| Commit message (Collapse) | Author | Age | Files | Lines |
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply fixes from Sebastian Reichel:
"rt5033:
- fix driver regression causing kernel oops
axp288-charger:
- fix charge voltage setup
qcom-battmgr:
- fix thermal zone spamming errors
- fix init on Qualcomm X Elite"
* tag 'for-v6.11-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
power: supply: qcom_battmgr: Ignore extra __le32 in info payload
power: supply: qcom_battmgr: return EAGAIN when firmware service is not up
power: supply: axp288_charger: Round constant_charge_voltage writes down
power: supply: axp288_charger: Fix constant_charge_voltage writes
power: supply: rt5033: Bring back i2c_set_clientdata
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Some newer ADSP firmware versions on X1E80100 report an extra __le32 at the
end of the battery information request payload, causing qcom_battmgr to
fail to initialize. Adjust the check to ignore the extra field in the info
payload so we can support both old and newer firmware versions.
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Stephan Gerhold <stephan.gerhold@linaro.org>
Tested-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240712-x1e80100-battmgr-v1-1-a253d767f493@linaro.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The driver returns -ENODEV when the firmware battmrg service hasn't
started yet, while per-se -ENODEV is fine, we usually use -EAGAIN to
tell the user to retry again later. And the power supply core uses
-EGAIN when the device isn't initialized, let's use the same return.
This notably causes an infinite spam of:
thermal thermal_zoneXX: failed to read out thermal zone (-19)
because the thermal core doesn't understand -ENODEV, but only
considers -EAGAIN as a non-fatal error.
While it didn't appear until now, commit [1] fixes thermal core
and no more ignores thermal zones returning an error at first
temperature update.
[1] 5725f40698b9 ("thermal: core: Call monitor_thermal_zone() if zone temperature is invalid")
Link: https://lore.kernel.org/all/2ed4c630-204a-4f80-a37f-f2ca838eb455@linaro.org/
Cc: stable@vger.kernel.org
Fixes: 29e8142b5623 ("power: supply: Introduce Qualcomm PMIC GLINK power supply")
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Tested-by: Stephan Gerhold <stephan.gerhold@linaro.org>
Reviewed-by: Stephan Gerhold <stephan.gerhold@linaro.org>
Link: https://lore.kernel.org/r/20240715-topic-sm8x50-upstream-fix-battmgr-temp-tz-warn-v1-1-16e842ccead7@linaro.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Round constant_charge_voltage writes down to the first supported lower
value, rather then rounding them up to the first supported higher value.
This fixes e.g. writing 4250000 resulting in a value of 4350000 which
might be dangerous, instead writing 4250000 will now result in a safe
4200000 value.
Fixes: 843735b788a4 ("power: axp288_charger: axp288 charger driver")
Cc: stable@vger.kernel.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240717200333.56669-2-hdegoede@redhat.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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info->max_cv is in millivolts, divide the microvolt value being written
to constant_charge_voltage by 1000 *before* clamping it to info->max_cv.
Before this fix the code always tried to set constant_charge_voltage
to max_cv / 1000 = 4 millivolt, which ends up in setting it to 4.1V
which is the lowest supported value.
Fixes: 843735b788a4 ("power: axp288_charger: axp288 charger driver")
Cc: stable@vger.kernel.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240717200333.56669-1-hdegoede@redhat.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Commit 3a93da231c12 ("power: supply: rt5033: Use devm_power_supply_register() helper")
reworked the driver to use devm. While at it, the i2c_set_clientdata
was dropped along with the remove callback. Unfortunately other parts
of the driver also rely on i2c clientdata so this causes kernel oops.
Bring the call back to fix the driver.
