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If there is no ti,ac-detect-gpios configured, it is normal to
have failed reads of the options register. So, hold back on the
log spamming.
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
It is possible to verify AC adapter presence via a register read, without
any physical connection to the ACOK pin on the charger. Allow this.
Signed-off-by: Peter Rosin <peda@axentia.se>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Prior to this commit the code was using 1 notifier_block for all
types of charger cable, this is incorrect as the notifier_block
becomes part of a linked-list and now the same notifier_block
is part of 3 linked lists.
This commit fixes this by using a separate nb per extcon cable.
Note this happened to work fine sofar because axp288_charger was the only
listener, so when added to each of the 3 notifier chains, the next pointer
in the nb would be set to 0, so we've 3 heads pointing to the same nb,
with its next pointing to NULL. But as soon as we mix in a second extcon
consumer things will go boom.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Add a MODULE_DEVICE_TABLE to fix the module not auto-loading.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Setting the irq_enable bits is taken care of by the irq chip when we
request the irqs and the driver should not be meddling with the
irq?_en registers itself.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
To set a bit to 1 one needs to pass the mask for the bit to set
as second argument into regmap_update_bits, not "1".
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Do not wait for an extcon notification before processing the cable
states, instead queue the otg / cable work on probe to make sure we
immediately process the initial hardware state.
Note this also requiree moving the getting of the USB_HOST cable state
from the extcon notifier to the workqueue function.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Remove info->health, info->present and info->online caching, as no code
is reading the cached values.
Remove if (changed) check before calling power_supply_changed(), we
return early from axp288_charger_extcon_evt_worker if nothing has
changed, so the check is not needed.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Deal with the charger type changing without a vbus-disconnect being
reported in between the 2 charger type states:
-Do not return from axp288_charger_extcon_evt_worker early in this case
(track old_chg_type)
-Make calling axp288_charger_enable_charger with the same value as before
a nop, to avoid the need for the caller to check this
-Do no do a dev_err when axp288_charger_enable_charger returns an error,
axp288_charger_enable_charger already returns an error itself
-Disable the charger before changing the charge-current setting (nop if
vbus was seen as disconnected before the change)
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Nothing was setting info->otg.cable, so the extcon_get_cable_state_
calls on it would always return -EINVAL.
This commit fixes this by actually setting info->otg.cable using the new
extcon_get_extcon_dev_by_cable_id function.
This commit also makes failing to register the extcon notifier for the
USB_HOST cable an error rather then a warning, because we MUST have this
notfier to properly disable the VBUS path when in host mode so that we're
not drawing current from the 5V boost converter which is supplying power
to the otg port when in host mode.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Move the charger_init_hw_regs() above the power_supply_register call,
the axp288_charger_usb_set_property() uses axp288_chrg_info.max_cv and
.max_cc which get set by charger_init_hw_regs().
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
The extcon notifier work calls power_supply_changed on the power_supply
we register, so the extcon notifiers should be registered after we
register the power_supply.
While touching this code anyways, refactor the code for the 3 cable types
into a loop to avoid code repetition.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Use devm_power_supply_register instead of power_supply_register,
this avoids the need to do manual cleanup and results in quite
a nice code cleanup.
Note it may seem excessive to add a "struct device *dev" helper local
variable for the 1 time it is used in this patch, but future patches
in this series also use it.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This adds support for sbs-charger compilant chips as defined here:
http://sbs-forum.org/specs/sbc110.pdf
This was tested on a arm board connected to an LTC4100 battery charger
chip.
Signed-off-by: Nicolas Saenz Julienne <nicolas.saenz@prodys.net>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
So what if there is a status_gpio specified? bq24735_charger_is_present()
do have a working fallback for the case of no status_gpio.
Simplify this by not special casing setups w/o status_gpio, folding
two consecutive if-blocks in the process.
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
During probe, it makes no sense to take care to first not issue any
i2c commands to verify if the connected part really is a bq24735, to
later simply fail the probe in the next step when trying to configure
the charger. So, delay configuration of the charging parameters until
the charger is accessible (i.e. when the AC adapter is present) as
part of enabling the charging.
