Use devm_power_supply_register instead of power_supply_register.
Remove call to power_supply_unregister.
Signed-off-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Currently the battery detect gpio can not be used with a chained interrupt
controller that requires threaded irq handlers. Use threaded irq instead.
In addition this was not going to be working at present because
chip->power_supply is assigned after the request irq call.
Signed-off-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Use devm_kzalloc to allow memory to be freed automatically on
driver probe failure or removal.
Signed-off-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
The bq27000 and bq27010 have a single byte FLAGS register.
Other gauges have 16 bit FLAGS registers.
For reading the FLAGS register it is sufficient to read the single
register instead of reading RSOC at the next higher address as
well and then ignore the high byte.
This does not change functionality but optimizes i2c and hdq
traffic.
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Acked-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Make use of IRQ resources defined in tps65217 mfd code. If they are valid
we use them instead separate poll task, in order to define AC power state.
Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This moves all power supply drivers from drivers/power/
to drivers/power/supply/. The intention is a cleaner
source tree, since drivers/power/ also contains frameworks
unrelated to power supply, like adaptive voltage scaling.
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Driver updates for ARM SoCs.
A slew of changes this release cycle. The reset driver tree, that we merge
through arm-soc for historical reasons, is also sizable this time around.
Among the changes:
- clps711x: Treewide changes to compatible strings, merged here for simplicity.
- Qualcomm: SCM firmware driver cleanups, move to platform driver
- ux500: Major cleanups, removal of old mach-specific infrastructure.
- Atmel external bus memory driver
- Move of brcmstb platform to the rest of bcm
- PMC driver updates for tegra, various fixes and improvements
- Samsung platform driver updates to support 64-bit Exynos platforms
- Reset controller cleanups moving to devm_reset_controller_register() APIs
- Reset controller driver for Amlogic Meson
- Reset controller driver for Hisilicon hi6220
- ARM SCPI power domain support
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"Driver updates for ARM SoCs.
A slew of changes this release cycle. The reset driver tree, that we
merge through arm-soc for historical reasons, is also sizable this
time around.
Among the changes:
- clps711x: Treewide changes to compatible strings, merged here for simplicity.
- Qualcomm: SCM firmware driver cleanups, move to platform driver
- ux500: Major cleanups, removal of old mach-specific infrastructure.
- Atmel external bus memory driver
- Move of brcmstb platform to the rest of bcm
- PMC driver updates for tegra, various fixes and improvements
- Samsung platform driver updates to support 64-bit Exynos platforms
- Reset controller cleanups moving to devm_reset_controller_register() APIs
- Reset controller driver for Amlogic Meson
- Reset controller driver for Hisilicon hi6220
- ARM SCPI power domain support"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (100 commits)
ARM: ux500: consolidate base platform files
ARM: ux500: move soc_id driver to drivers/soc
ARM: ux500: call ux500_setup_id later
ARM: ux500: consolidate soc_device code in id.c
ARM: ux500: remove cpu_is_u* helpers
ARM: ux500: use CLK_OF_DECLARE()
ARM: ux500: move l2x0 init to .init_irq
mfd: db8500 stop passing around platform data
ASoC: ab8500-codec: remove platform data based probe
ARM: ux500: move ab8500_regulator_plat_data into driver
ARM: ux500: remove unused regulator data
soc: raspberrypi-power: add CONFIG_OF dependency
firmware: scpi: add CONFIG_OF dependency
video: clps711x-fb: Changing the compatibility string to match with the smallest supported chip
input: clps711x-keypad: Changing the compatibility string to match with the smallest supported chip
pwm: clps711x: Changing the compatibility string to match with the smallest supported chip
serial: clps711x: Changing the compatibility string to match with the smallest supported chip
irqchip: clps711x: Changing the compatibility string to match with the smallest supported chip
clocksource: clps711x: Changing the compatibility string to match with the smallest supported chip
clk: clps711x: Changing the compatibility string to match with the smallest supported chip
...
The cleanup branch keeps going down in size as we've completed a lot of
the major legacy platform removals and conversions.
A handful of changes this time around, some of the themes or larger sets are:
- A bunch of i.MX cleanups around platform detection, init call cleanups
- Misc fixes of missing/implicit includes
- Removal of ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB
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Merge tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Olof Johansson:
"The cleanup branch keeps going down in size as we've completed a lot
of the major legacy platform removals and conversions.
