linux-kernel - Re: [PATCH 2/2] iio: adc: ad7944: add driver for AD7944/AD7985/AD7986

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Message-ID: <20240210174729.7c6cb953@jic23-huawei>
Date: Sat, 10 Feb 2024 17:47:29 +0000
From: Jonathan Cameron <jic23@...nel.org>
To: David Lechner <dlechner@...libre.com>
Cc: linux-iio@...r.kernel.org, Michael Hennerich
 <Michael.Hennerich@...log.com>, Rob Herring <robh+dt@...nel.org>, Krzysztof
 Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley
 <conor+dt@...nel.org>, Nuno Sá <nuno.sa@...log.com>, Liam
 Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] iio: adc: ad7944: add driver for
 AD7944/AD7985/AD7986

On Tue,  6 Feb 2024 11:26:00 -0600
David Lechner <dlechner@...libre.com> wrote:

> This adds a driver for the Analog Devices Inc. AD7944, AD7985, and
> AD7986 ADCs. These are a family of pin-compatible ADCs that can sample
> at rates up to 2.5 MSPS.
> 
> The initial driver adds support for sampling at lower rates using the
> usual IIO triggered buffer and can handle all 3 possible reference
> voltage configurations.
> 
> Signed-off-by: David Lechner <dlechner@...libre.com>


The one thing in here that will probably bite if this gets much use of
different boards is the use of non multiple of 8 word sizes.

Often we can get away with padding those with trailing clocks.
Any idea if that is safe here?

Jonathan