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

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Date:   Sun, 29 Jan 2017 18:10:01 +0100
From:   "Luis R. Rodriguez" <mcgrof@...nel.org>
To:     Pali Rohár <pali.rohar@...il.com>
Cc:     Kalle Valo <kvalo@...eaurora.org>,
        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>,
        Tony Lindgren <tony@...mide.com>,
        Sebastian Reichel <sre@...nel.org>,
        Pavel Machek <pavel@....cz>,
        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

On Fri, Jan 27, 2017 at 02:11:46PM +0100, Pali Rohár wrote:
> 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.

There is one "custom fallback" user in kernel which we recently
determined was a total mistake. A sysfs interface should have
been defined to enable custom LED settings. Can't a series of
sysfs interfaces be used to enable override ? So is that not a
third option worth consideration?

  Luis