linux-kernel - Re: phy/micrel: KSZ8031RNL RMII clock reconfiguration bug

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Date:	Mon, 17 Nov 2014 17:00:38 +0100
From:	Johan Hovold <johan@...nel.org>
To:	Bruno Thomsen <bth@...strup.dk>
Cc:	Johan Hovold <johan@...nel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"f.fainelli@...il.com" <f.fainelli@...il.com>,
	"s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
	"bruno.thomsen@...il.com" <bruno.thomsen@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: phy/micrel: KSZ8031RNL RMII clock reconfiguration bug

On Mon, Nov 17, 2014 at 02:56:45PM +0000, Bruno Thomsen wrote:
> > Did you specify a led-mode as well, or was the Operation Mode Strap
> > Override (OMSO) write the first access after the soft reset?
>
> No led-mode was specified so OMSO was the first write.

Did you try setting a led-mode before changing the clock mode? Perhaps
that could also trigger the problem (i.e. when the clock-mode change
isn't the first write after reset).

> > Would you able to test my series on your setup, and possibly a
> > couple of diagnostic patches on top?
>
> Sure, I can try later this week.

Much appreciated. I'll resend the last part of the series (which is not
already in linux-next) and make sure to put you on CC.

Thanks,
Johan
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