netdev - Re: [BUG] SIOCSIFFLAGS returns -EIO on SMSC LAN911x

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Date:	Mon, 02 Jan 2012 19:45:05 +0000
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Javier Martinez Canillas <martinez.javier@...il.com>
Cc:	netdev@...r.kernel.org,
	Enric Balletbo i Serra <eballetbo@...ebcn.com>
Subject: Re: [BUG] SIOCSIFFLAGS returns -EIO on SMSC LAN911x

On Mon, 2012-01-02 at 19:37 +0100, Javier Martinez Canillas wrote:
[...]
> Thanks for your help.
> 
> Finally, what I did was to bring to operational mode the integrated
> PHY chip by disabling the energy detect power-down mode before doing a
> software reset and re-enabling after it.
> 
> Does that solution make sense to you? I've sent the patch-set to the
> list for review. The patch-set is composed of the following patches:
[...]

I think that if the data sheet says the power-down bit is reserved on
the 9221i then it is better not to set it at all.  However, given that
you actually have hardware to test on, you are in a better position to
say what actually works.

Ben.

-- 
Ben Hutchings
All the simple programs have been written, and all the good names taken.

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