SmartReflex driver interface is natively divided to two parts:
- external SmartReflex interface
- interface between SmartReflex driver and SmartReflex Class
Functions which belong to AVS class interface can use
struct omap_sr* instead of struct voltatedomain*, to provide a
direct connection between SR driver and SR class. This allows
us to optimize and not do additional lookups where none is
required.
sr_disable_errgen() and sr_configure_errgen() are interface
functions between SR driver and SR class. They are typically
used by Class driver to configure error generator module during
SmartReflex enable/disable sequence.
Now they take struct omap_sr* as input parameter.
Signed-off-by: Andrii Tseglytskyi <andrii.tseglytskyi@ti.com>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
DRIVER_NAME was undefined for SmartReflex. Now it is
defined with valid value "smartreflex". It is needed
to define proper value for:
MODULE_ALIAS("platform:" DRIVER_NAME);
Signed-off-by: Andrii Tseglytskyi <andrii.tseglytskyi@ti.com>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
Runtime PM should be disabled for device on driver remove,
otherwise runtime PM will be not balanced, and this will cause
an error message, on next driver probe.
Signed-off-by: Andrii Tseglytskyi <andrii.tseglytskyi@ti.com>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
vpboundsintr_en is available inside the IP block as an re-sycned
version and one which is not. Due to this, there is an 1 sysclk
cycle window where the SR_SInterruptz signal could be asserted low.
IF, intr_en is cleared on the exact same cycle as the irqclr, an
additional pulse is generated which indicates for VP that
an additional adjustment of voltage is required.
This results in VP doing two voltage adjustments for the SRERR
(based on configuration, upto 4 steps), instead of the needed
1 step.
Due to the unexpected pulse from AVS which breaks the AVS-VP
communication protocol, VP also ends up in a stuck condition by
entering a state where VP module remains non-responsive
to any futher AVS adjustment events. This creates the symptom
called "TRANXDONE Timeout" scenario.
By disabling errgen prior to disable of intr_en, this situation
can be avoided.
Signed-off-by: Vincent Bour <v-bour@ti.com>
Signed-off-by: Leonardo Affortunati <l-affortunati@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Andrii.Tseglytskyi <andrii.tseglytskyi@ti.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
Make sure that dev_<level> calls are newline terminated.
Add #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt to prefix
all pr_<level> calls with "charger-manager: "
Fix a couple of typos.
Fix formats with terminating n that should be \n.
Coalesce formats for easier grep.
Align arguments to open parenthesis for these dev_<level> calls.
Add missing spaces after coalescing multiple string segments.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
The VACG interrupt was not being enabled. Thus, interrupts were never
generated when AC status changes. In addition, interrupts were never
cleared after taking and processing the interrupt.
Added the register offset for the INTR_MASK register, since this is needed
to unmask the VACG interrupt.
Enabled the VACG interrupt in tps65090_config_charger().
Cleared interrupts after processing, in tps65090_charger_isr().
Also removed unused variable "enable" in tps65090_enable_charging(), and
fixed a typo in one of the dev_err() prints.
Signed-off-by: Andrew Chew <achew@nvidia.com>
Tested-by: Rhyland Klein <rklein@nvidia.com>
Acked-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
The exposed interface for cm_notify_event() could result in the event msg
string being parsed as a format string. Make sure it is only used as a
literal string.
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: stable@vger.kernel.org
Cc: Anton Vorontsov <cbou@mail.ru>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
The usage of strict_strtoul() is not preferred, because strict_strtoul()
is obsolete. Thus, kstrtoul() should be used.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
If none of the channels are supported, index is 0. Also ensure to return
error code instead of 0 in goto second_mem_fail path.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: anish kumar <anish198519851985@gmail.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Use the wrapper functions for getting and setting the driver data using
platform_device instead of using dev_{get,set}_drvdata() with &pdev->dev,
so we can directly pass a struct platform_device.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Return error instead of 0 if create_singlethread_workqueue call fails.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Add checking pl_data in probe, this prevent possible NULL pointer
dereference. Also fix NULL pointer deference in dev_err when allocate
memory for pm2 fails.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
The interrupt and charging parameters are configurable in the device tree
structure. In the board test, a GPIO is used for handling LP8727
interrupts. The device tree binding documentation is added also.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
The driver core clears the driver data to NULL after device_release or on
probe failure, since commit 0998d06310
(device-core: Ensure drvdata = NULL when no driver is bound). Thus, it is
not needed to manually clear the device driver data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
The driver core clears the driver data to NULL after device_release or on
probe failure, since commit 0998d06310
(device-core: Ensure drvdata = NULL when no driver is bound). Thus, it is
not needed to manually clear the device driver data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
The driver core clears the driver data to NULL after device_release or on
probe failure, since commit 0998d06310
(device-core: Ensure drvdata = NULL when no driver is bound). Thus, it is
not needed to manually clear the device driver data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
The driver core clears the driver data to NULL after device_release or on
probe failure, since commit 0998d06310
(device-core: Ensure drvdata = NULL when no driver is bound). Thus, it is
not needed to manually clear the device driver data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
The driver core clears the driver data to NULL after device_release or on
probe failure, since commit 0998d06310
(device-core: Ensure drvdata = NULL when no driver is bound). Thus, it is
not needed to manually clear the device driver data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
The driver core clears the driver data to NULL after device_release or on
probe failure, since commit 0998d06310
(device-core: Ensure drvdata = NULL when no driver is bound). Thus, it is
not needed to manually clear the device driver data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
The driver core clears the driver data to NULL after device_release or on
probe failure, since commit 0998d06310
(device-core: Ensure drvdata = NULL when no driver is bound). Thus, it is
not needed to manually clear the device driver data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
The driver core clears the driver data to NULL after device_release or on
probe failure, since commit 0998d06310
(device-core: Ensure drvdata = NULL when no driver is bound). Thus, it is
not needed to manually clear the device driver data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
This driver is a i2c driver, use "i2c" rather than "platform" prefix for
module alias.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
devdata->backup.name points to devdata->name, the memory for devdata->name
is part of struct wm831x_backup. Thus remove kfree call for
devdata->backup.name.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
This patch fixes build failure(randconfig) of next-20130501. When config
I2C as m, BATTERY_BQ27x00 as y, here comes the failure. The driver depends
on I2C only if I2C is not disabled, as Lars commented. Last version of
this patch make the driver depend on I2C unconditionally.
