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The standby GPIO controller can be used as a interrupt controller.
Select GPIOLIB_IRQCHIP when compiling this driver. Otherwise we get
a compilation error:
drivers/gpio/gpio-xgene-sb.c: In function 'xgene_gpio_sb_probe':
drivers/gpio/gpio-xgene-sb.c:312:10: error: 'struct gpio_chip'
has no member named 'irqdomain'
priv->gc.irqdomain = priv->irq_domain;
^
scripts/Makefile.build:295: recipe for target
'drivers/gpio/gpio-xgene-sb.o' failed
make[2]: *** [drivers/gpio/gpio-xgene-sb.o] Error 1
Fixes: 1013fc41 "gpio: xgene: Enable X-Gene standby GPIO as interrupt controller"
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Acked-by: Quan Nguyen <qnguyen@apm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Microsoft Wireless Comfort Keyboard has vendor specific My Favorites
1-5 keys. Linux already supports this buttons on other MS keyboards by
MS_ERGONOMY quirk. So apply MS_ERGONOMY quirk to USB PID 0x00e3
(Microsoft Wireless Optical Desktop Receiver 3.0A). After this
My Favorites 1..5 keys will be reported as KEY_F14..KEY_F15 events.
Signed-off-by: Slava Bacherikov <slava@bacher09.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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I2C host controller need to be configured properly in order to meet I2C
timings specified in the I2C protocol specification. Some Intel Broxton
based machines do not have this information in the ACPI namespace (or the
boot firmware does not support ACPI at all) so we use build-in device
properties instead.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The ipaq-micro driver uses SET_SYSTEM_SLEEP_PM_OPS() to
remove the reference to its resume function, but does
not use an #ifdef around the definition, so we get
a build warning:
drivers/mfd/ipaq-micro.c:379:12: error: 'micro_resume' defined but not used [-Werror=unused-function]
This adds a __maybe_unused annotation so the compiler knows
it can silently drop it instead of warning.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The max77686 MFD driver supports both the Maxim 77686 and Maxim 77802
PMICs but only the OF device table contains entries for both devices.
The max77802 entry is missing in the I2C device ID table which isn't
a problem currently since the driver only supports DT but it will be
needed if the driver is changed to be built as a module since the I2C
core always reports a I2C modalias uevent so auto-load will not work.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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When the device is registered via OF, the OF table is used to match the
driver instead of the I2C device ID table but the entries in the latter
are used as aliasses to load the module if the driver was not built-in.
This is because the I2C core always reports an I2C module alias instead
of an OF one but that could change so it is better to always export it.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The driver's Kconfig symbol is a boolean but nothing prevents the driver
to be built as a module instead of built-in. It is true that most system
integrators will choose the latter but the config should not restrict it.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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This adds the PWM resources to the STMPE MFD driver, so that
it can properly grab and use them.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Regmap config max_register field should contain number of
device last register, however num_reg_defaults_raw field
should be set to register count instead
(usually one register more than max_register).
tps65090 driver had both of these fields set to the same value,
fix this by introducing separate defines for max register
number and total count of registers.
Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Regmap config max_register field should contain number of
device last register, however num_reg_defaults_raw field
should be set to register count instead
(usually one register more than max_register).
as3711 driver had both of these fields set to the same value,
fix this by introducing separate defines for max register
number and total count of registers.
Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Regmap config max_register field should contain number of
device last register, however num_reg_defaults_raw field
should be set to register count instead
(usually one register more than max_register).
rc5t583 driver had both of these fields set to the same value,
fix this by introducing separate defines for max register
number and total count of registers.
Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Add support for the TPS65086 PMIC GPOs.
TPS65086 has four configurable GPOs that can be used for several
purposes. These are output only.
Signed-off-by: Andrew F. Davis <afd@ti.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The platform bus_type .match callback attempts to match the platform device
name with an entry on the .id_table if provided and fallbacks to match with
the driver's name if a table is not provided.
Using a platform device ID to match is more explicit, allows the driver to
support more than one device and also the MODULE_DEVICE_TABLE macro can be
used to export the module aliases information instead of the MODULE_ALIAS.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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volatile lists
Add an updated set of registers listed in the core regmap_range volatile
ranges defined for the DA9063.