This also fixes the rather serious issue that the charging parameters
are lost when the AC adapter is disconnected.
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
bq24735_enable_charging() needs to call bq24735_config_charging(),
which is something to change later, this is just a preparatory patch.
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
"tps65217-charger" is more appropriate name because the driver supports
not only AC but also USB charger.
Signed-off-by: Milo Kim <woogyom.kim@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Replace 'ac' of tps65217_charger structure with 'psy'.
Signed-off-by: Milo Kim <woogyom.kim@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This driver supports AC and USB chargers. Generic name is preferred.
Replace 'ac_online' with 'online'.
Signed-off-by: Milo Kim <woogyom.kim@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
TPS65217 has two charger interrupts - AC and USB power status change.
Interrupt number in the TPS65217 driver data:
IRQ number is only used on requesting the interrupt, so no need to keep
it inside the driver data.
Interrupt handler:
Check not only AC but also USB charger status.
In both cases, enable charging operation.
Interrupt request:
If an interrupt number is invalid, then use legacy polling thread.
Otherwise, create IRQ threads to handle AC and USB charger event.
Signed-off-by: Milo Kim <woogyom.kim@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Use the task_struct variable for running polling thread. If polling task
is activated, then use it to stop running thread.
This is a preceding step of supporting two interrupts of TPS65217 charger,
so checking single IRQ number is not appropriate when the module is removed.
Signed-off-by: Milo Kim <woogyom.kim@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This patch replaces the deprecated extcon API as following:
- extcon_set_cable_state_() -> extcon_set_state_sync()
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This patch uses the resource-managed extcon API for extcon_register_notifier()
and replaces the deprecated extcon API as following:
- extcon_get_cable_state_() -> extcon_get_state()
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Use managed resource function devm_power_supply_register instead of
power_supply_register to simplify the error path by allowing unregistering
to happen automatically on error and remove.
Removing max8997_battery_remove function also as it is now redundant.
Also removing out of memory printk message after kzalloc as there is
already enough information on failure.
Signed-off-by: Srikant Ritolia <s.ritolia@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
The X-Powers AXP223 shares most of its behaviour with the AXP221 PMIC
but allows the VBUS power supply max current to be set to 100mA (like
the AXP209 PMIC).
This basically adds a new compatible to the VBUS power supply driver and
adds a check on the compatible when setting current max limit.
Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
AXP20X and AXP22X PMICs allow setting the min voltage and max current of
VBUS power supply. This adds entries in sysfs to allow to do so.
Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This replaces calls to of_device_is_compatible to check data field of
of_device_id matched when probing the driver.
Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
If the ac-detect gpio does not support interrupts, provide a fallback
to poll the gpio at a configurable interval.
Signed-off-by: Peter Rosin <peda@axentia.se>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
In order for the MSB -> LSB latching to work correctly we must read the
2 8 bit registers of a 12 bit value in one consecutive read.
This fixes voltage_ocv reporting inconsistent values on my tablet.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
In order for the MSB -> LSB latching to work correctly we must read the
2 8 bit registers of a 15 bit value in one consecutive read.
This fixes charge_full reporting 3498768 on some reads and 3354624 one
other reads on my tablet (for the 3354624 value the raw LSB is 0x00).
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
If reading the register fails, return the actual error code, instead
of the uninitialized val variable;
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
When the axp288_faul_gauge driver was originally merged, it was
merged with a dependency on some other driver providing platform
data for it.
However the battery-data-framework which should provide that data
never got merged, resulting in x86 tablets / laptops with an axp288
having no working battery monitor, as before this commit the driver
would simply return -ENODEV if there is no platform data.
This commit removes the dependency on the platform_data instead
checking that the firmware has initialized the fuel-gauge and
reading the info back from the pmic.
What is missing from the read-back info is the table to map raw adc
values to temperature, so this commit drops the temperature and
temperature limits properties. The min voltage, charge design and
model name info is also missing. Note that none of these are really
important for userspace to have.
All other functionality is preserved and actually made available
by this commit.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=88471
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
When the axp288_charger driver was originally merged, it was merged with
a dependency on some other driver providing platform data for it.
However the battery-data-framework which should provide that data never
got merged, so the axp288_charger as merged upstream has never worked,
its probe method simply always returns -ENODEV.
