linux-kernel - Re: [PATCH RFC 1/4] spi: spi-mem: Flag DQS capability

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Message-ID: <874inuff9l.fsf@bootlin.com>
Date: Fri, 06 Feb 2026 09:27:34 +0100
From: Miquel Raynal <miquel.raynal@...tlin.com>
To: Mark Brown <broonie@...nel.org>
Cc: Richard Weinberger <richard@....at>,  Vignesh Raghavendra
 <vigneshr@...com>,  Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
  praneeth@...com,  u-kumar1@...com,  p-mantena@...com,  a-dutta@...com,
  s-k6@...com,  linux-spi@...r.kernel.org,  linux-kernel@...r.kernel.org,
  linux-mtd@...ts.infradead.org
Subject: Re: [PATCH RFC 1/4] spi: spi-mem: Flag DQS capability

On 05/02/2026 at 19:11:45 GMT, Mark Brown <broonie@...nel.org> wrote:

> On Thu, Feb 05, 2026 at 08:06:58PM +0100, Miquel Raynal wrote:
>> DQS is a typical SPI memory signal used to help with reading the data on
>> the bus at high speeds (especially in DTR mode) by avoiding clock
>> skews. The chip generates a clock signal synchronized with its data
>> output fronts, also called data strobe.
>
> Acked-by: Mark Brown <broonie@...nel.org>
>
> This seems fine if the rest of the series is fine; if people like this
> approach then it's probably sensible to merge along with the MTD patches
> using it and then send me a tag with the SPI bit for me to apply the
> SPI driver changes.

For sure. This is a prerequisite for Santhosh's SPI tuning series, so if
we go that way, I will merge that bit and offer an immutable tag with
the spi-mem and mtd patches as you proposed.

Thanks,
Miquèl