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    Subject[PATCH v4 00/17] iio: core,buffer: add support for multiple IIO buffers per IIO device
    Date
    Changelog v3 -> v4:
    * patch 'docs: ioctl-number.rst: reserve IIO subsystem ioctl() space'
    remove 'uapi/' from `uapi/linux/iio/*.h`
    * patch 'iio: core: register chardev only if needed'
    add commit comment about potentially breaking userspace ABI with chardev removal
    * patch 'iio: core: rework iio device group creation'
    remove NULL re-init in iio_device_unregister_sysfs() ; memory is being free'd
    * patch 'iio: buffer: group attr count and attr alloc'
    extend commit comment about the 2 or 1 buffer directores
    * patch 'iio: core: merge buffer/ & scan_elements/ attributes'
    fixed static checker complaints
    - removed unused global
    - initialize omitted 'ret = -ENOMEM' on error path
    - made iio_buffer_unregister_legacy_sysfs_groups() static
    * patch 'iio: buffer: wrap all buffer attributes into iio_dev_attr'
    - update some omitted unwindings; seems i forgot a few originally
    this was showing up when trying to read from buffer1
    * add patch 'iio: buffer: move __iio_buffer_free_sysfs_and_mask() before alloc func'
    * patch 'iio: buffer: introduce support for attaching more IIO buffers'
    - removed 'iio_dev_opaque->attached_buffers = NULL' after kfree()
    - using 'iio_dev_opaque->attached_buffers_cnt' to check that we have buffers
    instead of checking 'indio_dev->buffer'
    * patch 'iio: buffer: add ioctl() to support opening extra buffers for IIO device'
    - replaced -ENOENT with -ENODEV when buffer index is out of range
    * add 'iio: core: rename 'dev' -> 'indio_dev' in iio_device_alloc()'
    * add 'iio: buffer: dmaengine: obtain buffer object from attribute'
    * add tools/iio patches for new multibuffer logic
    tools: iio: make iioutils_get_type() private in iio_utils
    tools: iio: privatize globals and functions in iio_generic_buffer.c file
    tools: iio: convert iio_generic_buffer to use new IIO buffer API

    Alexandru Ardelean (17):
    docs: ioctl-number.rst: reserve IIO subsystem ioctl() space
    iio: core: register chardev only if needed
    iio: core-trigger: make iio_device_register_trigger_consumer() an int
    return
    iio: core: rework iio device group creation
    iio: buffer: group attr count and attr alloc
    iio: core: merge buffer/ & scan_elements/ attributes
    iio: add reference to iio buffer on iio_dev_attr
    iio: buffer: wrap all buffer attributes into iio_dev_attr
    iio: buffer: dmaengine: obtain buffer object from attribute
    iio: core: wrap iio device & buffer into struct for character devices
    iio: buffer: move __iio_buffer_free_sysfs_and_mask() before alloc
    iio: buffer: introduce support for attaching more IIO buffers
    iio: buffer: add ioctl() to support opening extra buffers for IIO
    device
    iio: core: rename 'dev' -> 'indio_dev' in iio_device_alloc()
    tools: iio: make iioutils_get_type() private in iio_utils
    tools: iio: privatize globals and functions in iio_generic_buffer.c
    file
    tools: iio: convert iio_generic_buffer to use new IIO buffer API

    .../userspace-api/ioctl/ioctl-number.rst | 1 +
    .../buffer/industrialio-buffer-dmaengine.c | 3 +-
    drivers/iio/iio_core.h | 24 +-
    drivers/iio/iio_core_trigger.h | 4 +-
    drivers/iio/industrialio-buffer.c | 483 ++++++++++++++----
    drivers/iio/industrialio-core.c | 108 +++-
    drivers/iio/industrialio-event.c | 6 +-
    drivers/iio/industrialio-trigger.c | 6 +-
    include/linux/iio/buffer.h | 4 +-
    include/linux/iio/buffer_impl.h | 21 +-
    include/linux/iio/iio-opaque.h | 14 +
    include/linux/iio/iio.h | 5 -
    include/linux/iio/sysfs.h | 3 +
    include/uapi/linux/iio/buffer.h | 10 +
    tools/iio/Makefile | 1 +
    tools/iio/iio_generic_buffer.c | 133 +++--
    tools/iio/iio_utils.c | 18 +-
    tools/iio/iio_utils.h | 8 +-
    18 files changed, 658 insertions(+), 194 deletions(-)
    create mode 100644 include/uapi/linux/iio/buffer.h

    --
    2.17.1

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