Failure message:
drivers/built-in.o: In function `bq27x00_read_i2c':
bq27x00_battery.c:(.text+0x1082a7): undefined reference to `i2c_transfer'
drivers/built-in.o: In function `bq27x00_battery_init':
bq27x00_battery.c:(.init.text+0x6085): undefined reference to `i2c_register_driver'
bq27x00_battery.c:(.init.text+0x60c7): undefined reference to `i2c_del_driver'
drivers/built-in.o: In function `bq27x00_battery_exit':
bq27x00_battery.c:(.exit.text+0xbf0): undefined reference to `i2c_del_driver'
make: *** [vmlinux] Error 1
Signed-off-by: Xiong Zhou <jencce.kernel@gmail.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
- The ChromeOS embedded controller which provides keyboard, battery and power
management services. This controller is accessible through i2c or SPI.
- Silicon Laboratories 476x controller, providing access to their FM chipset
and their audio codec.
- Realtek's RTS5249, a memory stick, MMC and SD/SDIO PCI based reader.
- Nokia's Tahvo power button and watchdog device. This device is very similar
to Retu and is thus supported by the same code base.
- STMicroelectronics STMPE1801, a keyboard and GPIO controller supported by
the stmpe driver.
- ST-Ericsson AB8540 and AB8505 power management and voltage converter
controllers through the existing ab8500 code.
Some other drivers got cleaned up or improved. In particular:
- The Linaro/STE guys got the ab8500 driver in sync with their internal code
through a series of optimizations, fixes and improvements.
- The AS3711 and OMAP USB drivers now have DT support.
- The arizona clock and interrupt handling code got improved.
- The wm5102 register patch and boot mechanism also got improved.
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Merge tag 'mfd-3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next
Pull MFD update from Samuel Ortiz:
"For 3.10 we have a few new MFD drivers for:
- The ChromeOS embedded controller which provides keyboard, battery
and power management services. This controller is accessible
through i2c or SPI.
- Silicon Laboratories 476x controller, providing access to their FM
chipset and their audio codec.
- Realtek's RTS5249, a memory stick, MMC and SD/SDIO PCI based
reader.
- Nokia's Tahvo power button and watchdog device. This device is
very similar to Retu and is thus supported by the same code base.
- STMicroelectronics STMPE1801, a keyboard and GPIO controller
supported by the stmpe driver.
- ST-Ericsson AB8540 and AB8505 power management and voltage
converter controllers through the existing ab8500 code.
Some other drivers got cleaned up or improved. In particular:
- The Linaro/STE guys got the ab8500 driver in sync with their
internal code through a series of optimizations, fixes and
improvements.
- The AS3711 and OMAP USB drivers now have DT support.
- The arizona clock and interrupt handling code got improved.
- The wm5102 register patch and boot mechanism also got improved."
* tag 'mfd-3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next: (104 commits)
mfd: si476x: Don't use 0bNNN
mfd: vexpress: Handle pending config transactions
mfd: ab8500: Export ab8500_gpadc_sw_hw_convert properly
mfd: si476x: Fix i2c warning
mfd: si476x: Add header files and Kbuild plumbing
mfd: si476x: Add chip properties handling code
mfd: si476x: Add the bulk of the core driver
mfd: si476x: Add commands abstraction layer
mfd: rtsx: Support RTS5249
mfd: retu: Add Tahvo support
mfd: ucb1400: Pass ucb1400-gpio data through ac97 bus
mfd: wm8994: Add some OF properties
mfd: wm8994: Add device ID data to WM8994 OF device IDs
input: Export matrix_keypad_parse_of_params()
mfd: tps65090: Add compatible string for charger subnode
mfd: db8500-prcmu: Support platform dependant device selection
mfd: syscon: Fix warnings when printing resource_size_t
of: Add stub of_get_parent for non-OF builds
mfd: omap-usb-tll: Convert to devm_ioremap_resource()
mfd: omap-usb-host: Convert to devm_ioremap_resource()
...
Fix build errors in lp8788-charger by making it depend on IIO.
Fixes errors when CONFIG_IIO=m and CHARGER_LP8788=y.
lp8788-charger.c:(.text+0x2146b5): undefined reference to `iio_channel_get'
lp8788-charger.c:(.text+0x2146ce): undefined reference to `iio_channel_get'
lp8788-charger.c:(.text+0x214a86): undefined reference to `iio_read_channel_processed'
lp8788-charger.c:(.text+0x214b51): undefined reference to `iio_read_channel_processed'
lp8788-charger.c:(.text+0x214c30): undefined reference to `iio_read_channel_processed'
lp8788-charger.c:(.text+0x214d93): undefined reference to `iio_channel_release'
lp8788-charger.c:(.text+0x214dac): undefined reference to `iio_channel_release'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Milo Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
- OpenFirmware/DeviceTree support for the Power Supply core: the core now
automatically populates supplied_from hierarchy from the device tree.
With these patches chargers and batteries can now lookup each other
without the board files support shim. Rhyland Klein at NVIDIA did the
work;
- New ST-Ericsson ABX500 hwmon driver. The driver is heavily using the
AB85xx core and depends on some recent changes to it, so that is why the
driver comes through the battery tree. It has an appropriate ack from
the hwmon maintainer (i.e. Guenter Roeck). Martin Persson at ST-Ericsson
and Hongbo Zhang at Linaro authored the driver;
- Final bits to sync AB85xx ST-Ericsson changes into mainline. The changes
touch mfd parts, but these were acked by the appropriate MFD maintainer
(i.e. Samuel Ortiz). Lee Jones at Linaro did most of the work and lead
the submission process.
Minor changes, but still worth mentioning:
- Battery temperature reporting fix for Nokia N900 phones;
- Versatile Express poweroff driver moved into drivers/power/reset/.
- Tree-wise: use devm_kzalloc() where appropriate;
- Tree-wise: dev_pm_ops cleanups/fixes.
