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Convert the binding to DT schema format.
Cc: David Lechner <david@lechnology.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: David Lechner <david@lechnology.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Convert the binding to DT schema format.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Rejected-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Convert the binding to DT schema format. I also added the missing bits
used by the only in-tree user and implemented in the driver.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Convert the binding to DT schema format. I also added the missing bits
used by the only in-tree user and implemented in the driver.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Change 'stanalone' to 'standalone'
Change 'mesaurement' to 'measurement'
Change 'nonvilatile' to 'nonvolatile'
Change 'unical' to 'unique'
Change 'unaccesable' to 'unaccessible'
Change 'correcpondent' to 'correspond'
Signed-off-by: Xiaofeng Cao <caoxiaofeng@yulong.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Use kobj_to_dev() instead of open-coding it
Signed-off-by: dongjian <dongjian@yulong.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Add support for TI BQ78Z100, I2C interface gas gauge.
It provides a fully integrated safety protection
and authentication for 1 to 2-series cell Li-Ion and
Li-Polymer battery packs.
The patch was tested with BQ78Z100 equipment.
CASE I: Discharging:
POWER_SUPPLY_NAME=bq78z100-0
POWER_SUPPLY_STATUS=Discharging
POWER_SUPPLY_PRESENT=1
POWER_SUPPLY_VOLTAGE_NOW=3386000
POWER_SUPPLY_CURRENT_NOW=-5000
POWER_SUPPLY_CAPACITY=27
POWER_SUPPLY_CAPACITY_LEVEL=Normal
POWER_SUPPLY_TEMP=269
POWER_SUPPLY_TIME_TO_EMPTY_NOW=1249920
POWER_SUPPLY_TECHNOLOGY=Li-ion
POWER_SUPPLY_CHARGE_FULL=6494000
POWER_SUPPLY_CHARGE_NOW=1736000
POWER_SUPPLY_CHARGE_FULL_DESIGN=6000000
POWER_SUPPLY_CYCLE_COUNT=1
POWER_SUPPLY_POWER_AVG=-20000
POWER_SUPPLY_HEALTH=Good
POWER_SUPPLY_MANUFACTURER=Texas Instruments
CASE II : No discharging current:
POWER_SUPPLY_NAME=bq78z100-0
POWER_SUPPLY_STATUS=Not charging
POWER_SUPPLY_PRESENT=1
POWER_SUPPLY_VOLTAGE_NOW=3386000
POWER_SUPPLY_CURRENT_NOW=0
POWER_SUPPLY_CAPACITY=27
POWER_SUPPLY_CAPACITY_LEVEL=Normal
POWER_SUPPLY_TEMP=270
POWER_SUPPLY_TECHNOLOGY=Li-ion
POWER_SUPPLY_CHARGE_FULL=6494000
POWER_SUPPLY_CHARGE_NOW=1734000
POWER_SUPPLY_CHARGE_FULL_DESIGN=6000000
POWER_SUPPLY_CYCLE_COUNT=1
POWER_SUPPLY_POWER_AVG=0
POWER_SUPPLY_HEALTH=Good
POWER_SUPPLY_MANUFACTURER=Texas Instruments
Signed-off-by: LI Qingwu <Qing-wu.Li@leica-geosystems.com.cn>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Add bindings for TI BQ78Z100. An I2C interface gas gauge.
It provides a fully integrated safety protection
and authentication for 1 to 2-series cell Li-Ion and
Li-Polymer battery packs.
Signed-off-by: LI Qingwu <Qing-wu.Li@leica-geosystems.com.cn>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
There are multiple issues in bq27xxx_battery_status():
- On BQ28Q610 is was observed that the "full" flag may be set even while
the battery is charging or discharging. With the current logic to make
"full" override everything else, it look a very long time (>20min) for
the status to change from "full" to "discharging" after unplugging the
supply on a device with low power consumption
- The POWER_SUPPLY_STATUS_NOT_CHARGING check depends on
power_supply_am_i_supplied(), which will not work when the supply
doesn't exist as a separate device known to Linux
We can solve both issues by deriving the status from the current instead
of the flags field. The flags are now only used to distinguish "full"
from "not charging", and to determine the sign of the current on
BQ27XXX_O_ZERO devices.
Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
On all newer bq27xxx ICs, the AveragePower register contains a signed
value; in addition to handling the raw value as unsigned, the driver
code also didn't convert it to µW as expected.
At least for the BQ28Z610, the reference manual incorrectly states that
the value is in units of 1mW and not 10mW. I have no way of knowing
whether the manuals of other supported ICs contain the same error, or if
there are models that actually use 1mW. At least, the new code shouldn't
be *less* correct than the old version for any device.
power_avg is removed from the cache structure, se we don't have to
extend it to store both a signed value and an error code. Always getting
an up-to-date value may be desirable anyways, as it avoids inconsistent
current and power readings when switching between charging and
discharging.
Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Commit cd060b4d08 ("power: supply: bq27xxx: fix polarity of current_now")
changed the sign of current_now for all bq27xxx variants, but on BQ28Z610
I'm now seeing negated values *with* that patch.
The GTA04/Openmoko device that was used for testing uses a BQ27000 or
BQ27010 IC, so I assume only the BQ27XXX_O_ZERO code path was incorrect.
Revert the behaviour for newer ICs.
Fixes: cd060b4d08 "power: supply: bq27xxx: fix polarity of current_now"
Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
There are two regmap_update_bits() calls but only one of them has
return value check, which is odd. Add a return value check and
terminate the execution flow on failure just like the other call.
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
The kernel test robot reports an unused variable in the
Z2 battery code caused by a recent commit.
Fixes: a3b4388ea1 ("power: supply: z2_battery: Convert to GPIO descriptors")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Fix build error when CONFIG_POWER_SUPPLY is not enabled.
The build error occurs in mips (cavium_octeon_defconfig).
mips-linux-gnu-ld: drivers/usb/dwc3/core.o: in function `dwc3_remove':
drivers/usb/dwc3/core.c:1657: undefined reference to `power_supply_put'
mips-linux-gnu-ld: drivers/usb/dwc3/core.o: in function `dwc3_get_properties':
drivers/usb/dwc3/core.c:1270: undefined reference to `power_supply_get_by_name'
mips-linux-gnu-ld: drivers/usb/dwc3/core.o: in function `dwc3_probe':
drivers/usb/dwc3/core.c:1632: undefined reference to `power_supply_put'
Fixes: 59fa3def35de ("usb: dwc3: add a power supply for current control")
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Ray Chi <raychi@google.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Improve formatting of the code by removing unnecessary whitespaces.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
A previous commit attempted to fix IRQ usage in a case where interrupt
is failed to initialize, but it missed couple more cases that could be
improved. The interrupt could be undefined and then everything related
to interrupt shouldn't be touched by driver. Secondly, we shouldn't ignore
errors that aren't directly related to enabling interrupt in hardware,
like enabling h/w write-access or requesting interrupt. Improve interrupt
initialization in the driver in order to handle the missing cases.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
The "pdata" local variable is not used in suspend/resume handlers since
commit 7776bcd241 ("power: supply: s3c-adc-battery: Convert to GPIO
descriptors"):
drivers/power/supply/s3c_adc_battery.c: In function ‘s3c_adc_bat_suspend’:
drivers/power/supply/s3c_adc_battery.c:405:28: warning: unused variable ‘pdata’ [-Wunused-variable]
drivers/power/supply/s3c_adc_battery.c: In function ‘s3c_adc_bat_resume’:
drivers/power/supply/s3c_adc_battery.c:422:28: warning: unused variable ‘pdata’ [-Wunused-variable]
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
The S3C ADC battery driver is a very old piece of code but still used by
(very old as well) S3C24xx platforms (iPAQ h1930/h1940/rx1950).
Currently the header file is not covered by maintainers file, so it
might look abandoned. Add a new entry for entire S3C ADC battery driver
with Krzysztof Kozlowski as maintainer (as Krzysztof maintains still
Samsung S3C24xx platform) to indicate that some basic review can take
place.