These new registers contain bits that cannot be considered under the full
control of software. Under various conditions the hardware will set and/or
automatically clear bit(s) contained in these registers.
When using a cached version of regmap, the volatility of these registers must
be identified otherwise the regmap operations may not ensure the registers
are explicitly altered.
As well as updating the list of volatile registers, this change will fix a
corner case discovered in the DA9063 ONKEY which is used by the DA9063 core.
In the ONKEY case, the CONTROL_B register is now listed as volatile in the
regmap_range because it contains the bit field NONKEY_LOCK. This bit can be
altered by hardware, in which case regmap must be notified of its ability
to be manpiulated outside of software control.
Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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MT6323 has the INT_CON and INT_STATUS located at a different position.
Make the registers locations configurable.
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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volatile lists
Add an updated set of registers listed in the core regmap_range volatile
ranges defined for the DA9062.
These new registers contain bits that cannot be considered under the full
control of software. Under various conditions the hardware will set and/or
automatically clear bit(s) contained in these registers.
When using a cached version of regmap, the volatility of these registers must
be identified otherwise the regmap operations may not ensure the registers
are explicitly altered.
As well as updating the list of volatile registers, this change will fix a
corner case discovered in the DA9063 ONKEY which is used by the DA9062 core.
In the ONKEY case, the CONTROL_B register is now listed as volatile in the
regmap_range because it contains the bit field NONKEY_LOCK. This bit can be
altered by hardware, in which case regmap must be notified of its ability
to be manpiulated outside of software control.
Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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This patch adds support for the Active-semi ACT8945A PMIC.
It is a Multi Function Device with the following subdevices:
- Regulator
- Charger
It is interfaced to the host controller using I2C interface,
ACT8945A is a child device of the I2C.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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MFD_ARIZONA_I2C and MFD_ARIZONA_SPI both select MFD_ARIZONA and all
three of those select MFD_CORE, this makes the selects of MFD_CORE in
MFD_ARIZONA_I2C and MFD_ARIZONA_SPI redundant, so we remove them.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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My automated test is back and now can check defaults against the actual
hardware. This patch updates the defaults array for the differences
detected and removes a couple of completely unused registers.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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My automated test is back and now can check defaults against the actual
hardware. This patch updates the defaults array for the differences
detected and removes a couple of completely unused registers.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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My automated test is back and now can check defaults against the actual
hardware. This patch updates the defaults array for the differences
detected and removes a couple of completely unused registers.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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My automated test is back and now can check defaults against the actual
hardware. This patch updates the defaults array for the differences
detected and removes a couple of completely unused registers.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The help text had a copy and paste error and refers to I2C in the SPI
section. This patch corrects this typo.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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syscon_regmap_config can be made const if syscon_probe() creates a local
copy on the stack, just like syscon_register() does.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Determine the regmap max_register configuration from the io resource size
and the reg-io-width device tree property.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The prcmu_config_clkout() function ensures that the 'clkout' argument
can only be '0' or '1' using an appropriate BUG_ON(), so the compiler
should know that the div_mask, mask, and bits variables are always
initialized later on. However, it doesn't understand this in gcc-5.2
and produces a false positive warning instead:
drivers/mfd/db8500-prcmu.c: In function 'prcmu_config_clkout':
drivers/mfd/db8500-prcmu.c:762:10: error: 'div_mask' may be used uninitialized in this function [-Werror=maybe-uninitialized]
if (val & div_mask) {
^
drivers/mfd/db8500-prcmu.c:769:13: error: 'mask' may be used uninitialized in this function [-Werror=maybe-uninitialized]
if ((val & mask & ~div_mask) != bits) {
^
drivers/mfd/db8500-prcmu.c:757:7: error: 'bits' may be used uninitialized in this function [-Werror=maybe-uninitialized]
Replacing the switch() statement with an equivalent if() lets
gcc figure this out reliably and avoids the warnings.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Add support for the TPS65912 device. It provides communication
through I2C and contains the following components:
- Regulators
- Load switches
- GPO controller
Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED updates from Jacek Anaszewski:
"LED core improvements:
- Fix misleading comment after workqueue removal from drivers
- Avoid error message when a USB LED device is unplugged
- Add helpers for calling brightness_set(_blocking)
LED triggers:
- Simplify led_trigger_store by using sysfs_streq()
LED class drivers improvements:
- Improve wording and formatting in a comment: lp3944
- Fix return value check in create_gpio_led(): leds-gpio
- Use GPIOF_OUT_INIT_LOW instead of hardcoded zero: leds-gpio
- Use devm_led_classdev_register(): leds-lm3533, leds-lm3533,
leds-lp8788, leds-wm831x-status, leds-s3c24xx, leds-s3c24xx,
leds-max8997.
