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[ Upstream commit ccf193dee1f0fff55b556928591f7818bac1b3b1 ]
clang static analysis flags this error
88pm860x_battery.c:522:19: warning: Assigned value is
garbage or undefined [core.uninitialized.Assign]
info->start_soc = soc;
^ ~~~
soc is set by calling calc_soc.
But calc_soc can return without setting soc.
So check the return status and bail similarly to other
checks in pm860x_init_battery and initialize soc to
silence the warning.
Fixes: a830d28b48bf ("power_supply: Enable battery-charger for 88pm860x")
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit c32ea07a30630ace950e07ffe7a18bdcc25898e1 ]
Fix failure when USB cable is connected:
smb347 2-006a: reading IRQSTAT_D failed
Fixes: 1502cfe19bac ("smb347-charger: Fix battery status reporting logic for charger faults")
Tested-by: David Heidelberg <david@ixit.cz>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: David Heidelberg <david@ixit.cz>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 934ed3847a4ebc75b655659c4d2349ba4337941c ]
In the probe function, in case of error, resources allocated in
'lp8788_setup_adc_channel()' must be released.
This can be achieved easily by using the devm_ variant of
'iio_channel_get()'.
This has the extra benefit to simplify the remove function and to axe the
'lp8788_release_adc_channel()' function which is now useless.
Fixes: 98a276649358 ("power_supply: Add new lp8788 charger driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 87c3d579c8ed0eaea6b1567d529a8daa85a2bc6c ]
regmap is a library function that gets selected by drivers that need
it. No driver modules should depend on it. Depending on REGMAP_I2C makes
this driver only build if another driver already selected REGMAP_I2C,
as the symbol can't be selected through the menu kernel configuration.
Fixes: 2219a935963e ("power_supply: Add TI BQ24257 charger driver")
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 1d7a7128a2e9e1f137c99b0a44e94d70a77343e3 upstream.
In function power_supply_add_hwmon_sysfs(), psyhw->props is
allocated by bitmap_zalloc(). But this pointer is not deallocated
when devm_add_action fail, which lead to a memory leak bug. To fix
this, we replace devm_add_action with devm_add_action_or_reset.
Cc: stable@kernel.org
Fixes: e67d4dfc9ff19 ("power: supply: Add HWMON compatibility layer")
Signed-off-by: Qiushi Wu <wu000273@umn.edu>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 6b20464ad9fb5fd76ef6f219ce62156aa9639dcc upstream.
tempX_label files are swapped compared to what
power_supply_hwmon_temp_to_property() uses. Make them match.
Cc: stable@vger.kernel.org
Fixes: e67d4dfc9ff1 ("power: supply: Add HWMON compatibility layer")
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 73174acc9c75960af2daa7dcbdb9781fc0d135cb upstream.
Make sure that the POWER_RESET_VEXPRESS driver won't have bind/unbind
attributes available via the sysfs, so lets be explicit here and use
".suppress_bind_attrs = true" to prevent userspace from doing something
silly.
Link: https://lore.kernel.org/r/20200527112608.3886105-2-anders.roxell@linaro.org
Cc: stable@vger.kernel.org
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit e42fe5b29ac07210297e75f36deefe54edbdbf80 ]
The Intel Compute Stick `STK1A32SC` can have a system vendor of
"Intel(R) Client Systems".
Broaden the Intel Compute Stick DMI checks so that they match "Intel
Corporation" as well as "Intel(R) Client Systems".
This fixes an issue where the STK1A32SC compute sticks were still
exposing a battery with the existing blacklist entry.
Signed-off-by: Jeffery Miller <jmiller@neverware.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 583b53ece0b0268c542a1eafadb62e3d4b0aab8c ]
The driver fails to probe with -EPROBE_DEFER if battery's power supply
(charger driver) isn't ready yet and this results in a bit noisy error
message in KMSG during kernel's boot up. Let's silence the harmless
error message.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Andrew F. Davis <afd@ti.com>
Reviewed-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 9c80662a74cd2a5d1113f5c69d027face963a556 upstream.
Some HP Pavilion x2 10 models use an AXP288 for charging and fuel-gauge.
We use a native power_supply / PMIC driver in this case, because on most
models with an AXP288 the ACPI AC / Battery code is either completely
missing or relies on custom / proprietary ACPI OpRegions which Linux
does not implement.
The native drivers mostly work fine, but there are 2 problems:
1. These model uses a Type-C connector for charging which the AXP288 does
not support. As long as a Type-A charger (which uses the USB data pins for
charger type detection) is used everything is fine. But if a Type-C
charger is used (such as the charger shipped with the device) then the
charger is not recognized.
So we end up slowly discharging the device even though a charger is
connected, because we are limiting the current from the charger to 500mA.
