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Date:   Mon, 30 Jan 2017 09:53:09 -0800
From:   Tony Lindgren <tony@...mide.com>
To:     Pavel Machek <pavel@....cz>
Cc:     Kalle Valo <kvalo@...eaurora.org>,
        Pali Rohár <pali.rohar@...il.com>,
        Arend Van Spriel <arend.vanspriel@...adcom.com>,
        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>,
        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

* Pavel Machek <pavel@....cz> [170127 11:41]:
> On Fri 2017-01-27 17:23:07, Kalle Valo wrote:
> > Pali Rohár <pali.rohar@...il.com> writes:
> > 
> > > On Friday 27 January 2017 14:26:22 Kalle Valo wrote:
> > >> Pali Rohár <pali.rohar@...il.com> writes:
> > >> 
> > >> > 2) It was already tested that example NVS data can be used for N900 e.g.
> > >> > for SSH connection. If real correct data are not available it is better
> > >> > to use at least those example (and probably log warning message) so user
> > >> > can connect via SSH and start investigating where is problem.
> > >> 
> > >> I disagree. Allowing default calibration data to be used can be
> > >> unnoticed by user and left her wondering why wifi works so badly.
> > >
> > > So there are only two options:
> > >
> > > 1) Disallow it and so these users will have non-working wifi.
> > >
> > > 2) Allow those data to be used as fallback mechanism.
> > >
> > > And personally I'm against 1) because it will break wifi support for
> > > *all* Nokia N900 devices right now.
> > 
> > All two of them? :)
> 
> Umm. You clearly want a flock of angry penguins at your doorsteps :-).

Well this silly issue of symlinking and renaming nvs files in a standard
Linux distro was also hitting me on various devices with wl12xx/wl18xx
trying to use the same rootfs.

Why don't we just set a custom compatible property for n900 that then
picks up some other nvs file instead of the default?

Regards,

Tony

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