Currently the AB8500 battery management subsystem receives platform
specific information via two different means depending on how the
platform is booted. If DT is not enabled, a reference to a *_bm_data
data structure containing each platform specific attribute is passed
though platform_data. However, if DT is enabled, then platform_data
is empty and the reference is gained though a DT specific probe
function. There are two issues here 1) the same reference is
being collected each time and 2) the DT way doesn't allow any
provisions to select different platform specific attributes, which
kind of defeats the object.

Cc: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

The platform specific battery management configuration data structure
is currently called 'bat' short for 'battery'; however, it contains
information for all components of the battery management group, rather
than information pertaining to the battery itself - there are other
structures for that. So, in keeping with its structure namesake
'abx500_bm_data', we rename it to 'bm' here. Using similar logic,
we're also renaming 'bmdevs_of_probe' to the more device specific
'ab8500_bm_of_probe'.
Signed-off-by: NLee Jones <lee.jones@linaro.org>

We can actually write bmdevs_of_probe to be easier to follow, use
less lines of code and we can even render a variable unused so
that we can remove it completely.
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Simple patch to rectify incorrect tabbing. Also adds some
coding style clean-ups to make it easier to read.
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Detect battery type in work queue instead of probe.

This reduces the system boot time with 1.5s.
Signed-off-by: NJonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Reviewed-by: NKarl KOMIEROWSKI <karl.komierowski@stericsson.com>

The CCMuxOffset bit is not kept set. This will force the
columb counter of the AB8500 to use the measure offset
calibration. This should increase the accuracy of the fuel
gauge.
Signed-off-by: NKalle Komierowski <karl.komierowski@stericsson.com>
Signed-off-by: NMarcus Cooper <marcus.xm.cooper@stericsson.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Reviewed-by: NJonas ABERG <jonas.aberg@stericsson.com>

There is no state machine in the AB to step up/down the charger
current to avoid dips and spikes on VBUS and VBAT when charging
is started. Instead this is implemented in SW.
Signed-off-by: NJohan Bjornstedt <johan.bjornstedt@stericsson.com>
Signed-off-by: NMattias Wallin <mattias.wallin@stericsson.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Reviewed-by: NKarl KOMIEROWSKI <karl.komierowski@stericsson.com>

property, battery-type shall be one of supported technology type
instead blank
- refer: Documentation/devicetree/bindings/power_supply/ab8500/fg.txt
	for the list supported types
- this patch appends to ab8500 bm devs DT binding patch set
	ref: commit-id e0f1abeb
		git://git.infradead.org/battery-2.6.git
- promote ab8500_fg probe to happen before ab8500_btemp probe as
	btemp driver depends on fuelgauge list,
	ref: ab8500_fg_get(...)
Signed-off-by: NRajanikanth H.V <rajanikanth.hv@stericsson.com>

This patch adds support for initializing platform data from the
device-tree description.
Signed-off-by: NQing Xu <qingx@marvell.com>
Signed-off-by: NAnton Vorontsov <anton.vorontsov@linaro.org>

This patch adds device tree support for charging algorithm driver
Signed-off-by: NRajanikanth H.V <rajanikanth.hv@stericsson.com>
Signed-off-by: NAnton Vorontsov <anton.vorontsov@linaro.org>

This patch adds device tree support for ab8500-charger driver
Signed-off-by: NRajanikanth H.V <rajanikanth.hv@stericsson.com>
Signed-off-by: NAnton Vorontsov <anton.vorontsov@linaro.org>

This patch adds device tree support for battery-temperature-monitor driver
Signed-off-by: NRajanikanth H.V <rajanikanth.hv@stericsson.com>
Signed-off-by: NAnton Vorontsov <anton.vorontsov@linaro.org>

- This patch adds device tree support for fuelgauge driver
- optimize bm devices platform_data usage and of_probe(...)
  Note: of_probe() routine for battery managed devices is made
  common across all bm drivers.
- test status:
  - interrupt numbers assigned differs between legacy and FDT mode.
Signed-off-by: NRajanikanth H.V <rajanikanth.hv@stericsson.com>
Signed-off-by: NAnton Vorontsov <anton.vorontsov@linaro.org>

To facilitate upcoming cleanup in twl stack. No functional changes.
Signed-off-by: NPeter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: NAnton Vorontsov <anton.vorontsov@linaro.org>

No functional changes. Just a cleanup.
Signed-off-by: NMarcos Paulo de Souza <marcos.souza.org@gmail.com>
Acked-by: NLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: NAnton Vorontsov <anton.vorontsov@linaro.org>