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Merge tag 'for-v3.10' of git://git.infradead.org/battery-2.6
Pull battery updates from Anton Vorontsov:
"Highlights:
- OpenFirmware/DeviceTree support for the Power Supply core: the core
now automatically populates supplied_from hierarchy from the device
tree. With these patches chargers and batteries can now lookup
each other without the board files support shim. Rhyland Klein at
NVIDIA did the work
- New ST-Ericsson ABX500 hwmon driver. The driver is heavily using
the AB85xx core and depends on some recent changes to it, so that
is why the driver comes through the battery tree. It has an
appropriate ack from the hwmon maintainer (i.e. Guenter Roeck).
Martin Persson at ST-Ericsson and Hongbo Zhang at Linaro authored
the driver
- Final bits to sync AB85xx ST-Ericsson changes into mainline. The
changes touch mfd parts, but these were acked by the appropriate
MFD maintainer (ie Samuel Ortiz). Lee Jones at Linaro did most of
the work and lead the submission process.
Minor changes, but still worth mentioning:
- Battery temperature reporting fix for Nokia N900 phones
- Versatile Express poweroff driver moved into drivers/power/reset/
- Tree-wide: use devm_kzalloc() where appropriate
- Tree-wide: dev_pm_ops cleanups/fixes"
* tag 'for-v3.10' of git://git.infradead.org/battery-2.6: (112 commits)
pm2301-charger: Fix suspend/resume
charger-manager: Use kmemdup instead of kzalloc + memcpy
power_supply: Populate supplied_from hierarchy from the device tree
power_supply: Add core support for supplied_from
power_supply: Define Binding for power-supplies
rx51_battery: Fix reporting temperature
hwmon: Add ST-Ericsson ABX500 hwmon driver
ab8500_bmdata: Export abx500_res_to_temp tables for hwmon
ab8500_{bmdata,fg}: Add const attributes to some data arrays
ab8500_bmdata: Eliminate CamelCase warning of some variables
ab8500_btemp: Make ab8500_btemp_get* interfaces public
goldfish_battery: Use resource_size()
lp8788-charger: Use PAGE_SIZE for the sysfs read operation
max8925_power: Use devm_kzalloc()
da9030_battery: Use devm_kzalloc()
da9052-battery: Use devm_kzalloc()
ds2760_battery: Use devm_kzalloc()
ds2780_battery: Use devm_kzalloc()
gpio-charger: Use devm_kzalloc()
isp1704_charger: Use devm_kzalloc()
...
The pm2301-charger driver implements runtime pm and at the same time uses
the legacy pm callbacks for suspend and resume. This does not work since
the I2C core wont look at the legacy pm callbacks if a driver has the 'pm'
field set. This patch fixes it by moving over to dev_pm_ops for
suspend/resume as well.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
With this patch the power_supply_core will try to populate supplied_from
hierarchy from the device tree.
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
This patch adds support for supplies to register a list of char *'s which
represent the list of supplies which supply them. This is the opposite as
the supplied_to list.
This change maintains support for supplied_to until all drivers which make
use of it already are converted.
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
This patch fixing units (1/10 °C) in which is temperature reported.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
This patch exports the thermistor resistance-to-temperature tables, so
that the hwmon driver can access them, and also adds the corresponding
table size variables.
Signed-off-by: Hongbo Zhang <hongbo.zhang@linaro.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
This patch adds const attributes to AB8500 power and temperature related
read-only data arrays.
Signed-off-by: Hongbo Zhang <hongbo.zhang@linaro.org>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Some AB8500 power related variable names don't comply with kernel coding
rules, any new patch using these variables will result in CamelCase
warnings from checkpatch.pl, this patch re-name these variables.
Signed-off-by: Hongbo Zhang <hongbo.zhang@linaro.org>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Make ab8500_btemp_get_temp interface public, export it and also export the
ab8500_btemp_get, ab8500_btemp_get_batctrl_temp interfaces, so that the
ab8500 hwmon driver can use them.
Signed-off-by: Hongbo Zhang <hongbo.zhang@linaro.org>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Tell twl4030_madc_conversion that this driver needs raw values.
Driver twl4030_madc has some hardcoded values and conversation
functions which are incorrect for Nokia RX-51 board. This driver
rx51_battery expects raw values which convert itself.
This patch fixing values reported by power supply interface.
Before this patch driver reported always incorrect values on
3.8 kernel (sometimes design capacity was negative).
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Acked-by: Anton Vorontsov <anton@enomsg.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This uses the resource_size() function instead of explicit computation.
Signed-off-by: Silviu-Mihai Popescu <silviupopescu1990@gmail.com>
Signed-off-by: Andrei Epure <epure.andrei@gmail.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
The sysfs allocates PAGE_SIZE. It is used by each R/W operation method.
Use it instead of another buffer size.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Use devm_kzalloc() to make cleanup paths more simple.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Use devm_kzalloc() to make cleanup paths more simple.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Use devm_kzalloc() to make cleanup paths more simple.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Use devm_kzalloc() to make cleanup paths more simple.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Use devm_kzalloc() to make cleanup paths more simple.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Use devm_kzalloc() to make cleanup paths more simple.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Use devm_kzalloc() to make cleanup paths more simple.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Use devm_kzalloc() to make cleanup paths more simple.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Use devm_kzalloc() to make cleanup paths more simple.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Use devm_kzalloc() to make cleanup paths more simple.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Use devm_kzalloc() to make cleanup paths more simple.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Use devm_kzalloc() to make cleanup paths more simple.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
The devm_kzalloc function allocates memory that is released automatically,
when a driver detaches. Thus, there is no reason to explicitly call kfree
in probe or remove functions.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Use devm_kzalloc() to make cleanup paths more simple.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Setup the compatible property so that when this device is registered
through device tree, it can match the expected compatiblity string used in
the tps65090 driver.
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
This patch uses module_platform_driver_probe() macro which makes the code
smaller and simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Use dev_pm_ops instead of the deprecated legacy suspend/resume callbacks.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Use dev_pm_ops instead of the deprecated legacy suspend/resume callbacks.