To make things worse this happens with the device's official charger.
Looking at the ACPI tables HP has "solved" the problem of the AXP288 not
being able to recognize Type-C chargers by simply always programming the
input-current-limit at 3000mA and relying on a Vhold setting of 4.7V
(normally 4.4V) to limit the current intake if the charger cannot handle
this.
2. If no charger is connected when the machine boots then it boots with the
vbus-path disabled. On other devices this is done when a 5V boost converter
is active to avoid the PMIC trying to charge from the 5V boost output.
This is done when an OTG host cable is inserted and the ID pin on the
micro-B receptacle is pulled low, the ID pin has an ACPI event handler
associated with it which re-enables the vbus-path when the ID pin is pulled
high when the OTG cable is removed. The Type-C connector has no ID pin,
there is no ID pin handler and there appears to be no 5V boost converter,
so we end up not charging because the vbus-path is disabled, until we
unplug the charger which automatically clears the vbus-path disable bit and
then on the second plug-in of the adapter we start charging.
The HP Pavilion x2 10 models with an AXP288 do have mostly working ACPI
AC / Battery code which does not rely on custom / proprietary ACPI
OpRegions. So one possible solution would be to blacklist the AXP288
native power_supply drivers and add the HP Pavilion x2 10 with AXP288
DMI ids to the list of devices which should use the ACPI AC / Battery
code even though they have an AXP288 PMIC. This would require changes to
4 files: drivers/acpi/ac.c, drivers/power/supply/axp288_charger.c,
drivers/acpi/battery.c and drivers/power/supply/axp288_fuel_gauge.c.
Beside needing adding the same DMI matches to 4 different files, this
approach also triggers problem 2. from above, but then when suspended,
during suspend the machine will not wakeup because the vbus path is
disabled by the AML code when not charging, so the Vbus low-to-high
IRQ is not triggered, the CPU never wakes up and the device does not
charge even though the user likely things it is charging, esp. since
the charge status LED is directly coupled to an adapter being plugged
in and does not reflect actual charging.
This could be worked by enabling vbus-path explicitly from say the
axp288_charger driver's suspend handler.
So neither situation is ideal, in both cased we need to explicitly enable
the vbus-path to work around different variants of problem 2 above, this
requires a quirk in the axp288_charger code.
If we go the route of using the ACPI AC / Battery drivers then we need
modifications to 3 other drivers; and we need to partially disable the
axp288_charger code, while at the same time keeping it around to enable
vbus-path on suspend.
OTOH we can copy the hardcoding of 3A input-current-limit (we never touch
Vhold, so that would stay at 4.7V) to the axp288_charger code, which needs
changes regardless, then we concentrate all special handling of this
interesting device model in the axp288_charger code. That is what this
commit does.
Cc: stable@vger.kernel.org
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1791098
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit a60ec78d306c6548d4adbc7918b587a723c555cc upstream.
This driver's remove path calls cancel_delayed_work().
However, that function does not wait until the work function
finishes. This could mean that the work function is still
running after the driver's remove function has finished,
which would result in a use-after-free.
Fix by calling cancel_delayed_work_sync(), which ensures that
that the work is properly cancelled, no longer running, and
unable to re-schedule itself.
This issue was detected with the help of Coccinelle.
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Sven Van Asbroeck <TheSven73@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 1c51aad8475d670ad58ae60adc9d32342381df8d upstream.
AXP803/AXP813 have a flag that enables/disables the AC power supply
input. This flag does not affect the status bits in PWR_INPUT_STATUS.
Its effect can be verified by checking the battery charge/discharge
state (bit 2 of PWR_INPUT_STATUS), or by examining the current draw on
the AC input.
Take this flag into account when getting the ONLINE property of the AC
input, on PMICs where this flag is present.
Fixes: 7693b5643fd2 ("power: supply: add AC power supply driver for AXP813")
Cc: stable@vger.kernel.org
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 86b9182df8bb12610d4d6feac45a69f3ed57bfd2 upstream.
The ADC in the JZ4740 can work either in high-precision mode with a 2.5V
range, or in low-precision mode with a 7.5V range. The code in place in
this driver will select the proper scale according to the maximum
voltage of the battery.
The JZ4770 however only has one mode, with a 6.6V range. If only one
scale is available, there's no need to change it (and nothing to change
it to), and trying to do so will fail with -EINVAL.
Fixes: fb24ccfbe1e0 ("power: supply: add Ingenic JZ47xx battery driver.")
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Artur Rojek <contact@artur-rojek.eu>
Cc: stable@vger.kernel.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 9480029fe5c24d482efad38dc631bd555fc7afe2 ]
The bd70528 charger driver is probed by MFD driver. Add MODULE_ALIAS
in order to allow udev to load the module when MFD sub-device cell for
charger is added.