A handful of changes this time around, some of the themes or larger
sets are:
- A bunch of i.MX cleanups around platform detection, init call cleanups
- Misc fixes of missing/implicit includes
- Removal of ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB"
* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (40 commits)
ARM: mps2: fix typo
ARM: s3c64xx: avoid warning about 'struct device_node'
bus: mvebu-mbus: make mvebu_mbus_syscore_ops static
bus: mvebu-mbus: fix __iomem on register pointers
ARM: tegra: Remove board_init_funcs array
ARM: iop: Fix indentation
ARM: imx: remove cpu_is_mx*()
ARM: imx: remove last call to cpu_is_mx5*
ARM: imx: rework mx27_pm_init() call
ARM: imx: deconstruct mx3_idle
ARM: imx: deconstruct mxc_rnga initialization
ARM: imx: remove cpu_is_mx1 check
ARM: i.MX: Do not explicitly call l2x0_of_init()
ARM: i.MX: system.c: Tweak prefetch settings for performance
ARM: i.MX: system.c: Replace magic numbers
ARM: i.MX: system.c: Remove redundant errata 752271 code
ARM: i.MX: system.c: Convert goto to if statement
ARM: Kirkwood: fix kirkwood_pm_init() declaration/type
ARM: Kirkwood: make kirkwood_disable_mbus_error_propagation() static
ARM: orion5x: make orion5x_legacy_handle_irq static
...
* introduce reboot mode driver
* add DT support to max8903
* add power supply support for axp221
* misc. fixes
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Merge tag 'for-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
- introduce reboot mode driver
- add DT support to max8903
- add power supply support for axp221
- misc fixes
* tag 'for-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
power: reset: add reboot mode driver
dt-bindings: power: reset: add document for reboot-mode driver
power_supply: fix return value of get_property
power: qcom_smbb: Make an extcon for usb cable detection
max8903: adds support for initiation via device tree
max8903: adds documentation for device tree bindings.
max8903: remove unnecessary 'out of memory' error message.
max8903: removes non zero validity checks on gpios.
max8903: adds requesting of gpios.
max8903: cleans up confusing relationship between dc_valid, dok and dcm.
max8903: store pointer to pdata instead of copying it.
power_supply: bq27xxx_battery: Group register mappings into one table
docs: Move brcm,bcm21664-resetmgr.txt
power/reset: make syscon_poweroff() static
power: axp20x_usb: Add support for usb power-supply on axp22x pmics
power_supply: bq27xxx_battery: Index register numbers by enum
power_supply: bq27xxx_battery: Fix copy/paste error in header comment
MAINTAINERS: Add file patterns for power supply device tree bindings
power: reset: keystone: Enable COMPILE_TEST
Pull timer updates from Thomas Gleixner:
"This update provides the following changes:
- The rework of the timer wheel which addresses the shortcomings of
the current wheel (cascading, slow search for next expiring timer,
etc). That's the first major change of the wheel in almost 20
years since Finn implemted it.
- A large overhaul of the clocksource drivers init functions to
consolidate the Device Tree initialization
- Some more Y2038 updates
- A capability fix for timerfd
- Yet another clock chip driver
- The usual pile of updates, comment improvements all over the place"
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (130 commits)
tick/nohz: Optimize nohz idle enter
clockevents: Make clockevents_subsys static
clocksource/drivers/time-armada-370-xp: Fix return value check
timers: Implement optimization for same expiry time in mod_timer()
timers: Split out index calculation
timers: Only wake softirq if necessary
timers: Forward the wheel clock whenever possible
timers/nohz: Remove pointless tick_nohz_kick_tick() function
timers: Optimize collect_expired_timers() for NOHZ
timers: Move __run_timers() function
timers: Remove set_timer_slack() leftovers
timers: Switch to a non-cascading wheel
timers: Reduce the CPU index space to 256k
timers: Give a few structs and members proper names
hlist: Add hlist_is_singular_node() helper
signals: Use hrtimer for sigtimedwait()
timers: Remove the deprecated mod_timer_pinned() API
timers, net/ipv4/inet: Initialize connection request timers as pinned
timers, drivers/tty/mips_ejtag: Initialize the poll timer as pinned
timers, drivers/tty/metag_da: Initialize the poll timer as pinned
...
