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Disable/re-enable access through SMBus for chip registers when they are
are being read or written.
For simple cases this is done at the same time as when a mutex is set,
however, within loops or during initialisation it is done separately.
Signed-off-by: Frank Crawford <frank@crawford.emu.id.au>
[groeck: Fixed multi-line alignment]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Handle errors from it87_update_device(), which currently only occurs if
SMBus access locking fails.
Signed-off-by: Frank Crawford <frank@crawford.emu.id.au>
[groeck: Fixed handling in show_temp_type()]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add functions to disable and re-enable access by the SMBus for specific
chips.
Signed-off-by: Frank Crawford <frank@crawford.emu.id.au>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Switch the driver to use the default debugfs attributes instead of
ones that provide the same data under different names. Use the lock
functions for the debugfs and led attributes, and simplify the input
history operation by dropping the timer and lock.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20230412161526.252294-3-eajames@linux.ibm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Debugfs operations may set the page number, which must be done
atomically with the subsequent i2c operation. Lock the update_lock
in the debugfs functions and provide a function for pmbus drivers
to lock and unlock the update_lock.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20230412161526.252294-2-eajames@linux.ibm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
0-day rightfully complains:
drivers/hwmon/pmbus/pmbus_core.c:3164:7-32: WARNING:
Threaded IRQ with no primary handler requested without IRQF_ONESHOT
(unless it is nested IRQ)
Without IRQF_ONESHOT, the primary interrupt may end up in a loop,
and the threaded interrupt handler may never execute. Request interrupt
with IRQF_ONESHOT and assume that the interrupt will cleared and re-enabled
by clearing the fault condition in the threaded interrupt handler.
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/linux-hwmon/6436efbb.08+e+yEDqvRxvHDP%25lkp@intel.com/T/#u
Cc: Patrick Rudolph <patrick.rudolph@9elements.com>
Cc: Naresh Solanki <Naresh.Solanki@9elements.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
TI ina2xx sensors according to datasheets have dedicated
vs supplies. Add it for proper work.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Link: https://lore.kernel.org/r/20230407160508.20479-3-clamor95@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add regulator events corresponding to regulator error in regulator flag
map.
Also capture the same in pmbus_regulator_get_flags.
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com>
Link: https://lore.kernel.org/r/20230328150335.90238-2-Naresh.Solanki@9elements.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add driver for the StarFive JH71x0 temperature sensor. You
can enable/disable it and read temperature in milli Celcius
through sysfs.
Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Co-developed-by: Samin Guo <samin.guo@starfivetech.com>
Signed-off-by: Samin Guo <samin.guo@starfivetech.com>
Signed-off-by: Hal Feng <hal.feng@starfivetech.com>
Link: https://lore.kernel.org/r/20230321022644.107027-3-hal.feng@starfivetech.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add bindings for the temperature sensor on the StarFive JH7100 and
JH7110 SoCs.
Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Signed-off-by: Hal Feng <hal.feng@starfivetech.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230321022644.107027-2-hal.feng@starfivetech.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The refinement of tjmax value retrieved from MSR_IA32_TEMPERATURE_TARGET
has been changed for several times.
Now, the raw value from MSR is used without refinement. Thus remove the
obsolete comment.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Link: https://lore.kernel.org/r/20230330103346.6044-2-rui.zhang@intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
After commit c0c67f8761ce ("hwmon: (coretemp) Add support for dynamic
tjmax"), tjmax value is retrieved from MSR every time the temperature is
read.
This means that, with debug message enabled, the tjmax debug message is
printed out for every single temperature read for any CPU. This spams
the syslog.
Ideally, as tjmax is package scope unique, the debug message should show
once when tjmax is changed for one package. But this requires inventing
some new per-package data in the coretemp driver, and this is overkill.
To keep the code simple, delete the tjmax debug message.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Link: https://lore.kernel.org/r/20230330103346.6044-1-rui.zhang@intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