Fixes: f8c7f7ddd8ef0 ("power: supply: Initial support for ROHM BD70528 PMIC charger block")
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 639c1524da3b273d20c42ff2387d08eb4b12e903 ]
We can get the low voltage interrupt trigger sometimes way too early,
maybe because of CPU load spikes. This causes orderly_poweroff() be
called too easily.
Let's check the voltage before orderly_poweroff in case it was not
yet a permanent condition. We will be getting more interrupts anyways
if the condition persists.
Let's also show the measured voltages for low battery and battery
empty warnings since we have them.
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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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:
- Ensure HWMON devices are registered with valid names
- Fix device wakeup code
Drivers:
- bq25890_charger: Add BQ25895 support
- axp288_fuel_gauge: Add Minix Neo Z83-4 to blacklist
- sc27xx: improve battery calibration
- misc small fixes all over drivers"
* tag 'for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (24 commits)
power: supply: cpcap-charger: Enable vbus boost voltage
power: supply: sc27xx: Add POWER_SUPPLY_PROP_CALIBRATE attribute
power: supply: sc27xx: Optimize the battery capacity calibration
power: supply: sc27xx: Make sure the alarm capacity is larger than 0
power: supply: sc27xx: Fix the the accuracy issue of coulomb calculation
power: supply: sc27xx: Fix conditon to enable the FGU interrupt
power: supply: sc27xx: Add POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN attribute
power: supply: max77650: add MODULE_ALIAS()
power: supply: isp1704: remove redundant assignment to variable ret
power: supply: bq25890_charger: Add the BQ25895 part
power: supply: sc27xx: Replace devm_add_action() followed by failure action with devm_add_action_or_reset()
power: supply: sc27xx: Introduce local variable 'struct device *dev'
power: reset: reboot-mode: Fix author email format
power: supply: ab8500: remove set but not used variables 'vbup33_vrtcn' and 'bup_vch_range'
power: supply: max17042_battery: Fix a typo in function names
power: reset: gpio-restart: Fix typo when gpio reset is not found
power: supply: Init device wakeup after device_add()
power: supply: ab8500_charger: Mark expected switch fall-through
power: supply: sbs-battery: only return health when battery present
MAINTAINERS: N900: Remove isp1704_charger.h record
...
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Pull MIPS updates from Paul Burton:
"Main MIPS changes:
- boot_mem_map is removed, providing a nice cleanup made possible by
the recent removal of bootmem.
- Some fixes to atomics, in general providing compiler barriers for
smp_mb__{before,after}_atomic plus fixes specific to Loongson CPUs
or MIPS32 systems using cmpxchg64().
- Conversion to the new generic VDSO infrastructure courtesy of
Vincenzo Frascino.
- Removal of undefined behavior in set_io_port_base(), fixing the
behavior of some MIPS kernel configurations when built with recent
clang versions.
- Initial MIPS32 huge page support, functional on at least Ingenic
SoCs.
- pte_special() is now supported for some configurations, allowing
among other things generic fast GUP to be used.
- Miscellaneous fixes & cleanups.
And platform specific changes:
- Major improvements to Ingenic SoC support from Paul Cercueil,
mostly enabled by the inclusion of the new TCU (timer-counter unit)
drivers he's spent a very patient year or so working on. Plus some
fixes for X1000 SoCs from Zhou Yanjie.
- Netgear R6200 v1 systems are now supported by the bcm47xx platform.
- DT updates for BMIPS, Lantiq & Microsemi Ocelot systems"
* tag 'mips_5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (89 commits)
MIPS: Detect bad _PFN_SHIFT values
MIPS: Disable pte_special() for MIPS32 with RiXi
MIPS: ralink: deactivate PCI support for SOC_MT7621
mips: compat: vdso: Use legacy syscalls as fallback
MIPS: Drop Loongson _CACHE_* definitions
MIPS: tlbex: Remove cpu_has_local_ebase
MIPS: tlbex: Simplify r3k check
MIPS: Select R3k-style TLB in Kconfig
MIPS: PCI: refactor ioc3 special handling
mips: remove ioremap_cachable
mips/atomic: Fix smp_mb__{before,after}_atomic()
mips/atomic: Fix loongson_llsc_mb() wreckage
mips/atomic: Fix cmpxchg64 barriers
MIPS: Octeon: remove duplicated include from dma-octeon.c
firmware: bcm47xx_nvram: Allow COMPILE_TEST
firmware: bcm47xx_nvram: Correct size_t printf format
MIPS: Treat Loongson Extensions as ASEs
MIPS: Remove dev_err() usage after platform_get_irq()
MIPS: dts: mscc: describe the PTP ready interrupt
MIPS: dts: mscc: describe the PTP register range
...