Here's the big USB driver update for 4.8-rc1. Lots of the normal stuff
in here, musb, gadget, xhci, and other updates and fixes. All of the
details are in the shortlog.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB updates from Greg KH:
"Here's the big USB driver update for 4.8-rc1. Lots of the normal
stuff in here, musb, gadget, xhci, and other updates and fixes. All
of the details are in the shortlog.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (169 commits)
cdc-acm: beautify probe()
cdc-wdm: use the common CDC parser
cdc-acm: cleanup error handling
cdc-acm: use the common parser
usbnet: move the CDC parser into USB core
usb: musb: sunxi: Simplify dr_mode handling
usb: musb: sunxi: make unexported symbols static
usb: musb: cppi41: add dma channel tracepoints
usb: musb: cppi41: move struct cppi41_dma_channel to header
usb: musb: cleanup cppi_dma header
usb: musb: gadget: add usb-request tracepoints
usb: musb: host: add urb tracepoints
usb: musb: add tracepoints to dump interrupt events
usb: musb: add tracepoints for register access
usb: musb: dsps: use musb register read/write wrappers instead
usb: musb: switch dev_dbg to tracepoints
usb: musb: add tracepoints support for debugging
usb: quirks: Add no-lpm quirk for Elan
phy: rcar-gen3-usb2: fix mutex_lock calling in interrupt
phy: rockhip-usb: use devm_add_action_or_reset()
...
Here is the big char/misc driver update for 4.8-rc1.
Not a lot of stuff, but it's all over the place, full details are in the
shortlog below. All of these have been in linux-next with no reported
issues for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the big char/misc driver update for 4.8-rc1.
Not a lot of stuff, but it's all over the place, full details are in
the shortlog. All of these have been in linux-next with no reported
issues for a while"
* tag 'char-misc-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (49 commits)
lkdtm: silence warnings about function declarations
lkdtm: hide unused functions
intel_th: pci: Add Kaby Lake PCH-H support
intel_th: Fix a deadlock in modprobing
dsp56k: prevent a harmless underflow
chardev: add missing line break in pr_warn
lkdtm: use struct arrays instead of enums
lkdtm: move jprobe entry points to start of source
lkdtm: reorganize module paramaters
lkdtm: rename globals for clarity
lkdtm: rename "count" to "crash_count"
lkdtm: remove intentional off-by-one array access
lkdtm: split remaining logic bug tests to separate file
lkdtm: split heap corruption tests to separate file
lkdtm: split memory permissions tests to separate file
lkdtm: split usercopy tests to separate file
lkdtm: drop "alloc_size" parameter
lkdtm: add usercopy test for blocking kernel text
extcon: adc-jack: add suspend/resume support
extcon: add missing of_node_put after calling of_parse_phandle
...
We now have implicit batching in the timer wheel. The slack API is no longer
used, so remove it.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Andrew F. Davis <afd@ti.com>
Cc: Arjan van de Ven <arjan@infradead.org>
Cc: Chris Mason <clm@fb.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: George Spelvin <linux@sciencehorizons.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Len Brown <lenb@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mathias Nyman <mathias.nyman@intel.com>
Cc: Pali Rohár <pali.rohar@gmail.com>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: linux-block@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-mmc@vger.kernel.org
Cc: linux-pm@vger.kernel.org
Cc: linux-usb@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: rt@linutronix.de
Link: http://lkml.kernel.org/r/20160704094342.189813118@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This driver parses the reboot commands like "reboot bootloader"
and "reboot recovery" to get a boot mode described in the
device tree , then call the write interfae to store the boot
mode in some place like special register or sram, which can
be read by the bootloader after system reboot, then the bootloader
can take different action according to the mode stored.
This is commonly used on Android based devices, in order to
reboot the device into fastboot or recovery mode.
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Moritz Fischer <moritz.fischer@ettus.com>
Tested-by: John Stultz <john.stultz@linaro.org>
Acked-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
power_supply_get_property() should ideally return -EAGAIN if it is
called while the power_supply is being registered. There was no way
previously to determine if use_cnt == 0 meant that the power_supply
wasn't fully registered yet, or if it had already been unregistered.
Add a new boolean to the power_supply struct to simply show if
registration is completed. Lastly, modify the check in
power_supply_show_property() to also ignore -EAGAIN when so it
doesn't complain about not returning the property.
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
On these PMICs the usb cable connection/disconnection is
indicated by the usb-valid interrupt being high or low
respectively. Let's make an extcon for that, so we can notify usb
drivers of the cable state.