Fixes: 3a93da231c12 ("power: supply: rt5033: Use devm_power_supply_register() helper")
Tested-by: Raymond Hackley <raymondhackley@protonmail.com>
Signed-off-by: Nikita Travkin <nikita@trvn.ru>
Link: https://lore.kernel.org/r/20240605-rt5033-null-clientdata-v1-1-558d710eeb4d@trvn.ru
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
"Power-supply core:
- new charging_orange_full_green RGB LED trigger
- simplify and cleanup power-supply LED trigger code
- expose power information via hwmon compatibility layer
New hardware support:
- enable battery support for Qualcomm Snapdragon X Elite
- new battery driver for Maxim MAX17201/MAX17205
- new battery driver for Lenovo Yoga C630 laptop (custom EC)
Cleanups:
- cleanup 'struct i2c_device_id' initializations
- misc small battery driver cleanups and fixes"
* tag 'for-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
power: supply: sysfs: use power_supply_property_is_writeable()
power: supply: qcom_battmgr: Enable battery support on x1e80100
power: supply: add support for MAX1720x standalone fuel gauge
dt-bindings: power: supply: add support for MAX17201/MAX17205 fuel gauge
power: reset: piix4: add missing MODULE_DESCRIPTION() macro
power: supply: samsung-sdi-battery: Constify struct power_supply_maintenance_charge_table
power: supply: samsung-sdi-battery: Constify struct power_supply_vbat_ri_table
power: supply: lenovo_yoga_c630_battery: add Lenovo C630 driver
power: supply: ingenic: Fix some error handling paths in ingenic_battery_get_property()
power: supply: ab8500: Clean some error messages
power: supply: ab8500: Use iio_read_channel_processed_scale()
power: supply: ab8500: Fix error handling when calling iio_read_channel_processed()
power: supply: hwmon: Add support for power sensors
power: supply: ab8500: remove unused struct 'inst_curr_result_list'
power: supply: bd99954: remove unused struct 'battery_data'
power: supply: leds: Add activate() callback to triggers
power: supply: leds: Share trig pointer for online and charging_full
power: supply: leds: Add power_supply_[un]register_led_trigger()
power: supply: Drop explicit initialization of struct i2c_device_id::driver_data to 0
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Instead of open-coding the helper use it directly.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20240608-power-supply-extensions-v2-1-2dcd35b012ad@weissschuh.net
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The x1e80100, being a compute platform, provides functionality for the
exact same power supplies as sc8280xp. Add the compatible and assign
the sc8280xp match data.
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Tested-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20240621-x1e80100-power-supply-qcom-battmgr-v1-1-40cb89a0c144@linaro.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The MAX17201 monitors a single cell pack. The MAX17205 monitors and
balances a 2S or 3S pack or monitors a multiple-series cell pack. Both
devices use a I2C interface.
Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com>
Link: https://lore.kernel.org/r/20240702090308.8848-3-dima.fedrau@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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power_supply_maintenance_charge_table
'struct power_supply_maintenance_charge_table' is not modified in this
driver.
Constifying this structure moves some data to a read-only section, so
increase overall security.
In order to do it, some code also needs to be adjusted to this new const
qualifier.
On a x86_64, with allmodconfig:
Before:
======
$ size drivers/power/supply/samsung-sdi-battery.o
text data bss dec hex filename
4055 4584 0 8639 21bf drivers/power/supply/samsung-sdi-battery.o
After:
=====
$ size drivers/power/supply/samsung-sdi-battery.o
text data bss dec hex filename
4087 4552 0 8639 21bf drivers/power/supply/samsung-sdi-battery.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/6caafd0ac2556a40405273b1a4badc508ea8e9b0.1719125040.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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'struct power_supply_vbat_ri_table' are not modified in this driver.
Constifying these structures moves some data to a read-only section, so
increase overall security.
In order to do it, some code also needs to be adjusted to this new const
qualifier.
On a x86_64, with allmodconfig:
Before:
======
$ size drivers/power/supply/samsung-sdi-battery.o
text data bss dec hex filename
955 7664 0 8619 21ab drivers/power/supply/samsung-sdi-battery.o
After:
=====
$ size drivers/power/supply/samsung-sdi-battery.o
text data bss dec hex filename
4055 4584 0 8639 21bf drivers/power/supply/samsung-sdi-battery.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/d01818abd880bf435d1106a9a6cc11a7a8a3e661.1719125040.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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On the Lenovo Yoga C630 WOS laptop the EC provides access to the adapter
and battery status. Add the driver to read power supply status on the
laptop.
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240621-yoga-ec-driver-v8-1-daae67d0233d@linaro.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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ingenic_battery_get_property()
If iio_read_channel_processed() fails, 'val->intval' is not updated, but it
is still *1000 just after. So, in case of error, the *1000 accumulate and
'val->intval' becomes erroneous.
