linux-kernel - Re: [PATCH v3 21/27] mtd: spinand: Create distinct fast and slow read from cache variants

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <173696548250.435435.10416906996871126975.b4-ty@bootlin.com>
Date: Wed, 15 Jan 2025 19:31:02 +0100
From: Miquel Raynal <miquel.raynal@...tlin.com>
To: Mark Brown <broonie@...nel.org>,
	Sanjay R Mehta <sanju.mehta@....com>,
	Serge Semin <fancer.lancer@...il.com>,
	Han Xu <han.xu@....com>,
	Conor Dooley <conor.dooley@...rochip.com>,
	Daire McNamara <daire.mcnamara@...rochip.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Haibo Chen <haibo.chen@....com>,
	Yogesh Gaur <yogeshgaur.83@...il.com>,
	Heiko Stuebner <heiko@...ech.de>,
	Michal Simek <michal.simek@....com>,
	Richard Weinberger <richard@....at>,
	Vignesh Raghavendra <vigneshr@...com>,
	Jacky Huang <ychuang3@...oton.com>,
	Shan-Chun Hung <schung@...oton.com>,
	Chin-Ting Kuo <chin-ting_kuo@...eedtech.com>,
	Cédric Le Goater <clg@...d.org>,
	Joel Stanley <joel@....id.au>,
	Andrew Jeffery <andrew@...econstruct.com.au>,
	Avi Fishman <avifishman70@...il.com>,
	Tomer Maimon <tmaimon77@...il.com>,
	Tali Perry <tali.perry1@...il.com>,
	Patrick Venture <venture@...gle.com>,
	Nancy Yuen <yuenn@...gle.com>,
	Benjamin Fair <benjaminfair@...gle.com>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Raju Rangoju <Raju.Rangoju@....com>,
	Miquel Raynal <miquel.raynal@...tlin.com>
Cc: Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	Steam Lin <stlin2@...bond.com>,
	linux-spi@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-riscv@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-mtd@...ts.infradead.org,
	linux-aspeed@...ts.ozlabs.org,
	openbmc@...ts.ozlabs.org,
	linux-stm32@...md-mailman.stormreply.com,
	Tudor Ambarus <tudor.ambarus@...aro.org>
Subject: Re: [PATCH v3 21/27] mtd: spinand: Create distinct fast and slow read from cache variants

On Fri, 10 Jan 2025 15:45:23 +0100, Miquel Raynal wrote:
> So far, the SPINAND_PAGE_READ_FROM_CACHE_OP macro was taking a first
> argument, "fast", which was inducing the possibility to support higher
> bus frequencies than with the normal (slower) read from cache
> alternative. In practice, without frequency change on the bus, this was
> likely without effect, besides perhaps allowing another variant of the
> same command, that could run at the default highest speed. If we want to
> support this fully, we need to add a frequency parameter to the slowest
> command. But before we do that, let's drop the "fast" boolean from the
> macro and duplicate it, this will further help supporting having
> different frequencies allowed for each variant.
> 
> [...]

The following patches have been applied to nand/next:

[21/27] mtd: spinand: Create distinct fast and slow read from cache variants
        commit: 042087247835dad1ec5e39052abf022fd13c6326
[22/27] mtd: spinand: Add an optional frequency to read from cache macros
        commit: 7ce0d16d5802bfde4209e52ee8ad644ca1eab423
[23/27] mtd: spinand: Enhance the logic when picking a variant
        commit: 666c299be696f02c3354da104295fb94b8f65d25
[24/27] mtd: spinand: Add support for read DTR operations
        commit: 8586bc8d95488dfaadbc1af89ba59900d2c39119
[25/27] mtd: spinand: winbond: Update the *JW chip definitions
        commit: 1ea808b4d15b9bddc48af75b0668b82366b5b927
[26/27] mtd: spinand: winbond: Add comment about naming
        commit: 61c7155e3fe938d4da4671b2f84e29eaf79f5f46
[27/27] mtd: spinand: winbond: Add support for DTR operations
        commit: be7a05db4252edbffb43484b14755048fb8db710

Patche(s) should be available on mtd/linux.git and will be
part of the next PR (provided that no robot complains by then).

Kind regards,
Miquèl