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The USB charger status can be notified before the charger driver registers
the USB phy notifier, so we should check the charger status in probe() in
case we missed the USB charger notification.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Since the USB notifier context is atomic, we can not start or stop charging
in atomic context. Thus this patch adds one work to help to charge or
discharge.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Remove at91_ramc_of_match[] since it is not used anywhere in this code.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Use only one poweroff function and adapt it to work for both scenarios
(with LPDDR or not). The assignement of pm_power_off was moved at the
end of probe after all initializations are OK. This patch adapt the idea
from commit 4e018c1e9b05 ("power: reset: at91-poweroff: use only one
poweroff function").
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The bq24196 is another variant of the bq24190 charger ic.
Its register set is identical to the bq24192 and it even reuses
the same part number (0x5).
Signed-off-by: Heiko Stuebner <heiko.stuebner@bq.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Add extcon support so that we can notify USB drivers of cable state
changes. Based on work from Jonathan Marek. USB OTG was tested on a LG
Nexus 5 (hammerhead) phone.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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This patch adds an of_match for the usb-otg-vbus regulator to
bq24190_charger.
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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This patch adds support for the bq24192 variant to bq24190_charger.
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
[masneyb@onstation.org: Changed if statement to a switch based on
feedback from Sebastian Reichel.]
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Switch the SI to boot mode so on a warm reboot, the SI is able to access
the flash.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Similar to gpio-reset allow to specify active and inactive delays
while keeping the 100ms defaults that were used previously all the time.
The dt-properties are named the same as in gpio-reset but get an "-ms"
suffix as properties should contain such a suffix specifying its unit.
Signed-off-by: Heiko Stuebner <heiko.stuebner@bq.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Make code more readable.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Fix incorrect return value.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Fix some misspelled words.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Remove unused index counting.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Trivial fix to clean up indentation issue, remove an extraneous tab
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Immutable branch between mfd and power-supply for driver
changes related to axp813.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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AXP813 and AXP803 PMICs can control input current and minimum voltage.
Both of these values are configurable.
Signed-off-by: Oskari Lemmela <oskari@lemmela.net>
Reviewed-by: Quentin Schulz <quentin.schulz@bootlin.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Make use of the recommended BIT() macro for bit defines.
Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>
Signed-off-by: Priit Laes <plaes@plaes.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The axp20x_usb_power driver uses BIT() operations but lacks the include
for it. Include the bitops.h header file.
Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>
Signed-off-by: Priit Laes <plaes@plaes.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Don't populate the array cpcap_battery_irqs on the stack but instead
make it static. Makes the object code smaller by 99 bytes:
Before:
text data bss dec hex filename
13673 2448 0 16121 3ef9 cpcap-battery.o
After:
text data bss dec hex filename
13510 2512 0 16022 3e96 cpcap-battery.o
(gcc version 8.2.0 x86_64)
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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In preparation to remove the node name pointer from struct device_node,
convert printf users to use the %pOFn format specifier.
Cc: Sebastian Reichel <sre@kernel.org>
Cc: linux-pm@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
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According to [1] and [2], the temperature values are in tenths of degree
Celsius. Exposing the Celsius value makes the battery appear on fire:
$ upower -i /org/freedesktop/UPower/devices/battery_olpc_battery
...
temperature: 236.9 degrees C
Tested on OLPC XO-1 and OLPC XO-1.75 laptops.
[1] include/linux/power_supply.h
[2] Documentation/power/power_supply_class.txt
Fixes: fb972873a767 ("[BATTERY] One Laptop Per Child power/battery driver")
Cc: stable@vger.kernel.org
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Fix build errors when FUEL_GUAGE_SC27XX is enabled but IIO is either
not enabled or IIO=m and FUEL_GUAGE_SC27XX=y.
ld: drivers/power/supply/sc27xx_fuel_gauge.o: in function `sc27xx_fgu_get_temp':
sc27xx_fuel_gauge.c:(.text+0x1d2): undefined reference to `iio_read_channel_processed'
ld: drivers/power/supply/sc27xx_fuel_gauge.o: in function `sc27xx_fgu_probe':
sc27xx_fuel_gauge.c:(.text+0x97f): undefined reference to `devm_iio_channel_get'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: linux-pm@vger.kernel.org
Acked-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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This patch adds the Spreadtrum SC27XX serial PMICs fuel gauge support,
which is used to calculate the battery capacity.