This is just a small cleanup, makes a logic a little bit more simplier.
Signed-off-by: NMarcos Paulo de Souza <marcos.souza.org@gmail.com>
Acked-by: NLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: NAnton Vorontsov <anton.vorontsov@linaro.org>

We should not not report nominal available capacity if battery is not
calibrated, as we don't want to represent bogus values in the sysfs and
confuse userland.
Signed-off-by: NPali Rohár <pali.rohar@gmail.com>
Signed-off-by: NAnton Vorontsov <anton.vorontsov@linaro.org>

I hate doing these style fixups myself, but I also hate inconsitent code.
Normally I just ask to resubmit the patch with the issues fixed, but N900
is special: I have a selfish interest in it. :)
Signed-off-by: NAnton Vorontsov <cbouatmailru@gmail.com>

This commit adds Kconfig and Makefile entries so that we could actually
build the driver.
Signed-off-by: NAnton Vorontsov <cbouatmailru@gmail.com>

The bq2415x charger driver is needed for example on Nokia N900 for
charging battery. Driver is part of open source project to replace
proprietary battery management.
Signed-off-by: NPali Rohár <pali.rohar@gmail.com>
Signed-off-by: NAnton Vorontsov <anton.vorontsov@linaro.org>

This driver exporting battery design capacity, temperature and voltage for
battery in Nokia RX-51. This driver is needed for open source battery
management on Nokia RX-51 (N900).
Signed-off-by: NPali Rohár <pali.rohar@gmail.com>
Signed-off-by: NAnton Vorontsov <anton.vorontsov@linaro.org>

The second error check is unreachable because the lock function isn't
assigned to ret.
Signed-off-by: NAlan Cox <alan@linux.intel.com>
Acked-by: NRamakrishna Pallala <ramakrishna.pallala@intel.com>
Signed-off-by: NAnton Vorontsov <anton.vorontsov@linaro.org>

We need to check for negative values before doing the swab16() for the
error handling to work.
Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NAnton Vorontsov <anton.vorontsov@linaro.org>

The name of ADC channel is configurable in the platform side. This name is
referenced in the IIO consumer driver. To get the IIO channel, specific
name in the platform data is used as an parameter of the
iio_channel_get(). Thus, lp8788_adc_id platform data are replaced with
specific names.
Signed-off-by: NMilo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: NAnton Vorontsov <anton.vorontsov@linaro.org>

To get the battery voltage and temperature, IIO ADC functions are used.
LP8788 ADC driver provides RAW and SCALE channel information. This patch
fixes wrong ADC result.
Signed-off-by: NMilo(Woogyom) Kim <milo.kim@ti.com>
Reviewed-by Lars-Peter Clausen <lars@metafoo.de>
Acked-by: NJonathan Cameron <jic23@kernel.org>
Signed-off-by: NAnton Vorontsov <anton.vorontsov@linaro.org>

To get the ADC value for the battery voltage and temperature, LP8788 ADC
driver is used. LP8788 charger driver is the consumer of LP8788 ADC
driver. Thus, specific ADC driver name is required on getting the channel
using iio_channel_get().
Signed-off-by: NMilo(Woogyom) Kim <milo.kim@ti.com>
Acked-by: NJonathan Cameron <jic23@kernel.org>
Signed-off-by: NAnton Vorontsov <anton.vorontsov@linaro.org>

This patch registers the power supply as a cooling device if the power
supply has support for charge throttling.

Now with this change low level drivers need not register with thermal
framework as it is automatically done by power supply framework.
Signed-off-by: NRamakrishna Pallala <ramakrishna.pallala@intel.com>
Signed-off-by: NAnton Vorontsov <anton.vorontsov@linaro.org>

Add support for power supply attributes CHARGE_CONTROL_LIMIT
and CHARGE_CONTROL_LIMIT_MAX.

These new attributes will enable the user space to implement
custom charging algorithms based on platform state.
Signed-off-by: NRamakrishna Pallala <ramakrishna.pallala@intel.com>
Signed-off-by: NAnton Vorontsov <anton.vorontsov@linaro.org>

psy->properties is an enum (32 bit type) so adding sizeof() puts us four
times further along than we intended.  It should be cast to a char pointer
before doing the math.
Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NAnton Vorontsov <anton.vorontsov@linaro.org>

On failure, request_any_context_irq() returns a negative value. On
success, it returns either IRQC_IS_HARDIRQ or IRQC_IS_NESTED.
Signed-off-by: NAxel Lin <axel.lin@ingics.com>
Signed-off-by: NAnton Vorontsov <anton.vorontsov@linaro.org>

Pull networking fixes from David Miller:
 "Bug fixes galore, mostly in drivers as is often the case:

  1) USB gadget and cdc_eem drivers need adjustments to their frame size
     lengths in order to handle VLANs correctly.  From Ian Coolidge.