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git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Benson Leung:
"CrOS EC / MFD Migration:
- Move cros_ec core driver from mfd into chrome platform.
Wilco EC:
- Add batt_ppid_info command to Wilco telemetry driver.
CrOS EC:
- cros_ec_rpmsg : Add support to inform EC of suspend/resume status
- cros_ec_rpmsg : Fix race condition on probe failed
- cros_ec_chardev : Add a poll handler to receive MKBP events
Misc:
- bugfixes in cros_usbpd_logger and cros_ec_ishtp"
* tag 'tag-chrome-platform-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: cros_usbpd_logger: null check create_singlethread_workqueue
platform/chrome: cros_ec_chardev: Add a poll handler to receive MKBP events
platform/chrome: cros_ec_rpmsg: Fix race with host command when probe failed
platform/chrome: chromeos_tbmc: Report wake events
mfd: cros_ec: Use mfd_add_hotplug_devices() helper
mfd: cros_ec: Add convenience struct to define autodetectable CrOS EC subdevices
mfd: cros_ec: Add convenience struct to define dedicated CrOS EC MCUs
mfd: cros_ec: Use kzalloc and cros_ec_cmd_xfer_status helper
mfd / platform: cros_ec: Reorganize platform and mfd includes
mfd / platform: cros_ec: Rename config to a better name
mfd: cros_ec: Switch to use the new cros-ec-chardev driver
mfd / platform: cros_ec: Miscellaneous character device to talk with the EC
mfd / platform: cros_ec: Move cros-ec core driver out from MFD
mfd / platform: cros_ec: Handle chained ECs as platform devices
platform/chrome: cros_ec_rpmsg: Add host command AP sleep state support
platform/chrome: chromeos_laptop: drop checks of NULL-safe functions
platform/chrome: wilco_ec: Add batt_ppid_info command to telemetry driver
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We are currently not enabling VBUS boost for cpcap when in host mode.
This means the VBUS is fed at the battery voltage level, which can cause
flakeyness enumerating devices.
Looks like the boost control for VBUS is CPCAP_BIT_VBUS_SWITCH that we
must enable in the charger for nice 4.92 V VBUS output. And looks like
we must not use the STBY pin enabling but must instead use manual VBUS
control in phy-cpcap-usb.
We want to do this in cpcap_charger_vbus_work() and also set a flag for
feeding_vbus to avoid races between USB detection and charger detection,
and disable charging if feeding_vbus is set.
Cc: Jacopo Mondi <jacopo@jmondi.org>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Marcel Partap <mpartap@gmx.net>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Michael Scott <hashcode0f@gmail.com>
Cc: NeKit <nekit1000@gmail.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Add the 'POWER_SUPPLY_PROP_CALIBRATE' attribute to allow chareger manager
to calibrate the battery capacity.
Signed-off-by: Yuanjiang Yu <yuanjiang.yu@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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This patch factors out the capacity calibration into one single function
to calibrate the battery capacity, and adding more abnormal cases to
calibrate the capacity when the OCV value is not matchable with current
capacity.
Moreover we also allow to calibrate the capacity when charger magager
tries to get current capacity to make sure we give a correct capacity
for userspace.
Signed-off-by: Yuanjiang Yu <yuanjiang.yu@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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We must make sure the alarm capacity is larger than 0, to help to
calibrate the low battery capacity.
Signed-off-by: Yuanjiang Yu <yuanjiang.yu@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The Spreadtrum fuel gauge will multiply by 2 for counting the coulomb
counter to improve the accuracy, which means the value saved in fuel
gauge is: coulomb counter * 2 * 1000ma_adc. Thus fix the conversion
formular to improve the accuracy of calculating the battery capacity.
Signed-off-by: Yuanjiang Yu <yuanjiang.yu@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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We should allow to enable FGU interrupt to adjust the battery capacity,
when charging status is POWER_SUPPLY_STATUS_DISCHARGING.
Signed-off-by: Yuanjiang Yu <yuanjiang.yu@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Add POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN attribute to provide the battery's
design capacity for charger manager to calculate the charging counter.
Signed-off-by: Yuanjiang Yu <yuanjiang.yu@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Define a MODULE_ALIAS() in the charger sub-driver for max77650 so that
the appropriate module gets loaded together with the core mfd driver.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The variable ret is being assigned with a value that is never
read and it is being updated later with a new value. The
assignment is redundant and can be removed.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The BQ25895 is almost identical to the BQ25890.
Signed-off-by: Angus Ainslie (Purism) <angus@akkea.ca>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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with devm_add_action_or_reset()
devm_add_action_or_reset() is introduced as a helper function which
internally calls devm_add_action(). If devm_add_action() fails
then it will execute the action mentioned and return the error code.