Cc: Minkyu Kang <mk7.kang@samsung.com>
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Minkyu Kang <mk7.kang@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
This eliminates having an #ifdef returning NULL for the case when OF is
disabled.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
From Catalin Marinas <catalin.marinas@arm.com>:
"... move the vexpress poweroff/restart code from arch/arm to
driver/power/reset so that the code can be reused in arm64."
This patch adds the pm_power_off and arm_pm_restart variable settings to
the vexpress-poweroff.c driver to decouple it from the machine_desc
definition.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Pawel Moll <pawel.moll@arm.com>
This patch moves the arch/arm/mach-vexpress/reset.c functionality to
drivers/platform/reset/ and adds the necessary Kconfig wiring.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Pawel Moll <pawel.moll@arm.com>
Check for (bat == NULL) has to be done before accessing bat
Signed-off-by: Syam Sidhardhan <s.syam@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
When the kernel loads a module, module params are processed prior to
calling module_init. As a result, setting module param value should not
have side effects, at least as long as the module has not been
initialized.
Signed-off-by: Andrey Gelman <andreyg@compulab.co.il>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
This patch adds support for the tps65090 charger driver. This driver is
responsible for controlling the charger aspect of the tps65090 mfd.
Currently, this mainly consists of turning on and off the charger, but
some features of the charger can be supported through this driver
including:
- Enable Auto Recharge based on Battery voltage
- Fast Charge Safety Timer
- Maximum battery discharge current
- Maximum battery adapter current
- Enable External Charge
- Disable charging termination based on low charger current (supported)
Once the driver is accepted, later patches can add support for the
features above which are not yet supported.
Based on work by:
Syed Rafiuddin <srafiuddin@nvidia.com>
Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
there are no more users of CONFIG_USB_OTG_UTILS
left in tree, we can remove it just fine.
[ kishon@ti.com : fixed a linking error due
to original patch forgetting to change
drivers/usb/Makefile ]
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
There's no need to test whether a (delayed) work item is pending
before queueing, flushing or cancelling it. Most uses are unnecessary
and quite a few of them are buggy.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch updates the gas gauge constant for electric current
calculation according to hardware specification.
Signed-off-by: Benoit GAUTHIER <benoit.gauthier-xsig@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
Tested-by: Benoit GAUTHIER <benoit.gauthier-xsig@stericsson.com>
To prevent overheating, provide differnt steps of charging current
interface to allow thermal mitigation. This will provide possibility
to reduce gradually the charging current.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
When USB Dedicated or Standard host chargers are plugged into
the device, chargealg attempts to disable the PM2301 AC charger,
However, disabling PM2301 was failing because of it being in
runtime suepend mode & LPN pin being low.
Signed-off-by: Rupesh Kumar <rupesh.kumar@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
Some of the comments in the ab8500 drivers reflect the behaviour
of the original device. As this driver now supports newer devices
then these comments are now redundant. Also some IRQ comments are
incorrect.
Signed-off-by: Marcus Cooper <marcus.xm.cooper@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Rabin VINCENT <rabin.vincent@stericsson.com>
Tested-by: Rabin VINCENT <rabin.vincent@stericsson.com>
The LED Indicator feature allows indicating through a led when the
PM2301 battery charging is active. SW shall not disable this LED.
Signed-off-by: Rupesh Kumar <rupesh.kumar@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
This patch restricts use of LPN pin to C2C boards to avoid
conflict on HSI for GPIO 60 use.
Signed-off-by: Benoit GAUTHIER <benoit.gauthier-xsig@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Mustapha BEN-ZOUBEIR <mustapha.ben.zoubeir-xsig@stericsson.com>
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
Tested-by: Benoit GAUTHIER <benoit.gauthier-xsig@stericsson.com>
deprecate some boilerplate code by using module_platform_driver
helper macro. No functional changes.
Signed-off-by: srinidhi kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Some of the headers and defines accrued over time are no longer
in use. Let's take the opportunity to remove a few of them.
Signed-off-by: Rupesh Kumar <rupesh.kumar@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
Only AB8500 has this hardware bug, so these works only need to be run
there.
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Reviewed-by: Martin SJOBLOM <martin.w.sjoblom@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
To optimize the current consumption we use pm_runtime autosuspend
functions which execute the pm_runtime_suspend after a delay of
inactivity on the other hand we use pm_runtime_resume every time
we receive an interruption to wake up the pm2301.
Signed-off-by: M BenZoubeir <mustapha.ben.zoubeir-xsig@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
Signed-off-by: M BenZoubeir <mustapha.ben.zoubeir-xsig@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
When the state of USB Charge detection is changed then the calls
use a define for another register in other bank. This change
creates a new define for the correct register and removes the
magic numbers that are present.
Signed-off-by: Marcus Cooper <marcus.xm.cooper@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Hakan BERG <hakan.berg@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Timers used for charging safety and maintenance must work even when
CPU power has collapsed. By using hrtimers with the realtime clock
the system is able to trigger an alarm that wakes-up the CPU and makes
it possible to handle events.
Allow a little slack time of 5 minutes for the hrtimers to allow CPU
to be woken-up in a more optimal power saving way. A 5 minute delay
to time-out timers relative to hours does not impact on safety.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Charging watchdog kicker work-thread gets started twice causing
'failed to kick watchdog' message after removing charger and
when re-inserting charger. This patch removes the superfluous
start of watchdog kicker-thread.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The newer AB's such as the AB8505, AB9540 etc include a
USBLink1 Status register which detects a larger range of
external devices. This should be used instead of the
USBLine Status register.
Signed-off-by: Marcus Cooper <marcus.xm.cooper@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Hakan BERG <hakan.berg@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Tested-by: Yang QU <yang.qu@stericsson.com>
Provide AB8540 platform specific information required to run the
Battery Management subsystem on AB8540 based devices. For this to
happen we see the introduction of separate platform specific data
structures and a means in which to process them.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Due to btemp filtering enabled during init, temp values reported
to charge algorithm driver started from 0. As a result,charge
algorithm was going into wrong state and charging was stopped.
Signed-off-by: Rupesh Kumar <rupesh.kumar@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Reviewed-by: Martin SJOBLOM <martin.w.sjoblom@stericsson.com>
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
AB8540 supports power path function in USB charging mode for fast
power up with dead and weak battery, and it could extend
the battery age.