So instead of rescaling the value after the fact, use the dedicated scaling
API. This way the result is updated only when needed. In case of error, the
previous value is kept, unmodified.
This should also reduce any inaccuracies resulting from the scaling.
Finally, this is also slightly more efficient as it saves a function call
and a multiplication.
Fixes: fb24ccfbe1e0 ("power: supply: add Ingenic JZ47xx battery driver.")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Artur Rojek <contact@artur-rojek.eu>
Link: https://lore.kernel.org/r/51e49c18574003db1e20c9299061a5ecd1661a3c.1719121781.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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There is an useless extra comma at the end of some error messages, remove
them.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/e7ac0fa83c6100cbe4e0efa90cf99291c2423b10.1719037737.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Instead of rescaling current or voltage channels after the fact, use the
dedicated scaling API. This should reduce any inaccuracies resulting from
the scaling.
This is also slightly more efficient as it saves a function call and a
multiplication.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/5668d73b92eb6318c7f094a9a8fa914c909485ca.1719037737.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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iio_read_channel_processed()
The ab8500_charger_get_[ac|vbus]_[current|voltage]() functions should
return an error code on error.
Up to now, an un-initialized value is returned.
This makes the error handling of the callers un-reliable.
Return the error code instead, to fix the issue.
Fixes: 97ab78bac5d0 ("power: supply: ab8500_charger: Convert to IIO ADC")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/f9f65642331c9e40aaebb888589db043db80b7eb.1719037737.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Currently, more than seven power supply drivers are supporting
POWER_SUPPLY_PROP_POWER_NOW, but their power readings are not being
reported through the hwmon subsystem.
Fix this by adding support for power sensors to the power supply
hwmon integration.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20240528222115.791511-1-W_Armin@gmx.de
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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'inst_curr_result_list' is unused since the original
commit 13151631b5bd ("ab8500-fg: A8500 fuel gauge driver").
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20240528000634.196707-3-linux@treblig.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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'battery_data' is unused since the original
commit 0902f8366491 ("power: supply: Support ROHM bd99954 charger").
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Acked-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/20240528000634.196707-2-linux@treblig.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Add an activate() callback to the power-supply LED triggers so that
the LED being activated will properly reflect the current power-supply
state for power-supply devices which are already fully registered
when the trigger gets activated.
This fixes e.g. wrong LED state (1) when the LED gets registered
after the power-supply device.
1) Until the psy driver has a reason to call power_supply_changed()
which may take quite a while
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20240531134702.166145-4-hdegoede@redhat.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Either 5 different LED triggers are registered for battery power-supply
devices or a single online LED trigger is used for non battery power-supply
devices.
These 5 / 1 LED trigger(s) are never used at the same time. So there is
no need for a separate LED trigger pointer for the online trigger. Rename
the first battery trigger from charging_full_trig to just trig and use this
for the online trigger too.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20240531134702.166145-3-hdegoede@redhat.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Add power_supply_[un]register_led_trigger() helper functions.
The primary goal of this is as a preparation patch for adding an activate
callback to the power-supply LED triggers to ensure that power-supply
LEDs get the correct initial value when the LED gets registered after
the power_supply has been registered (this will use the psy back pointer).
There also is quite a lot of code duplication in the existing LED trigger
registration in the form of the kasprintf() for the name-template for each
trigger + related error handling. This duplication is removed by these
new helpers.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20240531134702.166145-2-hdegoede@redhat.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Immutable branch between LEDs, Power and RGB due for the v6.11 merge
window.