This reduce source code size (avoid writing the action twice)
and reduce the likelyhood of bugs.
Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Reviewed-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Introduce local variable 'struct device *dev' and use it instead of
dereferencing it repeatly.
Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Reviewed-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Closing angle bracket was missing.
Signed-off-by: Matwey V. Kornilov <matwey@sai.msu.ru>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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'bup_vch_range'
Fixes gcc '-Wunused-but-set-variable' warnings:
drivers/power/supply/ab8500_charger.c:
In function ab8500_charger_init_hw_registers:
drivers/power/supply/ab8500_charger.c:3013:24: warning:
variable vbup33_vrtcn set but not used [-Wunused-but-set-variable]
drivers/power/supply/ab8500_charger.c:3013:5: warning:
variable bup_vch_range set but not used [-Wunused-but-set-variable]
Fixes: 4c4268dc97c4 ("power: supply: ab8500: Drop AB8540/9540 support")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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It is likely that 'max10742_[un]lock_model()' functions should be
'max17042_[un]lock_model()'
(0 and 7 switched in 10742)
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Trivial patch which just corrects error message.
Fixes: 371bb20d6927 ("power: Add simple gpio-restart driver")
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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There is a bit of mess between cros-ec mfd includes and platform
includes. For example, we have a linux/mfd/cros_ec.h include that
exports the interface implemented in platform/chrome/cros_ec_proto.c. Or
we have a linux/mfd/cros_ec_commands.h file that is non related to the
multifunction device (in the sense that is not exporting any function of
the mfd device). This causes crossed includes between mfd and
platform/chrome subsystems and makes the code difficult to read, apart
from creating 'curious' situations where a platform/chrome driver includes
a linux/mfd/cros_ec.h file just to get the exported functions that are
implemented in another platform/chrome driver.
In order to have a better separation on what the cros-ec multifunction
driver does and what the cros-ec core provides move and rework the
affected includes doing:
- Move cros_ec_commands.h to include/linux/platform_data/cros_ec_commands.h
- Get rid of the parts that are implemented in the platform/chrome/cros_ec_proto.c
driver from include/linux/mfd/cros_ec.h to a new file
include/linux/platform_data/cros_ec_proto.h
- Update all the drivers with the new includes, so
- Drivers that only need to know about the protocol include
- linux/platform_data/cros_ec_proto.h
- linux/platform_data/cros_ec_commands.h
- Drivers that need to know about the cros-ec mfd device also include
- linux/mfd/cros_ec.h
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Tested-by: Gwendal Grignou <gwendal@chromium.org>
Series changes: 3
- Fix dereferencing pointer to incomplete type 'struct cros_ec_dev' (lkp)
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Now, the ChromeOS EC core driver has nothing related to an MFD device, so
move that driver from the MFD subsystem to the platform/chrome subsystem.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Tested-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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We may want to use the device pointer in device_init_wakeup() with
functions that expect the device to already be added with device_add().
For example, if we were to link the device initializing wakeup to
something in sysfs such as a class for wakeups we'll run into an error.
It looks like this code was written with the assumption that the device
would be added before initializing wakeup due to the order of operations
in power_supply_unregister().
Let's change the order of operations so we don't run into problems here.
Fixes: 948dcf966228 ("power_supply: Prevent suspend until power supply events are processed")
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Tri Vo <trong@android.com>
Cc: Kalesh Singh <kaleshsingh@google.com>
Cc: Ravi Chandra Sadineni <ravisadineni@chromium.org>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Mark switch cases where we are expecting to fall through.
This patch fixes the following warning (Building: allmodconfig arm):
drivers/power/supply/ab8500_charger.c:738:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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when the battery is set to sbs-mode and no gpio detection is enabled
"health" is always returning a value even when the battery is not present.
All other fields return "not present".
This leads to a scenario where the driver is constantly switching between
"present" and "not present" state. This generates a lot of constant
traffic on the i2c.
This commit changes the response of "health" to an error when the battery
is not responding leading to a consistent "not present" state.
Fixes: 76b16f4cdfb8 ("power: supply: sbs-battery: don't assume MANUFACTURER_DATA formats")
Cc: <stable@vger.kernel.org>
Signed-off-by: Michael Nosthoff <committed@heine.so>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Tested-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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the type flag is stored in the chip->flags field not in the
client->flags field. This currently leads to never using the ti
specific health function as client->flags doesn't use that bit.
So it's always falling back to the general one.
Fixes: 76b16f4cdfb8 ("power: supply: sbs-battery: don't assume MANUFACTURER_DATA formats")
Cc: <stable@vger.kernel.org>
Signed-off-by: Michael Nosthoff <committed@heine.so>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The Minix Neo Z83-4 is another mini PC using the AXP288 PMIC where the
EFI code does not disable the charger part of the PMIC causing us to report
battery readings (of always 100%) to userspace even though there is no
battery in this wall-outlet powered device.