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Stephen Boyd <stephen.boyd@linaro.org>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Adds support for device tree to setup a max8903 battery charger. DC and USB
validity are determined by looking the presence of the dok and uok gpios.
Signed-off-by: Chris Lapa <chris@lapa.com.au>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Remove the 'out of memory' error message as it is printed by the core.
Signed-off-by: Chris Lapa <chris@lapa.com.au>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Prior to this commit a zero gpio was treated as invalid. Whereas
gpio_is_valid() will treat a zero gpio as valid.
This commit removes the confusion and explicitly uses gpio_is_valid()
throughout. Which in turn results in several of the error messages becoming
redundant and thus removed.
Signed-off-by: Chris Lapa <chris@lapa.com.au>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This change ensures all gpios are available for the driver to use and also
splits off gpio setup into its own function for readability.
Signed-off-by: Chris Lapa <chris@lapa.com.au>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
The max8903_charger.h file indicated that dcm and dok were not optional
when dc_valid is set.
It makes sense to have dok as a compulsory pin when dc_valid is given.
However dcm can be optionally wired to a fixed level especially when the
circuit is configured for dc power exclusively.
The previous implementation already allowed for this somewhat, however no
error was given if dok wasn't given whilst dc_valid was.
The new implementation enforces dok presence when dc_valid is given. Whilst
allowing dcm to be optional.
Signed-off-by: Chris Lapa <chris@lapa.com.au>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Stores pointer to pdata because it easily allows pdata to reference
either platform data or in the future device tree data.
Signed-off-by: Chris Lapa <chris@lapa.com.au>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
instead of defining all functions as static inlines,
let's move them to udc-core and export them with
EXPORT_SYMBOL_GPL, that way we can make sure that
only GPL drivers will use them.
As a side effect, it'll be nicer to add tracepoints
to the gadget API.
While at that, also fix Kconfig dependencies to
avoid randconfig build failures.
Acked-By: Sebastian Reichel <sre@kernel.org>
Acked-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Currently for each device with a unique register map we have a named
array that we then merge into a multidimensional array. Skip this
middle step and apply the register arrays directly to the multi-array.
Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This bug leads to:
[ 1.906411] Unable to handle kernel NULL pointer dereference at virtual address 0000000c
[ 1.914878] pgd = c0004000
[ 1.917786] [0000000c] *pgd=00000000
[ 1.921536] Internal error: Oops: 5 [#1] SMP ARM
[ 1.926357] Modules linked in:
[ 1.929556] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.4.5 #18
[ 1.936006] Hardware name: Generic AM33XX (Flattened Device Tree)
[ 1.942383] Workqueue: events power_supply_changed_work
[ 1.947842] task: de2c41c0 ti: de2c8000 task.ti: de2c8000
[ 1.953483] PC is at tps65217_ac_get_property+0x14/0x28
[ 1.958937] LR is at tps65217_ac_get_property+0x10/0x28
Driver was trying to use drv_data in property get handler. However drv_data
was not set, so it caused NULL pointer dereference. This patch properly
sets drv_data during probe by power_supply_config parameter, so the
property get handler works as desired.
Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
Fixes: 3636859b28 ("power_supply: Add support for tps65217-charger")
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Change power_supply_read_temp() to use power_supply_get_property()
so that it will check the use_cnt and ensure it is > 0. The use_cnt
will be incremented at the end of __power_supply_register, so this
will block to case where get_property can be called before the supply
is fully registered. This fixes the issue show in the stack below:
[ 1.452598] power_supply_read_temp+0x78/0x80
[ 1.458680] thermal_zone_get_temp+0x5c/0x11c
[ 1.464765] thermal_zone_device_update+0x34/0xb4
[ 1.471195] thermal_zone_device_register+0x87c/0x8cc
[ 1.477974] __power_supply_register+0x364/0x424
[ 1.484317] power_supply_register_no_ws+0x10/0x18
[ 1.490833] bq27xxx_battery_setup+0x10c/0x164
[ 1.497003] bq27xxx_battery_i2c_probe+0xd0/0x1b0
[ 1.503435] i2c_device_probe+0x174/0x240
[ 1.509172] driver_probe_device+0x1fc/0x29c
[ 1.515167] __driver_attach+0xa4/0xa8
[ 1.520643] bus_for_each_dev+0x58/0x98
[ 1.526204] driver_attach+0x20/0x28
[ 1.531505] bus_add_driver+0x1c8/0x22c
[ 1.537067] driver_register+0x68/0x108
[ 1.542630] i2c_register_driver+0x38/0x7c
[ 1.548457] bq27xxx_battery_i2c_driver_init+0x18/0x20
[ 1.555321] do_one_initcall+0x38/0x12c
[ 1.560886] kernel_init_freeable+0x148/0x1ec
[ 1.566972] kernel_init+0x10/0xfc
[ 1.572101] ret_from_fork+0x10/0x40
Also make the same change to ps_get_max_charge_cntl_limit() and
ps_get_cur_chrage_cntl_limit() to be safe. Lastly, change the return
value of power_supply_get_property() to -EAGAIN from -ENODEV if
use_cnt <= 0.
