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>
As HZ is a full-second, there is little point in rounding it.
Let's save a few cycles by using HZ directly.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
When calculating the average current the nominator will
overflow when the charging current is high.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Henrik Sölver <henrik.solver@stericsson.com>
Reviewed-by: Par-Olof HAKANSSON <par-olof.hakansson@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Tested-by: Par-Olof HAKANSSON <par-olof.hakansson@stericsson.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
A Legacy USB charger should be handled directly by the charger
driver.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Marcus Cooper <marcus.xm.cooper@stericsson.com>
Reviewed-by: Karl KOMIEROWSKI <karl.komierowski@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Cleanup of the ab8500_charger driver.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Marcus Cooper <marcus.xm.cooper@stericsson.com>
Reviewed-by: Karl KOMIEROWSKI <karl.komierowski@stericsson.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Add support for the battery over-voltage situation
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Hakan Berg <hakan.berg@stericsson.com>
Reviewed-by: Karl KOMIEROWSKI <karl.komierowski@stericsson.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
BTEMP thermal compensation factor times 10 is applied in two places, probe
and get_property. Removed from probe.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Hakan Berg <hakan.berg@stericsson.com>
Reviewed-by: Karl KOMIEROWSKI <karl.komierowski@stericsson.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Round the capacity values for better enduser experience.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: pender01 <peter.enderborg@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Tested-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
The Travel and Carkit adapter should be handled directly by
the charger driver.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Marcus Cooper <marcus.xm.cooper@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Ignore the low btemp interrupts for ab8500 3.0 and 3.3
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Hakan Berg <hakan.berg@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Tested-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
The Linux Power Supply framework expects battery temperatures to have
a resolution of 0.1 degree Celsius; however, the AB8500 btemp driver
supplies a battery temperature resolution of 1 degree Celsius. We
therefore have to use a factor 10 on the measured values.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
In case of time out error IRQ needs to be disabled
otherwise we will get unbalanced enable/disable pairs.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Rickard Andersson <rickard.andersson@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Today the battery recharge is determined with a voltage threshold. This
voltage threshold is only valid when the battery is relaxed. In charging
algorithm the voltage read is the loaded battery voltage and no
compensation is done to get the relaxed voltage. When maintenance
charging is not selected, this makes the recharging condition to almost
immediately activate when there is a discharge present on the battery.
Depending on which vendor the battery comes from this behavior can wear
out the battery much faster than normal.
The fuelgauge driver is responsible to monitor the actual battery
capacity and is able to estimate the remaining capacity. It is better to
use the remaining capacity as a limit to determine when battery should
be recharged.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Marcus Cooper <marcus.xm.cooper@stericsson.com>
Reviewed-by: Hakan BERG <hakan.berg@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Gracefully handle gpadc conversion errors.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Reviewed-by: Johan BJORNSTEDT <johan.bjornstedt@stericsson.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Doing so provides a greater degree of accuracy when dealing with
time-frames between 1us and 20ms. msleep() is only accurate for
wake-ups greater than 20ms.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonas ABERG <jonas.aberg@stericsson.com>
Reviewed-by: Johan BJORNSTEDT <johan.bjornstedt@stericsson.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Add two new work queues to provide USB and AC charger disconnect
detection.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
When enabling the CCEOC irq we might get false interrupt
from ab8500-driver due to the latched value will be saved
and interpreted as an IRQ when enabled
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Johan Bjornstedt <johan.bjornstedt@stericsson.com>
Signed-off-by: Henrik Solver <henrik.solver@stericsson.com>
Reviewed-by: Karl KOMIEROWSKI <karl.komierowski@stericsson.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Rename the ab8500_power_loss_handling function to a more
descriptive name ab8500_enable_disable_sw_fallback
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Robert Marklund <robert.marklund@stericsson.com>
Reviewed-by: Par-Olof HAKANSSON <par-olof.hakansson@stericsson.com>
Reviewed-by: Karl KOMIEROWSKI <karl.komierowski@stericsson.com>
Tested-by: Par-Olof HAKANSSON <par-olof.hakansson@stericsson.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
People are back from the holiday breaks, and it shows. Here are a bunch of
fixes for a number of platforms:
- A couple of small fixes for Nomadik
- A larger set of changes for kirkwood/mvebu
- uart driver selection, dt clocks, gpio-poweroff fixups,
a few __init annotation fixes and some error handling improvement
in their xor dma driver.
- i.MX had a couple of minor fixes (and a critical one for flexcan2
clock setup)
- MXS has a small board fix and a framebuffer bugfix
- A set of fixes for Samsung Exynos, fixing default bootargs and some
Exynos5440 clock issues
- A set of OMAP changes including PM fixes and a few sparse warning
fixups
All in all a bit more positive code delta than we'd ideally want to see
here, mostly from the OMAP PM changes, but nothing overly crazy.