New LED class driver:
- Add driver for the ISSI IS31FL32xx family of LED controllers.
Device Tree documentation:
- of: Add vendor prefixes for Integrated Silicon Solutions Inc.
(issi) and Si-En Technology (si-en).
- DT: Add common bindings for Si-En Technology SN3216/18 and
IS31FL32xx family of LED controllers, since they seem to be the
same hardware, just rebranded"
* tag 'leds_for_4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
leds: triggers: simplify led_trigger_store
leds: max8997: Use devm_led_classdev_register
leds: da903x: Use devm_led_classdev_register
leds: s3c24xx: Use devm_led_classdev_register
leds: wm831x-status: Use devm_led_classdev_register
leds: lp8788: Use devm_led_classdev_register
leds: 88pm860x: Use devm_led_classdev_register
leds: Add SN3218 and SN3216 support to the IS31FL32XX driver
of: Add vendor prefix for Si-En Technology
leds: Add driver for the ISSI IS31FL32xx family of LED controllers
DT: leds: Add binding for the ISSI IS31FL32xx family of LED controllers
DT: Add vendor prefix for Integrated Silicon Solutions Inc.
leds: lm3533: Use devm_led_classdev_register
leds: gpio: Use GPIOF_OUT_INIT_LOW instead of hardcoded zero
leds: core: add helpers for calling brightness_set(_blocking)
leds: leds-gpio: Fix return value check in create_gpio_led()
leds: lp3944: improve wording and formatting in a comment
leds: core: avoid error message when a USB LED device is unplugged
leds: core: fix misleading comment after workqueue removal from drivers
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Core:
- New sysfs interface to set and read clock offset
- Drivers can now be both I2C and SPI (see pcf2127 and ds3232)
New drivers:
- Alphascale ASM9260
- Epson RX6110SA
- Maxim max20024 and max77620 (in max77686)
- Microchip PIC32
- NXP pcf2129 (in pcf2127)
Subsystem wide cleanups:
- remove IRQF_EARLY_RESUME when unecessary
Drivers:
- ds1307: clock output, temperature sensor and wakeup-source support
- ds1685: actually spin forever in poweroff error path
- ds3232: many cleanups
- ds3234: merged in ds3232
- hym8563: fix invalid year calculation
- max77686: many cleanups
- max77802 merged in max77686
- pcf2123: cleanups and offset support
- pcf85063: cleanups
- pcf8523: propely handle oscillator stop bit
- rv3029: many cleanups, trickle charger and temperature sensor support
- rv8803: convert spin_lock to mutex_lock
- rx8025: many fixes
- vr41xx: restore alarm_irq_enable"
* tag 'rtc-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (86 commits)
rtc: pcf2127: add pcf2129 device id
rtc: pcf2127: add support for spi interface
rtc: pcf2127: convert to use regmap
rtc: rv3029: Add thermometer hwmon support
rtc: rv3029: Add update_bits helper for eeprom access
rtc: ds1685: actually spin forever in poweroff error path
rtc: hym8563: fix invalid year calculation
rtc: ds3232: use rtc->ops_lock to protect alarm operations
rtc: ds3232: fix issue when irq is shared several devices
rtc: ds3232: remove unused UIE code
rtc: ds3232: add register access error checks
rtc: ds3232: fix read on /dev/rtc after RTC_AIE_ON
rtc: merge ds3232 and ds3234
rtc: ds3232: convert to use regmap
rtc: pxa: fix Kconfig indentation
rtc: rv3029: Add device tree property for trickle charger
rtc: rv3029: Add functions for EEPROM access
rtc: rv3029: Add i2c register update-bits helper
rtc: rv3029: Add missing register definitions
rtc: rv3029: Add "rv3029" I2C device id
...