Fixes: 297d716f62 ("power_supply: Change ownership from driver to core")
Cc: stable@vger.kernel.org
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
The dev_attr_active is not exported or defined to be used
outside the driver, so make it static to avoid the following
warning:
drivers/power/reset/vexpress-poweroff.c:77:1: warning: symbol 'dev_attr_active' was not declared. Should it be static?
Cc: Liviu Dudau <liviu.dudau@arm.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
This patch removes the deprecated notifier API of extcon framework and then use
the new extcon API[2] with the unique id[1] to indicate the each external
connector. Alter deprecated API as following:
- extcon_register_interest() -> extcon_register_notifier()
- extcon_unregister_interest() -> extcon_unregister_notifier()
- extcon_get_cable_state() -> extcon_get_cable_state_()
And, extcon alters the name of USB charger connector in patch[3] as following:
- EXTCON_CHG_USB_SDP /* Standard Downstream Port */
- EXTCON_CHG_USB_DCP /* Dedicated Charging Port */
- EXTCON_CHG_USB_CDP /* Charging Downstream Port */
- EXTCON_CHG_USB_ACA /* Accessory Charger Adapter */
[1] Commit 2a9de9c0f0
- ("extcon: Use the unique id for external connector instead of string)
[2] Commit 046050f6e6
- ("extcon: Update the prototype of extcon_register_notifier() with enum extcon
[3] Commit 11eecf910b
- ("extcon: Modify the id and name of external connector")
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-By: Sebastian Reichel <sre@kernel.org>
The syscon_poweroff() function is not exported or declared for
usage elsewhere, so make it static to avoid the folloiwing warning:
drivers/power/reset/syscon-poweroff.c:33:6: warning: symbol 'syscon_poweroff' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
The usb power-supply on the axp22x pmics is mostly identical to the
one on the axp20x pmics. One significant difference is that it cannot
measure / monitor the usb voltage / current.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Currently we use tables to map from register function to register number,
these tables assume the enum used to describe the register function
and index the register number is ordered to match the enum order. Index
the register numbers by the enum instead. This also removes the need
to comment each value with its function.
Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This driver supports reset on both BCM21664 and BCM23550.
Code is being moved from arch/arm/mach-bcm/board_bcm21664.c
Signed-off-by: Chris Brand <chris.brand@broadcom.com>
Acked-By: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Enable the COMPILE_TEST to get build coverage, except on platforms
!HAS_IOMEM (required by selected MFD_SYSCON).
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
* alternative reset driver for new at91 SoCs
* misc. fixes
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Merge tag 'for-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
- alternative reset driver for new at91 SoCs
- misc fixes
* tag 'for-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
sbs-battery: fix power status when battery charging near dry
power: ipaq-micro-battery: freeing the wrong variable
power/max8925: freeing wrong variable
power: reset: at91-shdwc: add new shutdown controller driver
ARM: dts: at91: shdwc binding: add new shutdown controller documentation
IO-domain handling is part of the general register files, so should live
under the grf directly. This change allows the grf to be a simple-mfd and
the io-domains fetching the syscon regmap from that parent-node.
The old binding is of course preserved, though deprecated.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Tested-by: David Wu <david.wu@rock-chips.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
POWER_SUPPLY_STATUS_NOT_CHARGING is used for AC connected, but
battery not charging (e.g. because battery temperature is out
of acceptable range).
When battery is charging near dry and BATTERY_FULL_DISCHARGED is set,
it is wrong to set as POWER_SUPPLY_STATUS_NOT_CHARGING.
Just use BATTERY_DISCHARGING to decide the power supply status is
discharging or charging.
