linux-kernel - Re: [PATCH v6 2/3] media: i2c: imx274: Remove stop stream i2c writes during remove

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: <d6be54a7-76b8-4206-0d76-6f93ec545e72@lucaceresoli.net>
Date:   Tue, 22 Sep 2020 10:09:33 +0200
From:   Luca Ceresoli <luca@...aceresoli.net>
To:     Sowjanya Komatineni <skomatineni@...dia.com>,
        thierry.reding@...il.com, jonathanh@...dia.com,
        sakari.ailus@....fi, hverkuil@...all.nl, jacopo+renesas@...ndi.org,
        leonl@...pardimaging.com, robh+dt@...nel.org, lgirdwood@...il.com,
        broonie@...nel.org
Cc:     linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 2/3] media: i2c: imx274: Remove stop stream i2c writes
 during remove

Hi,

On 21/09/20 23:39, Sowjanya Komatineni wrote:
> Sensor should already be in standby during remove and there is no
> need to configure sensor registers for stream stop.

I beg your pardon for the newbie question: does the V4L2 framework
guarantee that the stream is stopped (.s_stream(..., 0)) before removing
the driver?

Thanks,
-- 
Luca