linux-kernel - Re: [PATCH v4 5/9] spi: spi-mem: Mark dummy transfers by setting dummy

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Message-ID: <20201218204102.GF5333@sirena.org.uk>
Date:   Fri, 18 Dec 2020 20:41:02 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Pratyush Yadav <p.yadav@...com>
Cc:     Sowjanya Komatineni <skomatineni@...dia.com>,
        Boris Brezillon <boris.brezillon@...labora.com>,
        thierry.reding@...il.com, jonathanh@...dia.com, robh+dt@...nel.org,
        lukas@...ner.de, bbrezillon@...nel.org,
        tudor.ambarus@...rochip.com, linux-spi@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v4 5/9] spi: spi-mem: Mark dummy transfers by setting
 dummy_data bit

On Sat, Dec 19, 2020 at 12:49:38AM +0530, Pratyush Yadav wrote:

> Anyway, if the SPI maintainers think this is worth it, I won't object.

This gets kind of circular, for me it's a question of if there's some
meaningful benefit from using the feature vs the cost to support it and
from the sounds of it we don't have numbers on the benefits from using
it at present.

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