clang
net: netrom: Fix fall-through warnings for Clang
ide: Fix fall-through warnings for Clang
hwmon: (max6621) Fix fall-through warnings for Clang
hwmon: (corsair-cpro) Fix fall-through warnings for Clang
firewire: core: Fix fall-through warnings for Clang
braille_console: Fix fall-through warnings for Clang
ipv4: Fix fall-through warnings for Clang
qlcnic: Fix fall-through warnings for Clang
bnxt_en: Fix fall-through warnings for Clang
netxen_nic: Fix fall-through warnings for Clang
...
Support set_trips() callback of thermal device ops. This allows HWMON
device to operatively notify thermal core about temperature changes, which
is very handy to have in a case where HWMON sensor is used by CPU thermal
zone that performs passive cooling and emergency shutdown on overheat.
Thermal core will be able to react faster to temperature changes.
The set_trips() callback is entirely optional. If HWMON sensor doesn't
support setting thermal trips, then the callback is a NO-OP. The dummy
callback has no effect on the thermal core. The temperature trips are
either complement the temperature polling mechanism of thermal core or
replace the polling if sensor can set the trips and polling is disabled
by a particular device in a device-tree.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20210623042231.16008-3-digetx@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The min/max/crit and all other temperature values that are passed to
the driver are unlimited and value that is close to INT_MIN results in
integer underflow of the temperature calculations made by the driver
for LM99 sensor. Temperature hysteresis is among those values that need
to be limited, but limiting of hysteresis is independent from the sensor
version. Add the missing limits.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20210623042231.16008-2-digetx@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
I2C accesses are prohibited and will error out after suspending of the
I2C controller, hence we need to ensure that interrupt won't fire on
suspend when it's too late. Disable interrupt across suspend/resume.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The ALERT interrupt is enabled by default after power-on, but it could
be masked by bootloader. For example this is the case on Acer A500 tablet
device. Unmask the hardware interrupt if interrupt is provided.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Use hwmon_notify_event() to notify userspace and thermal core about
temperature changes.
Suggested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The lm90 driver sets interrupt trigger type to level-low. This type is
not suitable for sensors like NCT1008 that don't deassert interrupt line
until temperature is back to normal, resulting in interrupt storm. The
appropriate trigger type should come from OF device description and
currently it's overridden by the driver's trigger type. Don't specify
the trigger type in the driver code, letting interrupt core to use the
device-specific trigger type.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The debugfs_create_dir() function returns error pointers, it doesn't
return NULL. But debugfs functions don't need to be checked in normal
situations and we can just delete this code.
Fixes: 1f442e213ce5 ("hwmon: (pmbus) Add driver for Delta DPS-920AB PSU")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YMyjmR54ErLtc1sH@mwanda
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The IIO usage in this driver is purely consumer so it should only
be including linux/iio/consumer.h Whilst here drop pm_runtime.h
as there is no runtime power management in the driver.
Found using include-what-you-use and manual inspection of the
suggestions.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210611142257.103094-1-jic23@kernel.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This adds support for the Delta DPS-920AB PSU.
Only missing feature is fan control which the PSU supports.
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Link: https://lore.kernel.org/r/20210607103431.2039073-1-robert.marko@sartura.hr
[groeck: Add MODULE_IMPORT_NS(PMBUS);]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add hardware monitoring support for Flex power interface modules PIM4006,
PIM4328 and PIM4820.
Signed-off-by: Erik Rosen <erik.rosen@metormote.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Allow the use of a phase function even if it does not exist on
the associated page.
Signed-off-by: Erik Rosen <erik.rosen@metormote.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for reading and decoding direct format coefficients to
the PMBus core driver. If the new flag PMBUS_USE_COEFFICIENTS_CMD
is set, the driver will use the COEFFICIENTS register together with
the information in the pmbus_sensor_attr structs to initialize
relevant coefficients for the direct mode format.
Signed-off-by: Erik Rosen <erik.rosen@metormote.com>
[groeck: Initialize ret with -EINVAL in pmbus_init_coefficients()]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Some PMBus chips respond with invalid data when reading the WRITE_PROTECT
register. For such chips, this flag should be set so that the PMBus core
driver doesn't use the WRITE_PROTECT command to determine its behavior.
Signed-off-by: Erik Rosen <erik.rosen@metormote.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Currently, for Packet Error Checking (PEC) only the controller
is checked for support. This causes problems on the cisco-8000
platform where a SMBUS transaction errors are observed. This is
because PEC has to be enabled only if both controller and
adapter support it.
Added code to check PEC capability for adapter and enable it
only if both controller and adapter supports PEC.
Signed-off-by: Madhava Reddy Siddareddygari <msiddare@cisco.com>
[Upstream from SONiC https://github.com/Azure/sonic-linux-kernel/pull/215]
Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Link: https://lore.kernel.org/r/20210605052700.541455-1-pmenzel@molgen.mpg.de
[groeck: Dropped unnecessary continuation line]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
As per current logic the wait time per conversion is arouns 430ms
for 512 samples and around 860ms for 1024 samples for 3 channels
considering 140us as the bus voltage and shunt voltage sampling
conversion time.
This waiting time is a lot for the continuous mode and even for
the single shot mode. For continuous mode when moving average is
considered the waiting for CVRF bit is not required and the data
from the previous conversion is sufficuent. As mentioned in the
datasheet the conversion ready bit is provided to help coordinate
single-shot conversions, we can restrict the use to single-shot
mode only.
Also, the conversion time is for the averaged samples, the wait
time for the polling can omit the number of samples consideration.
Signed-off-by: Ninad Malwade <nmalwade@nvidia.com>
Link: https://lore.kernel.org/r/1622789683-30931-1-git-send-email-nmalwade@nvidia.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
If a fan is not running or not connected, of if fan monitoring is disabled,
the fan count register returns a fixed value of 0xffe0. So far this is then
translated to a RPM value larger than 0. Since this is misleading and does
not really make much sense, report a fan RPM of 0 in this situation.
Cc: Jan Kundrát <jan.kundrat@cesnet.cz>
Cc: Václav Kubernát <kubernat@cesnet.cz>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Václav Kubernát <kubernat@cesnet.cz>
Link: https://lore.kernel.org/r/20210526154022.3223012-7-linux@roeck-us.net
Fault bits in MAX31790 are sticky and have to be cleared explicitly.
A write operation into either the 'Target Duty Cycle' register or the
'Target Count' register is necessary to clear a fault.
At the same time, we can never clear cached fault status values before
reading them because the companion fault status for any given fan is
cleared as well when clearing a fault.
Cc: Jan Kundrát <jan.kundrat@cesnet.cz>
Cc: Václav Kubernát <kubernat@cesnet.cz>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Václav Kubernát <kubernat@cesnet.cz>
Link: https://lore.kernel.org/r/20210526154022.3223012-6-linux@roeck-us.net
pwmX_enable supports three possible values:
0: Fan control disabled. Duty cycle is fixed to 0%
1: Fan control enabled, pwm mode. Duty cycle is determined by
values written into Target Duty Cycle registers.
2: Fan control enabled, rpm mode
Duty cycle is adjusted such that fan speed matches
the values in Target Count registers
The current code does not do this; instead, it mixes pwm control
configuration with fan speed monitoring configuration. Worse, it
reports that pwm control would be disabled (pwmX_enable==0) when
it is in fact enabled in pwm mode. Part of the problem may be that
the chip sets the "TACH input enable" bit on its own whenever the
mode bit is set to RPM mode, but that doesn't mean that "TACH input
enable" accurately reflects the pwm mode.
Fix it up and only handle pwm control with the pwmX_enable attributes.
In the documentation, clarify that disabling pwm control (pwmX_enable=0)
sets the pwm duty cycle to 0%. In the code, explain why TACH_INPUT_EN
is set together with RPM_MODE.
While at it, only update the configuration register if the configuration
has changed, and only update the cached configuration if updating the
chip configuration was successful.
Cc: Jan Kundrát <jan.kundrat@cesnet.cz>
Cc: Václav Kubernát <kubernat@cesnet.cz>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Václav Kubernát <kubernat@cesnet.cz>
Reviewed-by: Jan Kundrát <jan.kundrat@cesnet.cz>
Link: https://lore.kernel.org/r/20210526154022.3223012-4-linux@roeck-us.net
The MAX31790 has two sets of registers for pwm duty cycles, one to request
a duty cycle and one to read the actual current duty cycle. Both do not
have to be the same.
When reporting the pwm duty cycle to the user, the actual pwm duty cycle
from pwm duty cycle registers needs to be reported. When setting it, the
pwm target duty cycle needs to be written. Since we don't know the actual
pwm duty cycle after a target pwm duty cycle has been written, set the
valid flag to false to indicate that actual pwm duty cycle should be read
from the chip instead of using cached values.
Cc: Jan Kundrát <jan.kundrat@cesnet.cz>
Cc: Václav Kubernát <kubernat@cesnet.cz>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Václav Kubernát <kubernat@ceesnet.cz>
Reviewed-by: Jan Kundrát <jan.kundrat@cesnet.cz>
Link: https://lore.kernel.org/r/20210526154022.3223012-3-linux@roeck-us.net
Fans 7..12 do not have their own set of configuration registers.
So far the code ignored that and read beyond the end of the configuration
register range to get the tachometer period. This resulted in more or less
random fan speed values for those fans.
The datasheet is quite vague when it comes to defining the tachometer
period for fans 7..12. Experiments confirm that the period is the same
for both fans associated with a given set of configuration registers.
Fixes: 54187ff9d7 ("hwmon: (max31790) Convert to use new hwmon registration API")
Fixes: 195a4b4298 ("hwmon: Driver for Maxim MAX31790")
Cc: Jan Kundrát <jan.kundrat@cesnet.cz>
Reviewed-by: Jan Kundrát <jan.kundrat@cesnet.cz>
Cc: Václav Kubernát <kubernat@cesnet.cz>
Reviewed-by: Jan Kundrát <jan.kundrat@cesnet.cz>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210526154022.3223012-2-linux@roeck-us.net
Kernel doc for sht4x_read_values() shows 0 on success, 1 on failure but
the return value on success is actually always positive as it is set to
SHT4X_RESPONSE_LENGTH by a successful call to i2c_master_recv().
Miscellanea:
o Update the kernel doc for sht4x_read_values to 0 for success or -ERRNO
o Remove incorrectly used kernel doc /** header for other _read functions
o Typo fix succesfull->successful
o Reverse a test to unindent a block and use goto unlock
o Declare cmd[SHT4X_CMD_LEN] rather than cmd[]
At least for gcc 10.2, object size is reduced a tiny bit.
