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As the credentials used by backing-file are long lived in relation to
the critical section (override_creds() -> revert_creds()) we can
replace them by their lighter alternatives.
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
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Add a light version of override/revert_creds(), this should only be
used when the credentials in question will outlive the critical
section and the critical section doesn't change the ->usage of the
credentials.
Suggested-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
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- Pass iocb to ctx->end_write() instead of file + pos
- Get rid of ctx->user_file, which is redundant most of the time
- Instead pass iocb to backing_file_splice_read and
backing_file_splice_write
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
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dentry_open in ovl_security_fileattr fails for any file
larger than 2GB if open method of the underlying filesystem
calls generic_file_open (e.g. fusefs).
The issue can be reproduce using the following script:
(passthrough_ll is an example app from libfuse).
$ D=/opt/test/mnt
$ mkdir -p ${D}/{source,base,top/uppr,top/work,ovlfs}
$ dd if=/dev/zero of=${D}/source/zero.bin bs=1G count=2
$ passthrough_ll -o source=${D}/source ${D}/base
$ mount -t overlay overlay \
-olowerdir=${D}/base,upperdir=${D}/top/uppr,workdir=${D}/top/work \
${D}/ovlfs
$ chmod 0777 ${D}/mnt/ovlfs/zero.bin
Running this script results in "Value too large for defined data type"
error message from chmod.
Signed-off-by: Oleksandr Tymoshenko <ovt@google.com>
Fixes: 72db82115d2b ("ovl: copy up sync/noatime fileattr flags")
Cc: stable@vger.kernel.org # v5.15+
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
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Backmerging to get fixes from v6.12-rc7.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
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When the proportion of folios from the zeromap is small, missing their
accounting may not significantly impact profiling. However, it's easy to
construct a scenario where this becomes an issue—for example, allocating
1 GB of memory, writing zeros from userspace, followed by MADV_PAGEOUT,
and then swapping it back in. In this case, the swap-out and swap-in
counts seem to vanish into a black hole, potentially causing semantic
ambiguity.
On the other hand, Usama reported that zero-filled pages can exceed 10% in
workloads utilizing zswap, while Hailong noted that some app in Android
have more than 6% zero-filled pages. Before commit 0ca0c24e3211 ("mm:
store zero pages to be swapped out in a bitmap"), both zswap and zRAM
implemented similar optimizations, leading to these optimized-out pages
being counted in either zswap or zRAM counters (with pswpin/pswpout also
increasing for zRAM). With zeromap functioning prior to both zswap and
zRAM, userspace will no longer detect these swap-out and swap-in actions.
We have three ways to address this:
1. Introduce a dedicated counter specifically for the zeromap.
2. Use pswpin/pswpout accounting, treating the zero map as a standard
backend. This approach aligns with zRAM's current handling of
same-page fills at the device level. However, it would mean losing the
optimized-out page counters previously available in zRAM and would not
align with systems using zswap. Additionally, as noted by Nhat Pham,
pswpin/pswpout counters apply only to I/O done directly to the backend
device.
3. Count zeromap pages under zswap, aligning with system behavior when
zswap is enabled. However, this would not be consistent with zRAM, nor
would it align with systems lacking both zswap and zRAM.
Given the complications with options 2 and 3, this patch selects
option 1.
We can find these counters from /proc/vmstat (counters for the whole
system) and memcg's memory.stat (counters for the interested memcg).
For example:
$ grep -E 'swpin_zero|swpout_zero' /proc/vmstat
swpin_zero 1648
swpout_zero 33536
$ grep -E 'swpin_zero|swpout_zero' /sys/fs/cgroup/system.slice/memory.stat
swpin_zero 3905
swpout_zero 3985
This patch does not address any specific zeromap bug, but the missing
swpout and swpin counts for zero-filled pages can be highly confusing and
may mislead user-space agents that rely on changes in these counters as
indicators. Therefore, we add a Fixes tag to encourage the inclusion of
this counter in any kernel versions with zeromap.
Many thanks to Kanchana for the contribution of changing
count_objcg_event() to count_objcg_events() to support large folios[1],
which has now been incorporated into this patch.