Original-by: Yuanjiang Yu <yuanjiang.yu@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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We have introduced some battery properties to present the OCV table
temperatures and OCV capacity table values. Thus this patch add OCV
temperature and OCV table for battery information, as well as providing
some helper functions to use the OCV capacity table for users.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Add one field for 'struct power_supply_battery_info' to present the battery
factory internal resistance.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Pull Devicetree updates from Rob Herring:
"A bit bigger than normal as I've been busy this cycle.
There's a few things with dependencies and a few things subsystem
maintainers didn't pick up, so I'm taking them thru my tree.
The fixes from Johan didn't get into linux-next, but they've been
waiting for some time now and they are what's left of what subsystem
maintainers didn't pick up.
Summary:
- Sync dtc with upstream version v1.4.7-14-gc86da84d30e4
- Work to get rid of direct accesses to struct device_node name and
type pointers in preparation for removing them. New helpers for
parsing DT cpu nodes and conversions to use the helpers. printk
conversions to %pOFn for printing DT node names. Most went thru
subystem trees, so this is the remainder.
- Fixes to DT child node lookups to actually be restricted to child
nodes instead of treewide.
- Refactoring of dtb targets out of arch code. This makes the support
more uniform and enables building all dtbs on c6x, microblaze, and
powerpc.
- Various DT binding updates for Renesas r8a7744 SoC
- Vendor prefixes for Facebook, OLPC
- Restructuring of some ARM binding docs moving some peripheral
bindings out of board/SoC binding files
- New "secure-chosen" binding for secure world settings on ARM
- Dual licensing of 2 DT IRQ binding headers"
* tag 'devicetree-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (78 commits)
ARM: dt: relicense two DT binding IRQ headers
power: supply: twl4030-charger: fix OF sibling-node lookup
NFC: nfcmrvl_uart: fix OF child-node lookup
net: stmmac: dwmac-sun8i: fix OF child-node lookup
net: bcmgenet: fix OF child-node lookup
drm/msm: fix OF child-node lookup
drm/mediatek: fix OF sibling-node lookup
of: Add missing exports of node name compare functions
dt-bindings: Add OLPC vendor prefix
dt-bindings: misc: bk4: Add device tree binding for Liebherr's BK4 SPI bus
dt-bindings: thermal: samsung: Add SPDX license identifier
dt-bindings: clock: samsung: Add SPDX license identifiers
dt-bindings: timer: ostm: Add R7S9210 support
dt-bindings: phy: rcar-gen2: Add r8a7744 support
dt-bindings: can: rcar_can: Add r8a7744 support
dt-bindings: timer: renesas, cmt: Document r8a7744 CMT support
dt-bindings: watchdog: renesas-wdt: Document r8a7744 support
dt-bindings: thermal: rcar: Add device tree support for r8a7744
Documentation: dt: Add binding for /secure-chosen/stdout-path
dt-bindings: arm: zte: Move sysctrl bindings to their own doc
...
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Use the new of_get_compatible_child() helper to lookup the usb sibling
node instead of using of_find_compatible_node(), which searches the
entire tree from a given start node and thus can return an unrelated
(non-sibling) node.
This also addresses a potential use-after-free (e.g. after probe
deferral) as the tree-wide helper drops a reference to its first
argument (i.e. the parent device node).
While at it, also fix the related phy-node reference leak.
Fixes: f5e4edb8c888 ("power: twl4030_charger: find associated phy by more reliable means.")
Cc: stable <stable@vger.kernel.org> # 4.2
Cc: NeilBrown <neilb@suse.de>
Cc: Felipe Balbi <felipe.balbi@linux.intel.com>
Cc: Sebastian Reichel <sre@kernel.org>
Reviewed-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Addresses-Coverity-ID: 201510 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Trivial fix to spelling mistake in MODULE_DESCRIPTION text
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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omap_sr_register_pmic() was introduced in 2010 in commit
984aa6dbf4ca ("OMAP3: PM: Adding smartreflex driver support.")
. There was never any caller of this function in mainline resulting in a
warning
sr_init: No PMIC hook to init smartreflex
for each machine where this driver is enabled. So remove the unused
function and the pr_warn.
Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Update the binding and driver for pms405 pon.
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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According to the datasheet, bq27411 is similar to bq27421.