$ size drivers/hwmon/sht4x.o*
text data bss dec hex filename
1752 404 256 2412 96c drivers/hwmon/sht4x.o.new
1825 404 256 2485 9b5 drivers/hwmon/sht4x.o.old
Signed-off-by: Joe Perches <joe@perches.com>
Link: https://lore.kernel.org/r/60eedce497137eb34448c0c77e01ec9d9c972ad7.camel@perches.com
Reviewed by: Navin Sankar Velliangiri <navin@linumiz.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This patch adds a hwmon driver for the SHT4x Temperature and
Humidity sensor.
Signed-off-by: Navin Sankar Velliangiri <navin@linumiz.com>
[groeck: dropped unnecessary empty line and continuation lines]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
adm1272 supports temperature reporting but it is disabled by default.
Tested:
ls temp1_*
temp1_crit temp1_highest temp1_max
temp1_crit_alarm temp1_input temp1_max_alarm
cat temp1_input
26642
Signed-off-by: Chu Lin <linchuyuan@google.com>
Link: https://lore.kernel.org/r/20210512171043.2433694-1-linchuyuan@google.com
[groeck: Updated subject to reflect correct driver]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for mp2888 device from Monolithic Power Systems, Inc. (MPS)
vendor. This is a digital, multi-phase, pulse-width modulation
controller.
This device supports:
- One power rail.
- Programmable Multi-Phase up to 10 Phases.
- PWM-VID Interface
- One pages 0 for telemetry.
- Programmable pins for PMBus Address.
- Built-In EEPROM to Store Custom Configurations.
- Can configured VOUT readout in direct or VID format and allows
setting of different formats on rails 1 and 2. For VID the following
protocols are available: VR13 mode with 5-mV DAC; VR13 mode with
10-mV DAC, IMVP9 mode with 5-mV DAC.
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/20210511055619.118104-3-vadimp@nvidia.com
[groeck: Add MODULE_IMPORT_NS]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Increase maximum number of phases from 8 to 10 to support multi-phase
devices allowing up to 10 phases.
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/20210511055619.118104-2-vadimp@nvidia.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
When devm_ioremap_resource() fails, a clear enough error message will be
printed by its subfunction __devm_ioremap_resource(). The error
information contains the device name, failure cause, and possibly resource
information.
Therefore, remove the error printing here to simplify code and reduce the
binary size.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20210511091843.4561-1-thunder.leizhen@huawei.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for Flex BMR310, BMR456, BMR457, BMR458, BMR480, BMR490,
BMR491 and BMR492 to the pmbus driver
Signed-off-by: Erik Rosen <erik.rosen@metormote.com>
Link: https://lore.kernel.org/r/20210507194023.61138-4-erik.rosen@metormote.com
[groeck: Fixed minor whitespace error]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Some PMBus chips end up in an undefined state when trying to read an
unsupported register. For such chips, it is necessary to reset the
chip pmbus controller to a known state after a failed register check.
This can be done by reading a known register. By setting this flag the
driver will try to read the STATUS register after each failed
register check. This read may fail, but it will put the chip into a
known state.
Signed-off-by: Erik Rosen <erik.rosen@metormote.com>
Link: https://lore.kernel.org/r/20210507194023.61138-2-erik.rosen@metormote.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Use platform_device_register_simple() instead of
manually calling platform_device_alloc()/platform_device_add().
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20210508131457.12780-5-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Use watchdog_set_nowayout() to process param
setting and change param type to bool.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20210508131457.12780-4-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
strlcpy is considered deprecated.
Replace it with strscpy.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20210508131457.12780-3-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Use devm_kzalloc()/devm_watchdog_register() for
watchdog registration since it allows us to remove
the sch56xx_watchdog_data struct from the drivers
own data structs.
Remove sch56xx_watchdog_unregister since devres
takes care of that now.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20210508131457.12780-2-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
[groeck: Dropped unnecessary return; at end of void function]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Valid Maxim Integrated ACPI device IDs would start with MXIM,
not with MAX1. On top of that, ACPI device IDs reflecting chip names
are almost always invalid.
Remove the invalid ACPI IDs.
Fixes: 04e1e70afe ("hwmon: (max31722) Add support for MAX31722/MAX31723 temperature sensors")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This reverts commit b58bd4c6df.
None of the ACPI IDs introduced with the reverted patch is a valid ACPI
device ID. Any ACPI users of this driver are advised to use PRP0001 and
a devicetree-compatible device identification.
Fixes: b58bd4c6df ("hwmon: (lm70) Add support for ACPI")
Cc: Andrej Picej <andpicej@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for Renesas ZL8802 Dual Channel/Dual Phase PMBus DC/DC
Digital Controller as well as ZLS1003 and ZLS4009 custom DC/DC
controller chips.
Signed-off-by: Erik Rosen <erik.rosen@metormote.com>
Link: https://lore.kernel.org/r/20210423153329.33457-2-erik.rosen@metormote.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The BPA-RS600 doesn't follow the PMBus spec for linear data.
Specifically it treats the mantissa as an unsigned 11-bit value instead
of a two's complement 11-bit value. At this point it's unclear whether
this only affects Vin or if Pin/Pout1 are affected as well. Erring on
the side of caution only Vin is dealt with here.
Fixes: 15b2703e5e ("hwmon: (pmbus) Add driver for BluTek BPA-RS600")
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Link: https://lore.kernel.org/r/20210616034218.25821-1-chris.packham@alliedtelesis.co.nz
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Merge tag 'v5.13-rc6' into char-misc-next
We need the fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Current shunt LSB values got reversed during in the
original driver commit.
So, correct the current shunt LSB values according to
the datasheet.
This caused reading slightly skewed current values.
Fixes: fff7b8ab22 ("hwmon: add Texas Instruments TPS23861 driver")
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Link: https://lore.kernel.org/r/20210609220728.499879-3-robert.marko@sartura.hr
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
TPS23861 has a configuration bit for setting of the
current shunt value used on the board.
Its bit 0 of the General Mask 1 register.
According to the datasheet bit values are:
0 for 255 mOhm (Default)
1 for 250 mOhm
So, configure the bit before registering the hwmon
device according to the value passed in the DTS or
default one if none is passed.
This caused potentially reading slightly skewed values
due to max current value being 1.02A when 250mOhm shunt
is used instead of 1.0A when 255mOhm is used.
Fixes: fff7b8ab22 ("hwmon: add Texas Instruments TPS23861 driver")
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Link: https://lore.kernel.org/r/20210609220728.499879-2-robert.marko@sartura.hr
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Define the max register address the device supports.
This allows reading the whole register space via
regmap debugfs, without it only register 0x0 is visible.
This was forgotten in the original driver commit.
Fixes: fff7b8ab22 ("hwmon: add Texas Instruments TPS23861 driver")
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Link: https://lore.kernel.org/r/20210609220728.499879-1-robert.marko@sartura.hr
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
- Bug fixes for the OCC, SCOM and SBEFIFO drivers
- Performance fix for aspeed fsi master
- Small fixes from the mailing lists
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Merge tag 'fsi-for-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/fsi into char-misc-next
Joel writes:
FSI changes for v5.14
- Bug fixes for the OCC, SCOM and SBEFIFO drivers
- Performance fix for aspeed fsi master
- Small fixes from the mailing lists
* tag 'fsi-for-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/fsi:
fsi/sbefifo: Fix reset timeout
fsi/sbefifo: Clean up correct FIFO when receiving reset request from SBE
fsi: master-ast-cf: Remove redundant error printing in fsi_master_acf_probe()
fsi: Aspeed: Reduce poll timeout
fsi: aspeed: convert to devm_platform_ioremap_resource
hwmon: (occ) Print response status in first poll error message
hwmon: (occ) Start sequence number at one
fsi: occ: Log error for checksum failure
fsi: occ: Don't accept response from un-initialized OCC
fsi: scom: Remove retries
fsi: scom: Reset the FSI2PIB engine for any error
fsi: aspeed: Emit fewer barriers in opb operations
fsi: core: Fix return of error values on failures
fsi: Add missing MODULE_DEVICE_TABLE
The scpi hwmon shows the sub-zero temperature in an unsigned integer,
which would confuse the users when the machine works in low temperature
environment. This shows the sub-zero temperature in an signed value and
users can get it properly from sensors.
Signed-off-by: Riwen Lu <luriwen@kylinos.cn>
Tested-by: Xin Chen <chenxin@kylinos.cn>
Link: https://lore.kernel.org/r/20210604030959.736379-1-luriwen@kylinos.cn
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
During standby some PSUs turn off the microcontroller. A re-init is
required during resume or the microcontroller stays unresponsive.
Fixes: d115b51e0e ("hwmon: add Corsair PSU HID controller driver")
Signed-off-by: Wilken Gottwalt <wilken.gottwalt@posteo.net>
Link: https://lore.kernel.org/r/YLjCJiVtu5zgTabI@monster.powergraphx.local
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
In order to better debug problems starting up the driver, print
the response status from the OCC in the error logged when the first
poll command fails.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210209171235.20624-5-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
Initialize the sequence number at one, rather than zero, in order
to prevent false matches with the zero-initialized OCC SRAM
buffer before the OCC is fully initialized.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210209171235.20624-4-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
The most notable fix is for the q54sj108a2 driver to let it actually
instantiate. Also attribute fixes for pmbus/isl68137, pmbus/fsp-3y,
and dell-smm-hwmon drivers.
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Merge tag 'hwmon-for-v5.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
"The most notable fix is for the q54sj108a2 driver to let it actually
instantiate.
Also attribute fixes for pmbus/isl68137, pmbus/fsp-3y, and
dell-smm-hwmon drivers"
* tag 'hwmon-for-v5.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon/pmbus: (q54sj108a2) The PMBUS_MFR_ID is actually 6 chars instead of 5
hwmon: (pmbus/isl68137) remove READ_TEMPERATURE_3 for RAA228228
hwmon: (pmbus/fsp-3y) Fix FSP-3Y YH-5151E VOUT
hwmon: (dell-smm-hwmon) Fix index values
Here is a big set of char/misc/other driver fixes for 5.13-rc3.
The majority here is the fallout of the umn.edu re-review of all prior
submissions. That resulted in a bunch of reverts along with the
"correct" changes made, such that there is no regression of any of the
potential fixes that were made by those individuals. I would like to
thank the over 80 different developers who helped with the review and
fixes for this mess.
Other than that, there's a few habanna driver fixes for reported issues,
and some dyndbg fixes for reported problems.
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here is a big set of char/misc/other driver fixes for 5.13-rc3.
The majority here is the fallout of the umn.edu re-review of all prior
submissions. That resulted in a bunch of reverts along with the
"correct" changes made, such that there is no regression of any of the
potential fixes that were made by those individuals. I would like to
thank the over 80 different developers who helped with the review and
fixes for this mess.