Add it to the blacklist to avoid the bogus battery status reporting.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The blacklist is getting big enough that it is good to have some sort
of fixed order for it, sort it alphabetically.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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With the introduction of the HWMON compatibility layer to the power
supply framework in Linux 5.3, all power supply devices' names can be
used directly to create HWMON devices with the same names.
But HWMON has rules on allowable names that are different from those
used in the power supply framework. The dash character is forbidden, as
it is used by the libsensors library in userspace as a separator,
whereas this character is used in the device names in more than half of
the existing power supply drivers. This last case is consistent with the
typical naming usage with MFD and Device Tree.
This leads to warnings in the kernel log, with the format:
power_supply gpio-charger: hwmon: \
'gpio-charger' is not a valid name attribute, please fix
Add a protection to power_supply_add_hwmon_sysfs() that replaces any
dash in the device name with an underscore when registering with the
HWMON framework. Other forbidden characters (star, slash, space, tab,
newline) are not replaced, as they are not in common use.
Fixes: e67d4dfc9ff1 ("power: supply: Add HWMON compatibility layer")
Signed-off-by: Romain Izard <romain.izard.pro@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Mark switch cases where we are expecting to fall through.
Fix the following warning (Building: allmodconfig arm):
drivers/power/supply/ab8500_charger.c: In function ‘ab8500_charger_max_usb_curr’:
drivers/power/supply/ab8500_charger.c:738:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (di->vbus_detected) {
^
drivers/power/supply/ab8500_charger.c:745:2: note: here
case USB_STAT_HM_IDGND:
^~~~
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
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It has been replaced with the more mature ingenic-battery driver.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Tested-by: Artur Rojek <contact@artur-rojek.eu>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Paul Burton <paul.burton@mips.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:
- add HWMON compat layer
- new properties:
- input power limit
- input voltage limit
Drivers:
- qcom-pon: add gen2 support
- new driver for storing reboot move in NVMEM
- new driver for Wilco EC charger configuration
- simplify getting the adapter of a client"
* tag 'for-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
power: reset: nvmem-reboot-mode: add CONFIG_OF dependency
power_supply: wilco_ec: Add charging config driver
power: supply: cros: allow to set input voltage and current limit
power: supply: add input power and voltage limit properties
power: supply: fix semicolon.cocci warnings
power: reset: nvmem-reboot-mode: use NVMEM as reboot mode write interface
dt-bindings: power: reset: add document for NVMEM based reboot-mode
reset: qcom-pon: Add support for gen2 pon
dt-bindings: power: reset: qcom: Add qcom,pm8998-pon compatibility line
power: supply: Add HWMON compatibility layer
power: supply: sbs-manager: simplify getting the adapter of a client
power: supply: rt9455_charger: simplify getting the adapter of a client
power: supply: rt5033_battery: simplify getting the adapter of a client
power: supply: max17042_battery: simplify getting the adapter of a client
power: supply: max17040_battery: simplify getting the adapter of a client
power: supply: max14656_charger_detector: simplify getting the adapter of a client
power: supply: bq25890_charger: simplify getting the adapter of a client
power: supply: bq24257_charger: simplify getting the adapter of a client
power: supply: bq24190_charger: simplify getting the adapter of a client
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"Enumeration changes:
- Evaluate PCI Boot Configuration _DSM to learn if firmware wants us
to preserve its resource assignments (Benjamin Herrenschmidt)
- Simplify resource distribution (Nicholas Johnson)
- Decode 32 GT/s link speed (Gustavo Pimentel)
Virtualization:
- Fix incorrect caching of VF config space size (Alex Williamson)
- Fix VF driver probing sysfs knobs (Alex Williamson)
Peer-to-peer DMA:
- Fix dma_virt_ops check (Logan Gunthorpe)
Altera host bridge driver:
- Allow building as module (Ley Foon Tan)
Armada 8K host bridge driver:
- add PHYs support (Miquel Raynal)
DesignWare host bridge driver:
- Export APIs to support removable loadable module (Vidya Sagar)
- Enable Relaxed Ordering erratum workaround only on Tegra20 &
Tegra30 (Vidya Sagar)
Hyper-V host bridge driver:
- Fix use-after-free in eject (Dexuan Cui)
Mobiveil host bridge driver:
- Clean up and fix many issues, including non-identify mapped
windows, 64-bit windows, multi-MSI, class code, INTx clearing (Hou