When USB charging starts, if the Vbattrue is below than SW cut off
voltage, power path and pre-charge should be enabled. If Vbattrue
is higher than SW cut off voltage, power path and pre-charge should
be disabled. This is to make sure full current to battery charge.
At the end of charge, power path should be enable again to reduce
charging the battery again.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The PM2301 Charger should always be available when using the AB8500
Battery Management system, we're ensuring this will be the case.
Signed-off-by: Marcus Cooper <marcus.xm.cooper@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Hakan BERG <hakan.berg@stericsson.com>
Reviewed-by: Mian Yousaf KAUKAB <mian.yousaf.kaukab@stericsson.com>
The AB8505 does not have the same address for USB link-status
as has ab8500. Add AB8505_USB_LINK_STATUS and code to switch
to correct constant.
Signed-off-by: Hakan Berg <hakan.berg@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Mian Yousaf KAUKAB <mian.yousaf.kaukab@stericsson.com>
Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Reviewed-by: Rabin VINCENT <rabin.vincent@stericsson.com>
When battery capacity was going below 1% fg is not supposed
to report 0% unless we've got the LOW_BAT IRQ, no matter
what the FG-algorithm says. This made fg get stuck at 1% if
charger is connected when capacity is 1%.
Signed-off-by: Hakan BERG <hakan.berg@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Reviewed-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
Battery tempreature readings sometimes fail and results in
a value far from recent values. This patch adds a software
filter that disposes such readings, by allowing direct
updates on temperature only if two samples result in the
same temperature. Else only allow 1 degree change from previous
reported value in the direction of the new measurement.
Signed-off-by: Hakan Berg <hakan.berg@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Reviewed-by: Martin SJOBLOM <martin.w.sjoblom@stericsson.com>
Reviewed-by: Rabin VINCENT <rabin.vincent@stericsson.com>
When in suspend state, upon plug-in of external AC charger the
device needs to wake-up and charging operation started.
Signed-off-by: Rupesh Kumar <rupesh.kumar@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
This patch adds support for die temperature thermal protection
in pm2301 driver.
Signed-off-by: Rupesh Kumar <rupesh.kumar@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Hakan BERG <hakan.berg@stericsson.com>
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
Do not set higher current in stepping functionality if VBUS is dropping.
After VBUS has dropped try to set current once again. If dropping again
then we have found the maximum capability of the charger.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mustapha Ben Zoubeir <mustapha.ben.zoubeir-nonst@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
Tested-by: Olivier CLERGEAUD <olivier.clergeaud@stericsson.com>
Force main charger detect in turn on status.
Signed-off-by: Rajkumar Kasirajan <rajkumar.kasirajan@stericsson.com>
Signed-off-by: Per Forlin <per.forlin@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
Tested-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
Added support for main charger over voltage protection.
Signed-off-by: Rupesh Kumar <rupesh.kumar@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
Tested-by: Michel JAOUEN <michel.jaouen@stericsson.com>
Due to a bug in some AB8500 ASICs charger removal cannot always
be detected if the removal and reinsertion is done to close in time.
This patch detects above described case and handles the situation
so that charging will be kept turned on.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add 2.7v, 2.9v, 3.0v, 3.2v and 3.3v charging voltages for backup
battery. Before that only 2.5v, 2.6v, 2.8v, 3.1v were available.
Signed-off-by: Yang QU <yang.qu@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Maxime COQUELIN <maxime.coquelin@stericsson.com>
Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Tested-by: Xiao Mei ZHANG <xiaomei.zhang@stericsson.com>
Unscaled capacity should be reported for POWER_SUPPLY_PROP_CAPACITY.
Signed-off-by: Martin Bergstrom <martin.bergstrom@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Tested-by: Jonas ABERG <jonas.aberg@stericsson.com>
Add support for a power cut feature which allows user to
configure when ab8505 and ab8540 based platforms should shut
down system due to low battery.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Any platform can be dynamically probed for model and version number
provided the AB8500 MFD parent device pointer is available. This
patch obtains that pointer and stores it in a locally controlled
struct for later use.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
End of charging is managed by SW.
Signed-off-by: Rajkumar Kasirajan <rajkumar.kasirajan@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Tested-by: Jonas ABERG <jonas.aberg@stericsson.com>
Convert to the much saner new idr interface.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Anton Vorontsov <cbou@mail.ru>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Here's the big staging tree merge for 3.9-rc1
Lots of cleanups and updates for drivers all through the staging tree.
We are pretty much "code neutral" here, adding just about as many lines
as we removed.
All of these have been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging tree update from Greg Kroah-Hartman:
"Here's the big staging tree merge for 3.9-rc1
Lots of cleanups and updates for drivers all through the staging tree.
We are pretty much "code neutral" here, adding just about as many
lines as we removed.
All of these have been in linux-next for a while."
* tag 'staging-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (804 commits)
staging: comedi: vmk80xx: wait for URBs to complete
staging: comedi: drivers: addi-data: hwdrv_apci3200.c: Add a missing semicolon
staging: et131x: Update TODO list
staging: et131x: Remove assignment of skb->dev
staging: wlan-ng: hfa384x.h: fix for error reported by smatch
staging/zache checkpatch ERROR: spaces prohibited around that
staging/ozwpan: Mark read only parameters and structs as const
staging/ozwpan: Remove empty and unused function oz_cdev_heartbeat
staging/ozwpan: Mark local functions as static (fix sparse warnings)
staging/ozwpan: Add missing header includes
staging/usbip: Mark local functions as static (fix sparse warnings)
staging/xgifb: Remove duplicated code in loops.
staging/xgifb: Consolidate return paths
staging/xgifb: Remove code without effect
staging/xgifb: Remove unnecessary casts
staging/xgifb: Consolidate if/else if with identical code branches
staging: vt6656: replaced custom TRUE definition with true
staging: vt6656: replaced custom FALSE definition with false
staging: vt6656: replace custom BOOL definition with bool
staging/rtl8187se: Mark functions as static to silence sparse
...