Other than that, there's a few habanna driver fixes for reported
issues, and some dyndbg fixes for reported problems.
All of these have been in linux-next for a while with no reported
problems"
* tag 'char-misc-5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (82 commits)
misc: eeprom: at24: check suspend status before disable regulator
uio_hv_generic: Fix another memory leak in error handling paths
uio_hv_generic: Fix a memory leak in error handling paths
uio/uio_pci_generic: fix return value changed in refactoring
Revert "Revert "ALSA: usx2y: Fix potential NULL pointer dereference""
dyndbg: drop uninformative vpr_info
dyndbg: avoid calling dyndbg_emit_prefix when it has no work
binder: Return EFAULT if we fail BINDER_ENABLE_ONEWAY_SPAM_DETECTION
cdrom: gdrom: initialize global variable at init time
brcmfmac: properly check for bus register errors
Revert "brcmfmac: add a check for the status of usb_register"
video: imsttfb: check for ioremap() failures
Revert "video: imsttfb: fix potential NULL pointer dereferences"
net: liquidio: Add missing null pointer checks
Revert "net: liquidio: fix a NULL pointer dereference"
media: gspca: properly check for errors in po1030_probe()
Revert "media: gspca: Check the return value of write_bridge for timeout"
media: gspca: mt9m111: Check write_bridge for timeout
Revert "media: gspca: mt9m111: Check write_bridge for timeout"
media: dvb: Add check on sp8870_readreg return
...
In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a break statement instead of letting the code fall
through to the next case.
Link: https://github.com/KSPP/linux/issues/115
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a break statement instead of letting the code fall
through to the next case.
Link: https://github.com/KSPP/linux/issues/115
Acked-by: Guenter Roeck <linux@roeck-us.net>
Marius Zachmann <mail@mariuszachmann.de>
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
The PMBUS_MFR_ID block is actually 6 chars for q54sj108a2.
/sys/bus/i2c/drivers/q54sj108a2_test# iotools smbus_read8 $BUS $ADDR 0x99
0x06
Tested: Devices are able to bind to the q54sj108a2 driver successfully.
Signed-off-by: Chu Lin <linchuyuan@google.com>
Link: https://lore.kernel.org/r/20210517222606.3457594-1-linchuyuan@google.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The initial version of the RAA228228 datasheet claimed that the device
supported READ_TEMPERATURE_3 but not READ_TEMPERATURE_1. It has since been
discovered that the datasheet was incorrect. The RAA228228 does support
READ_TEMPERATURE_1 but does not support READ_TEMPERATURE_3.
Signed-off-by: Grant Peltier <grantpeltier93@gmail.com>
Fixes: 51fb91ed5a ("hwmon: (pmbus/isl68137) remove READ_TEMPERATURE_1 telemetry for RAA228228")
Link: https://lore.kernel.org/r/20210514211954.GA24646@raspberrypi
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
After testing new YH-5151E devices, we found out that not all YH-5151E
work the same. The newly tested devices actually report vout correctly
in linear16 (even though they're still YH-5151E). We suspect that it is
because these new devices have a different firmware version, but that is
unconfirmed. The version cannot be queried through PMBus.
The compliant versions of YH-5151E report VOUT_MODE normally, so we turn
on the linear11 workaround only if VOUT_MODE doesn't report anything.
Signed-off-by: Václav Kubernát <kubernat@cesnet.cz>
Link: https://lore.kernel.org/r/20210513201110.313523-1-kubernat@cesnet.cz
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
When support for up to 10 temp sensors and for disabling automatic BIOS
fan control was added, noone updated the index values used for
disallowing fan support and fan type calls.
Fix those values.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20210513154546.12430-1-W_Armin@gmx.de
Fixes: 1bb46a20e7 ("hwmon: (dell-smm) Support up to 10 temp sensors")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This reverts commit 9aa3aa15f4.
Because of recent interactions with developers from @umn.edu, all
commits from them have been recently re-reviewed to ensure if they were
correct or not.
Upon review, it was determined that this commit is not needed at all so
just revert it. Also, the call to lm80_init_client() was not properly
handled, so if error handling is needed in the lm80_probe() function,
then it should be done properly, not half-baked like the commit being
reverted here did.
Cc: Kangjie Lu <kjlu@umn.edu>
Fixes: 9aa3aa15f4 ("hwmon: (lm80) fix a missing check of bus read in lm80 probe")
Cc: stable <stable@vger.kernel.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210503115736.2104747-5-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When converting the driver to use the devm_hwmon_device_register_with_info
API, the wrong register was selected when writing into inX_max attributes.
Fix it.
Fixes: 124b7e34a5 ("hwmon: (adm9240) Convert to devm_hwmon_device_register_with_info API")
Reported-by: Chris Packham <Chris.Packham@alliedtelesis.co.nz>
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
In each iteration fwnode_for_each_available_child_node() bumps a reference
counting of a loop variable followed by dropping in on a next iteration,
Since in error case the loop is broken, we have to drop a reference count
by ourselves. Do it for port_fwnode in error case during ->probe().
Fixes: b0bd407e94 ("hwmon: (ltc2992) Add support")
Cc: Alexandru Tachici <alexandru.tachici@analog.com>
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20210510100136.3303142-1-andy.shevchenko@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
I didn't properly test the driver for YH-5151E, so it was completely
broken. Firstly, the log/real mapping was incorrect in one case.
Secondly, PMBus specifies that output voltages should be in the linear16
encoding. However, the YH-5151E is non-compliant and uses linear11.
YM-2151E isn't affected by this. Fix this by converting the values
inside the read functions. linear16 gets the exponent from the VOUT_MODE
command. The device doesn't support it, so I have to manually supply the
value for it.
Both supported devices have now been tested to report correct vout
values.
Fixes: 1734b4135a ("hwmon: Add driver for fsp-3y PSUs and PDUs")
Signed-off-by: Václav Kubernát <kubernat@cesnet.cz>
Link: https://lore.kernel.org/r/20210429075337.110502-1-kubernat@cesnet.cz
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The poll rate limiter time was initialized at zero. This breaks the
comparison in time_after if jiffies is large. Switch to storing the
next update time rather than the previous time, and initialize the
time when the device is probed.
Fixes: c10e753d43 ("hwmon (occ): Add sensor types and versions")
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20210429151336.18980-1-eajames@linux.ibm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
- Update ACPICA code in the kernel to upstream revision 20210331
including the following changes:
* Add parsing for IVRS IVHD 40h and device entry F0h (Alexander
Monakov).
* Add new CEDT table for CXL 2.0 and iASL support for it (Ben
Widawsky, Bob Moore).
* NFIT: add Location Cookie field (Bob Moore).
* HMAT: add new fields/flags (Bob Moore).
* Add new flags in SRAT (Bob Moore).
* PMTT: add new fields/structures (Bob Moore).
* Add CSI2Bus resource template (Bob Moore).
* iASL: Decode subtable type field for VIOT (Bob Moore).
* Fix various typos and spelling mistakes (Colin Ian King).
* Add new predefined objects _BPC, _BPS, and _BPT (Erik Kaneda).
* Add USB4 capabilities UUID (Erik Kaneda).
* Add CXL ACPI device ID and _CBR object (Erik Kaneda).
* MADT: add Multiprocessor Wakeup Structure (Erik Kaneda).
* PCCT: add support for subtable type 5 (Erik Kaneda).
* PPTT: add new version of subtable type 1 (Erik Kaneda).
* Add SDEV secure access components (Erik Kaneda).
* Add support for PHAT table (Erik Kaneda).
* iASL: Add definitions for the VIOT table (Jean-Philippe Brucker).
* acpisrc: Add missing conversion for VIOT support (Jean-Philippe
Brucker).
* IORT: Updates for revision E.b (Shameer Kolothum).
- Rearrange message printing in ACPI-related code to avoid using the
ACPICA's internal message printing macros outside ACPICA and do
some related code cleanups (Rafael Wysocki).
- Modify the device enumeration code to turn off all of the unused
ACPI power resources at the end (Rafael Wysocki).
- Change the ACPI power resources handling code to turn off unused
ACPI power resources without checking their status which should
not be necessary by the spec (Rafael Wysocki).
- Add empty stubs for CPPC-related functions to be used when
CONFIG_ACPI_CPPC_LIB is not set (Rafael Wysocki).
- Simplify device enumeration code (Rafael Wysocki).
- Change device enumeration code to use match_string() for string
matching (Andy Shevchenko).
- Modify irqresource_disabled() to retain the resouce flags that
have been set already (Angela Czubak).
- Add native backlight whitelist entry for GA401/GA502/GA503 (Luke
Jones).
- Modify the ACPI backlight driver to let the native backlight
handling take over on hardware-reduced systems (Hans de Goede).
- Introduce acpi_dev_get() and switch over the ACPI core code to
using it (Andy Shevchenko).
- Use kobj_attribute as callback argument instead of a local struct
type in the CPPC linrary code (Nathan Chancellor).
- Drop unneeded initializatio of a static variable from the ACPI
processor driver (Tian Tao).
- Drop unnecessary local variable assignment from the ACPI APEI
code (Colin Ian King).
- Document for_each_acpi_dev_match() macro (Andy Shevchenko).
- Address assorted coding style issues in multiple places (Xiaofei
Tan).
- Capitalize TLAs in a few comments (Andy Shevchenko).
- Correct assorted typos in comments (Tom Saeger).
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Merge tag 'acpi-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These update the ACPICA code in the kernel to the most recent upstream
revision including (but not limited to) new material introduced in the
6.4 version of the spec, update message printing in the ACPI-related
code, address a few issues and clean up code in a number of places.
Specifics:
- Update ACPICA code in the kernel to upstream revision 20210331
including the following changes:
* Add parsing for IVRS IVHD 40h and device entry F0h (Alexander
Monakov).
* Add new CEDT table for CXL 2.0 and iASL support for it (Ben
Widawsky, Bob Moore).
* NFIT: add Location Cookie field (Bob Moore).
* HMAT: add new fields/flags (Bob Moore).
* Add new flags in SRAT (Bob Moore).
* PMTT: add new fields/structures (Bob Moore).
* Add CSI2Bus resource template (Bob Moore).
* iASL: Decode subtable type field for VIOT (Bob Moore).
* Fix various typos and spelling mistakes (Colin Ian King).
* Add new predefined objects _BPC, _BPS, and _BPT (Erik Kaneda).
* Add USB4 capabilities UUID (Erik Kaneda).
* Add CXL ACPI device ID and _CBR object (Erik Kaneda).
* MADT: add Multiprocessor Wakeup Structure (Erik Kaneda).
