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Greg Kroah-Hartman 932f98922f First set of new device support, features and fixes for IIO in the 5.2 cycle
Staging graduations
 * ad7780
   - Move this ADC driver out of staging.  Included adding some new features
     along the way (see below). Also added DT bindings.
 
 New device support
 * adis16480
   - Support the ADIS16495 and ADIS16497 IMU devices making
     heavy use of refactoring of various aspects of the driver in precursor
     patches.
 * lsm6dsx
   - Support for the ASM330LHH 6-axis (accelerometer + gyro) sensor.
   - Support for the LSM6DS0X
 * matbotix mb1232
   - New driver for this ultrasound ranging device family. Including bindings.
   - Supports mb1202, mb1212, mb1222, mb1232, mb1242, mb7040 and mb7137.
 * max31856
   - New driver for this thermocouple temperature sensor.
 * meson saradc
   - Support the Meson-G12A (ID addition only).
 * stmpe-adc
   - New driver supporting generic ADC alongside touchscreen support which
     previously existed. Includes DT bindings.
 * vcnl4000
   - Support for the vcln4040 proximity and light sensor, including adding
     DT bindings for this and parts previously supported.
 
 Features
 * core
   - Allow reading of mount matrices from ACPI in addition to DT.
   - Common binding for theromcouple types.
 * ad5933
   - Add ABI docs as there are a few 'unsual' elements about this
     device - perhaps because it's our only impedance analyser.
 * ad7780
   - Add gain and filter gpio support + readback of current gain and filter.
 * adis16480
   - Allow selection fo the dataready pin to be used.
   - Device tree ID table and binding documentation.
   - Support external clock modes, including new bindings.
 * bma180
   - Mount matrix support.
 * bmc150
   - Mount matrix support.
 * bmg160
   - Mount matrix support.
   - DT id table and bindings doc.
 * bmp280
   - Put calibration data into the entropy pool.
 * hmc5843
   - Mount matrix support.
 * itg3200
   - Mount matrix support.
 * kxcjk1013
   - Device tree id table, and binding docs.
 * lpc32xx
   - Add scale when regulator specified including DT docs for regulator.
 * pms7003
   - Add device IDs for all supported parts to driver and binding.
 * stm32-dfsdm
   - Enable hw consumer support, scan mode control and a complex set of
     triggered buffer modes.
   - Power management.
 * stm32-lptimer-counter
   - power management.
   - Document the pinctrl sleep state binding.
 * ti-ads7950
   - GPIO pin support.
 
