netdev - Re: [PATCH] e100: fix typo in MDI/MDI-X eeprom check in e100_phy

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Message-ID: <20141114175828.GD1893@tuxdriver.com>
Date:	Fri, 14 Nov 2014 12:58:28 -0500
From:	"John W. Linville" <linville@...driver.com>
To:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Cc:	netdev <netdev@...r.kernel.org>, Dave Miller <davem@...emloft.net>,
	Auke Kok <auke-jan.h.kok@...el.com>,
	Malli Chilakala <mallikarjuna.chilakala@...el.com>
Subject: Re: [PATCH] e100: fix typo in MDI/MDI-X eeprom check in e100_phy_init

On Fri, Nov 14, 2014 at 09:17:39AM -0800, Jeff Kirsher wrote:
> On Fri, Nov 14, 2014 at 7:59 AM, John W. Linville
> <linville@...driver.com> wrote:
> > Although it doesn't explicitly say so, commit 60ffa478759f39a2 ("e100:
> > Fix MDIO/MDIO-X") appears to be intended to revert the earlier commit
> > 648951451e6d2d53 ("e100: fixed e100 MDI/MDI-X issues").  However,
> > careful examination reveals that the attempted revert actually
> > _inverted_ the test for eeprom_mdix_enabled.  That is bound to program
> > a few PHYs incorrectly...
> >
> > https://bugzilla.redhat.com/show_bug.cgi?id=1156417
> >
> > Signed-off-by: John W. Linville <linville@...driver.com>
> > Cc: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
> > Cc: Auke Kok <auke-jan.h.kok@...el.com>
> > Cc: Malli Chilakala <mallikarjuna.chilakala@...el.com>
> > ---
> > Wow, an 8 year old bug in e100 -- woohoo!! :-)
> >
> > This was causing some serious flakiness for a large cash register
> > deployment in Europe.  Testing with this one-line (really,
> > one-character) patch seems to have resolved the issue.
> >
> >  drivers/net/ethernet/intel/e100.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> Weird, I did not get this mail.  Anyway, thanks John, I have added
> your patch to my queue.

I got a "no such address" bounce on all the @intel.com addresses,
but they all seem OK to me -- not sure what the issue is...?

Anyway, glad you got it! :-)

John
-- 
John W. Linville		Someday the world will need a hero, and you
linville@...driver.com			might be all we have.  Be ready.
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