netdev - Re: wl1251 & mac address & calibration data

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Message-ID: <20161126171730.GA16318@amd>
Date:   Sat, 26 Nov 2016 18:17:31 +0100
From:   Pavel Machek <pavel@....cz>
To:     Aaro Koskinen <aaro.koskinen@....fi>
Cc:     Pali Rohár <pali.rohar@...il.com>,
        Sebastian Reichel <sre@...nel.org>,
        Michal Kazior <michal.kazior@...to.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>,
        Tony Lindgren <tony@...mide.com>,
        linux-wireless <linux-wireless@...r.kernel.org>,
        Network Development <netdev@...r.kernel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: wl1251 & mac address & calibration data

On Thu 2016-11-24 20:46:01, Aaro Koskinen wrote:
> Hi,
> 
> On Thu, Nov 24, 2016 at 04:20:45PM +0100, Pali Rohár wrote:
> > Proprietary, signed and closed bootloader NOLO does not support DT. So
> > for booting you need to append DTS file to kernel image.
> > 
> > U-Boot is optional and can be used as intermediate bootloader between
> > NOLO and kernel. But still it has problems with reading from nand, so
> > cannot read NVS data nor MAC address.
> 
> You could use kexec to pass the fixed DT.

Yeah. You could also strap desktop PC to a USB GPRS card, and call it
phone. You could also make a pig fly.

But because you could does not mean you should. No, sorry, kexec is
not acceptable. Too hard to set up, slows boot too much.

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

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