 Cleanups, minor fixes
 * core
   - Use bitmap_zalloc to make it explicit that is what we are doing.
   - Tidy up all the Kconfig files (which had slowly gotten messy)
   - Fix a forwards definition missing issue in iio/driver.h
 * ad sigma delta core
   - Improve handling of SPI bus locking vs CS assertion.  This has been
     wrong a long time so not rushing this in.
 * ad5064
   - Mlock to local lock.
 * ad5933 (staging cleanup)
   - Multiline comment fixes.
   - Include ordering.
   - SPDX.
   - Tidy up Kconfig help which was a bit missleading.
   - Change some non standard attributes to ABI defined ones.
 * ad7124
   - White space fix.
 * ad7192
   - White space.
   - Use DT clock binding.
   - Improve error reporting.
   - Platform data to DT conversion.
   - Use read_avail callback, mostly to avoid the endless series of
     patches from new contributors trying to falsely put spaces around
     the negative sign.
 * ad7280a
   - Add brackets to macros to avoid potential precedence isseus.
   - Add temp vars for event codes to reduce indent and improved readability.
   - Clean out som CamelCase notation.
   - White space.
 * ad7606
   - Fix broken file naming in MAINTAINERS.
 * ad7780
   - Missing switch defaults to supress warnings and harden the code slightly.
   - Set pattern masks more directly.
   - Add ID values and masks for all supported chips.
   - SPDX + add Renato as a copyright holder as he has done a lot of work on
     this driver.
   - Add brackets to macros to avoid potential precedence issues.
 * ad7923
   - White space fixes.
   - Use BIT macro to improve readability.
   - Add brackets to macros to avoid potential precedence issues.
   - Tidy up a null comparisom.
 * ad9523
   - Fix a typo in naming of variables.
 * adis16400
   - Combine trigger file into main code as no advantage in separate files.
     Rename core file to just adis16400.
   - Squash the header into the c file now there is only one file.
   - Generalize burst mode to support new variants.
 * ak8975
   - Local variable to improve readability around mount matrix support.
 * as3935
   - Avoid potential race by ensuring remove does exact opposite of
     probe rather than a slightly different order.
 * cross_ec
   - Drop some unnecessary includes.
   - Fix some warning and the slightly 'unusual' code.
   - Add some docs for non obvious function.
   - SPDX
 * hmc5843
   - Potential unhandled error case.
 * iio trigger core
   - Print an error if there is no available irq due to max consumers per
     trigger being set to low.
 * iio loop trigger
   - Drop an unlikely on IS_ERR as IS_ERR already has the annotation.
 * ingenic-adc
   - Drop a redundant dev_err call as devm_ioremap_resource reports the same
     internally.
 * lmp91000
   - Drop some unncessary parentheses and white space tidy up.
   - Invert and if statement to improve readability.
   - Fix a wrong error message.
 * lpc32xx
   - Header sorting + drop some unused ones.
 * mma8542
   - Mark a switch fallthrough.
 * mpu6050
   - Add a local variable to improve code readability around mount matrix
     support.
 * mxs-lradc-adc
   - Handle devm_iio_trigger_alloc failure.
 * sps30
   - Fix up a kernel version in the ABI docs.
 * srf04
   - DT binding doc converted to yaml.
 * ssp_sensors
   - Supress a clang build warning due to lack of visibility of conditional
     within a iio_push_to_buffers_with_timestamp.  (reasonable false warning!)
 * st_accel
   - Drop pointless less than 0 comparisom of unsigned int.
 * stm32-dfsdm
   - Improve accuracy of spi_master_frequency calculation.
   - Improve calculation fo sampling frequency.
   - Rework various internals to simplify adding triggered buffer support.
   - Claim direct mode to avoid racing around read_raw and being in buffered
     mode.
 * stmpe
   - Fix a clang false positive warning.
 * ti-ads7950
   - Use local lock rather than using the core mlock when not locking around
     the device mode.
 * vcnl4000
   - Use word writes instead of byte writes.  It seems byte writes are fine
     for some parts (undocument) but not others that the driver will shortly
     support.
 
 Other
 * mailmap
   - Add email address change for Sean Nyekjaer.  Update in relevant drivers
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Merge tag 'iio-for-5.2a-2' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

First set of new device support, features and fixes for IIO in the 5.2 cycle

Staging graduations
* ad7780
  - Move this ADC driver out of staging.  Included adding some new features
    along the way (see below). Also added DT bindings.

New device support
* adis16480
  - Support the ADIS16495 and ADIS16497 IMU devices making
    heavy use of refactoring of various aspects of the driver in precursor
    patches.
* lsm6dsx
  - Support for the ASM330LHH 6-axis (accelerometer + gyro) sensor.
  - Support for the LSM6DS0X
* matbotix mb1232
  - New driver for this ultrasound ranging device family. Including bindings.
  - Supports mb1202, mb1212, mb1222, mb1232, mb1242, mb7040 and mb7137.
* max31856
  - New driver for this thermocouple temperature sensor.
* meson saradc
  - Support the Meson-G12A (ID addition only).
* stmpe-adc
  - New driver supporting generic ADC alongside touchscreen support which
    previously existed. Includes DT bindings.
* vcnl4000
  - Support for the vcln4040 proximity and light sensor, including adding
    DT bindings for this and parts previously supported.

Features
* core
  - Allow reading of mount matrices from ACPI in addition to DT.
  - Common binding for theromcouple types.
* ad5933
  - Add ABI docs as there are a few 'unsual' elements about this
    device - perhaps because it's our only impedance analyser.
* ad7780
  - Add gain and filter gpio support + readback of current gain and filter.
* adis16480
  - Allow selection fo the dataready pin to be used.
  - Device tree ID table and binding documentation.
  - Support external clock modes, including new bindings.
* bma180
  - Mount matrix support.
* bmc150
  - Mount matrix support.
* bmg160
  - Mount matrix support.
  - DT id table and bindings doc.
* bmp280
  - Put calibration data into the entropy pool.
* hmc5843
  - Mount matrix support.
* itg3200
  - Mount matrix support.
* kxcjk1013
  - Device tree id table, and binding docs.
* lpc32xx
  - Add scale when regulator specified including DT docs for regulator.
* pms7003
  - Add device IDs for all supported parts to driver and binding.
* stm32-dfsdm
  - Enable hw consumer support, scan mode control and a complex set of
    triggered buffer modes.
  - Power management.
* stm32-lptimer-counter
  - power management.
  - Document the pinctrl sleep state binding.
* ti-ads7950
  - GPIO pin support.

