tsl2772_read_prox_diodes() will correctly parse the properties from
device tree to determine which proximity diode(s) to read from, however
it didn't actually set this value on the struct tsl2772_settings. Let's
go ahead and fix that.

Reported-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/lkml/20230327120823.1369700-1-trix@redhat.com/
Fixes: 94cd1113aaa0 ("iio: tsl2772: add support for reading proximity led settings from device tree")
Signed-off-by: Brian Masney <bmasney@redhat.com>
Link: https://lore.kernel.org/r/20230404011455.339454-1-bmasney@redhat.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

In ad5755_parse_fw(), we should add fwnode_handle_put()
when break out of the iteration device_for_each_child_node()
as it will automatically increase and decrease the refcounter.

Fixes: 3ac27afefd5d ("iio:dac:ad5755: Switch to generic firmware properties and drop pdata")
Signed-off-by: Liang He <windhl@126.com>
Link: https://lore.kernel.org/r/20230322035627.1856421-1-windhl@126.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

The at91_adc_allocate_trigger() function is supposed to return error
pointers.  Returning a NULL will cause an Oops.

Fixes: 5e1a1da0f8c9 ("iio: adc: at91-sama5d2_adc: add hw trigger and buffer support")
Signed-off-by: Dan Carpenter <error27@gmail.com>
Link: https://lore.kernel.org/r/5d728f9d-31d1-410d-a0b3-df6a63a2c8ba@kili.mountain
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Jonathan writes:

1st set of IIO fixes for 6.3

Usual mixed bag:

- core - output buffers
  Fix return of bytes written when only some succeed.
  Fix O_NONBLOCK handling to not block.

- adi,ad7791
  Fix IRQ type.  Not confirmed to have any impact but good to correct it anyway

- adi,adis16400
  Missing CONFIG_CRC32

- capella,cm32181
  Unregister 2nd I2C client if one is used.

- cio-dac
  Fix bitdepth for range check on write.

- linear,ltc2497
  Fix a wrong shift of the LSB introduced when switching to be24 handling.

- maxim,max11410
  Fix handling of return code in read_poll_timeout()

- qcom,spmi-adc
  Fix an accidental change of channel name to include the reg value from OF.

- ti,palmas
  Fix a null dereference on remove due to wrong function used to get the
  drvdata.

- ti,ads7950
  Mark GPIO as can sleep.

* tag 'iio-fixes-for-6.3a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
  iio: adc: ti-ads7950: Set `can_sleep` flag for GPIO chip
  iio: adc: palmas_gpadc: fix NULL dereference on rmmod
  iio: adc: max11410: fix read_poll_timeout() usage
  iio: dac: cio-dac: Fix max DAC write value check for 12-bit
  iio: light: cm32181: Unregister second I2C client if present
  iio: accel: kionix-kx022a: Get the timestamp from the driver's private data in the trigger_handler
  iio: adc: ad7791: fix IRQ flags
  iio: buffer: make sure O_NONBLOCK is respected
  iio: buffer: correctly return bytes written in output buffers
  iio: light: vcnl4000: Fix WARN_ON on uninitialized lock
  iio: adis16480: select CONFIG_CRC32
  drivers: iio: adc: ltc2497: fix LSB shift
  iio: adc: qcom-spmi-adc5: Fix the channel name

The ads7950 uses a mutex as well as SPI transfers in its GPIO callbacks.
This means these callbacks can sleep and the `can_sleep` flag should be
set.

Having the flag set will make sure that warnings are generated when calling
any of the callbacks from a potentially non-sleeping context.

Fixes: c97dce792dc8 ("iio: adc: ti-ads7950: add GPIO support")
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: David Lechner <david@lechnology.com>
Link: https://lore.kernel.org/r/20230312210933.2275376-1-lars@metafoo.de
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Calling dev_to_iio_dev() on a platform device pointer is undefined and
will make adc NULL.