Signed-off-by: YH Huang <yh.huang@mediatek.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
We accidentally free "micro_ac_power" which is an error pointer and it
leads to an oops. We intended to free "micro_batt_power".
Fixes: a2c1d53185 ('power_supply: ipaq_micro_battery: Check return values in probe')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
We were freeing "info->battery" instead of "info->usb", which leads to
an OOps and a resource leak.
The labels were wonky, "out_battery" did release the battery but out_usb
did not release usb. I was introducing a call to free usb so it sort
conflicted with existing misleading name. I renamed them.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Sama5d2 SoC has a completely new shutdown controller with new features and
register layout. It thus makes sense to add a new driver for this new
peripheral.
This driver is Device Tree only and handles events from the wake-up pin and
the RTC.
As the register layout may change in the future, so some values are encoded
in a configuration structure.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
- Fix for an intel_pstate driver issue related to the handling of
MSR updates uncovered by the recent cpufreq rework (Rafael Wysocki).
- cpufreq core cleanups related to starting governors and frequency
synchronization during resume from system suspend and a locking
fix for cpufreq_quick_get() (Rafael Wysocki, Richard Cochran).
- acpi-cpufreq and powernv cpufreq driver updates (Jisheng Zhang,
Michael Neuling, Richard Cochran, Shilpasri Bhat).
- intel_idle driver update preventing some Skylake-H systems
from hanging during initialization by disabling deep C-states
mishandled by the platform in the problematic configurations (Len
Brown).
- Intel Xeon Phi Processor x200 support for intel_idle (Dasaratharaman
Chandramouli).
- cpuidle menu governor updates to make it always honor PM QoS
latency constraints (and prevent C1 from being used as the
fallback C-state on x86 when they are set below its exit latency)
and to restore the previous behavior to fall back to C1 if the next
timer event is set far enough in the future that was changed in 4.4
which led to an energy consumption regression (Rik van Riel, Rafael
Wysocki).
- New device ID for a future AMD UART controller in the ACPI driver
for AMD SoCs (Wang Hongcheng).
- Rockchip rk3399 support for the rockchip-io-domain adaptive voltage
scaling (AVS) driver (David Wu).
- ACPI PCI resources management fix for the handling of IO space
resources on architectures where the IO space is memory mapped
(IA64 and ARM64) broken by the introduction of common ACPI
resources parsing for PCI host bridges in 4.4 (Lorenzo Pieralisi).
- Fix for the ACPI backend of the generic device properties API
to make it parse non-device (data node only) children of an
ACPI device correctly (Irina Tirdea).
- Fixes for the handling of global suspend flags (introduced in 4.4)
during hibernation and resume from it (Lukas Wunner).
- Support for obtaining configuration information from Device Trees
in the PM clocks framework (Jon Hunter).
- ACPI _DSM helper code and devfreq framework cleanups (Colin Ian
King, Geert Uytterhoeven).
/
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Merge tag 'pm+acpi-4.6-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixlet from Rafael Wysocki:
"One of commits in my previous pull request changed the permissions of
drivers/power/avs/rockchip-io-domain.c to executable by mistake"
* tag 'pm+acpi-4.6-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Fix permissions of drivers/power/avs/rockchip-io-domain.c
The permissions of this file were modified by commit (f447671b9e PM /
AVS: rockchip-io: add io selectors and supplies for rk3399) by mistake,
so fix them.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- Fix for an intel_pstate driver issue related to the handling of
MSR updates uncovered by the recent cpufreq rework (Rafael Wysocki).
- cpufreq core cleanups related to starting governors and frequency
synchronization during resume from system suspend and a locking
fix for cpufreq_quick_get() (Rafael Wysocki, Richard Cochran).
- acpi-cpufreq and powernv cpufreq driver updates (Jisheng Zhang,
Michael Neuling, Richard Cochran, Shilpasri Bhat).
- intel_idle driver update preventing some Skylake-H systems
from hanging during initialization by disabling deep C-states
mishandled by the platform in the problematic configurations (Len
Brown).
- Intel Xeon Phi Processor x200 support for intel_idle (Dasaratharaman
Chandramouli).
- cpuidle menu governor updates to make it always honor PM QoS
latency constraints (and prevent C1 from being used as the
fallback C-state on x86 when they are set below its exit latency)
and to restore the previous behavior to fall back to C1 if the next
timer event is set far enough in the future that was changed in 4.4
which led to an energy consumption regression (Rik van Riel, Rafael
Wysocki).