  2) TIPC and several network drivers erroneously call tasklet_disable
     before tasklet_kill, fix from Xiaotian Feng.

  3) r8169 driver needs to apply the WOL suspend quirk to more chipsets,
     fix from Cyril Brulebois.

  4) Fix multicast filters on RTL_GIGA_MAC_VER_35 r8169 chips, from
     Nathan Walp.

  5) FDB netlink dumps should use RTM_NEWNEIGH as the message type, not
     zero.  From John Fastabend.

  6) Fix smsc95xx tx checksum offload on big-endian, from Steve
     Glendinning.

  7) __inet_diag_dump() needs to repsect and report the error value
     returned from inet_diag_lock_handler() rather than ignore it.
     Otherwise if an inet diag handler is not available for a particular
     protocol, we essentially report success instead of giving an error
     indication.  Fix from Cyrill Gorcunov.

  8) When the QFQ packet scheduler sees TSO/GSO packets it does not
     handle things properly, and in fact ends up corrupting it's
     datastructures as well as mis-schedule packets.  Fix from Paolo
     Valente.

  9) Fix oopser in skb_loop_sk(), from Eric Leblond.

  10) CXGB4 passes partially uninitialized datastructures in to FW
      commands, fix from Vipul Pandya.

  11) When we send unsolicited ipv6 neighbour advertisements, we should
      send them to the link-local allnodes multicast address, as per
      RFC4861.  Fix from Hannes Frederic Sowa.

  12) There is some kind of bug in the usbnet's kevent deferral
      mechanism, but more immediately when it triggers an uncontrolled
      stream of kernel messages spam the log.  Rate limit the error log
      message triggered when this problem occurs, as sending thousands
      of error messages into the kernel log doesn't help matters at all,
      and in fact makes further diagnosis more difficult.

      From Steve Glendinning.

  13) Fix gianfar restore from hibernation, from Wang Dongsheng.

  14) The netlink message attribute sizes are wrong in the ipv6 GRE
      driver, it was using the size of ipv4 addresses instead of ipv6
      ones :-) Fix from Nicolas Dichtel."

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  gre6: fix rtnl dump messages
  gianfar: ethernet vanishes after restoring from hibernation
  usbnet: ratelimit kevent may have been dropped warnings
  ipv6: send unsolicited neighbour advertisements to all-nodes
  net: usb: cdc_eem: Fix rx skb allocation for 802.1Q VLANs
  usb: gadget: g_ether: fix frame size check for 802.1Q
  cxgb4: Fix initialization of SGE_CONTROL register
  isdn: Make CONFIG_ISDN depend on CONFIG_NETDEVICES
  cxgb4: Initialize data structures before using.
  af-packet: fix oops when socket is not present
  pkt_sched: enable QFQ to support TSO/GSO
  net: inet_diag -- Return error code if protocol handler is missed
  net: bnx2x: Fix typo in bnx2x driver
  smsc95xx: fix tx checksum offload for big endian
  rtnetlink: Use nlmsg type RTM_NEWNEIGH from dflt fdb dump
  ptp: update adjfreq callback description
  r8169: allow multicast packets on sub-8168f chipset.
  r8169: Fix WoL on RTL8168d/8111d.
  drivers/net: use tasklet_kill in device remove/close process
  tipc: do not use tasklet_disable before tasklet_kill

Pull sparc fixes from David Miller:
 "Several build/bug fixes for sparc, including:

  1) Configuring a mix of static vs.  modular sparc64 crypto modules
     didn't work, remove an ill-conceived attempt to only have to build
     the device match table for these drivers once to fix the problem.

     Reported by Meelis Roos.

  2) Make the montgomery multiple/square and mpmul instructions actually
     usable in 32-bit tasks.  Essentially this involves providing 32-bit
     userspace with a way to use a 64-bit stack when it needs to.

  3) Our sparc64 atomic backoffs don't yield cpu strands properly on
     Niagara chips.  Use pause instruction when available to achieve
     this, otherwise use a benign instruction we know blocks the strand
     for some time.

  4) Wire up kcmp

  5) Fix the build of various drivers by removing the unnecessary
     blocking of OF_GPIO when SPARC.

  6) Fix unintended regression wherein of_address_to_resource stopped
     being provided.  Fix from Andreas Larsson.

  7) Fix NULL dereference in leon_handle_ext_irq(), also from Andreas
     Larsson."