Here is the big driver core merge for 3.9-rc1
There are two major series here, both of which touch lots of drivers all
over the kernel, and will cause you some merge conflicts:
- add a new function called devm_ioremap_resource() to properly be
able to check return values.
- remove CONFIG_EXPERIMENTAL
If you need me to provide a merged tree to handle these resolutions,
please let me know.
Other than those patches, there's not much here, some minor fixes and
updates.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core patches from Greg Kroah-Hartman:
"Here is the big driver core merge for 3.9-rc1
There are two major series here, both of which touch lots of drivers
all over the kernel, and will cause you some merge conflicts:
- add a new function called devm_ioremap_resource() to properly be
able to check return values.
- remove CONFIG_EXPERIMENTAL
Other than those patches, there's not much here, some minor fixes and
updates"
Fix up trivial conflicts
* tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (221 commits)
base: memory: fix soft/hard_offline_page permissions
drivercore: Fix ordering between deferred_probe and exiting initcalls
backlight: fix class_find_device() arguments
TTY: mark tty_get_device call with the proper const values
driver-core: constify data for class_find_device()
firmware: Ignore abort check when no user-helper is used
firmware: Reduce ifdef CONFIG_FW_LOADER_USER_HELPER
firmware: Make user-mode helper optional
firmware: Refactoring for splitting user-mode helper code
Driver core: treat unregistered bus_types as having no devices
watchdog: Convert to devm_ioremap_resource()
thermal: Convert to devm_ioremap_resource()
spi: Convert to devm_ioremap_resource()
power: Convert to devm_ioremap_resource()
mtd: Convert to devm_ioremap_resource()
mmc: Convert to devm_ioremap_resource()
mfd: Convert to devm_ioremap_resource()
media: Convert to devm_ioremap_resource()
iommu: Convert to devm_ioremap_resource()
drm: Convert to devm_ioremap_resource()
...
o goldfish_battery:
This is Android Emulator battery driver. Originally from Google, but
Intel folks reshaped it for mainline;
o pm2301_charger:
A new driver for ST-Ericsson 2301 Power Management chip, uses AB8500
battery management core;
o qnap-poweroff:
The driver adds poweroff functionality for QNAP NAS boxes;
o restart-poweroff:
A generic driver that implements 'power off by restarting'. The actual
poweroff functionality is implemented through a bootloader, so Linux'
task is just to restart the box. The driver is useful on Buffalo
Linkstation LS-XHL and LS-CHLv2 boards. Andrew Lunn worked on
submitting the driver (as well as qnap-poweroff above).
- A lot of fixes for ab8500 drivers. This is a part of efforts of syncing
internal ST-Ericsson development tree with the mainline. Lee Jones @
Linaro worked on compilation and reshaping these series;
- New health properties for the power supplies: "Watchdog timer expire"
and "Safety timer expire";
- As usual, a bunch of fixes/cleanups here and there.
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Merge tag 'for-v3.9' of git://git.infradead.org/battery-2.6
Pull battery updates from Anton Vorontsov:
"Four new drivers:
- goldfish_battery:
This is Android Emulator battery driver. Originally from Google,
but Intel folks reshaped it for mainline
- pm2301_charger:
A new driver for ST-Ericsson 2301 Power Management chip, uses
AB8500 battery management core
- qnap-poweroff:
The driver adds poweroff functionality for QNAP NAS boxes
- restart-poweroff:
A generic driver that implements 'power off by restarting'. The
actual poweroff functionality is implemented through a bootloader,
so Linux' task is just to restart the box. The driver is useful on
Buffalo Linkstation LS-XHL and LS-CHLv2 boards. Andrew Lunn worked
on submitting the driver (as well as qnap-poweroff above).
Additionally:
- A lot of fixes for ab8500 drivers. This is a part of efforts of
syncing internal ST-Ericsson development tree with the mainline.
Lee Jones @ Linaro worked on compilation and reshaping these
series.
- New health properties for the power supplies: "Watchdog timer
expire" and "Safety timer expire"
- As usual, a bunch of fixes/cleanups here and there"
* tag 'for-v3.9' of git://git.infradead.org/battery-2.6: (81 commits)
bq2415x_charger: Add support for offline and 100mA mode
generic-adc-battery: Fix forever loop in gab_remove()
goldfish_battery: Add missing GENERIC_HARDIRQS dependency
da9030_battery: Include notifier.h
bq27x00_battery: Fix reporting battery temperature
power/reset: Remove newly introduced __dev* annotations
lp8727_charger: Small cleanup in naming
ab8500_btemp: Demote initcall sequence
ds2782_battery: Add power_supply_changed() calls for proper uevent support
power: Add battery driver for goldfish emulator
u8500-charger: Delay for USB enumeration
ab8500-bm: Remove individual [charger|btemp|fg|chargalg] pdata structures
ab8500-charger: Do not touch VBUSOVV bits
ab8500-fg: Use correct battery charge full design
pm2301: LPN mode control support
pm2301: Enable vbat low monitoring
ab8500-bm: Flush all work queues before suspending
ab8500-fg: Go to INIT_RECOVERY when charger removed
ab8500-charger: Add support for autopower on AB8505 and AB9540
abx500-chargalg: Add new sysfs interface to get current charge status
...
Fix up fairly straightforward conflicts in the ab8500 driver. But since
it seems to be ARM-specific, I can't even compile-test the result..
* Renamed mode BQ2415X_MODE_NONE to BQ2415X_MODE_OFF because this mode
turning chaging completly off
* Added new mode BQ2415X_MODE_NONE which enable charging with maximal
current limit 100mA (this is minimal safe value for bq2415x chips)
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
There is a forever loop calling iio_channel_release() because the
"chan < " part of the "chan < ARRAY_SIZE()" is missing. This is in both
the error handling on probe and also in the remove function.
The other thing is that it's possible for some of the elements of the
adc_bat->channel[chan] array to be an ERR_PTR(). I've changed them to be
NULL instead. We're still not allowed to pass NULLs to
iio_channel_release() so I've added a check.
Finally, I removed an unused "chan = ARRAY_SIZE(gab_chan_name);" statement
as a small cleanup.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Fix this link error on s390:
ERROR: "devm_request_threaded_irq" [drivers/power/goldfish_battery.ko] undefined!