* PCCT: add support for subtable type 5 (Erik Kaneda).
* PPTT: add new version of subtable type 1 (Erik Kaneda).
* Add SDEV secure access components (Erik Kaneda).
* Add support for PHAT table (Erik Kaneda).
* iASL: Add definitions for the VIOT table (Jean-Philippe
Brucker).
* acpisrc: Add missing conversion for VIOT support (Jean-Philippe
Brucker).
* IORT: Updates for revision E.b (Shameer Kolothum).
- Rearrange message printing in ACPI-related code to avoid using the
ACPICA's internal message printing macros outside ACPICA and do
some related code cleanups (Rafael Wysocki).
- Modify the device enumeration code to turn off all of the unused
ACPI power resources at the end (Rafael Wysocki).
- Change the ACPI power resources handling code to turn off unused
ACPI power resources without checking their status which should not
be necessary by the spec (Rafael Wysocki).
- Add empty stubs for CPPC-related functions to be used when
CONFIG_ACPI_CPPC_LIB is not set (Rafael Wysocki).
- Simplify device enumeration code (Rafael Wysocki).
- Change device enumeration code to use match_string() for string
matching (Andy Shevchenko).
- Modify irqresource_disabled() to retain the resouce flags that have
been set already (Angela Czubak).
- Add native backlight whitelist entry for GA401/GA502/GA503 (Luke
Jones).
- Modify the ACPI backlight driver to let the native backlight
handling take over on hardware-reduced systems (Hans de Goede).
- Introduce acpi_dev_get() and switch over the ACPI core code to
using it (Andy Shevchenko).
- Use kobj_attribute as callback argument instead of a local struct
type in the CPPC linrary code (Nathan Chancellor).
- Drop unneeded initializatio of a static variable from the ACPI
processor driver (Tian Tao).
- Drop unnecessary local variable assignment from the ACPI APEI code
(Colin Ian King).
- Document for_each_acpi_dev_match() macro (Andy Shevchenko).
- Address assorted coding style issues in multiple places (Xiaofei
Tan).
- Capitalize TLAs in a few comments (Andy Shevchenko).
- Correct assorted typos in comments (Tom Saeger)"
* tag 'acpi-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (68 commits)
ACPI: video: use native backlight for GA401/GA502/GA503
ACPI: APEI: remove redundant assignment to variable rc
ACPI: utils: Capitalize abbreviations in the comments
ACPI: utils: Document for_each_acpi_dev_match() macro
ACPI: bus: Introduce acpi_dev_get() and reuse it in ACPI code
ACPI: scan: Utilize match_string() API
resource: Prevent irqresource_disabled() from erasing flags
ACPI: CPPC: Replace cppc_attr with kobj_attribute
ACPI: scan: Call acpi_get_object_info() from acpi_set_pnp_ids()
ACPI: scan: Drop sta argument from acpi_init_device_object()
ACPI: scan: Drop sta argument from acpi_add_single_object()
ACPI: scan: Rearrange checks in acpi_bus_check_add()
ACPI: scan: Fold acpi_bus_type_and_status() into its caller
ACPI: video: Check LCD flag on ACPI-reduced-hardware devices
ACPI: utils: Add acpi_reduced_hardware() helper
ACPI: dock: fix some coding style issues
ACPI: sysfs: fix some coding style issues
ACPI: PM: add a missed blank line after declarations
ACPI: custom_method: fix a coding style issue
ACPI: CPPC: fix some coding style issues
...
The most notable change is the removal of the amd_energy driver. It was
rendered all but unusable by making its attributes privileged-only to work
around a security issue. A suggested remedy was rejected by AMD, so the
only real solution was to remove the driver. For the future, we'll have
to make sure that no privileged-access-only drivers are accepted into the
hwmon subsystem in the first place. The hwmon ABI document was updated
accordingly.
Other changes:
PMBus drivers:
- Added driver for MAX15301
- Added driver for BluTek BPA-RS600
- Added driver for fsp-3y PSUs and PDUs
- Added driver for Infineon IR36021
- Added driver for ST STPDDC60
- Added support for TI TPS53676 to tps53679 driver
- Introduced PMBUS symbol namespace
This was made necessary by a suggestion to use its exported functions
from outside the hwmon subsystem.
- Minor improvements and bug fixes
New drivers:
- Driver for NZXT Kraken X42/X52/X62/X72
Driver enhancements:
- Added support for Intel D5005 to intel-m10-bmc-hwmon driver
- Added support for NCT6686D to nct6683 driver
Other:
- Converted sch5627 and amd9240 drivers to hwmon_device_register_with_info()
- Added support for fan drawers capability and present registers to mlxreg-fan
driver
- Added Dell Latitude E7440 to fan control whitelist in dell-smm driver
- Replaced snprintf in show functions with sysfs_emit
Done with coccinelle script for all drivers to preempt endless per-driver
submissions of the same change.
- Use kobj_to_dev()
Another coccinelle based change to preempt endless per-driver submissions
of the same change.
- Various minor fixes and improvements
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Merge tag 'hwmon-for-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"The most notable change is the removal of the amd_energy driver. It
was rendered all but unusable by making its attributes privileged-only
to work around a security issue. A suggested remedy was rejected by
AMD, so the only real solution was to remove the driver. For the
future, we'll have to make sure that no privileged-access-only drivers
are accepted into the hwmon subsystem in the first place. The hwmon
ABI document was updated accordingly.
Other changes:
PMBus drivers:
- Added driver for MAX15301
- Added driver for BluTek BPA-RS600
- Added driver for fsp-3y PSUs and PDUs
- Added driver for Infineon IR36021
- Added driver for ST STPDDC60
- Added support for TI TPS53676 to tps53679 driver
- Introduced PMBUS symbol namespace. This was made necessary by a
suggestion to use its exported functions from outside the hwmon
subsystem.
- Minor improvements and bug fixes
New drivers:
- Driver for NZXT Kraken X42/X52/X62/X72
Driver enhancements:
- Added support for Intel D5005 to intel-m10-bmc-hwmon driver
- Added support for NCT6686D to nct6683 driver
Other:
- Converted sch5627 and amd9240 drivers to
hwmon_device_register_with_info()
- Added support for fan drawers capability and present registers to
mlxreg-fan driver
- Added Dell Latitude E7440 to fan control whitelist in dell-smm
driver
- Replaced snprintf in show functions with sysfs_emit. Done with
coccinelle script for all drivers to preempt endless per-driver
submissions of the same change.
- Use kobj_to_dev(). Another coccinelle based change to preempt
endless per-driver submissions of the same change.
- Various minor fixes and improvements"
* tag 'hwmon-for-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (38 commits)
hwmon: Remove amd_energy driver
hwmon: Clarify scope of attribute access
hwmon: (pmbus) Introduce PMBUS symbol namespace
hwmon: (pmbus) Add pmbus driver for MAX15301
hwmon: (sch5627) Remove unnecessary error path
hwmon: (sch5627) Use devres function
hwmon: (pmbus/pxe1610) don't bail out when not all pages are active
hwmon: Add driver for fsp-3y PSUs and PDUs
hwmon: (intel-m10-bmc-hwmon) add sensor support of Intel D5005 card
hwmon: (sch5627) Split sch5627_update_device()
hwmon: (sch5627) Convert to hwmon_device_register_with_info()
hwmon: (nct6683) remove useless function
hwmon: (dell-smm) Add Dell Latitude E7440 to fan control whitelist
MAINTAINERS: Add keyword pattern for hwmon registration functions
hwmon: (mlxreg-fan) Add support for fan drawers capability and present registers
hwmon: (pmbus/tps53679) Add support for TI TPS53676
dt-bindings: Add trivial device entry for TPS53676
hwmon: (ftsteutates) Rudimentary typo fixes
hwmon: (pmbus) Add driver for BluTek BPA-RS600
dt-bindings: Add vendor prefix and trivial device for BluTek BPA-RS600
...
Updates for SoC specific drivers include a few subsystems that
have their own maintainers but send them through the soc tree:
TEE/OP-TEE:
- Add tracepoints around calls to secure world
Memory controller drivers:
- Minor fixes for Renesas, Exynos, Mediatek and Tegra platforms
- Add debug statistics to Tegra20 memory controller
- Update Tegra bindings and convert to dtschema
ARM SCMI Firmware:
- Support for modular SCMI protocols and vendor specific extensions
- New SCMI IIO driver
- Per-cpu DVFS
The other driver changes are all from the platform maintainers
directly and reflect the drivers that don't fit into any other
subsystem as well as treewide changes for a particular platform.
SoCFPGA:
- Various cleanups contributed by Krzysztof Kozlowski
Mediatek:
- add MT8183 support to mutex driver
- MMSYS: use per SoC array to describe the possible routing
- add MMSYS support for MT8183 and MT8167
- add support for PMIC wrapper with integrated arbiter
- add support for MT8192/MT6873
Tegra:
- Bug fixes to PMC and clock drivers
NXP/i.MX:
- Update SCU power domain driver to keep console domain power on.
- Add missing ADC1 power domain to SCU power domain driver.
- Update comments for single global power domain in SCU power domain
driver.
- Add i.MX51/i.MX53 unique id support to i.MX SoC driver.
NXP/FSL SoC driver updates for v5.13
- Add ACPI support for RCPM driver
- Use generic io{read,write} for QE drivers after performance optimized
for PowerPC
- Fix QBMAN probe to cleanup HW states correctly for kexec
- Various cleanup and style fix for QBMAN/QE/GUTS drivers
OMAP:
- Preparation to use devicetree for genpd
- ti-sysc needs iorange check improved when the interconnect target module
has no control registers listed
- ti-sysc needs to probe l4_wkup and l4_cfg interconnects first to avoid
issues with missing resources and unnecessary deferred probe
- ti-sysc debug option can now detect more devices
- ti-sysc now warns if an old incomplete devicetree data is found as we
now rely on it being complete for am3 and 4
- soc init code needs to check for prcm and prm nodes for omap4/5 and dra7
- omap-prm driver needs to enable autoidle retention support for omap4
- omap5 clocks are missing gpmc and ocmc clock registers
- pci-dra7xx now needs to use builtin_platform_driver instead of using
builtin_platform_driver_probe for deferred probe to work
Raspberry Pi:
- Fix-up all RPi firmware drivers so as for unbind to happen in an
orderly fashion
- Support for RPi's PoE hat PWM bus
Qualcomm
- Improved detection for SCM calling conventions
- Support for OEM specific wifi firmware path
- Added drivers for SC7280/SM8350: RPMH, LLCC< AOSS QMP
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-drivers-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"Updates for SoC specific drivers include a few subsystems that have
their own maintainers but send them through the soc tree:
TEE/OP-TEE:
- Add tracepoints around calls to secure world
Memory controller drivers:
- Minor fixes for Renesas, Exynos, Mediatek and Tegra platforms
- Add debug statistics to Tegra20 memory controller
- Update Tegra bindings and convert to dtschema
ARM SCMI Firmware:
- Support for modular SCMI protocols and vendor specific extensions
- New SCMI IIO driver
- Per-cpu DVFS
The other driver changes are all from the platform maintainers
directly and reflect the drivers that don't fit into any other
subsystem as well as treewide changes for a particular platform.
