linux-kernel - Re: [PATCH v2 00/27] mtd: spinand: Octal DTR support

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Message-ID: <61a547d0-592c-4cf5-ae4f-54456b08e83d@sirena.org.uk>
Date: Wed, 14 Jan 2026 11:25:32 +0000
From: Mark Brown <broonie@...nel.org>
To: Miquel Raynal <miquel.raynal@...tlin.com>
Cc: Richard Weinberger <richard@....at>,
	Vignesh Raghavendra <vigneshr@...com>,
	Tudor Ambarus <tudor.ambarus@...aro.org>,
	Pratyush Yadav <pratyush@...nel.org>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	Steam Lin <STLin2@...bond.com>, Santhosh Kumar K <s-k6@...com>,
	linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-mtd@...ts.infradead.org
Subject: Re: [PATCH v2 00/27] mtd: spinand: Octal DTR support

On Fri, Jan 09, 2026 at 06:17:58PM +0100, Miquel Raynal wrote:

> This series adds support for 8D-8D-8D in SPI NAND, which can already be
> leveraged without any SPI changes as controllers already have this
> support for some SPI NOR devices.

The following changes since commit 0f61b1860cc3f52aef9036d7235ed1f017632193:

  Linux 6.19-rc5 (2026-01-11 17:03:14 -1000)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git tags/spi-octal-dtr

for you to fetch changes up to 8618271887ca10ac5108fe7e1d82ba8f1b152cf9:

  spi: spi-mem: Limit octal DTR constraints to octal DTR situations (2026-01-12 12:40:30 +0000)

----------------------------------------------------------------
spi: Octal DTR support

This series adds support for 8D-8D-8D in SPI NAND, which can already be
leveraged without any SPI changes as controllers already have this
support for some SPI NOR devices.

Among the few spi-mem patches, they are needed for building the SPI NAND
changes (especially the ODTR introduction at the end) and therefore an
immutable tag will be needed for merging in the MTD tree (unless all the
series goes through MTD directly ofc).

----------------------------------------------------------------
Miquel Raynal (3):
      spi: spi-mem: Make the DTR command operation macro more suitable
      spi: spi-mem: Create a repeated address operation
      spi: spi-mem: Limit octal DTR constraints to octal DTR situations

 drivers/spi/spi-mem.c       | 15 +++++++++++++--
 include/linux/spi/spi-mem.h | 14 +++++++++++---
 2 files changed, 24 insertions(+), 5 deletions(-)

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