linux-kernel - Re: [PATCH 1/4] spi: Add parameter for clock to rx delay

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: <ZTvhnGCLKVNUpqLT@finisterre.sirena.org.uk>
Date:   Fri, 27 Oct 2023 17:13:16 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Miquel Raynal <miquel.raynal@...tlin.com>
Cc:     "Stoll, Eberhard" <eberhard.stoll@...tron.de>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Eberhard Stoll <estl@....net>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-spi@...r.kernel.org" <linux-spi@...r.kernel.org>,
        "Schrempf, Frieder" <frieder.schrempf@...tron.de>,
        Amit Kumar Mahapatra <amit.kumar-mahapatra@....com>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Krishna Yarlagadda <kyarlagadda@...dia.com>,
        Leonard Göhrs <l.goehrs@...gutronix.de>,
        Yang Yingliang <yangyingliang@...wei.com>
Subject: Re: [PATCH 1/4] spi: Add parameter for clock to rx delay

On Fri, Oct 27, 2023 at 02:46:46PM +0200, Miquel Raynal wrote:

> Yes, if the information is discoverable, we should propagate it to the
> spi layer so that the relevant action is taken, from the most desirable
> to the less desirable:
> - adapting the sampling point
> - lowering the bus frequency
> - refusing the probe if none of these solutions are possible

> Can you update your patchset with this in mind?

Yes, this sounds exactly like what I'd expect the SPI core to be doing.

Download attachment "signature.asc" of type "application/pgp-signature" (489 bytes)