linux-kernel - Re: [PATCH v2 0/7] Add support for AD7091R-2/-4/-8

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Message-ID: <20231125160804.63c30be9@jic23-huawei>
Date:   Sat, 25 Nov 2023 16:08:04 +0000
From:   Jonathan Cameron <jic23@...nel.org>
To:     Marcelo Schmitt <marcelo.schmitt@...log.com>
Cc:     <beniamin.bia@...log.com>, <paul.cercueil@...log.com>,
        <Michael.Hennerich@...log.com>, <lars@...afoo.de>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <conor+dt@...nel.org>, <marcelo.schmitt1@...il.com>,
        <linux-iio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 0/7] Add support for AD7091R-2/-4/-8

On Thu, 23 Nov 2023 13:29:12 -0300
Marcelo Schmitt <marcelo.schmitt@...log.com> wrote:

> From: Marcelo Schmitt <marcelo.schmitt1@...il.com>
> 
> This series adds support for AD7091R-2/-4/-8 ADCs which can do single shot
> or sequenced readings. Threshold events are also supported.
> Overall, AD7091R-2/-4/-8 are very similar to AD7091R-5 except they use SPI interface.
> 
> This has been tested with raspberrypi and eval board on kernel 6.1 from ADI fork.
> Link: https://wiki.analog.com/resources/tools-software/linux-drivers/iio-adc/ad7091r8
> 
> I ran get_maintainers on driver files but completely forgot to run it on the
> yaml doc, my bad.
> I made the changes requested so far.
> For v2, I also ran dt_binding_check on iio testing branch to check out for any
> additional dt-schema issues. None reported.
> Didn't see any other warn after running Sparse, Smatch, and Coccicheck.
> I get a warn from checkpatch about IIO_DMA_MINALIGN which I don't know how to fix :(

Fix checkpatch :)
It has some exclusions for some of the warnings so probably look at what was added
to avoid issues with __cacheline_aligned and friends.
https://elixir.bootlin.com/linux/latest/source/scripts/checkpatch.pl#L515


> 
> Change log v1 -> v2:
> - Added device tree related To/Cc recipients.
> - Removed extra print of error code
> - $ref: "adc.yaml" -> $ref: adc.yaml
> - Fixed defined but not used build warn
> - Moved dt documentation of required properties to after patternProperties.
> - Removed incorrect return before regmap_update_bits().
> 
> Marcelo Schmitt (7):
>   iio: adc: ad7091r-base: Set alert config and drvdata
>   MAINTAINERS: Add MAINTAINERS entry for AD7091R
>   iio: adc: ad7091r: Move defines to header file
>   iio: adc: ad7091r: Alloc IIO device before generic probe
>   dt-bindings: iio: Add binding documentation for AD7091R-8
>   iio: adc: Add support for AD7091R-8
>   iio: adc: ad7091r-base: Add debugfs reg access
> 
>  .../bindings/iio/adc/adi,ad7091r8.yaml        | 101 +++++++
>  MAINTAINERS                                   |  12 +
>  drivers/iio/adc/Kconfig                       |  16 ++
>  drivers/iio/adc/Makefile                      |   4 +-
>  drivers/iio/adc/ad7091r-base.c                | 114 +++++---
>  drivers/iio/adc/ad7091r-base.h                |  64 ++++-
>  drivers/iio/adc/ad7091r5.c                    |  55 ++--
>  drivers/iio/adc/ad7091r8.c                    | 270 ++++++++++++++++++
>  8 files changed, 549 insertions(+), 87 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad7091r8.yaml
>  create mode 100644 drivers/iio/adc/ad7091r8.c
>