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
- New drivers for NSA320 and LTC2990
- Added support for ADM1278 to adm1275 driver
- Added support for ncpXXxh103 to ntc_thermistor driver
- Renamed vexpress hwmon implementation
- Minor cleanups and improvements
* tag 'hwmon-for-linus-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: Create an NSA320 hardware monitoring driver
hwmon: Define binding for the nsa320-hwmon driver
hwmon: (adm1275) Add support for ADM1278
hwmon: (ntc_thermistor) Add support for ncpXXxh103
Doc: hwmon: Fix typo "montoring" in hwmon
ARM: dts: vfxxx: Add iio_hwmon node for ADC temperature channel
ARM: dts: Change iio_hwmon nodes to use hypen in node names
hwmon: (iio_hwmon) Allow the driver to accept hypen in device tree node names
hwmon: Add LTC2990 sensor driver
hwmon: (vexpress) rename vexpress hwmon implementation
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"This has been an extremely quiet release for the regulator API, aside
from bugfixes and small enhancements the only thing that really stands
out are the new drivers for Action Semiconductors ACT8945A, HiSilicon
HI665x, and the Maxim MAX20024 and MAX77620"
* tag 'regulator-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (46 commits)
regulator: pwm: Add support to have multiple instance of pwm regulator
regulator: pwm: Fix calculation of voltage-to-duty cycle
regulator: of: Use of_property_read_u32() for reading min/max
regulator: pv88060: fix incorrect clear of event register
regulator: pv88090: fix incorrect clear of event register
regulator: max77620: Add support to configure active-discharge
regulator: core: Add support for active-discharge configuration
regulator: helper: Add helper to configure active-discharge using regmap
regulator: core: Add support for active-discharge configuration
regulator: DT: Add DT property for active-discharge configuration
regulator: act8865: Specify fixed voltage of 3.3V for ACT8600's REG9
regulator: act8865: Rename platform_data field to init_data
regulator: act8865: Remove "static" from local variable
ASoC: cs4271: add regulator consumer support
regulator: max77620: Remove duplicate module alias
regulator: max77620: Eliminate duplicate code
regulator: max77620: Remove unused fields
regulator: core: fix crash in error path of regulator_register
regulator: core: Request GPIO before creating sysfs entries
regulator: gpio: don't print error on EPROBE_DEFER
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"This has been a very busy release for regmap, not just in cleaning up
the mess we got ourselves into with the endianness handling but also
in other areas too:
- Fixes for the endianness handling so that we now explicitly default
to little endian (the code used to do this by accident). This
fixes handling of explictly specified endianness on big endian
systems.
- Optimisation of the implementation of register striding.
- A refectoring of the _update_bits() code to reduce duplication.
- Fixes and enhancements for the interrupt implementation which make
it easier to use in a wider range of systems"
* tag 'regmap-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: (28 commits)
regmap: irq: add devm apis for regmap_{add,del}_irq_chip
regmap: replace regmap_write_bits()
regmap: irq: Enable irq retriggering for nested irqs
regmap: add regmap_fields_force_xxx() macros
regmap: add regmap_field_force_xxx() macros
regmap: merge regmap_fields_update_bits() into macro
regmap: merge regmap_fields_write() into macro
regmap: add regmap_fields_update_bits_base()
regmap: merge regmap_field_update_bits() into macro
regmap: merge regmap_field_write() into macro
regmap: add regmap_field_update_bits_base()
regmap: merge regmap_update_bits_check_async() into macro
regmap: merge regmap_update_bits_check() into macro
regmap: merge regmap_update_bits_async() into macro
regmap: merge regmap_update_bits() into macro
regmap: add regmap_update_bits_base()
regcache: flat: Introduce register strider order
regcache: Introduce the index parsing API by stride order
regmap: core: Introduce register stride order
regmap: irq: add devm apis for regmap_{add,del}_irq_chip
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"Not the biggest set of changes for SPI but a bit of a pickup in
activity on the core:
- Support for memory mapped read from flash devices via a SPI
controller.