However considering that the S3C24xx platform is quite old with only few
users currently and Krzysztof does not have the actual hardware, let's
mark the driver as "Odd fixes".
Cc: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
CHARGE_NOW is expected by some user software (such as waybar)
instead of 'CAPACITY', in order to correctly calculate remaining battery
life.
Signed-off-by: Martin Ashby <martin@ashbysoft.com>
Reviewed-by: Tobias Schramm <t.schramm@manjaro.org>
Tested-by: Tobias Schramm <t.schramm@manjaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
- Fix corner cases in the rxe reference counting cleanup that are causing
regressions in blktests for SRP
- Two kdoc fixes so W=1 is clean
- Missing error return in error unwind for mlx5
- Wrong lock type nesting in IB CM
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"Nothing special here, though Bob's regression fixes for rxe would have
made it before the rc cycle had there not been such strong winter
weather!
- Fix corner cases in the rxe reference counting cleanup that are
causing regressions in blktests for SRP
- Two kdoc fixes so W=1 is clean
- Missing error return in error unwind for mlx5
- Wrong lock type nesting in IB CM"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/rxe: Fix errant WARN_ONCE in rxe_completer()
RDMA/rxe: Fix extra deref in rxe_rcv_mcast_pkt()
RDMA/rxe: Fix missed IB reference counting in loopback
RDMA/uverbs: Fix kernel-doc warning of _uverbs_alloc
RDMA/mlx5: Set correct kernel-doc identifier
IB/mlx5: Add missing error code
RDMA/rxe: Fix missing kconfig dependency on CRYPTO
RDMA/cm: Fix IRQ restore in ib_send_cm_sidr_rep
- Fix coding style issues (Jason Yan)
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Merge tag 'gcc-plugins-v5.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull gcc-plugins fixes from Kees Cook:
"Tiny gcc-plugin fixes for v5.12-rc2. These issues are small but have
been reported a couple times now by static analyzers, so best to get
them fixed to reduce the noise. :)
- Fix coding style issues (Jason Yan)"
* tag 'gcc-plugins-v5.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
gcc-plugins: latent_entropy: remove unneeded semicolon
gcc-plugins: structleak: remove unneeded variable 'ret'
Reed-Solomon roots that are unaligned to block size.
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Merge tag 'for-5.12/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
"Fix DM verity target's optional Forward Error Correction (FEC) for
Reed-Solomon roots that are unaligned to block size"
* tag 'for-5.12/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm verity: fix FEC for RS roots unaligned to block size
dm bufio: subtract the number of initial sectors in dm_bufio_get_device_size
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Merge tag 'block-5.12-2021-03-05' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- NVMe fixes:
- more device quirks (Julian Einwag, Zoltán Böszörményi, Pascal
Terjan)
- fix a hwmon error return (Daniel Wagner)
- fix the keep alive timeout initialization (Martin George)
- ensure the model_number can't be changed on a used subsystem
(Max Gurtovoy)
- rsxx missing -EFAULT on copy_to_user() failure (Dan)
- rsxx remove unused linux.h include (Tian)
- kill unused RQF_SORTED (Jean)
- updated outdated BFQ comments (Joseph)
- revert work-around commit for bd_size_lock, since we removed the
offending user in this merge window (Damien)
* tag 'block-5.12-2021-03-05' of git://git.kernel.dk/linux-block:
nvmet: model_number must be immutable once set
nvme-fabrics: fix kato initialization
nvme-hwmon: Return error code when registration fails
nvme-pci: add quirks for Lexar 256GB SSD
nvme-pci: mark Kingston SKC2000 as not supporting the deepest power state
nvme-pci: mark Seagate Nytro XM1440 as QUIRK_NO_NS_DESC_LIST.
rsxx: Return -EFAULT if copy_to_user() fails
block/bfq: update comments and default value in docs for fifo_expire
rsxx: remove unused including <linux/version.h>
block: Drop leftover references to RQF_SORTED
block: revert "block: fix bd_size_lock use"
