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The ISL12022 RTC has a combined INT/fOUT pin, which can be used for alarm
interrupt when frequency output is not enabled.
The device-tree bindings should ensure that interrupt and clock output is
not enabled at the same time.
Signed-off-by: Esben Haabendal <esben@geanix.com>
Link: https://lore.kernel.org/r/20240913-rtc-isl12022-alarm-irq-v2-2-37309d939723@geanix.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Add a struct to hold the regmap pointer, so more information can be added.
This is morally a revert of commit f525b210e9d4 ("rtc: isl12022: Get rid of
unneeded private struct isl12022").
Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Esben Haabendal <esben@geanix.com>
Link: https://lore.kernel.org/r/20240913-rtc-isl12022-alarm-irq-v2-1-37309d939723@geanix.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Currently FFI integer types are defined in libcore. This commit creates
the `ffi` crate and asks bindgen to use that crate for FFI integer types
instead of `core::ffi`.
This commit is preparatory and no type changes are made in this commit
yet.
Signed-off-by: Gary Guo <gary@garyguo.net>
Link: https://lore.kernel.org/r/20240913213041.395655-4-gary@garyguo.net
[ Added `rustdoc`, `rusttest` and KUnit tests support. Rebased on top of
`rust-next` (e.g. migrated more `core::ffi` cases). Reworded crate
docs slightly and formatted. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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Currently bindgen has special logic to recognise `size_t` and `ssize_t`
and map them to Rust `usize` and `isize`. Similarly, `ptrdiff_t` is
mapped to `isize`.
However this falls short for `__kernel_size_t`, `__kernel_ssize_t` and
`__kernel_ptrdiff_t`. To ensure that they are mapped to usize/isize
rather than 32/64 integers depending on platform, blocklist them in
bindgen parameters and manually provide their definition.
Signed-off-by: Gary Guo <gary@garyguo.net>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Trevor Gross <tmgross@umich.edu>
Link: https://lore.kernel.org/r/20240913213041.395655-3-gary@garyguo.net
[ Formatted comment. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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When CONFIG_FEC is set (due to COMPILE_TEST) along with
CONFIG_M54xx, coldfire/device.c has compile errors due to
missing MCFEC_* and MCF_IRQ_FEC_* symbols.
Make the whole FEC blocks dependent on having the HW macros
defined, rather than on CONFIG_FEC itself.
This fix is very similar to commit e6e1e7b19fa1 ("m68k: coldfire/device.c: only build for MCF_EDMA when h/w macros are defined")
Fixes: b7ce7f0d0efc ("m68knommu: merge common ColdFire FEC platform setup code")
To: Greg Ungerer <gerg@linux-m68k.org>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: linux-m68k@lists.linux-m68k.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Antonio Quartulli <antonio@mandelbit.com>
Signed-off-by: Greg Ungerer <gerg@kernel.org>
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Fix a typo in the CONFIG_M5441x preprocessor condition, where the GPIO
register offset was incorrectly set to 8 instead of 0. This prevented
proper GPIO configuration for m5441x targets.
Fixes: bea8bcb12da0 ("m68knommu: Add support for the Coldfire m5441x.")
Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@yoseli.org>
Signed-off-by: Greg Ungerer <gerg@kernel.org>
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Without `-fno-builtin`, for functions like memcpy/memmove (and many
others), bindgen seems to be using the clang-provided prototype. This
prototype is ABI-wise compatible, but the issue is that it does not have
the same information as the source code w.r.t. typedefs.
For example, bindgen generates the following:
extern "C" {
pub fn strlen(s: *const core::ffi::c_char) -> core::ffi::c_ulong;
}
note that the return type is `c_ulong` (i.e. unsigned long), despite the
size_t-is-usize behavior (this is default, and we have not opted out
from it using --no-size_t-is-usize).
Similarly, memchr's size argument should be of type `__kernel_size_t`,
but bindgen generates `c_ulong` directly.
We want to ensure any `size_t` is translated to Rust `usize` so that we
can avoid having them be different type on 32-bit and 64-bit
architectures, and hence would require a lot of excessive type casts
when calling FFI functions.