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc64: Fix build with mix of modular vs. non-modular crypto drivers.
  sparc: Support atomic64_dec_if_positive properly.
  of/address: sparc: Declare of_address_to_resource() as an extern function for sparc again
  sparc32, leon: Check for existent irq_map entry in leon_handle_ext_irq
  sparc: Add sparc support for platform_get_irq()
  sparc: Allow OF_GPIO on sparc.
  qlogicpti: Fix build warning.
  sparc: Wire up sys_kcmp.
  sparc64: Improvde documentation and readability of atomic backoff code.
  sparc64: Use pause instruction when available.
  sparc64: Fix cpu strand yielding.
  sparc64: Make montmul/montsqr/mpmul usable in 32-bit threads.

Pull cifs fixes from Jeff Layton.

* 'for-linus' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: Do not lookup hashed negative dentry in cifs_atomic_open
  cifs: fix potential buffer overrun in cifs.idmap handling code

Pull arm64 fixes from Catalin Marinas:
 - correct argument type (pgprot_t) when calling __ioremap()
 - PCI_IOBASE virtual address change
 - use architected event for CPU cycle counter
 - fix ELF core dumping
 - select CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION
 - missing completion for secondary CPU boot
 - booting on systems with all memory beyond 4GB

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64:
  arm64: mm: fix booting on systems with no memory below 4GB
  arm64: smp: add missing completion for secondary boot
  arm64: compat: select CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION
  arm64: elf: fix core dumping definitions for GP and FP registers
  arm64: perf: use architected event for CPU cycle counter
  arm64: Move PCI_IOBASE closer to MODULES_VADDR
  arm64: Use pgprot_t as the last argument when invoking __ioremap()

Merge tag 'stable/for-linus-3.7-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen

Pull Xen fixes from Konrad Rzeszutek Wilk:
 "There are three ARM compile fixes (we forgot to export certain
  functions and if the drivers are built as an module - we go belly-up).

  There is also an mismatch of irq_enter() / exit_idle() calls sequence
  which were fixed some time ago in other piece of codes, but failed to
  appear in the Xen code.

  Lastly a fix for to help in the field with troubleshooting in case we
  cannot get the appropriate parameter and also fallback code when
  working with very old hypervisors."

Bug-fixes:
 - Fix compile issues on ARM.
 - Fix hypercall fallback code for old hypervisors.
 - Print out which HVM parameter failed if it fails.
 - Fix idle notifier call after irq_enter.

* tag 'stable/for-linus-3.7-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  xen/arm: Fix compile errors when drivers are compiled as modules (export more).
  xen/arm: Fix compile errors when drivers are compiled as modules.
  xen/generic: Disable fallback build on ARM.
  xen/events: fix RCU warning, or Call idle notifier after irq_enter()
  xen/hvm: If we fail to fetch an HVM parameter print out which flag it is.
  xen/hypercall: fix hypercall fallback code for very old hypervisors

We tried linking in a single built object to hold the device table,
but only works if all of the sparc64 crypto modules get built the same
way (modular vs. non-modular).

Just include the device ID stub into each driver source file so that
the table gets compiled into the correct result in all cases.
Reported-by: NMeelis Roos <mroos@linux.ee>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Sparc32 already supported it, as a consequence of using the
generic atomic64 implementation.  And the sparc64 implementation
is rather trivial.

This allows us to set ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE for all
of sparc, and avoid the annoying warning from lib/atomic64_test.c
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

This bug-fix makes sure that of_address_to_resource is defined extern for sparc
so that the sparc-specific implementation of of_address_to_resource() is once
again used when including include/linux/of_address.h in a sparc context. A
number of drivers in mainline relies on this function working for sparc.

The bug was introduced in a850a755, "of/address:
add empty static inlines for !CONFIG_OF". Contrary to that commit title, the
static inlines are added for !CONFIG_OF_ADDRESS, and CONFIG_OF_ADDRESS is never
defined for sparc. This is good behavior for the other functions in
include/linux/of_address.h, as the extern functions defined in
drivers/of/address.c only gets linked when OF_ADDRESS is configured. However,
for of_address_to_resource there exists a sparc-specific implementation in
arch/sparc/arch/sparc/kernel/of_device_common.c

Solution suggested by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: NAndreas Larsson <andreas@gaisler.com>
Acked-by: NRob Herring <rob.herring@calxeda.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

If an irq is being unlinked concurrently with leon_handle_ext_irq,
irq_map[eirq] might be null in leon_handle_ext_irq. Make sure that
this is not dereferenced.
Signed-off-by: NAndreas Larsson <andreas@gaisler.com>
Acked-by: NSam Ravnborg <sam@ravnborg.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>