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Merge tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"People are back from the holiday breaks, and it shows. Here are a
bunch of fixes for a number of platforms:
- A couple of small fixes for Nomadik
- A larger set of changes for kirkwood/mvebu
- uart driver selection, dt clocks, gpio-poweroff fixups, a few
__init annotation fixes and some error handling improvement in
their xor dma driver.
- i.MX had a couple of minor fixes (and a critical one for flexcan2
clock setup)
- MXS has a small board fix and a framebuffer bugfix
- A set of fixes for Samsung Exynos, fixing default bootargs and some
Exynos5440 clock issues
- A set of OMAP changes including PM fixes and a few sparse warning
fixups
All in all a bit more positive code delta than we'd ideally want to
see here, mostly from the OMAP PM changes, but nothing overly crazy."
* tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (44 commits)
ARM: clps711x: Fix bad merge of clockevents setup
ARM: highbank: save and restore L2 cache and GIC on suspend
ARM: highbank: add a power request clear
ARM: highbank: fix secondary boot and hotplug
ARM: highbank: fix typos with hignbank in power request functions
ARM: dts: fix highbank cpu mpidr values
ARM: dts: add device_type prop to cpu nodes on Calxeda platforms
ARM: mx5: Fix MX53 flexcan2 clock
ARM: OMAP2+: am33xx-hwmod: Fix wrongly terminated am33xx_usbss_mpu_irqs array
pinctrl: mvebu: make pdma clock on dove mandatory
ARM: Dove: Add pinctrl clock to DT
dma: mv_xor: fix error handling for clocks
dma: mv_xor: fix error handling of mv_xor_channel_add()
arm: mvebu: Add missing ; for cpu node.
arm: mvebu: Armada XP MV78230 has only three Ethernet interfaces
arm: mvebu: Armada XP MV78230 has two cores, not one
clk: mvebu: Remove inappropriate __init tagging
ARM: Kirkwood: Use fixed-regulator instead of board gpio call
ARM: Kirkwood: Fix missing sdio clock
ARM: Kirkwood: Switch TWSI1 of 88f6282 to DT clock providers
...
Avoid accessing vc_tbl_ref[3], which is one past the end of that array, in
da9052_determine_vc_tbl_index(), by adjusting the loop bound.
(Hint: there is 'i + 1' inside the loop.)
Signed-off-by: Nickolai Zeldovich <nickolai@csail.mit.edu>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
use devm_kzalloc and no need of error path and unload frees.
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Use 'platform_device' in kernel messages rather than i2c client device
node. lp8788_update_charger_params() needs additional argument, 'pdev'.
Then, remove unnecessary lp8788 private data in lp8788_irq_register().
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
The lp8788-charger is a platform driver of lp8788-mfd. The platform device
is allocated when mfd_add_devices() is called in lp8788-mfd. On the other
hand, 'lp->dev' is the i2c client device.
Therefore, this 'platform_device' is a proper parent device in case of
resource managed mem alloc and device kernel message.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Some devices, Buffalo Linkstation LS-XHL and LS-CHLv2 for example,
power-off by restarting to letting u-boot hold the SoC until the user
presses a key. Add a generic driver to implement this. It binds a function
to pm_power_off, which calls arm_pm_restart.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Michael Walle <michael@walle.cc>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
The QNAP NAS boxes have a microcontroller attached to the SoCs second
serial port. By sending it a simple command, it will turn the power for
the board off. This driver registers a function for pm_power_off to send
such a command.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
devm_kzalloc should not be followed by kfree, as this results in a double
free. The problem was found using the following semantic match
(http://coccinelle.lip6.fr/):
// <smpl>
@@
expression x,e;
@@
x = devm_kzalloc(...)
... when != x = e
?-kfree(x,...);
// </smpl>
Furthermore, in the remove function, the calls to free_irq are moved up to
prevent a possible reference in the interrupt handler to resources freed by
power_supply_unregister.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Improve the documentation to clarify level vs edge triggered power off.
Improve the comments for level vs edge triggered power off.
Make use of gpio_is_valid().
Reported-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
commit a66f59ba2e
bq27x00_battery: Add support for BQ27425 chip
introduced 2 bugs.
1/ 'chip' was set to BQ27425 unconditionally - breaking support for
other devices;
2/ BQ27425 does not support cycle count, how the code still tries to
get the cycle count for BQ27425, and now does it twice for other chips.