Signed-off-by: Patrik Dahlström <risca@dalakolonin.se>
Link: https://lore.kernel.org/r/20230313205029.1881745-1-risca@dalakolonin.se
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Even though we are passing 'ret' as stop condition for
read_poll_timeout(), that return code is still being ignored. The reason
is that the poll will stop if the passed condition is true which will
happen if the passed op() returns error. However, read_poll_timeout()
returns 0 if the *complete* condition evaluates to true. Therefore, the
error code returned by op() will be ignored.

To fix this we need to check for both error codes:
 * The one returned by read_poll_timeout() which is either 0 or
ETIMEDOUT.
 * The one returned by the passed op().

Fixes: a44ef7c46097 ("iio: adc: add max11410 adc driver")
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Acked-by: Ibrahim Tilki <Ibrahim.Tilki@analog.com>
Link: https://lore.kernel.org/r/20230307095303.713251-1-nuno.sa@analog.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

The CIO-DAC series of devices only supports DAC values up to 12-bit
rather than 16-bit. Trying to write a 16-bit value results in only the
lower 12 bits affecting the DAC output which is not what the user
expects. Instead, adjust the DAC write value check to reject values
larger than 12-bit so that they fail explicitly as invalid for the user.

Fixes: 3b8df5fd526e ("iio: Add IIO support for the Measurement Computing CIO-DAC family")
Cc: stable@vger.kernel.org
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Link: https://lore.kernel.org/r/20230311002248.8548-1-william.gray@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

If a second dummy client that talks to the actual I2C address was
created in probe(), there should be a proper cleanup on driver and
device removal to avoid leakage.

So unregister the dummy client via another callback.

Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Suggested-by: Hans de Goede <hdegoede@redhat.com>
Fixes: c1e62062ff54 ("iio: light: cm32181: Handle CM3218 ACPI devices with 2 I2C resources")
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2152281
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Link: https://lore.kernel.org/r/20230223020059.2013993-1-kai.heng.feng@canonical.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Pull char/misc and other driver subsystem updates from Greg KH:
 "Here is the large set of driver changes for char/misc drivers and
  other smaller driver subsystems that flow through this git tree.

  Included in here are:

   - New IIO drivers and features and improvments in that subsystem

   - New hwtracing drivers and additions to that subsystem

   - lots of interconnect changes and new drivers as that subsystem
     seems under very active development recently. This required also
     merging in the icc subsystem changes through this tree.

   - FPGA driver updates

   - counter subsystem and driver updates

   - MHI driver updates

   - nvmem driver updates

   - documentation updates

   - Other smaller driver updates and fixes, full details in the
     shortlog

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'char-misc-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (223 commits)
  scripts/tags.sh: fix incompatibility with PCRE2
  firmware: coreboot: Remove GOOGLE_COREBOOT_TABLE_ACPI/OF Kconfig entries
  mei: lower the log level for non-fatal failed messages
  mei: bus: disallow driver match while dismantling device
  misc: vmw_balloon: fix memory leak with using debugfs_lookup()
  nvmem: stm32: fix OPTEE dependency
  dt-bindings: nvmem: qfprom: add IPQ8074 compatible
  nvmem: qcom-spmi-sdam: register at device init time
  nvmem: rave-sp-eeprm: fix kernel-doc bad line warning
  nvmem: stm32: detect bsec pta presence for STM32MP15x
  nvmem: stm32: add OP-TEE support for STM32MP13x
  nvmem: core: use nvmem_add_one_cell() in nvmem_add_cells_from_of()
  nvmem: core: add nvmem_add_one_cell()
  nvmem: core: drop the removal of the cells in nvmem_add_cells()
  nvmem: core: move struct nvmem_cell_info to nvmem-provider.h
  nvmem: core: add an index parameter to the cell
  of: property: add #nvmem-cell-cells property
  of: property: make #.*-cells optional for simple props
  of: base: add of_parse_phandle_with_optional_args()
  net: add helper eth_addr_add()
  ...