Merge it to provide functionality required by power-supply specific
LED handler cleanups depending on the newly added (multi-colour) LED
features.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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i2c_device_id::driver_data to 0
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 add it, also remove commas after the sentinel entries.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20240522164830.61646-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds
Pull LED updates from Lee Jones:
"Core Frameworks:
- New trigger for Input Events
- New led_mc_set_brightness() call to adapt colour/brightness for
mutli-colour LEDs
- New lled_mc_trigger_event() call to call the above based on given
trigger conditions
- New led_get_color_name() call, a wrapper around the existing
led_colors[] array
- A new flag to avoid automatic renaming of LED devices
New Drivers:
- Silergy SY7802 Flash LED Controller
- Texas Instruments LP5569 LED Controller
- ChromeOS EC LED Controller
New Device Support:
- KTD202{6,7} support for Kinetic KTD2026/7 LEDs
Fix-ups:
- Replace ACPI/DT firmware helpers with agnostic variants
- Make use of resource managed devm_* API calls
- Device Tree binding adaptions/conversions/creation
- Constify/staticise applicable data structures
- Trivial; spelling, whitespace, coding-style adaptions
- Drop i2c_device_id::driver_data where the value is unused
- Utilise centrally provided helpers and macros to aid simplicity and
avoid duplication
- Use generic platform device properties instead of OF/ACPI specific
ones
- Consolidate/de-duplicate various functionality
- Remove superfluous/duplicated/unused sections
- Make use of the new *_scoped() guard APIs
- Improve/simplify error handling
Bug Fixes:
- Flush pending brightness changes before activating the trigger
- Repair incorrect device naming preventing matches
- Prevent memory leaks by correctly free resources during error
handling routines
- Repair locking issue causing circular dependency splats and
lock-ups
- Unregister sysfs entries before deactivating triggers to prevent
use-after issues
- Supply a bunch of MODULE_DESCRIPTIONs to silence modpost warnings
- Use correct return codes expected by the callers
- Omit set_brightness() error message for a LEDs that support only HW
triggers"
* tag 'leds-next-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (65 commits)
leds: leds-lp5569: Enable chip after chip configuration
leds: leds-lp5569: Better handle enabling clock internal setting
leds: leds-lp5569: Fix typo in driver name
leds: flash: leds-qcom-flash: Test the correct variable in init
leds: leds-lp55xx: Convert mutex lock/unlock to guard API
leds: leds-lp5523: Convert to sysfs_emit API
leds: leds-lp5569: Convert to sysfs_emit API
Revert "leds: led-core: Fix refcount leak in of_led_get()"
leds: leds-lp5569: Add support for Texas Instruments LP5569
leds: leds-lp55xx: Drop deprecated defines
leds: leds-lp55xx: Support ENGINE program up to 128 bytes
leds: leds-lp55xx: Generalize sysfs master_fader
leds: leds-lp55xx: Generalize sysfs engine_leds
leds: leds-lp55xx: Generalize sysfs engine_load and engine_mode
leds: leds-lp55xx: Generalize stop_engine function
leds: leds-lp55xx: Generalize turn_off_channels function
leds: leds-lp55xx: Generalize set_led_current function
leds: leds-lp55xx: Generalize multicolor_brightness function
leds: leds-lp55xx: Generalize led_brightness function
leds: leds-lp55xx: Generalize firmware_loaded function
...
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RGB LED
Add a charging_orange_full_green LED trigger and the trigger is based on
led_mc_trigger_event() which can set an RGB LED when the trigger is
triggered. The LED will show orange when the battery status is charging.
The LED will show green when the battery status is full.
Link: https://lore.kernel.org/linux-leds/f40a0b1a-ceac-e269-c2dd-0158c5b4a1ad@gmail.com/
Signed-off-by: Kate Hsuan <hpa@redhat.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
[hdegoede@redhat.com change color order to RGB]
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240531114124.45346-7-hdegoede@redhat.com
Signed-off-by: Lee Jones <lee@kernel.org>
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charge_behaviour_store()
The C standard is vague about the signedness of enums, but in this case
here, they are treated as unsigned so the error handling does not work.
Use an int type to fix this.
Fixes: c6ed48ef5259 ("power: supply: add ChromeOS EC based charge control driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Acked-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/ZoWKEs4mCqeLyTOB@stanley.mountain
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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Clang warns (or errors with CONFIG_WERROR=y):
drivers/power/supply/cros_charge-control.c:319:2: error: array index 3 is past the end of the array (that has type 'struct attribute *[3]') [-Werror,-Warray-bounds]
319 | priv->attributes[_CROS_CHCTL_ATTR_COUNT] = NULL;
| ^ ~~~~~~~~~~~~~~~~~~~~~~
drivers/power/supply/cros_charge-control.c:49:2: note: array 'attributes' declared here
49 | struct attribute *attributes[_CROS_CHCTL_ATTR_COUNT];
| ^
1 error generated.