This commit removes the dependency on the platform_data instead reading
back the charging current and charging voltage that the firmware has set
and using those values as the maximum values the user may set.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Make charger_init_hw_regs propagate i2c errors, instead of only warning
about them and then ignoring them.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
ktime_set(S,N) was required for the timespec storage type and is still
useful for situations where a Seconds and Nanoseconds part of a time value
needs to be converted. For anything where the Seconds argument is 0, this
is pointless and can be replaced with a simple assignment.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
As the power supply framework provides a way to store and retrieve
private supply data, use it.
In the process, change the platform data for wm97xx_battery from a
container of a single struct wm97xx_batt_pdata to the direct point to wm97xx_batt_pdata.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Use DEVICE_ATTR_RO for read only attributes. This simplifies the source
code, improves readbility, and reduces the chance of inconsistencies.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@ro@
declarer name DEVICE_ATTR;
identifier x,x_show;
@@
DEVICE_ATTR(x, \(0444\|S_IRUGO\), x_show, NULL);
@script:ocaml@
x << ro.x;
x_show << ro.x_show;
@@
if not (x^"_show" = x_show) then Coccilib.include_match false
@@
declarer name DEVICE_ATTR_RO;
identifier ro.x,ro.x_show;
@@
- DEVICE_ATTR(x, \(0444\|S_IRUGO\), x_show, NULL);
+ DEVICE_ATTR_RO(x);
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
The alias for the ipaq_micro_battery driver is incorrect, fix it so the
module can be auto-loaded.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
The BQ27510 and BQ27520 use a slightly different register map than the
BQ27500, add a new type enum and add these gauges to it.
Fixes: d74534c277 ("power: bq27xxx_battery: Add support for additional bq27xxx family devices")
Based-on-patch-by: Kenneth R. Crudup <kenny@panix.com>
Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
There's a typo, it should do pm_runtime_get_sync, not put.
Fixes: d7bf353fd0 ("bq24190_charger: Add support for TI BQ24190 Battery Charger")
Cc: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Mark Greer <mgreer@animalcreek.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
When testing SD hotplug automatically, I got bunch of
useless log like this:
[ 588.357838] mmc0: card 0007 removed
[ 589.492664] rockchip-iodomain ff770000.syscon:io-domains: Setting to 3300000 done
[ 589.500698] vccio_sd: ramp_delay not set
[ 589.504817] rockchip-iodomain ff770000.syscon:io-domains: Setting to 3300000 done
[ 589.669705] rockchip-iodomain ff770000.syscon:io-domains: Setting to 3300000 done
[ 589.677593] vccio_sd: ramp_delay not set
[ 589.681581] rockchip-iodomain ff770000.syscon:io-domains: Setting to 1800000 done
[ 590.032820] dwmmc_rockchip ff0c0000.dwmmc: Successfully tuned phase to 140
[ 590.039725] mmc0: new ultra high speed SDR50 SDHC card at address 0007
[ 590.046641] mmcblk0: mmc0:0007 SD32G 29.3 GiB
[ 590.052163] mmcblk0: p1
Moreover the code is intent to print the 'uV' for debug but
later print it using dev_info. It looks more like to me that
it should be the real intention of the code. Anyway, let's
mark this verbose log as debug message.
Signed-off-by: Shawn Lin <shawn.lin@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>
We checked that "pdata->chg_params" is non-NULL earlier in this function
so when we add "i" to it, it's still non-NULL.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Milo Kim <milo.kim@ti.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
If the driver is built as a module, autoload won't work because the module
alias information is not filled. So user-space can't match the registered
device with the corresponding module.
Export the module alias information using the MODULE_DEVICE_TABLE() macro.
Before this patch:
$ modinfo drivers/power/reset/zx-reboot.ko | grep alias
$
After this patch:
$ modinfo drivers/power/reset/zx-reboot.ko | grep alias
alias: of:N*T*Czte,sysctrlC*
alias: of:N*T*Czte,sysctrl
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
If the driver is built as a module, autoload won't work because the module
alias information is not filled. So user-space can't match the registered
device with the corresponding module.
