linux-kernel - Re: subdevice config into pointer (was Re: [PATCH 1/4] v4l2: device_register_subdev

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: <20170302151321.GH3220@valkosipuli.retiisi.org.uk>
Date:   Thu, 2 Mar 2017 17:13:21 +0200
From:   Sakari Ailus <sakari.ailus@....fi>
To:     Pavel Machek <pavel@....cz>
Cc:     sre@...nel.org, 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: subdevice config into pointer (was Re: [PATCH 1/4] v4l2:
 device_register_subdev_nodes: allow calling multiple times)

Hi Pavel,

On Thu, Mar 02, 2017 at 03:58:08PM +0100, Pavel Machek wrote:
> Hi!
> 
> > > > Making the sub-device bus configuration a pointer should be in a separate
> > > > patch. It makes sense since the entire configuration is not valid for all
> > > > sub-devices attached to the ISP anymore. I think it originally was a
> > > > separate patch, but they probably have been merged at some point. I can't
> > > > find it right now anyway.
> > > 
> > > Something like this?
> > > 
> > > commit df9141c66678b549fac9d143bd55ed0b242cf36e
> > > Author: Pavel <pavel@....cz>
> > > Date:   Wed Mar 1 13:27:56 2017 +0100
> > > 
> > >     Turn bus in struct isp_async_subdev into pointer; some of our subdevs
> > >     (flash, focus) will not need bus configuration.
> > > 
> > > Signed-off-by: Pavel Machek <pavel@....cz>
> > 
> > I applied this to the ccp2 branch with an improved patch
> > description.
> 
> Thanks!
> 
> [But the important part is to get subdevices to work on ccp2 based
> branch, and it still fails to work at all if I attempt to enable
> them. I'd like to understand why...]

Did you add the flash / lens to the async list? The patches currently in the
ccp branch do not include that --- it should be in parsing the flash /
lens-focus properties in omap3isp device's node.

-- 
Regards,

Sakari Ailus
e-mail: sakari.ailus@....fi	XMPP: sailus@...iisi.org.uk