[1] https://lkml.kernel.org/r/20241001053222.6944-5-kanchana.p.sridhar@intel.com
Link: https://lkml.kernel.org/r/20241107011246.59137-1-21cnbao@gmail.com
Fixes: 0ca0c24e3211 ("mm: store zero pages to be swapped out in a bitmap")
Co-developed-by: Kanchana P Sridhar <kanchana.p.sridhar@intel.com>
Signed-off-by: Barry Song <v-songbaohua@oppo.com>
Reviewed-by: Nhat Pham <nphamcs@gmail.com>
Reviewed-by: Chengming Zhou <chengming.zhou@linux.dev>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Usama Arif <usamaarif642@gmail.com>
Cc: Yosry Ahmed <yosryahmed@google.com>
Cc: Hailong Liu <hailong.liu@oppo.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Chris Li <chrisl@kernel.org>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Kairui Song <kasong@tencent.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Let's add cpufreq nvmem based for allwinner a100 soc. It's similar to h6,
let us use efuse_xlate to extract the differentiated part.
Signed-off-by: Shuosheng Huang <huangshuosheng@allwinnertech.com>
[masterr3c0rd@epochal.quest: add A100 to opp_match_list]
Signed-off-by: Cody Eksal <masterr3c0rd@epochal.quest>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Tested-by: Andre Przywara <andre.przywara@arm.com>
Tested-by: Parthiban Nallathambi <parthiban@linumiz.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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We can't assume that btrees only contain keys of a given type - even if
they only have a single key type listed in the allowed key types for
that btree; this is a forwards compatibility issue.
Reported-by: syzbot+a27c3aaa3640dd3e1dfb@syzkaller.appspotmail.com
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Fixes: baefd3f849ed ("bcachefs: btree_cache.freeable list fixes")
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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mtk_cpufreq_get_cpu_power() return 0 if the policy is NULL. Then in
em_create_perf_table(), the later zero check for power is not invalid
as power is uninitialized. As Lukasz suggested, it must return -EINVAL when
the 'policy' is not found. So return -EINVAL to fix it.
Cc: stable@vger.kernel.org
Fixes: 4855e26bcf4d ("cpufreq: mediatek-hw: Add support for CPUFREQ HW")
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Suggested-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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cppc_get_cpu_power() return 0 if the policy is NULL. Then in
em_create_perf_table(), the later zero check for power is not valid
as power is uninitialized. As Quentin pointed out, kernel energy model
core check the return value of active_power() first, so if the callback
failed it should tell the core. So return -EINVAL to fix it.
Fixes: a78e72075642 ("cpufreq: CPPC: Fix possible null-ptr-deref for cpufreq_cpu_get_raw()")
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Suggested-by: Quentin Perret <qperret@google.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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cppc_get_cpu_cost() return 0 if the policy is NULL. Then in
em_compute_costs(), the later zero check for cost is not valid
as cost is uninitialized. As Quentin pointed out, kernel energy model
core check the return value of get_cost() first, so if the callback
failed it should tell the core. Return -EINVAL to fix it.
Fixes: 1a1374bb8c59 ("cpufreq: CPPC: Fix possible null-ptr-deref for cppc_get_cpu_cost()")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/all/c4765377-7830-44c2-84fa-706b6e304e10@stanley.mountain/
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Suggested-by: Quentin Perret <qperret@google.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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Even if it's not critical, the avoidance of checking the error code
from devm_mutex_init() call today diminishes the point of using devm
variant of it. Tomorrow it may even leak something. Add the missed
check.
Fixes: ccf51454145b ("cpufreq: Add Loongson-3 CPUFreq driver support")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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Include free_cpufreq_table in the cleanup path when boost enablement fails.
cc: stable@vger.kernel.org
Fixes: a8e949d41c72 ("cpufreq: scmi: Enable boost support")
Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
drm-misc-next for v6.13:
UAPI Changes:
- Add 1X7X5 media-bus formats.
Cross-subsystem Changes:
- Maintainer updates for VKMS and IT6263.
- Add media-bus-fmt for MEDIA_BUS_FMT_RGB101010_1X7X5_*.
- Add IT6263 DT bindings and driver.
Core Changes:
- Add ABGR210101010 support to panic handler.
- Use ATOMIC64_INIT in drm_file.c
- Improve scheduler teardown documentation.
Driver Changes:
- Make mediatek compile on ARM again.
- Add missing drm/drm_bridge.h header include, already in drm-next.
- Small fixes and cleanups to vkms, bridge/it6505, panfrost, panthor.
- Add panic support to nouveau for nv50+.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/344afe41-d27b-408a-8542-bfecfd3555f6@linux.intel.com
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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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