SoCFPGA:
- Various cleanups contributed by Krzysztof Kozlowski
Mediatek:
- add MT8183 support to mutex driver
- MMSYS: use per SoC array to describe the possible routing
- add MMSYS support for MT8183 and MT8167
- add support for PMIC wrapper with integrated arbiter
- add support for MT8192/MT6873
Tegra:
- Bug fixes to PMC and clock drivers
NXP/i.MX:
- Update SCU power domain driver to keep console domain power on.
- Add missing ADC1 power domain to SCU power domain driver.
- Update comments for single global power domain in SCU power domain
driver.
- Add i.MX51/i.MX53 unique id support to i.MX SoC driver.
NXP/FSL SoC driver updates for v5.13
- Add ACPI support for RCPM driver
- Use generic io{read,write} for QE drivers after performance
optimized for PowerPC
- Fix QBMAN probe to cleanup HW states correctly for kexec
- Various cleanup and style fix for QBMAN/QE/GUTS drivers
OMAP:
- Preparation to use devicetree for genpd
- ti-sysc needs iorange check improved when the interconnect target
module has no control registers listed
- ti-sysc needs to probe l4_wkup and l4_cfg interconnects first to
avoid issues with missing resources and unnecessary deferred probe
- ti-sysc debug option can now detect more devices
- ti-sysc now warns if an old incomplete devicetree data is found as
we now rely on it being complete for am3 and 4
- soc init code needs to check for prcm and prm nodes for omap4/5 and
dra7
- omap-prm driver needs to enable autoidle retention support for
omap4
- omap5 clocks are missing gpmc and ocmc clock registers
- pci-dra7xx now needs to use builtin_platform_driver instead of
using builtin_platform_driver_probe for deferred probe to work
Raspberry Pi:
- Fix-up all RPi firmware drivers so as for unbind to happen in an
orderly fashion
- Support for RPi's PoE hat PWM bus
Qualcomm
- Improved detection for SCM calling conventions
- Support for OEM specific wifi firmware path
- Added drivers for SC7280/SM8350: RPMH, LLCC< AOSS QMP"
* tag 'arm-drivers-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (165 commits)
soc: aspeed: fix a ternary sign expansion bug
memory: mtk-smi: Add device-link between smi-larb and smi-common
memory: samsung: exynos5422-dmc: handle clk_set_parent() failure
memory: renesas-rpc-if: fix possible NULL pointer dereference of resource
clk: socfpga: fix iomem pointer cast on 64-bit
soc: aspeed: Adapt to new LPC device tree layout
pinctrl: aspeed-g5: Adapt to new LPC device tree layout
ipmi: kcs: aspeed: Adapt to new LPC DTS layout
ARM: dts: Remove LPC BMC and Host partitions
dt-bindings: aspeed-lpc: Remove LPC partitioning
soc: fsl: enable acpi support in RCPM driver
soc: qcom: mdt_loader: Detect truncated read of segments
soc: qcom: mdt_loader: Validate that p_filesz < p_memsz
soc: qcom: pdr: Fix error return code in pdr_register_listener
firmware: qcom_scm: Fix kernel-doc function names to match
firmware: qcom_scm: Suppress sysfs bind attributes
firmware: qcom_scm: Workaround lack of "is available" call on SC7180
firmware: qcom_scm: Reduce locking section for __get_convention()
firmware: qcom_scm: Make __qcom_scm_is_call_available() return bool
Revert "soc: fsl: qe: introduce qe_io{read,write}* wrappers"
...
Here is the big set of staging and IIO driver updates for 5.13-rc1.
Lots of little churn in here, and some larger churn as well. Major
things are:
- removal of wimax drivers, no one has this hardware anymore for
this failed "experiment".
- removal of the Google gasket driver, turns out no one wanted
to maintain it or cares about it anymore, so they asked for it
to be removed.
- comedi finally moves out of the staging directory into
drivers/comedi/ This is one of the oldest kernel subsystems
around, being created in the 2.0 kernel days, and was one of
the first things added to drivers/staging/ when that was
created over 15 years ago. It should have been moved out of
staging a long time ago, it's well maintained and used by
loads of different devices in the real world every day. Nice
to see this finally happen.
- so many tiny coding style cleanups it's not funny. Perfect
storm of at least 2 different intern project application
deadlines combined to provide a huge number of new
contributions in this area from people learning how to do
kernel development. Great job to everyone involved here.
There's also the normal updates for IIO drivers with new IIO drivers and
updates all over that subsystem.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO driver updates from Greg KH:
"Here is the big set of staging and IIO driver updates for 5.13-rc1.
Lots of little churn in here, and some larger churn as well. Major
things are:
- removal of wimax drivers, no one has this hardware anymore for this
failed "experiment".
- removal of the Google gasket driver, turns out no one wanted to
maintain it or cares about it anymore, so they asked for it to be
removed.
- comedi finally moves out of the staging directory into drivers/comedi
This is one of the oldest kernel subsystems around, being created
in the 2.0 kernel days, and was one of the first things added to
drivers/staging/ when that was created over 15 years ago.
It should have been moved out of staging a long time ago, it's well
maintained and used by loads of different devices in the real world
every day. Nice to see this finally happen.
- so many tiny coding style cleanups it's not funny.
Perfect storm of at least 2 different intern project application
deadlines combined to provide a huge number of new contributions in
this area from people learning how to do kernel development. Great
job to everyone involved here.
There's also the normal updates for IIO drivers with new IIO drivers
and updates all over that subsystem.
All of these have been in linux-next for a while with no reported
issues"
* tag 'staging-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (907 commits)
staging: octeon: Use 'for_each_child_of_node'
Staging: rtl8723bs: rtw_xmit: fixed tabbing issue
staging: rtl8188eu: remove unused function parameters
staging: rtl8188eu: cmdThread is a task_struct
staging: rtl8188eu: remove constant variable and dead code
staging: rtl8188eu: change bLeisurePs' type to bool
staging: rtl8723bs: remove empty #ifdef block
staging: rtl8723bs: remove unused DBG_871X_LEVEL macro declarations
staging: rtl8723bs: split too long line
staging: rtl8723bs: fix indentation in if block
staging: rtl8723bs: fix code indent issue
staging: rtl8723bs: replace DBG_871X_LEVEL logs with netdev_*()
staging: rtl8192e: indent statement properly
staging: rtl8723bs: Remove led_blink_hdl() and everything related
staging: comedi: move out of staging directory
staging: rtl8723bs: remove sdio_drv_priv structure
staging: rtl8723bs: remove unused argument in function
staging: rtl8723bs: remove DBG_871X_SEL_NL macro declaration
staging: rtl8723bs: replace DBG_871X_SEL_NL with netdev_dbg()
staging: rtl8723bs: fix indentation issue introduced by long line split
...
Commit 60268b0e82 ("hwmon: (amd_energy) modify the visibility of
the counters") restricted visibility of AMD energy counters to work
around a side-channel attack using energy data to determine which
instructions are executed. The attack is described in 'PLATYPUS:
Software-based Power Side-Channel Attacks on x86'. It relies on quick
and accurate energy readings.
This change made the counters provided by the amd_energy driver
effectively unusable for non-provileged users. However, unprivileged
read access is the whole point of hardware monitoring attributes.
An attempt to remedy the situation by limiting and randomizing access
to chip registers was rejected by AMD. Since the driver is for all
practical purposes unusable, remove it.
Cc: Naveen Krishna Chatradhi <nchatrad@amd.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Exported pmbus symbols are only supposed to be used from PMBus code.
Introduce PMBUS symbol namespace to prevent misuse from other code.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add pmbus driver support for Maxim MAX15301 InTune Automatically
Compensated Digital PoL Controller with Driver and PMBus Telemetry
Even though the specification does not specifically mention it,
extensive empirical testing has revealed that auto-detection of
limit-registers will fail in a random fashion unless the delay
parameter is set to above about 80us. The default delay is set
to 100us to include some safety margin.
This patch is tested on a Flex BMR461 converter module.
Signed-off-by: Erik Rosen <erik.rosen@metormote.com>
Link: https://lore.kernel.org/r/20210419101251.24840-1-erik.rosen@metormote.com
[groeck: Added rationale for delay to driver header]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Calling remove() on error whould have only unregistered
the watchdog, and since a failure in registering him
is considered non-fatal and happens last, remove the
error path and return the error codes directly.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20210417210920.15496-3-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Use devm_hwmon_device_register_with_info() and remove hwmon_dev
from sch5627_data struct as it is not needed anymore.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20210417210920.15496-2-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Certain VRs might be configured to use only the first output channel and
so the mode for the second will be 0. Handle this gracefully.
Fixes: b9fa0a3acf ("hwmon: (pmbus/core) Add support for vid mode detection per page bases")
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Link: https://lore.kernel.org/r/20210416102926.13614-1-fercerpav@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This patch adds support for these devices:
- YH-5151E - the PDU
- YM-2151E - the PSU
The device datasheet says that the devices support PMBus 1.2, but in my
testing, a lot of the commands aren't supported and if they are, they
sometimes behave strangely or inconsistently. For example, writes to the
PAGE command requires using PEC, otherwise the write won't work and the
page won't switch, even though, the standard says that PEC is optional.
On the other hand, writes to SMBALERT don't require PEC. Because of
this, the driver is mostly reverse engineered with the help of a tool
called pmbus_peek written by David Brownell (and later adopted by my
colleague Jan Kundrát).
The device also has some sort of a timing issue when switching pages,
which is explained further in the code.
Because of this, the driver support is limited. It exposes only the
values that have been tested to work correctly.
Signed-off-by: Václav Kubernát <kubernat@cesnet.cz>
Link: https://lore.kernel.org/r/20210414080019.3530794-1-kubernat@cesnet.cz
[groeck: Fixed up "missing braces around initializer" from 0-day]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Like the Intel N3000 card, the Intel D5005 has a MAX10 based
BMC. This commit adds support for the D5005 sensors that are
monitored by the MAX10 BMC.