- The beginnings of a message rewriting framework in the core which
should in time allow us to support transforming messages to work
around the limits of controllers or optimise the performance for
controllers transparently to calling drivers.
- Updates to the PXA2xx, the main functional change being to improve
the ACPI support.
- A new driver for the Analog Devices AXI SPI engine"
* tag 'spi-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (66 commits)
spi: Add gfp parameter to kernel-doc to fix build warning
spi: Fix htmldocs build error due struct spi_replaced_transfers
spi: rockchip: covert rsd_nsecs to u32 type
spi: rockchip: header file cleanup
spi: xilinx: Add devicetree binding for spi-xilinx
spi: respect the maximum segment size of DMA device
spi: rockchip: check requesting dma channel with EPROBE_DEFER
spi: rockchip: migrate to dmaengine_terminate_async
spi: rockchip: check return value of dmaengine_prep_slave_sg
spi: core: Fix deadlock when sending messages
spi/rockchip: fix endian mode for 16-bit transfers
spi/rockchip: Make sure spi clk is on in rockchip_spi_set_cs
spi: pxa2xx: Use newer more explicit DMAengine terminate API
spi: pxa2xx: Add support for Intel Broxton B-Step
spi: lp-8841: return correct error code from probe
spi: imx: drop bogus tests for rx/tx bufs in DMA transfer
spi: imx: set MX51_ECSPI_CTRL_SMC bit in setup function
spi: imx: make some register defines simpler
spi: imx: remove unnecessary bit clearing in mx51_ecspi_config
spi: imx: add support for all SPI word width for DMA
...
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"An almost purely driver related set of changes with no major changes
to the framework, only one patch adding an unlocked version of the
pinctrl_find_gpio_range_from_pin() library call.
New drivers:
- ST Microelectronics STM32 MCU support: this is a non-MMU low-end
platform for IoT things (etc).
- Microchip PIC32 MCU support: same story as for STM32.
New subdrivers:
- Allwinner SunXi H3 R_PIO controller support.
- Qualcomm IPQ4019 support.
- MediaTek MT2701 and MT7623.
- Allwinner A64
Non-critical fixes:
- gpio_disable_free() for the Vybrid.
- pinctrl single: use a separate lockdep class.
Misc:
- Substantial cleanups and rewrites for the Super-H PFC driver and
subdrivers.
- Various fixes and cleanups, especially Paul Gortmakers work to make
nonmodular drivers nonmodular"
* tag 'pinctrl-v4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (75 commits)
pinctrl: single: Use a separate lockdep class
drivers: pinctrl: add driver for Allwinner A64 SoC
pinctrl: Broadcom Northstar2 pinctrl device tree bindings
pinctrl: amlogic: Make driver independent from two-domain configuration
pinctrl: amlogic: Separate some pin functions for Meson8 / Meson8b
pinctrl: at91: use __maybe_unused to hide pm functions
pinctrl: sh-pfc: core: don't open code of_device_get_match_data()
pinctrl: uniphier: rename CONFIG options and file names
pinctrl: sunxi: make A80 explicitly non-modular
pinctrl: stm32: make explicitly non-modular
pinctrl: sh-pfc: make explicitly non-modular
pinctrl: meson: make explicitly non-modular
pinctrl: pinctrl-mt6397 driver explicitly non-modular
pinctrl: sunxi: does not need module.h
pinctrl: pxa2xx: export symbols
pinctrl: sunxi: Change mux setting on PI irq pins
pinctrl: sunxi: Remove non existing irq's
pinctrl: imx: attach iomuxc device to gpr syscon
pinctrl-bcm2835: Fix cut-and-paste error in "pull" parsing
pinctrl: lpc1850-scu: document nxp,gpio-pin-interrupt
...
