linux-kernel - Re: [PATCH 3/3] spi: apple: Add driver for Apple SPI controller

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] [day] [month] [year] [list]

Date:   Tue, 4 Jan 2022 12:58:16 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Lukas Wunner <lukas@...ner.de>
Cc:     Hector Martin <marcan@...can.st>, Sven Peter <sven@...npeter.dev>,
        Rob Herring <robh+dt@...nel.org>,
        Alyssa Rosenzweig <alyssa@...enzweig.io>,
        linux-arm-kernel@...ts.infradead.org, linux-spi@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] spi: apple: Add driver for Apple SPI controller

On Sat, Jan 01, 2022 at 08:25:48AM +0100, Lukas Wunner wrote:

> This is especially important if there are slaves attached to the
> controller which perform SPI transfers in their ->remove hooks,
> e.g. to quiesce interrupts on the slaves.  Those transfers won't
> work the way you've structured the code now.

The client drivers shouldn't notice - their remove callbacks will have
completed before we start removing the controller.

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