Signed-off-by: Matthew Gerlach <matthew.gerlach@linux.intel.com>
Signed-off-by: Russ Weight <russell.h.weight@linux.intel.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20210413225835.459662-3-matthew.gerlach@linux.intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
An error in sch5627_update_device() could cause sch5627_read()
to fail even if the error did not affect the target sensor type.
Split sch5627_update_device() to prevent that.
Tested on a Fujitsu Esprimo P720.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210411164225.11967-3-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
hwmon_device_register() is deprecated.
Convert driver to use hwmon_device_register_with_info() and
remove sysfs attributes which are now being handled by the
hwmon subsystem.
Channel handling was inspired by corsair-cpro.
Tested on a Fujitsu Esprimo P720.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210411164225.11967-2-W_Armin@gmx.de
[groeck: Replaced 0 with NULL]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for fan drawer's capability and present registers in order
to set mapping between the fan drawers and tachometers. Some systems
are equipped with fan drawers with one tachometer inside. Others with
fan drawers with several tachometers inside. Using present register
along with tachometer-to-drawer mapping allows to skip reading missed
tachometers and expose input for them as zero, instead of exposing
fault code returned by hardware.
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/20210322172237.2213584-1-vadimp@nvidia.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for TI TPS53676 controller to the tps53679 pmbus driver
The driver uses the USER_DATA_03 register to figure out how many phases
are enabled and to which channel they are assigned, and sets the number
of pages and phases accordingly.
Signed-off-by: Erik Rosen <erik.rosen@metormote.com>
Link: https://lore.kernel.org/r/20210322193734.75127-3-erik.rosen@metormote.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The BPA-RS600 is a compact 600W AC to DC removable power supply module.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210317040231.21490-3-chris.packham@alliedtelesis.co.nz
[groeck: Added bpa-rs600 to index.rst]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
coccicheck complains about the use of snprintf() in sysfs
show functions.
drivers/hwmon/ina3221.c:701:8-16: WARNING: use scnprintf or sprintf
This results in a large number of patch submissions. Fix it all in
one go using the following coccinelle rules. Use sysfs_emit instead
of scnprintf or sprintf since that makes more sense.
@depends on patch@
identifier show, dev, attr, buf;
@@
ssize_t show(struct device *dev, struct device_attribute *attr, char *buf)
{
<...
return
- snprintf(buf, \( PAGE_SIZE \| PAGE_SIZE - 1 \),
+ sysfs_emit(buf,
...);
...>
}
@depends on patch@
identifier show, dev, attr, buf, rc;
@@
ssize_t show(struct device *dev, struct device_attribute *attr, char *buf)
{
<...
rc =
- snprintf(buf, \( PAGE_SIZE \| PAGE_SIZE - 1 \),
+ sysfs_emit(buf,
...);
...>
}
While at it, remove unnecessary braces and as well as unnecessary
else after return statements to address checkpatch warnings in the
resulting patch.
Cc: Zihao Tang <tangzihao1@hisilicon.com>
Cc: Jay Fang <f.fangjian@huawei.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The hwmon sysfs ABI requires that the `name` property doesn't include
any dashes. But when the pmbus code picks the name up from the device
tree it quite often does. Replace '-' with '_' before registering the
device.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Link: https://lore.kernel.org/r/20210317040231.21490-2-chris.packham@alliedtelesis.co.nz
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
These are "all-in-one" CPU liquid coolers that can be monitored and
controlled through a proprietary USB HID protocol.
While the models have differently sized radiators and come with varying
numbers of fans, they are all indistinguishable at the software level.
The driver exposes fan/pump speeds and coolant temperature through the
standard hwmon sysfs interface.
Fan and pump control, while supported by the devices, are not currently
exposed. The firmware accepts up to 61 trip points per channel
(fan/pump), but the same set of trip temperatures has to be maintained
for both; with pwmX_auto_point_Y_temp attributes, users would need to
maintain this invariant themselves.
Instead, fan and pump control, as well as LED control (which the device
also supports for 9 addressable RGB LEDs on the CPU water block) are
left for existing and already mature user-space tools, which can still
be used alongside the driver, thanks to hidraw. A link to one, which I
also maintain, is provided in the documentation.
The implementation is based on USB traffic analysis. It has been
runtime tested on x86_64, both as a built-in driver and as a module.
Signed-off-by: Jonas Malaco <jonas@protocubo.io>
Link: https://lore.kernel.org/r/20210319045544.416138-1-jonas@protocubo.io
[groeck: Removed unnecessary spinlock.h include]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Fix the following coccicheck warning:
drivers/hwmon/ina2xx.c:313:8-16: WARNING: use scnprintf or sprintf
drivers/hwmon/ina2xx.c:453:8-16: WARNING: use scnprintf or sprintf
drivers/hwmon/ina2xx.c:484:8-16: WARNING: use scnprintf or sprintf
drivers/hwmon/ina2xx.c:540:8-16: WARNING: use scnprintf or sprintf
Signed-off-by: Zihao Tang <tangzihao1@hisilicon.com>
Signed-off-by: Jay Fang <f.fangjian@huawei.com>
Link: https://lore.kernel.org/r/1615892457-35501-1-git-send-email-f.fangjian@huawei.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
coccinelle complains about
WARNING opportunity for kobj_to_dev()
in several files, resulting in one-by-one patch submissions.
Handle all remaining instances in one go.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Adds support for reading the critical values of the temperature sensors
and the rail sensors (voltage and current) once and caches them. Updates
the naming of the constants following a more clear scheme. Also updates
the documentation and fixes some typos. Updates is_visible and ops_read
functions to be more readable.
The new sensors output of a Corsair HX850i will look like this:
corsairpsu-hid-3-1
Adapter: HID adapter
v_in: 230.00 V
v_out +12v: 12.14 V (crit min = +8.41 V, crit max = +15.59 V)
v_out +5v: 5.03 V (crit min = +3.50 V, crit max = +6.50 V)
v_out +3.3v: 3.30 V (crit min = +2.31 V, crit max = +4.30 V)
psu fan: 0 RPM
vrm temp: +46.2°C (crit = +70.0°C)
case temp: +39.8°C (crit = +70.0°C)
power total: 152.00 W
power +12v: 108.00 W
power +5v: 41.00 W
power +3.3v: 5.00 W
curr +12v: 9.00 A (crit max = +85.00 A)
curr +5v: 8.31 A (crit max = +40.00 A)
curr +3.3v: 1.62 A (crit max = +40.00 A)
Signed-off-by: Wilken Gottwalt <wilken.gottwalt@posteo.net>
Link: https://lore.kernel.org/r/YFNg6vGk3sQmyqgB@monster.powergraphx.local
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add hardware monitoring support for ST STPDDC60 Unversal Digital
Multicell Controller.
Signed-off-by: Erik Rosen <erik.rosen@metormote.com>
Link: https://lore.kernel.org/r/20210218115249.28513-3-erik.rosen@metormote.com
[groeck: Fixed whitespace error in Makefile]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
For the STPDDC60 chip, the vout alarm-limits are represented as an offset
relative to the commanded output voltage. This means that the limits are
dynamic and must not be cached by the pmbus driver. This patch adds a
pmbus_set_sensor() function to pmbus_core to be able to set the update flag
on selected sensors after auto-detection of limit attributes.
Signed-off-by: Erik Rosen <erik.rosen@metormote.com>
Link: https://lore.kernel.org/r/20210218115249.28513-2-erik.rosen@metormote.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for NCT6686D chip used in the Lenovo P620.
Signed-off-by: Jiqi Li <lijq9@lenovo.com>
Reviewed-by: Mark Pearson <markpearson@lenovo.com>
Link: https://lore.kernel.org/r/20210304104421.1912934-1-lijq9@lenovo.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Changes the way how LINEAR11 values are calculated. The new method
increases the precision of 2-3 digits.
old method:
corsairpsu-hid-3-1
Adapter: HID adapter
v_in: 230.00 V
v_out +12v: 12.00 V
v_out +5v: 5.00 V
v_out +3.3v: 3.00 V
psu fan: 0 RPM
vrm temp: +44.0°C
case temp: +37.0°C
power total: 152.00 W
power +12v: 112.00 W
power +5v: 38.00 W
power +3.3v: 5.00 W
curr in: N/A
curr +12v: 9.00 A
curr +5v: 7.00 A
curr +3.3v: 1000.00 mA
new method:
corsairpsu-hid-3-1
Adapter: HID adapter
v_in: 230.00 V
v_out +12v: 12.16 V
v_out +5v: 5.01 V
v_out +3.3v: 3.30 V
psu fan: 0 RPM
vrm temp: +44.5°C
case temp: +37.8°C
power total: 148.00 W
power +12v: 108.00 W
power +5v: 37.00 W
power +3.3v: 4.50 W
curr in: N/A
curr +12v: 9.25 A
curr +5v: 7.50 A
curr +3.3v: 1.50 A
Co-developed-by: Jack Doan <me@jackdoan.com>
Signed-off-by: Jack Doan <me@jackdoan.com>
Signed-off-by: Wilken Gottwalt <wilken.gottwalt@posteo.net>
Link: https://lore.kernel.org/r/YDoSMqFbgoTXyoru@monster.powergraphx.local
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
fixed the following coccicheck:
./drivers/hwmon/hwmon.c:82:60-61: WARNING opportunity for kobj_to_dev()
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/1614071667-5665-1-git-send-email-yang.lee@linux.alibaba.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Also use regmap for register caching. This change reduces code and
data size by more than 40%.
While at it, fixed some warnings reported by checkpatch.
Cc: Chris Packham <Chris.Packham@alliedtelesis.co.nz>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
We only use the pointer to i2c_client to access &client->dev.
Store the device pointer directly instead of retrieving it
from i2c_client.
Cc: Chris Packham <Chris.Packham@alliedtelesis.co.nz>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Not detecting a chip in the detect function is normal and should not
generate any log messages, much less error messages.
Cc: Chris Packham <Chris.Packham@alliedtelesis.co.nz>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Port the scmi hwmon driver to the new SCMI sensor interface based on
protocol handles and common devm_get_ops().
Link: https://lore.kernel.org/r/20210316124903.35011-25-cristian.marussi@arm.com
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Jean Delvare <jdelvare@suse.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Before trying the custom method of reading the sensor
as raw and then converting, we want to use
iio_read_channel_processed_scale() which first tries to
see if the ADC can provide a processed value directly,
else reads raw and applies scaling inside of IIO
using the scale attributes of the ADC. We need to
multiply the scaled value with 1000 to get to
microvolts from millivolts which is what processed
IIO channels returns.
Keep the code that assumes 12bit ADC around as a
fallback.
This gives correct readings on the AB8500 thermistor
inputs used in the Ux500 HREFP520 platform for reading
battery and board temperature.