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
randconfig complains about:
drivers/power/da9030_battery.c:113: error: field ‘nb’ has incomplete type
because there is no direct include for notifier.h which defines
struct notifier_block.
Signed-off-by: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
All in-kernel users of class_find_device() don't really need mutable
data for match callback.
In two places (kernel/power/suspend_test.c, drivers/scsi/osd/osd_uld.c)
this patch changes match callbacks to use const search data.
The const is propagated to rtc_class_open() and power_supply_get_by_name()
parameters.
Note that there's a dev reference leak in suspend_test.c that's not
touched in this patch.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
For iio_channel_get to work with OF based configurations, it needs the
consumer device pointer instead of the consumer device name as argument.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Anton Vorontsov <anton@enomsg.org>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Reported temperature can be also negative, so cache value in non negative
Kelvin degree.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
__devinit, __devexit and __devexit_p have recently been removed and
should no longer be used.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
"pdata" and "pchg->pdata" are the same. Changing the function call to
pdata->get_batt_present() makes it match the check and it's a little
cleaner.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Milo Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Pull a huge ab8500/pm2301 pile of changes from Lee Jones. Lee did an
awesome job cleaning this stuff up and thus brought ab8500 Stericsson's
development tree much closer to the mainline. Even more changes to come,
though.
Conflicts:
drivers/power/Kconfig
Power supply subsystem creates thermal zone device for the property
'POWER_SUPPLY_PROP_TEMP' which requires thermal subsystem to be ready
before 'ab8500 battery temperature monitor' driver is initialized. ab8500
btemp driver is initialized with subsys_initcall whereas thermal subsystem
is initialized with fs_initcall which causes
thermal_zone_device_register(...) to crash since the required structure
'thermal_class' is not initialized yet:
Unable to handle kernel NULL pointer dereference at virtual address 000000a4
pgd = c0004000
[000000a4] *pgd=00000000
Internal error: Oops: 5 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 0 Tainted: G W (3.8.0-rc4-00001-g632fda8-dirty #1)
PC is at _raw_spin_lock+0x18/0x54
LR is at get_device_parent+0x50/0x1b8
pc : [<c02f1dd0>] lr : [<c01cb248>] psr: 60000013
sp : ef04bdc8 ip : 00000000 fp : c0446180
r10: ef216e38 r9 : c03af5d0 r8 : ef275c18
r7 : 00000000 r6 : c0476c14 r5 : ef275c18 r4 : ef095840
r3 : ef04a000 r2 : 00000001 r1 : 00000000 r0 : 000000a4
Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
Control: 10c5787d Table: 0000404a DAC: 00000015
Process swapper/0 (pid: 1, stack limit = 0xef04a238)
Stack: (0xef04bdc8 to 0xef04c000)
[...]
[<c02f1dd0>] (_raw_spin_lock+0x18/0x54) from [<c01cb248>] (get_device_parent+0x50/0x1b8)
[<c01cb248>] (get_device_parent+0x50/0x1b8) from [<c01cb8d8>] (device_add+0xa4/0x574)
[<c01cb8d8>] (device_add+0xa4/0x574) from [<c020b91c>] (thermal_zone_device_register+0x118/0x938)
[<c020b91c>] (thermal_zone_device_register+0x118/0x938) from [<c0202030>] (power_supply_register+0x170/0x1f8)
[<c0202030>] (power_supply_register+0x170/0x1f8) from [<c02055ec>] (ab8500_btemp_probe+0x208/0x47c)
[<c02055ec>] (ab8500_btemp_probe+0x208/0x47c) from [<c01cf0dc>] (platform_drv_probe+0x14/0x18)
[<c01cf0dc>] (platform_drv_probe+0x14/0x18) from [<c01cde70>] (driver_probe_device+0x74/0x20c)
[<c01cde70>] (driver_probe_device+0x74/0x20c) from [<c01ce094>] (__driver_attach+0x8c/0x90)
[<c01ce094>] (__driver_attach+0x8c/0x90) from [<c01cc640>] (bus_for_each_dev+0x4c/0x80)
[<c01cc640>] (bus_for_each_dev+0x4c/0x80) from [<c01cd6b4>] (bus_add_driver+0x16c/0x23c)
[<c01cd6b4>] (bus_add_driver+0x16c/0x23c) from [<c01ce54c>] (driver_register+0x78/0x14c)
[<c01ce54c>] (driver_register+0x78/0x14c) from [<c00086ac>] (do_one_initcall+0xfc/0x164)
[<c00086ac>] (do_one_initcall+0xfc/0x164) from [<c02e89c8>] (kernel_init+0x120/0x2b8)
[<c02e89c8>] (kernel_init+0x120/0x2b8) from [<c000e358>] (ret_from_fork+0x14/0x3c)
Code: e3c3303f e5932004 e2822001 e5832004 (e1903f9f)
---[ end trace ed9df72941b5bada ]---
Signed-off-by: Rajanikanth H.V <rajanikanth.hv@stericsson.com>
Cc: stable@vger.kernel.org
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
This patch affects on Android battery indicator. Battery driver should
send uevent message when battery status changes in order to get Android
battery level dynamically updated. Delayed work was added to periodically
check battery status and capacity.
Signed-off-by: Evgeny Romanov <romanov@neurosoft.ru>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Add the emulated power driver for the Goldfish platform.
This folds together the code from the Google tree, Jun Nakajima's cleanups
and x86 porting work, and then a tidy up to pass checkpatch.
Signed-off-by: Mike A. Chan <mikechan@google.com>
[cleanup and x86 support]
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Signed-off-by: Xiaohui Xin <xiaohui.xin@intel.com>
Signed-off-by: Jun Nakajima <jun.nakajima@intel.com>
Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
[ported to 3.4]
Signed-off-by: Tom Keel <thomas.keel@intel.com>
[ported to 3.7 and final tidy]
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Convert all uses of devm_request_and_ioremap() to the newly introduced
devm_ioremap_resource() which provides more consistent error handling.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Cc: Anton Vorontsov <cbou@mail.ru>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
If charging is started before USB enumeration of an Accessory
Charger Adapter has finished, the AB8500 will generate a
VBUS_ERROR. This in turn results in timeouts and delays the
enumeration with around 15 seconds. This patch delays the
charging and then ramps currents slowly to avoid VBUS errors.
