linux-kernel - Re: [PATCH v7 5/7] media: i2c: add DS90UB960 driver

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: <Y9JUEv66Gze8FjMZ@smile.fi.intel.com>
Date:   Thu, 26 Jan 2023 12:21:06 +0200
From:   Andy Shevchenko <andriy.shevchenko@...el.com>
To:     Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
Cc:     linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-i2c@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Wolfram Sang <wsa@...nel.org>,
        Luca Ceresoli <luca.ceresoli@...tlin.com>,
        Matti Vaittinen <Matti.Vaittinen@...rohmeurope.com>,
        Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Peter Rosin <peda@...ntia.se>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Michael Tretter <m.tretter@...gutronix.de>,
        Shawn Tu <shawnx.tu@...el.com>,
        Hans Verkuil <hverkuil@...all.nl>,
        Mike Pagano <mpagano@...too.org>,
        Krzysztof Hałasa <khalasa@...p.pl>,
        Marek Vasut <marex@...x.de>
Subject: Re: [PATCH v7 5/7] media: i2c: add DS90UB960 driver

On Thu, Jan 26, 2023 at 10:41:47AM +0200, Tomi Valkeinen wrote:
> On 25/01/2023 17:27, Andy Shevchenko wrote:

...

> > But I probably don't understand the ATR structure and what exactly we need to
> > pass to it, perhaps it also can be replaced with properties (note, that we have
> > some interesting ones that called references, which is an alternative to DT
> > phandle).
> 
> Well, maybe this needs a Linux bus implementation. I'm not that familiar
> with implementing a bus, but I think that would make it easier to share data
> between the deserializer and the serializer. A bus sounds a bit like an
> overkill for a 1-to-1 connection, used by a few drivers, but maybe it
> wouldn't be too much code.

Have you looked at auxiliary bus (appeared a few releases ago in kernel)?

-- 
With Best Regards,
Andy Shevchenko