I found that this bindgen behavior (which probably is caused by
libclang) can be disabled by `-fno-builtin`. Using the flag for compiled
code can result in less optimisation because compiler cannot assume
about their properties anymore, but this should not affect bindgen.
[ Trevor asked: "I wonder how reliable this behavior is. Maybe bindgen
could do a better job controlling this, is there an open issue?".
Gary replied: ..."apparently this is indeed the suggested approach in
https://github.com/rust-lang/rust-bindgen/issues/1770". - Miguel ]
Signed-off-by: Gary Guo <gary@garyguo.net>
Link: https://lore.kernel.org/r/20240913213041.395655-2-gary@garyguo.net
[ Formatted comment. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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PMBUS_NO_WRITE_PROTECT and PMBUS_USE_COEFFICIENTS_CMD flags have been added
to pmbus, but the corresponding documentation was not updated.
Update the documentation before adding new flags
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Message-ID: <20241105-tps25990-v4-1-0e312ac70b62@baylibre.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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SY24655: Support for current and voltage detection as well as
power calculation.
Signed-off-by: Wenliang Yan <wenliang202407@163.com>
Message-ID: <20241106150547.2538-1-wenliang202407@163.com>
[groeck: Changed order of compatible entries;
dropped spurious extra return statement in is_visible();
fixed code problems]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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SY24655 is similar to INA226. Its supply voltage and pin definitions
are therefore the same. Compared to INA226, SY24655 has two additional
registers for configuring and calculating average power.
Signed-off-by: Wenliang Yan <wenliang202407@163.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Message-ID: <20241106150547.2538-2-wenliang202407@163.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for LTC7841. The LTC7841 is a high performance
PolyPhase® single output synchronous boost converter controller.
Multiphase operation reduces input and output capacitor
requirements and allows the use of smaller inductors than the
single-phase equivalent.
The relevant registers in the LTC7841 are similar to the
LTC7880, only reduced by some amount. So it's just a matter of adding
the chip id. The device also doesn't support polling, on top of the
reduced register set, so a separate case for setting the chip info is
added.
Signed-off-by: Mariel Tinaco <Mariel.Tinaco@analog.com>
Message-ID: <20241029013734.293024-4-Mariel.Tinaco@analog.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add LTC7841 to compatible devices of LTC2978
Signed-off-by: Mariel Tinaco <Mariel.Tinaco@analog.com>
Message-ID: <20241029013734.293024-3-Mariel.Tinaco@analog.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add LTC7841 to supported devices of LTC2978. It has similar set of
registers to LTC7880, differing only in number of output channels and
some unimplemented PMBUS status and functionalities.
Signed-off-by: Mariel Tinaco <Mariel.Tinaco@analog.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Message-ID: <20241029013734.293024-2-Mariel.Tinaco@analog.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The NCT7363Y is a fan controller which provides up to 16
independent FAN input monitors. It can report each FAN input count
values. The NCT7363Y also provides up to 16 independent PWM
outputs. Each PWM can output specific PWM signal by manual mode to
control the FAN duty outside.
Signed-off-by: Ban Feng <kcfeng0@nuvoton.com>
Message-ID: <20241022052905.4062682-3-kcfeng0@nuvoton.com>
[groeck: Dropped unnecessary variable initialization, and , after { }]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add bindings for the Nuvoton NCT7363Y Fan Controller
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Ban Feng <kcfeng0@nuvoton.com>
Message-ID: <20241022052905.4062682-2-kcfeng0@nuvoton.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Remove vicor,pli1209bc from trivial-devices as it requires additional
properties and does not fit into the trivial devices category.
Add new bindings for Vicor pli1209bc, a Digital Supervisor with
Isolation for use with BCM Bus Converter Modules.
VR rails are defined under regulator node as expected by pmbus driver.
Signed-off-by: Naresh Solanki <naresh.solanki@9elements.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Message-ID: <20241021123044.3648960-1-naresh.solanki@9elements.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Remove mps297x from trivial-devices as it requires
additional properties and does not fit into the trivial
devices category.
Add new bindings for MPS mp2971, mp2973 & mp2975.