Export the module alias information using the MODULE_DEVICE_TABLE() macro.
Before this patch:
$ modinfo drivers/power/reset/syscon-reboot-mode.ko | grep alias
$
After this patch:
$ modinfo drivers/power/reset/syscon-reboot-mode.ko | grep alias
alias: of:N*T*Csyscon-reboot-modeC*
alias: of:N*T*Csyscon-reboot-mode
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
If the driver is built as a module, autoload won't work because the module
alias information is not filled. So user-space can't match the registered
device with the corresponding module.
Export the module alias information using the MODULE_DEVICE_TABLE() macro.
Before this patch:
$ modinfo drivers/power/reset/at91-poweroff.ko | grep alias
$
After this patch:
$ modinfo drivers/power/reset/at91-poweroff.ko | grep alias
alias: of:N*T*Catmel,at91sam9x5-shdwcC*
alias: of:N*T*Catmel,at91sam9x5-shdwc
alias: of:N*T*Catmel,at91sam9rl-shdwcC*
alias: of:N*T*Catmel,at91sam9rl-shdwc
alias: of:N*T*Catmel,at91sam9260-shdwcC*
alias: of:N*T*Catmel,at91sam9260-shdwc
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
If the driver is built as a module, autoload won't work because the module
alias information is not filled. So user-space can't match the registered
device with the corresponding module.
Export the module alias information using the MODULE_DEVICE_TABLE() macro.
Before this patch:
$ modinfo drivers/power/reset/at91-reset.ko | grep alias
$
After this patch:
$ modinfo drivers/power/reset/at91-reset.ko | grep alias
alias: of:N*T*Catmel,sama5d3-rstcC*
alias: of:N*T*Catmel,sama5d3-rstc
alias: of:N*T*Catmel,at91sam9g45-rstcC*
alias: of:N*T*Catmel,at91sam9g45-rstc
alias: of:N*T*Catmel,at91sam9260-rstcC*
alias: of:N*T*Catmel,at91sam9260-rstc
alias: platform:at91-sam9g45-reset
alias: platform:at91-sam9260-reset
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
If the driver is built as a module, autoload won't work because the module
alias information is not filled. So user-space can't match the registered
device with the corresponding module.
Export the module alias information using the MODULE_DEVICE_TABLE() macro.
Before this patch:
$ modinfo drivers/power/supply/axp288_fuel_gauge.ko | grep alias
$
After this patch:
$ modinfo drivers/power/supply/axp288_fuel_gauge.ko | grep alias
alias: platform:axp288_fuel_gauge
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
If the driver is built as a module, autoload won't work because the module
alias information is not filled. So user-space can't match the registered
device with the corresponding module.
Export the module alias information using the MODULE_DEVICE_TABLE() macro.
Before this patch:
$ modinfo drivers/power/supply/max8997_charger.ko | grep alias
$
After this patch:
$ modinfo drivers/power/supply/max8997_charger.ko | grep alias
alias: platform:max8997-battery
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
According to the datasheet, MAX17040 has six 16-bit registers.
Register reads and writes are only valid if all 16 bits are transferred.
Any write command that is terminated early is ignored.
So it's better to change register transacton length from 8 bits to 16 bits.
Signed-off-by: Liu Xiang <liu.xiang6@zte.com.cn>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
To avoid canceling the delayed workqueue needlessly, and scheduling an
immediate polling. Check if the new poll_interval value is different
than the previous setting.
Cc: Tony Lindgren <tony@atomide.com>
Cc: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Matt Ranostay <matt@ranostay.consulting>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
In drivers/power/supply/ab8500_fg.c, fix two typos and adjust the function
name in two cases to correspond to the names of the defined functions.
In drivers/power/supply/power_supply_core.c, change two variable names to
the names of the corresponding parameters.
Issue detected using Coccinelle (http://coccinelle.lip6.fr/)
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Add a driver which allows powering off the system via an Intel PIIX4
southbridge, by entering the PIIX4 SOff state. This is useful on the
MIPS Malta development board, where it will power down the FPGA based
board until its ON/NMI button is pressed, or the QEMU implementation of
the MIPS Malta board where it will cause QEMU to exit.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: linux-pm@vger.kernel.org
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Fix issue with poll_interval being not updated till the previous
interval expired.
