linux-kernel - Re: [RFC 06/13] v4l2-async: per notifier locking

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Message-ID: <20170215105856.GD29330@amd>
Date:   Wed, 15 Feb 2017 11:58:56 +0100
From:   Pavel Machek <pavel@....cz>
To:     Sebastian Reichel <sre@...nel.org>
Cc:     sakari.ailus@....fi, pali.rohar@...il.com,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        laurent.pinchart@...asonboard.com, mchehab@...nel.org,
        ivo.g.dimitrov.75@...il.com
Subject: Re: [RFC 06/13] v4l2-async: per notifier locking

Hi!

> > From: Sebastian Reichel <sre@...nel.org>
> > 
> > Without this, camera support breaks boot on N900.
> 
> That's kind of vague. I just checked my original patch and it looks
> like I did not bother to write a proper patch description. I suggest
> to make this
> 
> "Fix v4l2-async locking, so that v4l2_async_notifiers can be used
> recursively. This is important for sensors, that are only reachable
> by the image signal processor through some intermediate device."
> 
> You should probably move move this patch directly before the
> video-bus-switch patch, since its a preparation for it.
> 
> Also this is missing my SoB:
> 
> Signed-off-by: Sebastian Reichel <sre@...nel.org>

Thanks, done.
								Pavel
								
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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