linux-kernel - RE: [Intel-wired-lan] e1000e: PHY cann't be initialized correctly on some I218 controllers

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Message-ID: <309B89C4C689E141A5FF6A0C5FB2118B81F70C7D@ORSMSX101.amr.corp.intel.com>
Date:	Tue, 9 Aug 2016 18:59:04 +0000
From:	"Brown, Aaron F" <aaron.f.brown@...el.com>
To:	"Avargil, Raanan" <raanan.avargil@...el.com>,
	Denis Turischev <denis.turischev@...pulab.co.il>,
	"intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>,
	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>
CC:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [Intel-wired-lan] e1000e: PHY cann't be initialized correctly
 on some I218 controllers



> -----Original Message-----
> From: Avargil, Raanan
> Sent: Tuesday, August 9, 2016 8:11 AM
> To: Denis Turischev <denis.turischev@...pulab.co.il>; intel-wired-
> lan@...ts.osuosl.org; Brown, Aaron F <aaron.f.brown@...el.com>; Kirsher,
> Jeffrey T <jeffrey.t.kirsher@...el.com>
> Cc: netdev@...r.kernel.org; linux-kernel@...r.kernel.org
> Subject: Re: [Intel-wired-lan] e1000e: PHY cann't be initialized correctly on
> some I218 controllers
> 
> 
> 
> On 8/7/2016 11:56, Denis Turischev wrote:
> > Hi Raanan,
> >
> > On 08/04/2016 07:18 PM, Raanan Avargil wrote:
> >> It is hard to determine what is exactly the problem here and what causes
> the -3 error, but this is not the place to perform hw reset and retry to init the
> phy.
> > I agree that may be this is not the correct place for hw reset, can you advice
> about another solution?
> >
> > It works, not only for me, for example it helps here:
> > http://www.linux.org.ru/forum/linux-hardware/10268216
> >
> > Another fact that Windows drivers work fine with the same hw.
> >
> > Denis
> >
> 
> Hi Denis,
> 
> More suitable place to retry init the device would be in probe function.
> However, we haven't seen initialization issues like this on i218.
> 
> Adding Aaron.
> 
> @Aaron - have you seen initialization errors on i218 devices?

I have not.  But I don't have many systems with i218 so all that means is my systems do not exhibit the problem.

> 
> Raanan