It is Dual-Loop, Digital Multi-Phase Controller with PMBUS
interface
Signed-off-by: Naresh Solanki <naresh.solanki@9elements.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Message-ID: <20241022103750.572677-1-naresh.solanki@9elements.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Per his request, remove Aleksandr Mezin as maintainer of the
NZXT-SMART2 hardware monitoring driver.
Cc: Aleksandr Mezin <mezin.alexander@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Boards such as
* Pro WS 665-ACE
* Pro WS 600M-CL
have got a nct6775 chip, but by default there's no use of it
because of resource conflict with WMI method.
Add affected boards to the WMI monitoring list.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=204807
Co-developed-by: Tommy Giesler <tommy.giesler@hetzner.com>
Signed-off-by: Tommy Giesler <tommy.giesler@hetzner.com>
Signed-off-by: Sarah Maedel <sarah.maedel@hetzner-cloud.de>
Message-ID: <20241018074611.358619-1-sarah.maedel@hetzner-cloud.de>
[groeck: Change commit message to imperative mood]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Driver for Renesas ISL28022 power monitor with I2C interface.
The device monitors voltage, current via shunt resistor
and calculated power.
Signed-off-by: Carsten Spieß <mail@carsten-spiess.de>
Signed-off-by: Yikai Tsai <yikai.tsai.wiwynn@gmail.com>
Message-ID: <20241002081133.13123-3-yikai.tsai.wiwynn@gmail.com>
[groeck: Fixed alignment issues, dropped noise at end of probe]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add dt-bindings for Renesas ISL28022 power monitor.
Signed-off-by: Carsten Spieß <mail@carsten-spiess.de>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Yikai Tsai <yikai.tsai.wiwynn@gmail.com>
Message-ID: <20241002081133.13123-2-yikai.tsai.wiwynn@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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After commit 0edb555a65d1 ("platform: Make platform_driver::remove()
return void") .remove() is (again) the right callback to implement for
platform drivers.
Convert all platform drivers below drivers/hwmonto use .remove(), with
the eventual goal to drop struct platform_driver::remove_new(). As
.remove() and .remove_new() have the same prototypes, conversion is done
by just changing the structure member name in the driver initializer.
While touching these files, make indention of the struct initializer
consistent in several files.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Message-ID: <20241017155900.137357-2-u.kleine-koenig@baylibre.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for manipulating the internal heater of sht4x devices.
Enabling the heater removes condensed water from the sensor surface
which disturbs the relative humidity measurements.
The heater can operate at three heating levels (20, 110 or 200
milliwatts). Also, two heating durations may be selected (0.1 or 1s).
Once the heating time elapses the heater is automatically switched off.
Changes since v3:
* struct sht4x_data: add heating_complete timestamp
* struct sht4x_data: add data_pending flag
* heater_enable_store: return -EINVAL if input != 1
* heater_enable_store: check for data->heating_complete and update it
* heater_enable_store: set data_pending flag after heating request
* sht4x_read_values: msleep if heating in progress
* sht4x_read_values: dont send measurement request if data_pending
* heater_enable attr: make it RW
* Documentation: update info about heater_enable attr
Changes since v2:
* heater_enable_store: remove unnecessary if
* Documentation: remove incorrect info about turning off the heater
* be more specific in the patch description
Changes since v1:
* explain the use case of the new attributes set
* heater_enable attr: make it write-only
* heater_enable_store: define cmd as u8 instead of u8*
* heater_enable_store: remove unreachable data path
* heater_enable_store: remove unnecessary lock
* heater_enable_store: call i2c_master_send only if status==true
* define attributes as DEVICE_ATTR_* instead of SENSOR_DEVICE_ATTR_*
Signed-off-by: Antoni Pokusinski <apokusinski01@gmail.com>
Message-ID: <20240930205346.2147-1-apokusinski01@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Use new member visible of struct hwmon_ops to simplify specifying
the static attribute visibility.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Message-ID: <1ac2be2d-df4f-455a-900d-821fc7bd12c4@gmail.com>
Acked-by: Jonas Malaco <jonas@protocubo.io>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Use new member visible of struct hwmon_ops to simplify specifying
the static attribute visibility.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Message-ID: <8ef99170-b37d-4c9a-b3bf-59f4ea76cf29@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Use new member visible of struct hwmon_ops to simplify specifying