Cleanups, minor fixes
* core
  - Use bitmap_zalloc to make it explicit that is what we are doing.
  - Tidy up all the Kconfig files (which had slowly gotten messy)
  - Fix a forwards definition missing issue in iio/driver.h
* ad sigma delta core
  - Improve handling of SPI bus locking vs CS assertion.  This has been
    wrong a long time so not rushing this in.
* ad5064
  - Mlock to local lock.
* ad5933 (staging cleanup)
  - Multiline comment fixes.
  - Include ordering.
  - SPDX.
  - Tidy up Kconfig help which was a bit missleading.
  - Change some non standard attributes to ABI defined ones.
* ad7124
  - White space fix.
* ad7192
  - White space.
  - Use DT clock binding.
  - Improve error reporting.
  - Platform data to DT conversion.
  - Use read_avail callback, mostly to avoid the endless series of
    patches from new contributors trying to falsely put spaces around
    the negative sign.
* ad7280a
  - Add brackets to macros to avoid potential precedence isseus.
  - Add temp vars for event codes to reduce indent and improved readability.
  - Clean out som CamelCase notation.
  - White space.
* ad7606
  - Fix broken file naming in MAINTAINERS.
* ad7780
  - Missing switch defaults to supress warnings and harden the code slightly.
  - Set pattern masks more directly.
  - Add ID values and masks for all supported chips.
  - SPDX + add Renato as a copyright holder as he has done a lot of work on
    this driver.
  - Add brackets to macros to avoid potential precedence issues.
* ad7923
  - White space fixes.
  - Use BIT macro to improve readability.
  - Add brackets to macros to avoid potential precedence issues.
  - Tidy up a null comparisom.
* ad9523
  - Fix a typo in naming of variables.
* adis16400
  - Combine trigger file into main code as no advantage in separate files.
    Rename core file to just adis16400.
  - Squash the header into the c file now there is only one file.
  - Generalize burst mode to support new variants.
* ak8975
  - Local variable to improve readability around mount matrix support.
* as3935
  - Avoid potential race by ensuring remove does exact opposite of
    probe rather than a slightly different order.
* cross_ec
  - Drop some unnecessary includes.
  - Fix some warning and the slightly 'unusual' code.
  - Add some docs for non obvious function.
  - SPDX
* hmc5843
  - Potential unhandled error case.
* iio trigger core
  - Print an error if there is no available irq due to max consumers per
    trigger being set to low.
* iio loop trigger
  - Drop an unlikely on IS_ERR as IS_ERR already has the annotation.
* ingenic-adc
  - Drop a redundant dev_err call as devm_ioremap_resource reports the same
    internally.
* lmp91000
  - Drop some unncessary parentheses and white space tidy up.
  - Invert and if statement to improve readability.
  - Fix a wrong error message.
* lpc32xx
  - Header sorting + drop some unused ones.
* mma8542
  - Mark a switch fallthrough.
* mpu6050
  - Add a local variable to improve code readability around mount matrix
    support.
* mxs-lradc-adc
  - Handle devm_iio_trigger_alloc failure.
* sps30
  - Fix up a kernel version in the ABI docs.
* srf04
  - DT binding doc converted to yaml.
* ssp_sensors
  - Supress a clang build warning due to lack of visibility of conditional
    within a iio_push_to_buffers_with_timestamp.  (reasonable false warning!)
* st_accel
  - Drop pointless less than 0 comparisom of unsigned int.
* stm32-dfsdm
  - Improve accuracy of spi_master_frequency calculation.
  - Improve calculation fo sampling frequency.
  - Rework various internals to simplify adding triggered buffer support.
  - Claim direct mode to avoid racing around read_raw and being in buffered
    mode.
* stmpe
  - Fix a clang false positive warning.
* ti-ads7950
  - Use local lock rather than using the core mlock when not locking around
    the device mode.
* vcnl4000
  - Use word writes instead of byte writes.  It seems byte writes are fine
    for some parts (undocument) but not others that the driver will shortly
    support.