Cc: Tony Lindgren <tony@atomide.com>
Cc: Liam Breck <liam@networkimprov.net>
Signed-off-by: Matt Ranostay <matt@ranostay.consulting>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
There where still a few lingering references to pdata after commit
power: supply: sbs-battery: simplify DT parsing.
Remove pdata from struct·sbs_info and conditional checks to ser if this
was set from the i2c read / write functions.
Instead of call max in each function for incrementing poll_retry_count
do it once in the probe function.
Fixup null pointer dereference in to pdata in sbs_external_power_changed.
Change retry counts to u32 to avoid need for max.
Signed-off-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This patch removes support for STiH415/6 SoC's from the
st-poweroff driver, as support for these platforms is
being removed from the kernel.
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Cc: <linux-pm@vger.kernel.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Free memory mapping, if probe is not successful.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Free memory mapping, if probe is not successful.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
The combo of list_empty() check and return list_first_entry()
can be replaced with list_first_entry_or_null().
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
A dev_err message spans two lines and the literal string is missing
a white space between words. Add the white space.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
According to the Smart Battery Data Specification, the use
of ManufacturerAcess (register 0x0) is implementation-defined.
It appears that some batteries use writes to this register
in order to implement certain functionality, but others may
simply NAK all writes to it. As a result, write failures to
ManufacturerAccess should not be used as an indicator of
battery presence, nor as a failure to enter sleep mode.
The failed write access was seen with SANYO AP13J3K.
Cc: Brian Norris <briannorris@chromium.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
bq->charger is initialized in bq24257_power_supply_init.
Therefore, bq24257_power_supply_init should be called before the
registration of the IRQ handler bq24257_irq_handler_thread that calls
power_supply_changed(bq->charger).
Signed-off-by: Georges Savoundararadj <savoundg@gmail.com>
Cc: Aurelien Chanot <chanot.a@gmail.com>
Cc: Andreas Dannenberg <dannenberg@ti.com>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Fixes: 2219a93596 ("power_supply: Add TI BQ24257 charger driver")
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Use a more common logging style.
Miscellanea:
o Use pr_warn
o Coalesce formats adding missing spaces
o Argument alignment
o Remove unnecessary OOM messages as k.alloc does stack dumps
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Nishanth Menon <nm@ti.com>
[khilman: update shortlog]
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
After the change to use the gpio descriptor interface, we get a warning if
-Wmaybe-uninitialized is added back to the build flags (it is currently
disabled:
drivers/power/supply/sbs-battery.c: In function 'sbs_probe':
drivers/power/supply/sbs-battery.c:760:28: error: 'pdata' may be used uninitialized in this function [-Werror=maybe-uninitialized]
The problem is that if neither the DT properties nor a platform_data
pointer are provided, the chip->pdata pointer gets set to an uninitialized
value.
Looking at the code some more, I found that the sbs_of_populate_pdata
function is more complex than necessary and has confusing calling
conventions of possibly returning a valid pointer, a NULL pointer
or an ERR_PTR pointer (in addition to the uninitialized pointer).
To fix all of that, this gets rid of the chip->pdata pointer and
simply moves the two integers into the sbs_info structure. This
makes it much clearer from reading sbs_probe() what the precedence
of the three possible values are (pdata, DT, hardcoded defaults)
and completely avoids the #ifdef CONFIG_OF guards as
of_property_read_u32() gets replaced with a compile-time stub
when that is disabled, and returns an error if passed a NULL of_node
pointer.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 3b5dd3a494 ("power: supply: sbs-battery: Use gpio_desc and sleeping calls for battery detect")
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This requests the status GPIO with initial input setup. It is required
to read the GPIO status at probe time and thus correctly avoid sending
I2C messages when AC is not plugged.
When requesting the GPIO without initial input setup, it always reads 0
which causes probe to fail as it assumes the charger is connected, sends
I2C messages and fails.
While at it, this switches the driver over to gpiod API.
Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Switch to using new gpio_desc interface and devm gpio get calls to
automatically manage gpio resource. Use gpiod_get_value which handles
active high / low calls.