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Add support for the newly added kernel memory auto onlining policy to
Xen ballon driver.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Suggested-by: Daniel Kiper <daniel.kiper@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
Acked-by: David Vrabel <david.vrabel@citrix.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Daniel Kiper <daniel.kiper@oracle.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Tang Chen <tangchen@cn.fujitsu.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Xishi Qiu <qiuxishi@huawei.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Kay Sievers <kay@vrfy.org>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Currently, all newly added memory blocks remain in 'offline' state
unless someone onlines them, some linux distributions carry special udev
rules like:
SUBSYSTEM=="memory", ACTION=="add", ATTR{state}=="offline", ATTR{state}="online"
to make this happen automatically. This is not a great solution for
virtual machines where memory hotplug is being used to address high
memory pressure situations as such onlining is slow and a userspace
process doing this (udev) has a chance of being killed by the OOM killer
as it will probably require to allocate some memory.
Introduce default policy for the newly added memory blocks in
/sys/devices/system/memory/auto_online_blocks file with two possible
values: "offline" which preserves the current behavior and "online"
which causes all newly added memory blocks to go online as soon as
they're added. The default is "offline".
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Daniel Kiper <daniel.kiper@oracle.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Tang Chen <tangchen@cn.fujitsu.com>
Cc: David Vrabel <david.vrabel@citrix.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Xishi Qiu <qiuxishi@huawei.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Kay Sievers <kay@vrfy.org>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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gcc-6.0 found an ancient bug in the paride driver, which had a
"module_param(verbose, bool, 0);" since before 2.6.12, but actually uses
it to accept '0', '1' or '2' as arguments:
drivers/block/paride/pd.c: In function 'pd_init_dev_parms':
drivers/block/paride/pd.c:298:29: warning: comparison of constant '1' with boolean expression is always false [-Wbool-compare]
#define DBMSG(msg) ((verbose>1)?(msg):NULL)
In 2012, Rusty did a cleanup patch that also changed the type of the
variable to 'bool', which introduced what is now a gcc warning.
This changes the type back to 'int' and adapts the module_param() line
instead, so it should work as documented in case anyone ever cares about
running the ancient driver with debugging.
Fixes: 90ab5ee94171 ("module_param: make bool parameters really bool (drivers & misc)")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Rusty Russell <rusty@rustcorp.com.au>
Cc: Tim Waugh <tim@cyberelk.net>
Cc: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Cc: Jens Axboe <axboe@fb.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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$ make tags
GEN tags
ctags: Warning: drivers/acpi/processor_idle.c:64: null expansion of name pattern "\1"
ctags: Warning: drivers/xen/events/events_2l.c:41: null expansion of name pattern "\1"
ctags: Warning: kernel/locking/lockdep.c:151: null expansion of name pattern "\1"
ctags: Warning: kernel/rcu/rcutorture.c:133: null expansion of name pattern "\1"
ctags: Warning: kernel/rcu/rcutorture.c:135: null expansion of name pattern "\1"
ctags: Warning: kernel/workqueue.c:323: null expansion of name pattern "\1"
ctags: Warning: net/ipv4/syncookies.c:53: null expansion of name pattern "\1"
ctags: Warning: net/ipv6/syncookies.c:44: null expansion of name pattern "\1"
ctags: Warning: net/rds/page.c:45: null expansion of name pattern "\1"
Which are all the result of the DEFINE_PER_CPU pattern:
scripts/tags.sh:200: '/\<DEFINE_PER_CPU([^,]*, *\([[:alnum:]_]*\)/\1/v/'
scripts/tags.sh:201: '/\<DEFINE_PER_CPU_SHARED_ALIGNED([^,]*, *\([[:alnum:]_]*\)/\1/v/'
The below cures them. All except the workqueue one are within reasonable
distance of the 80 char limit. TJ do you have any preference on how to
fix the wq one, or shall we just not care its too long?
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge with Linux 4.5 to get PROPERTY_ENTRY_INTEGER() that is needed to
fix pxa/raumfeld rotary encoder properties.
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There is a typo so we have && instead of &.