Cc: Peter Rosin <peda@axentia.se>
Cc: Chris Lesiak <chris.lesiak@licor.com>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: linux-iio@vger.kernel.org
Link: https://lore.kernel.org/linux-iio/20201224011607.1059534-1-linus.walleij@linaro.org/
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Chris Lesiak <chris.lesiak@licor.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210308100219.2732156-2-linus.walleij@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Few drivers implement remove call-back only for ensuring a delayed
work gets cancelled prior driver removal. Clean-up these by switching
to use devm_delayed_work_autocancel() instead.
This change is compile-tested only. All testing is appreciated.
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Link: https://lore.kernel.org/r/4830f52d46278ea1c92ad7252f6050540346d8b7.1616506559.git.matti.vaittinen@fi.rohmeurope.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use acpi_evaluation_failure_warn() introduced previously instead of
the ACPICA-specific ACPI_EXCEPTION() macro to log warning messages
regarding ACPI object evaluation failures and use dev_err() instead
of ACPI_EXCEPTION() to log _PMC package parsing failures, which is
consistent with the other messages printed by the code in question.
Next, drop the ACPI_MODULE_NAME() definition only used by the ACPICA
message printing macro.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
- Sync dtc to upstream version v1.6.0-51-g183df9e9c2b9 and build
host fdtoverlay
- Add kbuild support to build DT overlays (%.dtbo)
- Drop NULLifying match table in of_match_device(). In preparation for
this, there are several driver cleanups to use
(of_)?device_get_match_data().
- Drop pointless wrappers from DT struct device API
- Convert USB binding schemas to use graph schema and remove old plain
text graph binding doc
- Convert spi-nor and v3d GPU bindings to DT schema
- Tree wide schema fixes for if/then schemas, array size constraints,
and undocumented compatible strings in examples
- Handle 'no-map' correctly for already reserved memblock regions
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Merge tag 'devicetree-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
- Sync dtc to upstream version v1.6.0-51-g183df9e9c2b9 and build host
fdtoverlay
- Add kbuild support to build DT overlays (%.dtbo)
- Drop NULLifying match table in of_match_device().
In preparation for this, there are several driver cleanups to use
(of_)?device_get_match_data().
- Drop pointless wrappers from DT struct device API
- Convert USB binding schemas to use graph schema and remove old plain
text graph binding doc
- Convert spi-nor and v3d GPU bindings to DT schema
- Tree wide schema fixes for if/then schemas, array size constraints,
and undocumented compatible strings in examples
- Handle 'no-map' correctly for already reserved memblock regions
* tag 'devicetree-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (35 commits)
driver core: platform: Drop of_device_node_put() wrapper
of: Remove of_dev_{get,put}()
dt-bindings: usb: Change descibe to describe in usbmisc-imx.txt
dt-bindings: can: rcar_canfd: Group tuples in pin control properties
dt-bindings: power: renesas,apmu: Group tuples in cpus properties
dt-bindings: mtd: spi-nor: Convert to DT schema format
dt-bindings: Use portable sort for version cmp
dt-bindings: ethernet-controller: fix fixed-link specification
dt-bindings: irqchip: Add node name to PRUSS INTC
dt-bindings: interconnect: Fix the expected number of cells
dt-bindings: Fix errors in 'if' schemas
dt-bindings: iommu: renesas,ipmmu-vmsa: Make 'power-domains' conditionally required
dt-bindings: Fix undocumented compatible strings in examples
kbuild: Add support to build overlays (%.dtbo)
scripts: dtc: Remove the unused fdtdump.c file
scripts: dtc: Build fdtoverlay tool
scripts/dtc: Update to upstream version v1.6.0-51-g183df9e9c2b9
scripts: dtc: Fetch fdtoverlay.c from external DTC project
dt-bindings: thermal: sun8i: Fix misplaced schema keyword in compatible strings
dt-bindings: iio: dac: Fix AD5686 references
...
thermal driver (Daniel Lezcano)
- Remove the notify ops as it is no longer used (Daniel Lezcano)
- Remove the 'forced passive' option and the unused bind/unbind
functions (Daniel Lezcano)
- Remove the THERMAL_TRIPS_NONE and the code cleanup around this
macro (Daniel Lezcano)
- Rework the delays to make them pre-computed instead of computing
them again and again at each polling interval (Daniel Lezcano)
- Remove the pointless 'thermal_zone_device_reset' function (Daniel
Lezcano)
- Use the critical and hot ops to prevent an unexpected system
shutdown on int340x (Kai-Heng Feng)
- Make the cooling device state private to the thermal subsystem
(Daniel Lezcano)
- Prevent to use not-power-aware actor devices with the power
allocator governor (Lukasz Luba)
- Remove 'zx' and 'tango' support along with the corresponding
platforms (Arnd Bergman)
- Fix several issues on the Omap thermal driver (Tony Lindgren)
- Add support for adc-tm5 PMIC thermal monitor for Qcom
platforms. Please note those changes rely on an immutable branch:
iio-thermal-5.11-rc1/ib-iio-thermal-5.11-rc1 from the iio tree
(Dmitry Baryshkov)
- Fix an initialization loop in the adc-tm5 (Colin Ian King)
- Fix a return error check in the cpufreq cooling device (Viresh Kumar)
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Merge tag 'thermal-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal updates from Daniel Lezcano:
- Use the newly introduced 'hot' and 'critical' ops for the acpi
thermal driver (Daniel Lezcano)
- Remove the notify ops as it is no longer used (Daniel Lezcano)
- Remove the 'forced passive' option and the unused bind/unbind
functions (Daniel Lezcano)
- Remove the THERMAL_TRIPS_NONE and the code cleanup around this macro
(Daniel Lezcano)
- Rework the delays to make them pre-computed instead of computing them
again and again at each polling interval (Daniel Lezcano)
- Remove the pointless 'thermal_zone_device_reset' function (Daniel
Lezcano)
- Use the critical and hot ops to prevent an unexpected system shutdown
on int340x (Kai-Heng Feng)
- Make the cooling device state private to the thermal subsystem
(Daniel Lezcano)
- Prevent to use not-power-aware actor devices with the power allocator
governor (Lukasz Luba)
- Remove 'zx' and 'tango' support along with the corresponding
platforms (Arnd Bergman)
- Fix several issues on the Omap thermal driver (Tony Lindgren)
- Add support for adc-tm5 PMIC thermal monitor for Qcom platforms
(Dmitry Baryshkov)
- Fix an initialization loop in the adc-tm5 (Colin Ian King)
- Fix a return error check in the cpufreq cooling device (Viresh Kumar)
* tag 'thermal-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (26 commits)
thermal: cpufreq_cooling: freq_qos_update_request() returns < 0 on error
thermal: qcom: Fix comparison with uninitialized variable channels_available
thermal: qcom: add support for adc-tm5 PMIC thermal monitor
dt-bindings: thermal: qcom: add adc-thermal monitor bindings
thermal: ti-soc-thermal: Use non-inverted define for omap4
thermal: ti-soc-thermal: Simplify polling with iopoll
thermal: ti-soc-thermal: Fix stuck sensor with continuous mode for 4430
thermal: ti-soc-thermal: Skip pointless register access for dra7
thermal/drivers/zx: Remove zx driver
thermal/drivers/tango: Remove tango driver
thermal: power allocator: fail binding for non-power actor devices
thermal/core: Make cooling device state change private
thermal: intel: pch: Fix unexpected shutdown at critical temperature
thermal: int340x: Fix unexpected shutdown at critical temperature
thermal/core: Remove pointless thermal_zone_device_reset() function
thermal/core: Remove ms based delay fields
thermal/core: Use precomputed jiffies for the polling
thermal/core: Precompute the delays from msecs to jiffies
thermal/core: Remove unused macro THERMAL_TRIPS_NONE
thermal/core: Remove THERMAL_TRIPS_NONE test
...
- New drivers
Texas Instruments TPS23861 driver
AHT10 Temperature and Humidity Sensor Driver
- Support for new chips/variants to existing drivers
Add AMD family 19h model 30h x86 match to amd_energy driver
Add Zen3 Ryzen Desktop CPUs support to k10temp driver
Add support for MAX16508 to max16601 driver
Support revision "B" of max31785
Add support for ASRock boards to nct6683 driver
- Driver removals
(abx500) Decomission abx500 driver
Various other minor fixes and improvements.
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Merge tag 'hwmon-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New drivers:
- Texas Instruments TPS23861 driver
- AHT10 Temperature and Humidity Sensor Driver
Support for new chips/variants to existing drivers:
- Add AMD family 19h model 30h x86 match to amd_energy driver
- Add Zen3 Ryzen Desktop CPUs support to k10temp driver
- Add support for MAX16508 to max16601 driver
- Support revision "B" of max31785
- Add support for ASRock boards to nct6683 driver
Driver removals:
- Decomission abx500 driver
Various other minor fixes and improvements"
* tag 'hwmon-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (30 commits)
MAINTAINERS: Add entry for Texas Instruments TPS23861 PoE PSE
hwmon: add Texas Instruments TPS23861 driver
dt-bindings: hwmon: Add TI TPS23861 bindings
hwmon: (da9052) Switch to using the new API kobj_to_dev()
hwmon: (amd_energy) Add AMD family 19h model 30h x86 match
hwmon: (pmbus/max31785) Support revision "B"
hwmon: (pmbus/lm25066) Remove unnecessary pmbus_clear_cache function call
hwmon: (pmbus) Clear sensor data after chip write
hwmon: (pmbus/max16601) Add support for MAX16508
hwmon: (pmbus/max16601) Determine and use number of populated phases
hwmon: (pmbus) Simplify the calculation of variables
hwmon: (aht10) Unlock on error in aht10_read_values()
hwmon: (pwm-fan) stop using legacy PWM functions and some cleanups
hwmon: Add AHT10 Temperature and Humidity Sensor Driver
hwmon: (applesmc) Assign boolean values to a bool variable
hwmon: (nct6683) Support ASRock boards
hwmon: (aspeed-pwm-tacho) Switch to using the new API kobj_to_dev()
hwmon: (max6650) Switch to using the new API kobj_to_dev()
hwmon: (pwm-fan) Support multiple fan tachometers
hwmon: (pwm-fan) Store tach data separately
...
Add basic monitoring support as well as port on/off control for Texas
Instruments TPS23861 PoE PSE IC.
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Cc: Luka Perkov <luka.perkov@sartura.hr>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210121134434.2782405-2-robert.marko@sartura.hr
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Switch to using the new API kobj_to_dev() to fix the below warnning:
/drivers/hwmon/da9052-hwmon.c:302:60-61: WARNING opportunity for
kobj_to_dev().
Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Link: https://lore.kernel.org/r/1612860208-51088-1-git-send-email-tiantao6@hisilicon.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add X86 CPU match for AMD family 19h model 30h. This is necessary to
enable support for energy reporting via the amd_energy module.
Signed-off-by: Naveen Krishna Chatradhi <nchatrad@amd.com>
Link: https://lore.kernel.org/r/20210211172054.246276-1-nchatrad@amd.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
There was an issue in how the tach feedbacks of dual rotor fans were
reported during any change in fan speeds with revision "A" of the
MAX31785. When the fan speeds would transition to a new target speed,
the rotor not wired to the TACH input when TACHSEL = 0 would report a
speed of 0 until the new target was reached. This has been fixed,
resulting in a revision "B" update where the MFR_REVISION of "B" is
0x3061.
Signed-off-by: Matthew Barth <msbarth@linux.ibm.com>
Link: https://lore.kernel.org/r/20210201212217.73721-1-msbarth@linux.ibm.com
[groeck: Change 'ret' variable type to int]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
MAX16508 is quite similar to MAX16601, except that it does not support
the DEFAULT_NUM_POP register and we thus can not dynamically determine
the number of populated phases.
Cc: Alex Qiu <xqiu@google.com>
Cc: Ugur Usug <Ugur.Usug@maximintegrated.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210125185327.93282-2-linux@roeck-us.net
Reviewed-by: Alex Qiu <xqiu@google.com>
Tested-by: Alex Qiu <xqiu@google.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The MAX16601 can report the number of populated phases. Use this
information to only create sysfs attributes for populated phases.
Cc: Alex Qiu <xqiu@google.com>
Cc: Ugur Usug <Ugur.Usug@maximintegrated.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210125185327.93282-1-linux@roeck-us.net
Reviewed-by: Alex Qiu <xqiu@google.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Use the more modern API to get the match data out of the of match table.
This saves some code, lines, and nicely avoids referencing the match
table when it is undefined with configurations where CONFIG_OF=n.
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Jean Delvare <jdelvare@suse.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: <linux-hwmon@vger.kernel.org>
[robh: rework to use device_get_match_data()]
Signed-off-by: Rob Herring <robh@kernel.org>
Fix the following coccicheck warnings:
./drivers/hwmon/pmbus/pmbus_core.c:1265:24-26: WARNING !A || A && B is
equivalent to !A || B.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Zhong <abaci-bugfix@linux.alibaba.com>
Link: https://lore.kernel.org/r/1611642100-29937-1-git-send-email-abaci-bugfix@linux.alibaba.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This error path needs to drop the lock before returning.
Fixes: afd018716398 ("hwmon: Add AHT10 Temperature and Humidity Sensor Driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YBD5Ro549hMJSnW4@mwanda
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
pwm_apply_state() does what the legacy functions pwm_config() and
pwm_{en,dis}able() do in a single function call. This simplifies error
handling and is more efficient for new-style PWM hardware drivers.
Instead of repeatedly querying the PWM framework about the initial PWM
configuration, cache the settings in driver data.
Also use __set_pwm() in .probe() to have the algorithm calculating the PWM
state in a single place.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20210112191314.124686-1-u.kleine-koenig@pengutronix.de
[groeck: Added missing empty line after declaration]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This patch adds a hwmon driver for the AHT10 Temperature and
Humidity sensor. It has a maximum sample rate, as the datasheet
states that the chip may heat up if it is sampled more than once
every two seconds.
Has been tested a to work on a raspberrypi0w
Signed-off-by: Johannes Cornelis Draaijer (datdenkikniet) <jcdra1@gmail.com>
Link: https://lore.kernel.org/r/20210107194014.GA88780@desktop
[groeck: dropped AHT10_ADDR (unused) and use AHT10_MEAS_SIZE where
appropriate; dropped change log]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
fixed the following coccicheck:
drivers/hwmon/aspeed-pwm-tacho.c:634:60-61: WARNING opportunity for
kobj_to_dev()
drivers/hwmon/aspeed-pwm-tacho.c:623:60-61: WARNING opportunity for
kobj_to_dev()
Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Acked-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/1609725945-13895-1-git-send-email-tiantao6@hisilicon.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Switch to using the new API kobj_to_dev() to fix the below warnning:
drivers/hwmon/max6650.c:324:60-61: WARNING opportunity for
kobj_to_dev().
Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Link: https://lore.kernel.org/r/1609376621-46463-1-git-send-email-tiantao6@hisilicon.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The pwm-fan driver is extended to support multiple fan tachometer
signals connected to GPIO inputs. This is intended to support the case
where a single PWM output signal is routed to multiple fans, each of
which have a tachometer output connected back to a GPIO pin.
The number of fan tachometer inputs is determined by the number of
interrupt sources configured for the pwm-fan device. The number of
pulses-per-revolution entries should match the number of interrupt
sources so that each input has a value assigned.
The fan tachometer measurements are exposed as sysfs files fan1_input,
fan2_input, etc up to the number of configured inputs.
Signed-off-by: Paul Barker <pbarker@konsulko.com>
Link: https://lore.kernel.org/r/20201212195008.6036-3-pbarker@konsulko.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The data for the (optional) fan tachometer input is moved to a separate
structure which is only allocated if an input is actually configured.
After this change the pulse IRQ handler takes a pointer to the
tachometer data structure instead of the whole device context.
Signed-off-by: Paul Barker <pbarker@konsulko.com>
Link: https://lore.kernel.org/r/20201212195008.6036-2-pbarker@konsulko.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Several power supplies supported by the IBM CFFPS driver don't
report valid data in the CAPABILITY register. This results in PEC
being enabled when it's not supported by the device, and since
the automatic version detection might fail, disable use of the
CAPABILITY register across the board for this driver.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20201222152640.27749-3-eajames@linux.ibm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Some PMBus chips don't respond with valid data when reading the
CAPABILITY register. Add a flag that device drivers can set so
that the PMBus core driver doesn't use CAPABILITY to determine it's
behavior.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20201222152640.27749-2-eajames@linux.ibm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The module has only support for Zen3 server CPUs right now.
Add support for Family 0x19, model 0x21 which are Zen3 Ryzen Desktop CPUs.
Tested on 5800x, 5900x and 5950x CPUs.
Signed-off-by: Gabriel Craciunescu <nix.or.die@gmail.com>
Link: https://lore.kernel.org/r/20201223005315.20077-1-nix.or.die@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This deletes the ABx500 hwmon driver, the only supported
variant being the AB8500.
This driver has been replaced by generic frameworks. By
inspecting the abx500 sysfs files we see that it contains
things such as temp1_max, temp1_max_alarm, temp1_max_hyst,
temp1_max_hyst_alarm, temp1_min, temp1_min_alarm.
It becomes obvious that the abx500.c is a reimplementation
of thermal zones. This is not very strange as the generic
thermal zones were not invented when this driver was merged
so people were rolling their own.
The ab8500.c driver contains conversion tables for handling
a thermistor on ADC channels AUX1 and AUX2.
I managed to replace the functionality of the driver with:
- Activation of the ntc_thermistor.c driver,
CONFIG_SENSORS_NTC_THERMISTOR
- Activation of thermal zones, CONFIG_THERMAL
- In the device tree, connecting the NTC driver to the
processed IIO channels from the AB8500 GPADC ADC forming
two instances of NTC sensors.
- Connecting the two NTC sensors to a "chassis" thermal zone
in the device tree and setting that to hit the CPU frequency
at 50 degrees celsius and do a critical shutdown at 70
degrees celsius, deploying a policy using the sensors.
After talking to the original authors we concluded that the
driver was never properly parameterized in production so
what we now have in the device tree is already puts the
thermistors to better use than what the hwmon driver did.
The two remaining channels for two battery temperatures is
already handled in the charging algorithms but can be
optionally extended to thermal zones as well if we want
these to trigger critical shutdown for the platform.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20201221125521.768082-1-linus.walleij@linaro.org
[groeck: Removed documentation and fixed up Makefile, Kconfig]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Switch to using the new API kobj_to_dev() to fix the below warnning:
drivers/hwmon/w83627ehf.c:1113:60-61: WARNING opportunity for
kobj_to_dev().
Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Link: https://lore.kernel.org/r/1607907735-17510-1-git-send-email-tiantao6@hisilicon.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
See Documentation/core-api/printk-formats.rst.
h should no longer be used in the format specifier for printk.
Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20201215183237.2071770-1-trix@redhat.com
[groeck: Updated subject]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The double negative makes it hard to read "if (!ACPI_FAILURE(status))".
Replace it with "if (ACPI_SUCCESS(status))".
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The change of the cooling device state should be used by the governor
or at least by the core code, not by the drivers themselves.
Remove the API usage and move the function declaration to the internal
headers.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Link: https://lore.kernel.org/r/20210118173824.9970-1-daniel.lezcano@linaro.org
hwmon, specifically hwmon_num_channel_attrs, expects the config
array in the hwmon_channel_info structure to be terminated by
a zero entry. amd_energy does not honor this convention. As
result, a KASAN warning is possible. Fix this by adding an
additional entry and setting it to zero.
Fixes: 8abee9566b ("hwmon: Add amd_energy driver to report energy counters")
Signed-off-by: David Arcari <darcari@redhat.com>
Cc: Naveen Krishna Chatradhi <nchatrad@amd.com>
Cc: Jean Delvare <jdelvare@suse.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: linux-kernel@vger.kernel.org
Cc: stable@vger.kernel.org
Signed-off-by: David Arcari <darcari@redhat.com>
Acked-by: Naveen Krishna Chatradhi <nchatrad@amd.com>
Link: https://lore.kernel.org/r/20210107144707.6927-1-darcari@redhat.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
With MAX_PWM being defined to 255 the code
unsigned long period;
...
period = ctx->pwm->args.period;
state.duty_cycle = DIV_ROUND_UP(pwm * (period - 1), MAX_PWM);
calculates a too small value for duty_cycle if the configured period is
big (either by discarding the 64 bit value ctx->pwm->args.period or by
overflowing the multiplication). As this results in a too slow fan and
so maybe an overheating machine better be safe than sorry and error out
in .probe.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20201215092031.152243-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Voltages and current are reported by Zen CPUs. However, the means
to do so is undocumented, changes from CPU to CPU, and the raw data
is not calibrated. Calibration information is available, but again
not documented. This results in less than perfect user experience,
up to concerns that loading the driver might possibly damage
the hardware (by reporting out-of range voltages). Effectively
support for reporting voltages and current is not maintainable.
Drop it.
Cc: Artem S. Tashkinov <aros@gmx.com>
Cc: Wei Huang <wei.huang2@amd.com>
Tested-by: Wei Huang <wei.huang2@amd.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