Zhiqiang)
Qualcomm host bridge driver:
- Use clk bulk API for 2.4.0 controllers (Bjorn Andersson)
- Add QCS404 support (Bjorn Andersson)
- Assert PERST for at least 100ms (Niklas Cassel)
R-Car host bridge driver:
- Add r8a774a1 DT support (Biju Das)
Tegra host bridge driver:
- Add support for Gen2, opportunistic UpdateFC and ACK (PCIe protocol
details) AER, GPIO-based PERST# (Manikanta Maddireddy)
- Fix many issues, including power-on failure cases, interrupt
masking in suspend, UPHY settings, AFI dynamic clock gating,
pending DLL transactions (Manikanta Maddireddy)
Xilinx host bridge driver:
- Fix NWL Multi-MSI programming (Bharat Kumar Gogada)
Endpoint support:
- Fix 64bit BAR support (Alan Mikhak)
- Fix pcitest build issues (Alan Mikhak, Andy Shevchenko)
Bug fixes:
- Fix NVIDIA GPU multi-function power dependencies (Abhishek Sahu)
- Fix NVIDIA GPU HDA enablement issue (Lukas Wunner)
- Ignore lockdep for sysfs "remove" (Marek Vasut)
Misc:
- Convert docs to reST (Changbin Du, Mauro Carvalho Chehab)"
* tag 'pci-v5.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (107 commits)
PCI: Enable NVIDIA HDA controllers
tools: PCI: Fix installation when `make tools/pci_install`
PCI: dwc: pci-dra7xx: Fix compilation when !CONFIG_GPIOLIB
PCI: Fix typos and whitespace errors
PCI: mobiveil: Fix INTx interrupt clearing in mobiveil_pcie_isr()
PCI: mobiveil: Fix infinite-loop in the INTx handling function
PCI: mobiveil: Move PCIe PIO enablement out of inbound window routine
PCI: mobiveil: Add upper 32-bit PCI base address setup in inbound window
PCI: mobiveil: Add upper 32-bit CPU base address setup in outbound window
PCI: mobiveil: Mask out hardcoded bits in inbound/outbound windows setup
PCI: mobiveil: Clear the control fields before updating it
PCI: mobiveil: Add configured inbound windows counter
PCI: mobiveil: Fix the valid check for inbound and outbound windows
PCI: mobiveil: Clean-up program_{ib/ob}_windows()
PCI: mobiveil: Remove an unnecessary return value check
PCI: mobiveil: Fix error return values
PCI: mobiveil: Refactor the MEM/IO outbound window initialization
PCI: mobiveil: Make some register updates more readable
PCI: mobiveil: Reformat the code for readability
dt-bindings: PCI: mobiveil: Change gpio_slave and apb_csr to optional
...
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Core Frameworks:
- Set 'struct device' fwnode when registering a new device
New Drivers:
- Add support for ROHM BD70528 PMIC
New Device Support:
- Add support for LP87561 4-Phase Regulator to TI LP87565 PMIC
- Add support for RK809 and RK817 to Rockchip RK808
- Add support for Lid Angle to ChromeOS core
- Add support for CS47L15 CODEC to Madera core
- Add support for CS47L92 CODEC to Madera core
- Add support for ChromeOS (legacy) Accelerometers in ChromeOS core
- Add support for Add Intel Elkhart Lake PCH to Intel LPSS
New Functionality:
- Provide regulator supply information when registering; madera-core
- Additional Device Tree support; lp87565, madera, cros-ec, rohm,bd71837-pmic
- Allow over-riding power button press via Device Tree; rohm-bd718x7
- Differentiate between running processors; cros_ec_dev
Fix-ups:
- Big header file update; cros_ec_commands.h
- Split header per-subsystem; rohm-bd718x7
- Remove superfluous code; menelaus, cs5535-mfd, cs47lXX-tables
- Trivial; sorting, coding style; intel-lpss-pci
- Only remove Power Off functionality if set locally; rk808
- Make use for Power Off Prepare(); rk808
- Fix spelling mistake in header guards; stmfx
- Properly free IDA resources
- SPDX fixups; cs47lXX-tables, madera
- Error path fixups; hi655x-pmic
Bug Fixes:
- Add missing break in case() statement
- Repair undefined behaviour when not initialising variables; arizona-core, madera-core
- Fix reference to Device Tree documentation; madera"
* tag 'mfd-next-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (45 commits)
mfd: hi655x-pmic: Fix missing return value check for devm_regmap_init_mmio_clk
mfd: madera: Fixup SPDX headers
mfd: madera: Remove some unused registers and fix some defaults
mfd: intel-lpss: Release IDA resources
mfd: intel-lpss: Add Intel Elkhart Lake PCH PCI IDs
mfd: cs5535-mfd: Remove ifdef OLPC noise
mfd: stmfx: Fix macro definition spelling
dt-bindings: mfd: Add link to ROHM BD71847 Datasheet
MAINAINERS: Swap words in INTEL PMIC MULTIFUNCTION DEVICE DRIVERS
mfd: cros_ec_dev: Register cros_ec_accel_legacy driver as a subdevice
mfd: rk808: Prepare rk805 for poweroff
mfd: rk808: Check pm_power_off pointer
mfd: cros_ec: differentiate SCP from EC by feature bit
dt-bindings: Add binding for cros-ec-rpmsg
mfd: madera: Add Madera core support for CS47L92
mfd: madera: Add Madera core support for CS47L15
mfd: madera: Update DT bindings to add additional CODECs
mfd: madera: Add supply mapping for MICVDD
mfd: madera: Fix potential uninitialised use of variable
mfd: madera: Fix bad reference to pinctrl.txt file
...