In earlier revisions of the driver, the attributes array in
cros_chctl_priv had four elements with four distinct assignments but
during review, the number of elements was changed to three through use
of an enum and the assignments became a for loop, except for this one,
which is now out of bounds. This assignment is no longer necessary
because the size of the attributes array no longer accounts for it, so
just remove it to clear up the warning.
Fixes: c6ed48ef5259 ("power: supply: add ChromeOS EC based charge control driver")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20240702-cros_charge-control-fix-clang-array-bounds-warning-v1-1-ae04d995cd1d@kernel.org
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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Framework laptops implement a custom charge control EC command.
The upstream CrOS EC command is also present and functional but can get
overridden by the custom one.
Until Framework make both commands compatible or remove their custom
one, don't load the driver on those machines.
If the user knows they are not going to use the custom command they can
use a module parameter to load cros_charge-control anyways.
Note that the UEFI setup configuration for battery control also uses
their custom command.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20240630-cros_ec-charge-control-v5-5-8f649d018c52@weissschuh.net
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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The ChromeOS Embedded Controller implements a command to control charge
thresholds and behaviour.
Use it to implement the standard Linux charge_control_start_threshold,
charge_control_end_threshold and charge_behaviour sysfs UAPIs.
The driver is designed to be probed via the cros_ec mfd device.
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20240630-cros_ec-charge-control-v5-4-8f649d018c52@weissschuh.net
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"i2c core removes an argument from the i2c_mux_add_adapter() call to
further deprecate class based I2C device instantiation. All users are
converted, too.
Other that that, Andi collected a number if I2C host driver patches.
Those merges have their own description"
* tag 'i2c-for-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (72 commits)
power: supply: sbs-manager: Remove class argument from i2c_mux_add_adapter()
i2c: mux: Remove class argument from i2c_mux_add_adapter()
i2c: synquacer: Fix an error handling path in synquacer_i2c_probe()
i2c: acpi: Unbind mux adapters before delete
i2c: designware: Replace MODULE_ALIAS() with MODULE_DEVICE_TABLE()
i2c: pxa: use 'time_left' variable with wait_event_timeout()
i2c: s3c2410: use 'time_left' variable with wait_event_timeout()
i2c: rk3x: use 'time_left' variable with wait_event_timeout()
i2c: qcom-geni: use 'time_left' variable with wait_for_completion_timeout()
i2c: jz4780: use 'time_left' variable with wait_for_completion_timeout()
i2c: synquacer: use 'time_left' variable with wait_for_completion_timeout()
i2c: stm32f7: use 'time_left' variable with wait_for_completion_timeout()
i2c: stm32f4: use 'time_left' variable with wait_for_completion_timeout()
i2c: st: use 'time_left' variable with wait_for_completion_timeout()
i2c: omap: use 'time_left' variable with wait_for_completion_timeout()
i2c: imx-lpi2c: use 'time_left' variable with wait_for_completion_timeout()
i2c: hix5hd2: use 'time_left' variable with wait_for_completion_timeout()
i2c: exynos5: use 'time_left' variable with wait_for_completion_timeout()
i2c: digicolor: use 'time_left' variable with wait_for_completion_timeout()
i2c: amd-mp2-plat: use 'time_left' variable with wait_for_completion_timeout()
...
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Commit 99a741aa7a2d ("i2c: mux: gpio: remove support for class-based
device instantiation") removed the last call to i2c_mux_add_adapter()
with a non-null class argument. Therefore the class argument can be
removed.
Note: Class-based device instantiation is a legacy mechanism which
shouldn't be used in new code, so we can rule out that this argument
may be needed again in the future.
This driver was forgotten by the patch in the Fixes tag.