- New device ID for a future AMD UART controller in the ACPI driver
for AMD SoCs (Wang Hongcheng).
- Rockchip rk3399 support for the rockchip-io-domain adaptive voltage
scaling (AVS) driver (David Wu).
- ACPI PCI resources management fix for the handling of IO space
resources on architectures where the IO space is memory mapped
(IA64 and ARM64) broken by the introduction of common ACPI
resources parsing for PCI host bridges in 4.4 (Lorenzo Pieralisi).
- Fix for the ACPI backend of the generic device properties API
to make it parse non-device (data node only) children of an
ACPI device correctly (Irina Tirdea).
- Fixes for the handling of global suspend flags (introduced in 4.4)
during hibernation and resume from it (Lukas Wunner).
- Support for obtaining configuration information from Device Trees
in the PM clocks framework (Jon Hunter).
- ACPI _DSM helper code and devfreq framework cleanups (Colin Ian
King, Geert Uytterhoeven).
/
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Merge tag 'pm+acpi-4.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management and ACPI updates from Rafael Wysocki:
"The second batch of power management and ACPI updates for v4.6.
Included are fixups on top of the previous PM/ACPI pull request and
other material that didn't make into it but still should go into 4.6.
Among other things, there's a fix for an intel_pstate driver issue
uncovered by recent cpufreq changes, a workaround for a boot hang on
Skylake-H related to the handling of deep C-states by the platform and
a PCI/ACPI fix for the handling of IO port resources on non-x86
architectures plus some new device IDs and similar.
Specifics:
- Fix for an intel_pstate driver issue related to the handling of MSR
updates uncovered by the recent cpufreq rework (Rafael Wysocki).
- cpufreq core cleanups related to starting governors and frequency
synchronization during resume from system suspend and a locking fix
for cpufreq_quick_get() (Rafael Wysocki, Richard Cochran).
- acpi-cpufreq and powernv cpufreq driver updates (Jisheng Zhang,
Michael Neuling, Richard Cochran, Shilpasri Bhat).
- intel_idle driver update preventing some Skylake-H systems from
hanging during initialization by disabling deep C-states mishandled
by the platform in the problematic configurations (Len Brown).
- Intel Xeon Phi Processor x200 support for intel_idle
(Dasaratharaman Chandramouli).
- cpuidle menu governor updates to make it always honor PM QoS
latency constraints (and prevent C1 from being used as the fallback
C-state on x86 when they are set below its exit latency) and to
restore the previous behavior to fall back to C1 if the next timer
event is set far enough in the future that was changed in 4.4 which
led to an energy consumption regression (Rik van Riel, Rafael
Wysocki).
- New device ID for a future AMD UART controller in the ACPI driver
for AMD SoCs (Wang Hongcheng).
- Rockchip rk3399 support for the rockchip-io-domain adaptive voltage
scaling (AVS) driver (David Wu).
- ACPI PCI resources management fix for the handling of IO space
resources on architectures where the IO space is memory mapped
(IA64 and ARM64) broken by the introduction of common ACPI
resources parsing for PCI host bridges in 4.4 (Lorenzo Pieralisi).
- Fix for the ACPI backend of the generic device properties API to
make it parse non-device (data node only) children of an ACPI
device correctly (Irina Tirdea).
- Fixes for the handling of global suspend flags (introduced in 4.4)
during hibernation and resume from it (Lukas Wunner).
- Support for obtaining configuration information from Device Trees
in the PM clocks framework (Jon Hunter).
- ACPI _DSM helper code and devfreq framework cleanups (Colin Ian
King, Geert Uytterhoeven)"
* tag 'pm+acpi-4.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (23 commits)
PM / AVS: rockchip-io: add io selectors and supplies for rk3399
intel_idle: Support for Intel Xeon Phi Processor x200 Product Family
intel_idle: prevent SKL-H boot failure when C8+C9+C10 enabled
ACPI / PM: Runtime resume devices when waking from hibernate
PM / sleep: Clear pm_suspend_global_flags upon hibernate
cpufreq: governor: Always schedule work on the CPU running update
cpufreq: Always update current frequency before startig governor
cpufreq: Introduce cpufreq_update_current_freq()
cpufreq: Introduce cpufreq_start_governor()
cpufreq: powernv: Add sysfs attributes to show throttle stats
cpufreq: acpi-cpufreq: make Intel/AMD MSR access, io port access static
PCI: ACPI: IA64: fix IO port generic range check
ACPI / util: cast data to u64 before shifting to fix sign extension
cpufreq: powernv: Define per_cpu chip pointer to optimize hot-path
cpuidle: menu: Fall back to polling if next timer event is near
cpufreq: acpi-cpufreq: Clean up hot plug notifier callback
intel_pstate: Do not call wrmsrl_on_cpu() with disabled interrupts
cpufreq: Make cpufreq_quick_get() safe to call
ACPI / property: fix data node parsing in acpi_get_next_subnode()
ACPI / APD: Add device HID for future AMD UART controller
...