Signed-off-by: NeilBrown <neilb@suse.de>
Cc: Saranya Gopal <saranya.gopal@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
As most of the charger chips come with two kinds of safety features
related to timing:
1. Watchdog Timer (interms of seconds/mins)
2. Safety Timer (interms of hours)
This patch adds these to fault causes in POWER_SUPPLY_PROP_HEALTH_* enums
so that whenever there is either watchdog timeout or safety timer timeout
driver could notify the user space accurately about the fault and will
also be helpful for debug.
Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
devm_kzalloc is device managed and makes error handling and code cleanup a
bit simpler.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
module_i2c_driver() makes the code simpler by eliminating module_init and
module_exit calls.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
There's no need to test whether a (delayed) work item in pending
before queueing, flushing or cancelling it. Most uses are unnecessary
and quite a few of them are buggy.
Remove unnecessary pending tests and rewrite _setup_polling() so that
it uses mod_delayed_work() if the next polling interval is sooner than
currently scheduled. queue_delayed_work() is used otherwise.
Only compile tested. I noticed that two work items - setup_polling
and cm_monitor_work - schedule each other. It's a very unusual
construct and I'm fairly sure it's racy. You can't break such
circular dependency by calling cancel on each. I strongly recommend
revising the mechanism.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Anton Vorontsov <cbou@mail.ru>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Donggeun Kim <dg77.kim@samsung.com>
Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
This patch split _probe function for readability because _probe function
is longer than 400 line.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
CONFIG_HOTPLUG is going away as an option. As a result, the __dev*
markings need to be removed.
This change removes the use of __devinit, __devexit_p, __devinitconst,
and __devexit from these drivers.
Based on patches originally written by Bill Pemberton, but redone by me
in order to handle some of the coding style issues better, by hand.
Cc: Bill Pemberton <wfp5p@virginia.edu>
Cc: Anton Vorontsov <cbou@mail.ru>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Jamie Lentin <jm@lentin.co.uk>
Cc: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
From Tony Lindgren:
Here are few more patches to finish the omap changes for
multiplatform conversion that are not strictly fixes, but
were too complex to do with the dependencies during the
merge window. Those are to move of serial-omap.h to
platform_data, and the removal of remaining cpu_is_omap
macro usage outside mach-omap2.
Then there are several trivial fixes for typos and few
minimal omap2plus_defconfig updates.
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Merge tag 'omap-late-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull late ARM cleanups for omap from Olof Johansson:
"From Tony Lindgren:
Here are few more patches to finish the omap changes for multiplatform
conversion that are not strictly fixes, but were too complex to do
with the dependencies during the merge window. Those are to move of
serial-omap.h to platform_data, and the removal of remaining
cpu_is_omap macro usage outside mach-omap2.
Then there are several trivial fixes for typos and few minimal
omap2plus_defconfig updates."
* tag 'omap-late-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
arch/arm/mach-omap2/dpll3xxx.c: drop if around WARN_ON
OMAP2: Fix a typo - replace regist with register.
ARM/omap: use module_platform_driver macro
ARM: OMAP2+: PMU: Remove unused header
ARM: OMAP4: remove duplicated include from omap_hwmod_44xx_data.c
ARM: OMAP2+: omap2plus_defconfig: enable twl4030 SoC audio
ARM: OMAP2+: omap2plus_defconfig: Add tps65217 support
ARM: OMAP2+: enable devtmpfs and devtmpfs automount
ARM: OMAP2+: omap_twl: Change TWL4030_MODULE_PM_RECEIVER to TWL_MODULE_PM_RECEIVER
ARM: OMAP2+: Drop plat/cpu.h for omap2plus
ARM: OMAP: Split fb.c to remove last remaining cpu_is_omap usage
MAINTAINERS: Add an entry for omap related .dts files
- A small patch for the RX51 OMAP board (Nokia N900 phone), the patch
creates a battery monitor device instance, so that it can be probed. It
was acked by the OMAP maintainer;
- A couple of late bug fixes for the charger-manager: corrects corner
cases for the battery full handling.
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Merge tag 'for-v3.8-part2' of git://git.infradead.org/battery-2.6
Pull battery update, part 2, from Anton Vorontsov:
"These are left overs that I didn't have time to review/apply before
the merge window opened. I didn't want to "spoil" the first pull
request with these late patches, so they were not included:
- A small patch for the RX51 OMAP board (Nokia N900 phone), the patch
creates a battery monitor device instance, so that it can be
probed. It was acked by the OMAP maintainer;
- A couple of late bug fixes for the charger-manager: corrects corner
cases for the battery full handling."
* tag 'for-v3.8-part2' of git://git.infradead.org/battery-2.6:
charger-manager: Fix bug when check dropped voltage after fullbatt event
charger-manager: Fix bug related to checking fully charged state of battery
ARM: OMAP: rx51: Register platform device for rx51_battery