Fixes: fec1982d7072 ("i2c: mux: Remove class argument from i2c_mux_add_adapter()")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
- core: simplify POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR handling
- test-power: add POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR support
- chrome EC drivers: add ID based probing
- bq27xxx: simplify update loop to reduce I2C traffic
- max8903 binding: fix GPIO polarity description
* tag 'for-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
dt-bindings: power: supply: max8903: specify flt-gpios as input
power: supply: bq27xxx: Move health reading out of update loop
power: supply: bq27xxx: Move cycle count reading out of update loop
power: supply: bq27xxx: Move energy reading out of update loop
power: supply: bq27xxx: Move charge reading out of update loop
power: supply: bq27xxx: Move time reading out of update loop
power: supply: bq27xxx: Move temperature reading out of update loop
power: supply: cros_pchg: provide ID table for avoiding fallback match
power: supply: cros_usbpd: provide ID table for avoiding fallback match
power: supply: core: simplify charge_behaviour formatting
power: supply: test-power: implement charge_behaviour property
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Most of the functions that read values return a status and put the value
itself in an a function parameter. Update health reading to match.
As health is not checked for changes as part of the update loop, remove
the read of this from the periodic update loop. This saves I2C/1W
bandwidth. It also means we do not have to cache it, fresh values are
read when requested.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240325203129.150030-6-afd@ti.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Most of the functions that read values return a status and put the value
itself in an a function parameter. Update cycle count reading to match.
As cycle count is not checked for changes as part of the update loop,
remove the read of this from the periodic update loop. This saves I2C/1W
bandwidth. It also means we do not have to cache it, fresh values are
read when requested.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240325203129.150030-5-afd@ti.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Most of the functions that read values return a status and put the value
itself in an a function parameter. Update energy reading to match.
As energy is not checked for changes as part of the update loop,
remove the read of this from the periodic update loop. This saves
I2C/1W bandwidth. It also means we do not have to cache it, fresh
values are read when requested.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240325203129.150030-4-afd@ti.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Most of the functions that read values return a status and put the value
itself in an a function parameter. Update charge reading to match.
As charge state is not checked for changes as part of the update loop,
remove the read of this from the periodic update loop. This saves
I2C/1W bandwidth. It also means we do not have to cache it, fresh
values are read when requested.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240325203129.150030-3-afd@ti.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Most of the functions that read values return a status and put the value
itself in an a function parameter. Update time reading to match.
As time is not checked for changes as part of the update loop, remove
the read of the this from the periodic update loop. This saves
I2C/1W bandwidth. It also means we do not have to cache it, fresh
values are read when requested.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240325203129.150030-2-afd@ti.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Most of the functions that read values return a status and put the value
itself in an a function parameter. Update temperature reading to match.
As temp is not checked for changes as part of the update loop, remove
the read of the temperature from the periodic update loop. This saves
I2C/1W bandwidth. It also means we do not have to cache it, fresh
values are read when requested.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240325203129.150030-1-afd@ti.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Instead of using fallback driver name match, provide ID table[1] for the
primary match.
[1]: https://elixir.bootlin.com/linux/v6.8/source/drivers/base/platform.c#L1353
Reviewed-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20240401030052.2887845-5-tzungbi@kernel.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Instead of using fallback driver name match, provide ID table[1] for the
primary match.
[1]: https://elixir.bootlin.com/linux/v6.8/source/drivers/base/platform.c#L1353
Reviewed-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20240401030052.2887845-4-tzungbi@kernel.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The function power_supply_show_charge_behaviour() is not needed and can
be removed completely.
Removing the function also saves a spurious read of the property from
the driver on each call.
The convulted logic was a leftover from an earlier patch revision.
Some restructuring made this cleanup possible.
Suggested-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/all/9e035ae4-cb07-4f84-8336-1a0050855bea@redhat.com/
Fixes: 4e61f1e9d58f ("power: supply: core: fix charge_behaviour formatting")
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240329-power-supply-simplify-v1-1-416f1002739f@weissschuh.net
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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To validate the special formatting of the "charge_behaviour" sysfs
property add it to the example driver.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20240306-power_supply-charge_behaviour_prop-v3-1-d04cf1f5f0af@weissschuh.net
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The of_match shall correspond to the name of the regulator subnode,
or the deprecated `regulator-compatible` property must be used:
failing to do so, the regulator won't probe (and the driver will
as well not probe).
Since the devicetree binding for this driver is actually correct
and wants DTs to use the "usb-otg-vbus-regulator" subnode name,
fix this driver by aligning the `of_match` string to what the DT
binding wants.