Signed-off-by: Liu Xiang <liu.xiang6@zte.com.cn>
Reviewed-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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This patch adds the SC2731 PMIC switch charger support.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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This avoids getting woken up from suspend after power interruptions
when the bci wrongly thinks the battery is full just because
of input current going low because of low input power
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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the charging current uses unsigned int variables, if we step back
if the current is still low, we would run into negative which
means setting the target to a huge value.
Better add checks here.
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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drivers/power/supply/bq25890_charger.c:614:2-3: Unneeded semicolon
drivers/power/supply/bq25890_charger.c:621:2-3: Unneeded semicolon
drivers/power/supply/bq25890_charger.c:630:3-4: Unneeded semicolon
drivers/power/supply/bq25890_charger.c:638:2-3: Unneeded semicolon
drivers/power/supply/bq25890_charger.c:644:2-3: Unneeded semicolon
Remove unneeded semicolon.
Generated by: scripts/coccinelle/misc/semicolon.cocci
Fixes: 9d9ae3414d1b ("power: supply: bq25890_charger: Add debugging output of failed initialization")
CC: Angus Ainslie (Purism) <angus@akkea.ca>
Signed-off-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Since the max8998 MFD driver supports instantiation by DT, platform data
retrieval is handled in MFD probe and cell drivers should get use
the pdata field of max8998_dev struct to obtain them.
Fixes: ee999fb3f17f ("mfd: max8998: Add support for Device Tree")
Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Immutable branch for mfd and power-supply for v4.20
Immutable branch between mfd and power-supply for driver
changes in CROS USBPD charger driver.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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ChromeOS devices can have one optional dedicated port.
The Dedicated port is unique and similar to the USB PD ports
except that it doesn't support as many properties.
The presence of a dedicated port is determined from whether the
EC's charger port count is equal to 'number of USB PD port' + 1.
The dedicated port ID is always the last valid port ID.
This commit keeps compatibility with Embedded Controllers that do not
support the new EC_CMD_CHARGE_PORT_COUNT command by setting
the number of charger port to be equal to the number of USB PD port
when this command fails.
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Immutable branch for mach-at91 and power-supply for v4.20
Immutable branch between mach-at91 and power-supply for driver
changes in at91-poweroff.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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There should be only one instance of struct shdwc in the system. This is
referenced through at91_shdwc. Return in probe if at91_shdwc is already
allocated.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Rename at91_shdwc_base member of struct shdwc to shdwc_base. There is
already an "at91" string in at91_shdwc object.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Make sclk part of struct shdwc to have all the data specific to SHDWC
grouped together in one structure.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Make mpddrc_base part of struct shdwc since there is also only one
instance of struct shdwc *at91_shdwc in system and to have all data
specific to SHDWC grouped together.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Use only one poweroff function for sama5d2 and adapt it to work for both
scenarios (having LPDDR or not).
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The SAMA5D2 NRST input signal is resynchronized with the SLCK clock and it
can take up to 2 SLCK cycles (about 90us) for the internal reset to be
effective. During this delay, the VDDCORE current consumption may still be
high (application-dependent) with the VDDCORE regulator already OFF. Under
such conditions, VDDCORE may operate below its operating range leading to
potential register corruption.
To prevent such situation, it is recommended to decrease significantly the
power consumption of the device once the voltage regulator is turned-off.
This can be achieved by operating the device at a much lower low frequency.
To solve this switch the master clock to slock clock just before writing
shutdown command to shutdown controller.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Suggested-by: Patrice Vilchez <patrice.vilchez@microchip.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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This patch updates license to use SPDX-License-Identifier
instead of verbose license text.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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If kstrtoul() fails then we print "charge_full" when it's uninitialized.
The debug printk doesn't add anything so I deleted it and cleaned these
two functions up a bit.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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This adds rate limiting to the message that is printed when reading a
power supply property via sysfs returns an error. This will prevent
userspace applications from unintentionally dDOSing the system by
continuously reading a property that returns an error.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Baolin Wang
Claudiu.Beznea@microchip.com
Heiko Stuebner
Brian Masney
Jonathan Marek
Alexandre Belloni
Colin Ian King
Sebastian Reichel
Oskari Lemmela
Olliver Schinagl
Rob Herring
Lubomir Rintel
Randy Dunlap
Linus Torvalds
Johan Hovold
Gustavo A. R. Silva
Uwe Kleine-König
Vinod Koul
Liu Xiang
Andreas Kemnade
kbuild test robot
Tomasz Figa
Fabien Parent
Kuninori Morimoto
Dan Carpenter
David Lechner