netdev - Re: [PATCH 2/6] wl1251: Use request_firmware_prefer

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Date:   Fri, 27 Jan 2017 13:03:22 +0100
From:   Pavel Machek <pavel@....cz>
To:     Pali Rohár <pali.rohar@...il.com>
Cc:     Arend Van Spriel <arend.vanspriel@...adcom.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        Ming Lei <ming.lei@...onical.com>,
        "Luis R. Rodriguez" <mcgrof@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        David Gnedt <david.gnedt@...izone.at>,
        Michal Kazior <michal.kazior@...to.com>,
        Daniel Wagner <wagi@...om.org>,
        Tony Lindgren <tony@...mide.com>,
        Sebastian Reichel <sre@...nel.org>,
        Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>,
        Aaro Koskinen <aaro.koskinen@....fi>,
        Grazvydas Ignotas <notasas@...il.com>,
        linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH 2/6] wl1251: Use request_firmware_prefer_user() for
 loading NVS calibration data

Hi!

> > You are probably saying that on your platform you can not remove
> > anything from /lib/firmware, right? I don't see how you come from "it is
> > part of firmware package" to "removing is not possible". Trying to
> > understand this and it makes no sense.
> 
> It is already in linux distribution packages. If I remove that file from
> file system it will be placed there again by package management or it it
> will throw error message about system integrity (missing file, etc...).
> 
> Also that file is already in linux-firmware git and so is propagated to
> /lib/firmware by anybody who is using linux-firmware.
> 
> > >> Like we discussed earlier, the default nvs file should not be used by
> > >> normal users.
> > > 
> > > But already is and we need to deal with this fact.
> > 
> > Why?
> 
> Because everybody has already installed it.
> 
> > Are there other platforms that use the default nvs file and have a
> > working wifi.
> 
> I do not know.
> 
> > So your "removing is not possible" would be about
> > regression for those?
> 
> Yes, that is possible.
> 
> Also you can use wifi on Nokia N900 with this default file. Yes it is
> not recommended and probably has performance problems... but more people
> use it for SSH and it is working. Pavel could confirm this.

Yes, wifi somehow works on N900. .. depending on userspace and kernel
versions.

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

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