Other
* mailmap
  - Add email address change for Sean Nyekjaer.  Update in relevant drivers

* tag 'iio-for-5.2a-2' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (129 commits)
  iio: ad_sigma_delta: Properly handle SPI bus locking vs CS assertion
  iio: adc: stm32-dfsdm: add PM support
  iio: adc: stm32-dfsdm: improve sampling frequency accuracy
  staging: iio: adc: ad7280a: Tab alignment
  MAINTAINERS: Fix the link to ad7606 dt-bindings
  iio:temperature: Add MAX31856 thermocouple support
  iio:temperature:max31856:Add device tree bind info
  dt-bindings: iio/temperature: Add thermocouple types (and doc)
  devantech-srf04.yaml: transform DT binding to YAML
  iio: frequency: ad9523: Fix typo in ad9523_platform_data
  iio: Make possible to include driver.h first
  dt-bindings: iio: add Bosch BMG160 gyroscope sensor
  iio: gyro: bmg160: add device tree compatibility table
  staging: iio: adc: ad7192: Use read_avail for available attributes
  dt-bindings: iio: light: add vcnl4040 devicetree bindings
  iio: light: vcnl4000 add support for the VCNL4040 proximity and light sensor
  dt-bindings: iio: light: add vcnl4000 devicetree bindings
  iio: light: vcnl4000 add devicetree hooks
  iio: light: vcnl4000 use word writes instead of byte writes
  iio: adc: stm32-dfsdm: claim direct mode for raw read and settings
  ...
2019-04-04 22:25:29 +02:00
arch A collection of x86 and ARM bugfixes, and some improvements to documentation. 2019-03-31 08:55:59 -07:00
block blk-mq: fix sbitmap ws_active for shared tags 2019-03-25 13:05:47 -06:00
certs kexec, KEYS: Make use of platform keyring for signature verify 2019-02-04 17:34:07 -05:00
crypto lib/lzo: separate lzo-rle from lzo 2019-03-07 18:32:03 -08:00
Documentation iio:temperature: Add MAX31856 thermocouple support 2019-04-04 20:21:05 +01:00
drivers First set of new device support, features and fixes for IIO in the 5.2 cycle 2019-04-04 22:25:29 +02:00
fs Merge branch 'akpm' (patches from Andrew) 2019-03-29 16:02:28 -07:00
include iio: ad_sigma_delta: Properly handle SPI bus locking vs CS assertion 2019-04-04 20:21:15 +01:00
init init/main: add checks for the return value of memblock_alloc*() 2019-03-12 10:04:02 -07:00
ipc Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-03-12 14:08:19 -07:00
kernel Merge branch 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-03-31 08:22:12 -07:00
lib for-linus-20190329 2019-03-29 14:43:07 -07:00
LICENSES LICENSES: Add GCC runtime library exception text 2019-01-16 14:54:15 -07:00
mm mm/migrate.c: add missing flush_dcache_page for non-mapped page migrate 2019-03-29 10:01:37 -07:00
net A patch to avoid choking on multipage bvecs in the messenger and 2019-03-29 14:41:09 -07:00
samples Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-03-11 08:54:01 -07:00
scripts Merge branch 'akpm' (patches from Andrew) 2019-03-29 16:02:28 -07:00
security LSM: Revive CONFIG_DEFAULT_SECURITY_* for "make oldconfig" 2019-03-29 14:08:49 -07:00
sound sound fixes for 5.1-rc3 2019-03-29 14:53:33 -07:00
tools A collection of x86 and ARM bugfixes, and some improvements to documentation. 2019-03-31 08:55:59 -07:00
usr user/Makefile: Fix typo and capitalization in comment section 2018-12-11 00:18:03 +09:00
virt KVM/ARM fixes for 5.1 2019-03-28 19:07:30 +01:00
.clang-format Merge branch 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-03-12 13:43:42 -07:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore kbuild: Add support for DT binding schema checks 2018-12-13 09:41:32 -06:00
.mailmap mailmap: Update email for Sean Nyekjaer 2019-04-04 20:19:51 +01:00
COPYING COPYING: use the new text with points to the license files 2018-03-23 12:41:45 -06:00
CREDITS Char/Misc driver patches for 5.1-rc1 2019-03-06 14:18:59 -08:00
Kbuild Kbuild updates for v5.1 2019-03-10 17:48:21 -07:00
Kconfig kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt 2018-08-02 08:06:55 +09:00
MAINTAINERS MAINTAINERS: Fix the link to ad7606 dt-bindings 2019-04-04 20:21:07 +01:00
Makefile Linux 5.1-rc3 2019-03-31 14:39:29 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.