Fixes: ff8f83708b3e ('Input: synaptics-rmi4 - add support for 2D sensors and F11')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Andrew Duggan <aduggan@synaptics.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"The 4.6 pile of irq updates contains:
- Support for IPI irqdomains to support proper integration of IPIs to
and from coprocessors. The first user of this new facility is
MIPS. The relevant MIPS patches come with the core to avoid merge
ordering issues and have been acked by Ralf.
- A new command line option to set the default interrupt affinity
mask at boot time.
- Support for some more new ARM and MIPS interrupt controllers:
tango, alpine-msix and bcm6345-l1
- Two small cleanups for x86/apic which we merged into irq/core to
avoid yet another branch in x86 with two tiny commits.
- The usual set of updates, cleanups in drivers/irqchip. Mostly in
the area of ARM-GIC, arada-37-xp and atmel chips. Nothing
outstanding here"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (56 commits)
irqchip/irq-alpine-msi: Release the correct domain on error
irqchip/mxs: Fix error check of of_io_request_and_map()
irqchip/sunxi-nmi: Fix error check of of_io_request_and_map()
genirq: Export IRQ functions for module use
irqchip/gic/realview: Support more RealView DCC variants
Documentation/bindings: Document the Alpine MSIX driver
irqchip: Add the Alpine MSIX interrupt controller
irqchip/gic-v3: Always return IRQ_SET_MASK_OK_DONE in gic_set_affinity
irqchip/gic-v3-its: Mark its_init() and its children as __init
irqchip/gic-v3: Remove gic_root_node variable from the ITS code
irqchip/gic-v3: ACPI: Add redistributor support via GICC structures
irqchip/gic-v3: Add ACPI support for GICv3/4 initialization
irqchip/gic-v3: Refactor gic_of_init() for GICv3 driver
x86/apic: Deinline _flat_send_IPI_mask, save ~150 bytes
x86/apic: Deinline __default_send_IPI_*, save ~200 bytes
dt-bindings: interrupt-controller: Add SoC-specific compatible string to Marvell ODMI
irqchip/mips-gic: Add new DT property to reserve IPIs
MIPS: Delete smp-gic.c
MIPS: Make smp CMP, CPS and MT use the new generic IPI functions
MIPS: Add generic SMP IPI support
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
"The timer department delivers this time:
- Support for cross clock domain timestamps in the core code plus a
first user. That allows more precise timestamping for PTP and
later for audio and other peripherals.
The ptp/e1000e patches have been acked by the relevant maintainers
and are carried in the timer tree to avoid merge ordering issues.
- Support for unregistering the current clocksource watchdog. That
lifts a limitation for switching clocksources which has been there
from day 1
- The usual pile of fixes and updates to the core and the drivers.
Nothing outstanding and exciting"
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (26 commits)
time/timekeeping: Work around false positive GCC warning
e1000e: Adds hardware supported cross timestamp on e1000e nic
ptp: Add PTP_SYS_OFFSET_PRECISE for driver crosstimestamping
x86/tsc: Always Running Timer (ART) correlated clocksource
hrtimer: Revert CLOCK_MONOTONIC_RAW support
time: Add history to cross timestamp interface supporting slower devices
time: Add driver cross timestamp interface for higher precision time synchronization
time: Remove duplicated code in ktime_get_raw_and_real()
time: Add timekeeping snapshot code capturing system time and counter
time: Add cycles to nanoseconds translation
jiffies: Use CLOCKSOURCE_MASK instead of constant
clocksource: Introduce clocksource_freq2mult()
clockevents/drivers/exynos_mct: Implement ->set_state_oneshot_stopped()
clockevents/drivers/arm_global_timer: Implement ->set_state_oneshot_stopped()
clockevents/drivers/arm_arch_timer: Implement ->set_state_oneshot_stopped()
clocksource/drivers/arm_global_timer: Register delay timer
clocksource/drivers/lpc32xx: Support timer-based ARM delay
clocksource/drivers/lpc32xx: Support periodic mode
clocksource/drivers/lpc32xx: Don't use the prescaler counter for clockevents
clocksource/drivers/rockchip: Add err handle for rk_timer_init
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 asm updates from Ingo Molnar:
"This is another big update. Main changes are:
- lots of x86 system call (and other traps/exceptions) entry code
enhancements. In particular the complex parts of the 64-bit entry
code have been migrated to C code as well, and a number of dusty
corners have been refreshed. (Andy Lutomirski)
- vDSO special mapping robustification and general cleanups (Andy
Lutomirski)
- cpufeature refactoring, cleanups and speedups (Borislav Petkov)
- lots of other changes ..."