the static attribute visibility.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Message-ID: <4e8893a1-b080-4676-97b9-a48ac9ead28a@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Use new member visible of struct hwmon_ops to simplify specifying
the static attribute visibility.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Thomas Weißschuh <linux@weissschuh.net>
Message-ID: <c4b4568b-59f6-43ac-8281-536a82ecd6ab@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Use new member visible of struct hwmon_ops to simplify specifying
the static attribute visibility.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Message-ID: <bd909a2c-23ee-437d-9bd4-858119f6f266@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Use new member visible of struct hwmon_ops to simplify specifying
the static attribute visibility.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Message-ID: <5c26d8cf-d6dc-46c5-be7c-fd8207b3f177@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Use new member visible of struct hwmon_ops to simplify specifying
the static attribute visibility.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Message-ID: <d5d2570c-dfd9-4be5-ad9f-e721be477131@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Use new member visible of struct hwmon_ops to simplify specifying
the static attribute visibility.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Message-ID: <2b1f2778-1127-4979-b02d-f75e16497ad7@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Remove platform data & initialize with defaults
configuration & overwrite based on DT properties.
Signed-off-by: Naresh Solanki <naresh.solanki@9elements.com>
Message-ID: <20241007090426.811736-1-naresh.solanki@9elements.com>
[groeck: Dropped some unnecessary empty lines]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Several drivers return the same static value in their is_visible
callback, what results in code duplication. Therefore add an option
for drivers to specify a static visibility directly.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Message-ID: <89690b81-2c73-47ae-9ae9-45c77b45ca0c@gmail.com>
groeck: Renamed hwmon_ops_is_visible -> hwmon_is_visible
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Below mentioned spelling errors reported by codesepll
were fixed:
respresents ==> represents
signifcant ==> significant
bandwitdh ==> bandwidth
Signed-off-by: Everest K.C. <everestkc@everestkc.com.np>
Message-ID: <20241001011521.80982-1-everestkc@everestkc.com.np>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Theobroma Systems Mule is an MCU that emulates a set of I2C devices,
among which is an amc6821 and other devices that are reachable through
an I2C-mux.
The devices on the mux can be selected by writing the appropriate device
number to an I2C config register (amc6821: reg 0xff)
Implement "tsd,mule" compatible to instantiate the I2C-mux platform device
when probing the amc6821.
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Farouk Bouabid <farouk.bouabid@cherry.de>
Message-ID: <20240906-dev-mule-i2c-mux-v8-4-dbd28a150e41@cherry.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add dt-bindings for amc6821 intelligent temperature monitor and
pulse-width modulation (PWM) fan controller.
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Farouk Bouabid <farouk.bouabid@cherry.de>
Message-ID: <20240906-dev-mule-i2c-mux-v8-3-dbd28a150e41@cherry.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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To ensure code clarity and prevent potential errors, use ';' instead of
',' as a statement separator in the function mpq8785_identify.
Signed-off-by: Shen Lichuan <shenlichuan@vivo.com>
Message-ID: <20240919064939.3282-1-shenlichuan@vivo.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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INA260 is similar to other chips of the series, except it has an internal
shunt resistor. The calibration register is therefore not present. Also,
the current register address was changed, though that does not matter for
the driver since the shunt voltage register (which is now the current
register) value is already used to read the current.
Cc: Loic Guegan <loic.guegan@mailbox.org>
Reviewed-by: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add configuration flag indicating if the chip supports alerts and limits
to prepare for adding INA260 support.
Reviewed-by: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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These drivers don't use the driver_data member of struct i2c_device_id,
so don't explicitly initialize this member.
This prepares putting driver_data in an anonymous union which requires
either no initialization or named designators. But it's also a nice
cleanup on its own.