If gpio_detect is set then force loading of the driver as it is
reasonable to assume that the battery may not be present.
Update the is_present flag immediately in the IRQ.
Remove legacy gpio specification from platform data.
Signed-off-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Add the power supply's current max property,
POWER_SUPPLY_PROP_CURRENT_MAX.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Add the power supply capacity level property, it corresponds to
POWER_SUPPLY_CAPACITY_LEVEL_*.
It also utilizes the precision voltage detector function module
to catch the low battery voltage.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
The power supply type property is varying as the external power
supply changes. It is not a constant.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Add the charger status change interrupt support, it will report
the power supply changed event.
This interrupt is generated by one of the conditions as below:
- the state machine jumps out of or into the EOC state
- the CHGIN input voltage goes out of or into the valid range.
- the battery temperature goes out of or into the valid range.
- the PRECHARGE time-out occurs.
- the total charge time-out occurs.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
When get the property, first check the charger state machine,
then check the status bit to decide what value is assigned to
the corresponding property.
Retain the SUSCHG bit of REG 0x71 when configure the timers to
avoid losting the charger suspending info after boot.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Remove "battery_temperature" member, it is redundant, it is the
hardware's responsibility to handle TH pin properly.
It is unnecessary to use the dt property to check if there is
a battery temperature monitor or not.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Since the act8945a_charger is regarded as a sub-device, all properties will
be assigned to its own device node. All properties can be achieved from its
own node, instead of from its parent device.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
When the charger is missing (disconnected), it is safe to assume that
the charger chip is no charging.
This is especially relevant when a status GPIO is present and the
charger is getting disconnected. bq24735_charger_is_charging will be
triggered due to the interrupt then, it will attempt to read whether it
is charging through i2c, which will fail as the charger is disconnected.
This also fixes that specific issue.
Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Change my email address to kernel.org instead of Samsung one for the
purpose of any future contact. The copyrights remain untouched and are
attributed to Samsung.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
alloc_ordered_workqueue() with WQ_MEM_RECLAIM set replaces
deprecated create_singlethread_workqueue(). This is the identity
conversion.
The workqueue "monitor_wqueue" is used to monitor the battery
status. It has been identity converted.
It queues multiple work items viz &di->monitor_work,
&di->set_charged_work, which require execution ordering.
Hence, alloc_workqueue has been used to replace the
deprecated create_singlethread_workqueue instance.
WQ_MEM_RECLAIM flag has been set to ensure forward progress under
memory pressure.
Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
alloc_ordered_workqueue() with WQ_MEM_RECLAIM set replaces
deprecated create_singlethread_workqueue(). This is the identity
conversion.
The workqueue "fg_wq" is used for running the FG algorithm periodically.
It has been identity converted.
It has multiple work items viz fg_periodic_work, fg_low_bat_work,
fg_reinit_work, fg_work, fg_acc_cur_work and fg_check_hw_failure_work,
which require execution ordering. Hence, a dedicated ordered workqueue
has been used here.
The WQ_MEM_RECLAIM flag has been set to guarantee forward progress under
memory pressure.
Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
The workqueue "wq" is used for handling battery related tasks.
It has a single work item viz &mb->update and hence it doesn't require
execution ordering. Hence, alloc_workqueue has been used to replace the
deprecated create_singlethread_workqueue instance.
The WQ_MEM_RECLAIM flag has been set to ensure forward progress under
memory pressure.
Since there is a single work item, explicit concurrency
limit is unnecessary here.
Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
alloc_ordered_workqueue() with WQ_MEM_RECLAIM set replaces
deprecated create_singlethread_workqueue(). This is the identity
conversion.
The workqueue "charger_wq" is used for the IRQs and checking HW state of
the charger. It has been identity converted.
It has multiple work items viz usb_charger_attached_work, kick_wd_work,
check_vbat_work, check_hw_failure_work, usb_charger_attached_work,
ac_work, ac_charger_attached_work, attach_work and check_usbchgnotok_work,
which require execution ordering. Hence, a dedicated ordered workqueue
has been used here.
The WQ_MEM_RECLAIM flag has also been set to ensure
forward progress under memory pressure.
Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
The workqueue "monitor_wqueue" is used to monitor the PMIC battery status.
It queues a single work item (pbi->monitor_battery) and hence doesn't
require ordering. Hence, alloc_workqueue has been used to replace the
deprecated create_singlethread_workqueue instance.
Since PMIC battery status needs to be monitored for any change, the
WQ_MEM_RECLAIM flag has been set to ensure forward progress under memory
pressure.
Since there is a single work item, explicit concurrency
limit is unnecessary here.
Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
alloc_ordered_workqueue() with WQ_MEM_RECLAIM set replaces
deprecated create_singlethread_workqueue(). This is the identity
conversion.
The workqueue "charger_wq" is used for running all the charger related
tasks. This involves charger detection, checking for HW failure and HW
status. This workqueue has been identity converted.
It queues multiple workitems viz &pm2->check_main_thermal_prot_work,
&pm2->check_hw_failure_work, &pm2->ac_work. Hence, the deprecated
create_singlethread_workqueue() instance has been replaced with a
dedicated ordered workqueue.
The WQ_MEM_RECLAIM flag has been set to ensure forward progress under
memory pressure.
Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
The workqueue "btemp_wq" is used for measuring the temperature
periodically. It queues a single workitem (btemp_periodic_work) and
hence doesn't require ordering. Thus, the deprecated
create_singlethread_workqueue() instance has been replaced with
alloc_workqueue().
The WQ_MEM_RECLAIM flag has been set to ensure forward progress under
memory pressure.
Since there is a single work item, explicit concurrency
limit is unnecessary here.
Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
alloc_ordered_workqueue() with WQ_MEM_RECLAIM set replaces
deprecated create_singlethread_workqueue(). This is the identity
conversion.
The workqueue "chargalg_wq" is used for running the charging algorithm.
It has multiple workitems viz &di->chargalg_periodic_work,
&di->chargalg_wd_work, &di->chargalg_work per abx500_chargalg, which
require ordering. It has been identity converted.
Also, WQ_MEM_RECLAIM has been set to ensure forward progress under
memory pressure.
Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Remove .owner field if calls are used which set it automatically.
Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci
Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Use the managed resource version of reboot_mode_register().
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Provide managed resource version of reboot_mode_register() and
reboot_mode_unregister() to simplify implementations.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Battery capacity level is a standard feature of sbs battery
That can be used to tell what the remainig battery capacity is, and
can tell if the battery has not been calibrated/initialized, which makes
the capacity and charging/discharging percentages invalid.
Signed-off-by: Joshua Clayton <stillcompiling@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Add missing platform_set_drvdata() in tps65217_charger_probe(), otherwise
calling platform_get_drvdata() in remove returns NULL.
This is detected by Coccinelle semantic patch.
Fixes: 3636859b28 ("power_supply: Add support for tps65217-charger")
Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
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>
commit 4fcd504edb ("power: reset: add reboot mode driver") uses api from
syscon, and syscon uses ioremap/iounmap which depends on HAS_IOMEM, so
let's depend on MFD_SYSCON instead of selecting it directly to avoid the
um-allyesconfig like build error on archs that without iomem:
drivers/mfd/syscon.c: In function 'of_syscon_register':
drivers/mfd/syscon.c:67:9: error: implicit declaration of function 'ioremap' [-Werror=implicit-function-declaration]
base = ioremap(res.start, resource_size(&res));
^
drivers/mfd/syscon.c:67:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
base = ioremap(res.start, resource_size(&res));
^
drivers/mfd/syscon.c:109:2: error: implicit declaration of function 'iounmap' [-Werror=implicit-function-declaration]
iounmap(base);
^
Reported-by: Kbuild test robot <fengguang.wu@intel.com>
Fixes: 4fcd504edbf7("power: reset: add reboot mode driver")
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>
The device's model download function returns the model data as
an array of u32s, which is later compared to the reference
model data. However, since the latter is an array of u16s,
the comparison does not happen correctly, and model verification
fails. This in turn breaks the POR initialization sequence.
Fixes: 39e7213edc ("max17042_battery: Support regmap to access device's registers")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sven Van Asbroeck <TheSven73@googlemail.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.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
...