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (64 commits)
x86/cpufeature: Enable new AVX-512 features
x86/entry/traps: Show unhandled signal for i386 in do_trap()
x86/entry: Call enter_from_user_mode() with IRQs off
x86/entry/32: Change INT80 to be an interrupt gate
x86/entry: Improve system call entry comments
x86/entry: Remove TIF_SINGLESTEP entry work
x86/entry/32: Add and check a stack canary for the SYSENTER stack
x86/entry/32: Simplify and fix up the SYSENTER stack #DB/NMI fixup
x86/entry: Only allocate space for tss_struct::SYSENTER_stack if needed
x86/entry: Vastly simplify SYSENTER TF (single-step) handling
x86/entry/traps: Clear DR6 early in do_debug() and improve the comment
x86/entry/traps: Clear TIF_BLOCKSTEP on all debug exceptions
x86/entry/32: Restore FLAGS on SYSEXIT
x86/entry/32: Filter NT and speed up AC filtering in SYSENTER
x86/entry/compat: In SYSENTER, sink AC clearing below the existing FLAGS test
selftests/x86: In syscall_nt, test NT|TF as well
x86/asm-offsets: Remove PARAVIRT_enabled
x86/entry/32: Introduce and use X86_BUG_ESPFIX instead of paravirt_enabled
uprobes: __create_xol_area() must nullify xol_mapping.fault
x86/cpufeature: Create a new synthetic cpu capability for machine check recovery
...
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When reviewing another thingm patch Benjamin Tissoires pointed out
the following: "The problem here is that hid_hw_start() is called
before thingm_version() which allows user space to briefly introduce
races between thingm_version() and any hidraw requests.
The mutex will not help here as it is initialized after hid_hw_start()
and only used for protecting the concurrent access of the rgb."
Avoid this possible issue by calling hid_hw_start() later in the
probe function.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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* pci/resource:
PCI: Simplify pci_create_attr() control flow
PCI: Don't leak memory if sysfs_create_bin_file() fails
PCI: Simplify sysfs ROM cleanup
PCI: Remove unused IORESOURCE_ROM_COPY and IORESOURCE_ROM_BIOS_COPY
MIPS: Loongson 3: Keep CPU physical (not virtual) addresses in shadow ROM resource
MIPS: Loongson 3: Use temporary struct resource * to avoid repetition
ia64/PCI: Keep CPU physical (not virtual) addresses in shadow ROM resource
ia64/PCI: Use ioremap() instead of open-coded equivalent
ia64/PCI: Use temporary struct resource * to avoid repetition
PCI: Clean up pci_map_rom() whitespace
PCI: Remove arch-specific IORESOURCE_ROM_SHADOW size from sysfs
PCI: Set ROM shadow location in arch code, not in PCI core
PCI: Don't enable/disable ROM BAR if we're using a RAM shadow copy
PCI: Don't assign or reassign immutable resources
PCI: Mark shadow copy of VGA ROM as IORESOURCE_PCI_FIXED
x86/PCI: Mark Broadwell-EP Home Agent & PCU as having non-compliant BARs
PCI: Disable IO/MEM decoding for devices with non-compliant BARs
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* pci/host-hv:
PCI: hv: Add paravirtual PCI front-end for Microsoft Hyper-V VMs
PCI: Look up IRQ domain by fwnode_handle
PCI: Add fwnode_handle to x86 pci_sysdata
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* pci/host-designware:
PCI: designware: Add driver for prototyping kits based on ARC SDP
PCI: designware: Add default link up check if sub-driver doesn't override
PCI: designware: Add generic dw_pcie_wait_for_link()
ARC: Add PCI support
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