The delay allows the enumeration to have finished before
charging is turned on.
Signed-off-by: Martin Sjoblom <martin.w.sjoblom@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Tested-by: Jonas ABERG <jonas.aberg@stericsson.com>
None of the aforementioned components have their own dedicated
platform data structures anymore. Instead they have all been
merged into one big Battery Management container. Let's remove
them and place all the nice newly added attributes into the core
container.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Do not touch the VBUSOVV in USBCHTRL2 when running on AB8505.
Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Tested-by: Mian Yousaf KAUKAB <mian.yousaf.kaukab@stericsson.com>
If battery is not identified while fg probe, mah_max_design gets
initialized with unknown battery's charge full design. Reinitialize
mah_max_design if battery is identified after fg probe.
Signed-off-by: Rajkumar Kasirajan <rajkumar.kasirajan@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Vijaya Kumar K-1 <vijay.kilari@stericsson.com>
Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Reviewed-by: Olivier CLERGEAUD <olivier.clergeaud@stericsson.com>
Reviewed-by: Arun MURTHY <arun.murthy@stericsson.com>
Reviewed-by: Rabin VINCENT <rabin.vincent@stericsson.com>
Tested-by: Rupesh KUMAR <rupesh.kumar@stericsson.com>
Tested-by: Jonas ABERG <jonas.aberg@stericsson.com>
The AC charger plug-in detection while booting causes I2C read
failure if AC charger is not connected. Now the LPN pin is enabled
for every PM2301 register access, which solves the issue.
Signed-off-by: Rupesh Kumar <rupesh.kumar@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Reviewed-by: Vijaya Kumar K-1 <vijay.kilari@stericsson.com>
Reviewed-by: Rabin VINCENT <rabin.vincent@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Tested-by: Jonas ABERG <jonas.aberg@stericsson.com>
Enable support for low battery checking.
Signed-off-by: Rajkumar Kasirajan <rajkumar.kasirajan@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Tested-by: Jonas ABERG <jonas.aberg@stericsson.com>
Flush all workqueues at suspend time to avoid suspending during work.
Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
When the charger is removed we need to go to INIT_RECOVERY
state instead of directly to RECOVERY state.
Signed-off-by: Martin Bergstrom <martin.bergstrom@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Tested-by: Jonas ABERG <jonas.aberg@stericsson.com>
Accessing autopower register fails on the AB8505 and ab9540 as
the fallback software control register has moved.
Signed-off-by: Marcus Cooper <marcus.xm.cooper@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Mattias WALLIN <mattias.wallin@stericsson.com>
Reviewed-by: Nicolas GUION <nicolas.guion@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Tested-by: Jonas ABERG <jonas.aberg@stericsson.com>
AB and PMxxx doesn't have same watchdog refresh period. Add watchdog
to refresh period parameters in x500 charger structure, this should
kick watchdog every 30sec. The AC charging should also kick both
pm2xxx and the AB charger watchdog.
Signed-off-by: Rajkumar Kasirajan <rajkumar.kasirajan@stericsson.com>
Signed-off-by: Loic Pallardy <loic.pallardy@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Michel JAOUEN <michel.jaouen@stericsson.com>
Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Tested-by: Michel JAOUEN <michel.jaouen@stericsson.com>
Tested-by: Jonas ABERG <jonas.aberg@stericsson.com>
Only root should have write permission on sysfs file ab8500_chargalg/chargalg.
Cc: stable@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
There is no support to measure the main charger voltage and
current using AB9540 gpadc. Therefore this has been removed
from the driver.
Signed-off-by: Rajkumar Kasirajan <rajkumar.kasirajan@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Michel JAOUEN <michel.jaouen@stericsson.com>
Reviewed-by: Rabin VINCENT <rabin.vincent@stericsson.com>
Tested-by: Michel JAOUEN <michel.jaouen@stericsson.com>
Fix the way interrupts are handled within the PM2301 charging driver.
Signed-off-by: Rajkumar Kasirajan <rajkumar.kasirajan@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Olivier CLERGEAUD <olivier.clergeaud@stericsson.com>
Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Reviewed-by: Michel JAOUEN <michel.jaouen@stericsson.com>
Tested-by: Michel JAOUEN <michel.jaouen@stericsson.com>
When the charging safety timer elapses, the battery health is
shown as "Good". This is misleading and also makes it difficult
to distinguish issues relating to discharging despite the fact
that the charger is still connected.
When in actual fact a safety timer elapse is an indication of a
fault in the battery. Here we make this clearer by reporting
POWER_SUPPLY_HEALTH_UNSPEC_FAILURE instead.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add AB9540 and AB8505 support to ABx500 BTEMP driver.
Signed-off-by: Rajkumar Kasirajan <rajkumar.kasirajan@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Michel JAOUEN <michel.jaouen@stericsson.com>
Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Tested-by: Michel JAOUEN <michel.jaouen@stericsson.com>
Tested-by: Jonas ABERG <jonas.aberg@stericsson.com>
Changed conditions for restarting low battery measurements counter
and adjusted the interval between measurements to avoid RF burst
induced voltage drops, and to shorten time to decide to shut down.
Signed-off-by: Hakan Berg <hakan.berg@stericsson.com>
Signed-off-by: Martin Bergstrom <martin.bergstrom@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
AB8500 refuses to start charging when some types of non standard
chargers are connected. This change force the AB to start charging.
Signed-off-by: Henrik Sölver <henrik.solver@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Yvan FILLION <yvan.fillion@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Tested-by: Yvan FILLION <yvan.fillion@stericsson.com>
AC charger driver for the DB9540 based platforms.
Signed-off-by: Rajkumar Kasirajan <rajkumar.kasirajan@stericsson.com>
Signed-off-by: Loic Pallardy <loic.pallardy@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Michel JAOUEN <michel.jaouen@stericsson.com>
Tested-by: Michel JAOUEN <michel.jaouen@stericsson.com>
GPLv2+ is not a valid license string. Replace it with one that is.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