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git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Andy Shevchenko:
"Gathered a bunch of x86 platform driver changes. It's rather big,
since includes two big refactors and completely new driver:
- ASUS WMI driver got a big refactoring in order to support the TUF
Gaming laptops. Besides that, the regression with backlight being
permanently off on various EeePC laptops has been fixed.
- Accelerometer on HP ProBook 450 G0 shows wrong measurements due to
X axis being inverted. This has been fixed.
- Intel PMC core driver has been extended to be ACPI enumerated if
the DSDT provides device with _HID "INT33A1". This allows to
convert the driver to be pure platform and support new hardware
purely based on ACPI DSDT.
- From now on the Intel Speed Select Technology is supported thru a
corresponding driver. This driver provides an access to the
features of the ISST, such as Performance Profile, Core Power, Base
frequency and Turbo Frequency.
- Mellanox platform drivers has been refactored and now extended to
support more systems, including new coming ones.
- The OLPC XO-1.75 platform is now supported.
- CB4063 Beckhoff Automation board is using PMC clocks, provided via
pmc_atom driver, for ethernet controllers in a way that they can't
be managed by the clock driver. The quirk has been extended to
cover this case.
- Touchscreen on Chuwi Hi10 Plus tablet has been enabled. Meanwhile
the information of Chuwi Hi10 Air has been fixed to cover more
models based on the same platform.
- Xiaomi notebooks have WMI interface enabled. Thus, the driver to
support it has been provided. It required some extension of the
generic WMI library, which allows to propagate opaque context to
the ->probe() of the individual drivers.
This release includes debugfs clean up from Greg KH for several
drivers that drop return code check and make debugfs absence or
failure non-fatal.
Also miscellaneous fixes here and there, mostly for Acer WMI and
various Intel drivers"
* tag 'platform-drivers-x86-v5.3-1' of git://git.infradead.org/linux-platform-drivers-x86: (74 commits)
platform/x86: Fix PCENGINES_APU2 Kconfig warning
tools/power/x86/intel-speed-select: Add .gitignore file
platform/x86: mlx-platform: Fix error handling in mlxplat_init()
platform/x86: intel_pmc_core: Attach using APCI HID "INT33A1"
platform/x86: intel_pmc_core: transform Pkg C-state residency from TSC ticks into microseconds
platform/x86: asus-wmi: Use dev_get_drvdata()
Documentation/ABI: Add new attribute for mlxreg-io sysfs interfaces
platform/x86: mlx-platform: Add more reset cause attributes
platform/x86: mlx-platform: Modify DMI matching order
platform/x86: mlx-platform: Add regmap structure for the next generation systems
platform/x86: mlx-platform: Change API for i2c-mlxcpld driver activation
platform/x86: mlx-platform: Move regmap initialization before all drivers activation
MAINTAINERS: Update for Intel Speed Select Technology
tools/power/x86: A tool to validate Intel Speed Select commands
platform/x86: ISST: Restore state on resume
platform/x86: ISST: Add Intel Speed Select PUNIT MSR interface
platform/x86: ISST: Add Intel Speed Select mailbox interface via MSRs
platform/x86: ISST: Add Intel Speed Select mailbox interface via PCI
platform/x86: ISST: Add Intel Speed Select mmio interface
platform/x86: ISST: Add IOCTL to Translate Linux logical CPU to PUNIT CPU number
...
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Without CONFIG_OF, we get a build failure in the reboot-mode
implementation:
drivers/power/reset/reboot-mode.c: In function 'reboot_mode_register':
drivers/power/reset/reboot-mode.c:72:2: error: implicit declaration of function 'for_each_property_of_node'; did you mean 'for_each_child_of_node'? [-Werror=implicit-function-declaration]
for_each_property_of_node(np, prop) {
Add a Kconfig dependency like we have for the other users of
CONFIG_REBOOT_MODE.
Fixes: 7a78a7f7695b ("power: reset: nvmem-reboot-mode: use NVMEM as reboot mode write interface")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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