This adds the necessary data for handling io voltage domains on the rk3399.
As interesting tidbit, the rk3399 contains two separate iodomain areas.
One in the regular General Register Files (GRF) and one in PMUGRF in the
pmu power domain.
Signed-off-by: David Wu <david.wu@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Merge second patch-bomb from Andrew Morton:
- a couple of hotfixes
- the rest of MM
- a new timer slack control in procfs
- a couple of procfs fixes
- a few misc things
- some printk tweaks
- lib/ updates, notably to radix-tree.
- add my and Nick Piggin's old userspace radix-tree test harness to
tools/testing/radix-tree/. Matthew said it was a godsend during the
radix-tree work he did.
- a few code-size improvements, switching to __always_inline where gcc
screwed up.
- partially implement character sets in sscanf
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (118 commits)
sscanf: implement basic character sets
lib/bug.c: use common WARN helper
param: convert some "on"/"off" users to strtobool
lib: add "on"/"off" support to kstrtobool
lib: update single-char callers of strtobool()
lib: move strtobool() to kstrtobool()
include/linux/unaligned: force inlining of byteswap operations
include/uapi/linux/byteorder, swab: force inlining of some byteswap operations
include/asm-generic/atomic-long.h: force inlining of some atomic_long operations
usb: common: convert to use match_string() helper
ide: hpt366: convert to use match_string() helper
ata: hpt366: convert to use match_string() helper
power: ab8500: convert to use match_string() helper
power: charger_manager: convert to use match_string() helper
drm/edid: convert to use match_string() helper
pinctrl: convert to use match_string() helper
device property: convert to use match_string() helper
lib/string: introduce match_string() helper
radix-tree tests: add test for radix_tree_iter_next
radix-tree tests: add regression3 test
...
The new helper returns index of the mathing string in an array. We
would use it here.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The new helper returns index of the mathing string in an array. We
would use it here.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* add types for USB Type C and PD chargers
* add act8945a charger driver
* add ACPI/DT bindings for goldfish-battery
* add support for versatile reset controller
* misc. fixes
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Merge tag 'for-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset changes from Sebastian Reichel:
- add types for USB Type C and PD chargers
- add act8945a charger driver
- add ACPI/DT bindings for goldfish-battery
- add support for versatile reset controller
- misc fixes
* tag 'for-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (24 commits)
power: pm2301-charger: use __maybe_unused to hide pm functions
power: ipaq-micro-battery: use __maybe_unused to hide pm functions
power_supply: 88pm860x_charger: do not pass NULL to power_supply_put
jz4740-battery: Correct voltage change check
power_supply: lp8788-charger: initialize boolean 'found'
goldfish: Enable ACPI-based enumeration for goldfish battery
power: goldfish_battery: add devicetree bindings
power: act8945a: add charger driver for ACT8945A
power: add documentation for ACT8945A's charger DT bindings
ARM: dts: n900: Rename isp1704 to isp1707 to match correct name
power_supply: bq27xxx_battery: Add of modalias and match table when CONFIG_OF is enabled
power_supply: bq2415x_charger: Add of modalias and match table when CONFIG_OF is enabled
power_supply: bq2415x_charger: Do not add acpi modalias when CONFIG_ACPI is not enabled
power_supply: isp1704_charger: Add compatible of match for nxp,isp1707
power_supply: isp1704_charger: Error messages when probe fail
power_supply: Add types for USB Type C and PD chargers
power: bq24735-charger: add 'ti,external-control' option
power: bq24735-charger: document 'ti,external-control' option
power: bq24735-charger: fix failed i2c with ac-detect
power: reset: Fix dependencies for !HAS_IOMEM archs
...
