linux-kernel - Re: [PATCH V2 10/20] Documentation: devicetree: spi: add spi-lsbyte-first propery

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Date:   Mon, 8 Apr 2019 13:27:12 +0700
From:   Mark Brown <broonie@...nel.org>
To:     Sowjanya Komatineni <skomatineni@...dia.com>
Cc:     thierry.reding@...il.com, jonathanh@...dia.com, talho@...dia.com,
        robh+dt@...nel.org, mark.rutland@....com, kyarlagadda@...dia.com,
        ldewangan@...dia.com, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH V2 10/20] Documentation: devicetree: spi: add
 spi-lsbyte-first propery

On Thu, Apr 04, 2019 at 05:14:09PM -0700, Sowjanya Komatineni wrote:
> spi-lsbyte-first optional property allows SPI slaves to choose byte
> order of little endian for transfers.

Why make this a DT property - surely it's either a fixed property of the
relevant devices if they are LSB first (in which case we should know we
can use it from the device) or it's something that the driver for the
device can just vary at runtime?

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