Fixes: 0402e8ebb8b8 ("power: supply: mt6360_charger: add MT6360 charger support")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20240410084405.1389378-1-angelogioacchino.delregno@collabora.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The rt9455_boost_voltage_values[] array is only used when USB PHY
support is enabled, causing a W=1 warning otherwise:
drivers/power/supply/rt9455_charger.c:200:18: error: 'rt9455_boost_voltage_values' defined but not used [-Werror=unused-const-variable=]
Enclose the definition in the same #ifdef as the references to it.
Fixes: e86d69dd786e ("power_supply: Add support for Richtek RT9455 battery charger")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20240403080702.3509288-10-arnd@kernel.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
"New features:
- axp20x_usb_power: report USB type
Cleanups:
- convert lots of drivers to use devm_power_supply_register()
- convert lots of reset drivers to use devm_register_sys_off_handler()
- constify device_type and power_supply_class
- axp20x_usb_power: use correct property to report input current limit
- mm8013: correct handling of "not charging" status register
- core: fix charge_behaviour formatting
- minor fixes cleanups"
* tag 'for-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (66 commits)
power: supply: core: fix charge_behaviour formatting
power: supply: core: ease special formatting implementations
power: supply: mm8013: fix "not charging" detection
power: supply: move power_supply_attr_groups definition back to sysfs
power: supply: core: simplify power_supply_class_init
power: supply: core: add power_supply_for_each_device()
power: supply: core: make power_supply_class constant
power: supply: bq2415x_charger: report online status
power: supply: core: move power_supply_attr_group into #ifdef block
power: supply: core: Fix power_supply_init_attrs() stub
power: supply: bq27xxx: Report charge full state correctly
power: reset: rmobile-reset: Make sysc_base2 local
power: supply: core: constify the struct device_type usage
power: supply: axp288_fuel_gauge: Deny ROCK Pi X
power: reset: rmobile-reset: Map correct MMIO resource
power: reset: xgene-reboot: Fix a NULL vs IS_ERR() test
power: supply: axp288_fuel_gauge: Add STCK1A* Intel Compute Sticks to the deny-list
power: reset: syscon-poweroff: Use devm_register_sys_off_handler(POWER_OFF)
power: reset: syscon-poweroff: Move device data into a struct
power: reset: restart-poweroff: Use devm_register_sys_off_handler(POWER_OFF)
...
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This property is documented to have a special format which exposes all
available behaviours and the currently active one at the same time. For
this special format some helpers are provided.
When the charge_behaviour property was added in
1b0b6cc8030d ("power: supply: add charge_behaviour attributes"), it did
not update the default logic in in power_supply_sysfs.c to use the
format helpers. Thus by default only the currently active behaviour
is printed. This fixes the default logic to follow the documented
format.
There is currently only one in-tree drivers exposing charge behaviours -
thinkpad_acpi, which is not affected by the change, as it directly uses
the helpers and does not use the power_supply_sysfs.c logic.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20240303-power_supply-charge_behaviour_prop-v2-3-8ebb0a7c2409@weissschuh.net
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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By moving the conditional into the default-branch of the switch new
additions to the switch won't have to bypass the conditional.
This makes it easier to implement those special cases like the upcoming
change to the formatting of "charge_behaviour".
Suggested-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/lkml/53082075-852f-4698-b354-ed30e7fd2683@redhat.com/
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20240303-power_supply-charge_behaviour_prop-v2-2-8ebb0a7c2409@weissschuh.net
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The charge_behaviours property is meant as a control-knob that can be
changed by the user.
Page 23 of [0] which documents the flag CHG_INH as follows:
CHG_INH : Charge Inhibit When the current is more than or equal to charge
threshold current,
charge inhibit temperature (upper/lower limit) :1
charge permission temperature or the current is
less than charge threshold current :0
So this is pure read-only information which is better represented as
POWER_SUPPLY_STATUS_NOT_CHARGING.
[0] https://product.minebeamitsumi.com/en/product/category/ics/battery/fuel_gauge/parts/download/__icsFiles/afieldfile/2023/07/12/1_download_01_12.pdf
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20240303-power_supply-charge_behaviour_prop-v2-1-8ebb0a7c2409@weissschuh.net
Fixes: e39257cde7e8 ("power: supply: mm8013: Add more properties")
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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