While touching these structs, also remove commas after the sentinel
entries and use a consistent indention style.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Message-ID: <20240918123150.1540161-7-u.kleine-koenig@baylibre.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"A handful of Qualcomm clk driver fixes:
- Correct flags for X Elite USB MP GDSC and pcie pipediv2 clocks
- Fix alpha PLL post_div mask for the cases where width is not
specified
- Avoid hangs in the SM8350 video driver (venus) by setting HW_CTRL
trigger feature on the video clocks"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: qcom: gcc-x1e80100: Fix USB MP SS1 PHY GDSC pwrsts flags
clk: qcom: gcc-x1e80100: Fix halt_check for pipediv2 clocks
clk: qcom: clk-alpha-pll: Fix pll post div mask when width is not set
clk: qcom: videocc-sm8350: use HW_CTRL_TRIGGER for vcodec GDSCs
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"i2c-host fixes for v6.12-rc7 (from Andi):
- Fix designware incorrect behavior when concluding a transmission
- Fix Mule multiplexer error value evaluation"
* tag 'i2c-for-6.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: designware: do not hold SCL low when I2C_DYNAMIC_TAR_UPDATE is not set
i2c: muxes: Fix return value check in mule_i2c_mux_probe()
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If the caller supplies an iocb->ki_pos value that is close to the
filesystem upper limit, and an iterator with a count that causes us to
overflow that limit, then filemap_read() enters an infinite loop.
This behaviour was discovered when testing xfstests generic/525 with the
"localio" optimisation for loopback NFS mounts.
Reported-by: Mike Snitzer <snitzer@kernel.org>
Fixes: c2a9737f45e2 ("vfs,mm: fix a dead loop in truncate_inode_pages_range()")
Tested-by: Mike Snitzer <snitzer@kernel.org>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The is_leap_year() for determining leap year is provided in rtc lib.
This uses is_leap_year() instead of its own leap year determination
routine.
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Acked-by: Maciej W. Rozycki <macro@orcam.me.uk>
Link: https://lore.kernel.org/r/20241007233618.1442937-1-nobuhiro1.iwamatsu@toshiba.co.jp
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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If request_irq() fails in st_rtc_probe(), there is no need to enable
the irq, and if it succeeds, disable_irq() after request_irq() still has
a time gap in which interrupts can come.
request_irq() with IRQF_NO_AUTOEN flag will disable IRQ auto-enable when
request IRQ.
Fixes: b5b2bdfc2893 ("rtc: st: Add new driver for ST's LPC RTC")
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Link: https://lore.kernel.org/r/20240912033727.3013951-1-ruanjinjie@huawei.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Fix a style error.
Signed-off-by: Tóth János <gomba007@gmail.com>
Link: https://lore.kernel.org/r/20240930-rtc-makefile-spaces-v1-1-e936e0a7b02a@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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After commit 0edb555a65d1 ("platform: Make platform_driver::remove()
return void") .remove() is (again) the right callback to implement for
platform drivers.
Convert all platform drivers below drivers/rtc to use .remove(), with
the eventual goal to drop struct platform_driver::remove_new(). As
.remove() and .remove_new() have the same prototypes, conversion is done
by just changing the structure member name in the driver initializer.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/r/20241007205803.444994-6-u.kleine-koenig@baylibre.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Add support for creating global variables that are wrapped in a mutex or
spinlock.
The implementation here is intended to replace the global mutex
workaround found in the Rust Binder RFC [1]. In both cases, the global
lock must be initialized before first use. The macro is unsafe to use
for the same reason.
The separate initialization step is required because it is tricky to
access the value of __ARCH_SPIN_LOCK_UNLOCKED from Rust. Doing so will
require changes to the C side. That change will happen as a follow-up to
this patch.
Link: https://lore.kernel.org/rust-for-linux/20231101-rust-binder-v1-2-08ba9197f637@google.com/#Z31drivers:android:context.rs [1]
Signed-off-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Boqun Feng <boqun.feng@gmail.com>
Link: https://lore.kernel.org/r/20241023-static-mutex-v6-1-d7efdadcc84f@google.com
[ Simplified a few intra-doc links. Formatted a few comments. Reworded
title. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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Lewis hasn't worked at Microchip for a while, and IIRC never actually
worked on the RTC in the first place. Remove him from the maintainers
list in the binding, leaving Daire.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20241015-surcharge-caucasian-095d1fd2fa27@wendy
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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