linux-kernel - Re: [PATCH 2/8] spi: spi-mem: Take into account the actual maximum frequency

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Message-ID: <89c8da9d-8e4c-4e68-b306-5645154b4d60@sirena.org.uk>
Date: Wed, 18 Jun 2025 13:30:24 +0100
From: Mark Brown <broonie@...nel.org>
To: Miquel Raynal <miquel.raynal@...tlin.com>
Cc: Richard Weinberger <richard@....at>,
	Vignesh Raghavendra <vigneshr@...com>, Yogesh S <yogeshs@...com>,
	Santhosh Kumar K <s-k6@...com>, Steam Lin <STLin2@...bond.com>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-mtd@...ts.infradead.org
Subject: Re: [PATCH 2/8] spi: spi-mem: Take into account the actual maximum
 frequency

On Wed, Jun 18, 2025 at 02:14:19PM +0200, Miquel Raynal wrote:
> In order to pick the best variant, the duration of each typical
> operation is derived and then compared. These durations are based on the
> maximum capabilities of the chips, which are commonly the limiting
> factors. However there are other possible limiting pieces, such as the
> hardware layout, EMC considerations and in some cases, the SPI controller
> itself.

Reviewed-by: Mark Brown <broonie@...nel.org>

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