linux-kernel - [PATCH v1] net: phy: fix auto-negotiation stall due to unavailable interrupt

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Message-Id: <1492686004-30527-1-git-send-email-al.kochet@gmail.com>
Date:   Thu, 20 Apr 2017 14:00:03 +0300
From:   Alexander Kochetkov <al.kochet@...il.com>
To:     Florian Fainelli <f.fainelli@...il.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
        Roger Quadros <rogerq@...com>,
        Madalin Bucur <madalin.bucur@....com>
Cc:     Alexander Kochetkov <al.kochet@...il.com>
Subject: [PATCH v1] net: phy: fix auto-negotiation stall due to unavailable interrupt

Hello Florian, Roger and Madalin!

This is slightly modified version of previous patch[1].

It take into account that phy_start_aneg() may be called from
differend places not only from PHY state machine. So the patch
use phy_trigger_machine() to schedule link state update
correctly.

I borrow some text from Roger's commit message.

Added 'Cc: stable <stable@...r.kernel.org> tag'
because the problem exist on 4.9 and 4.10 branches.

Don't know what commit brake the code, so I don't add
Fixes tag.

Roger, could you please test this one patch?

Madalin, I found, that you tested Roger’s patch[2] and this
one patch will get upstream instead of patch[2]. Could you
please test it?

Regards,
Alexander.

[1] http://patchwork.ozlabs.org/patch/743773/
[2] https://lkml.org/lkml/2017/3/30/517

Alexander Kochetkov (1):
  net: phy: fix auto-negotiation stall due to unavailable interrupt

 drivers/net/phy/phy.c |   40 ++++++++++++++++++++++++++++++++++++----
 include/linux/phy.h   |    1 +
 2 files changed, 37 insertions(+), 4 deletions(-)

-- 
1.7.9.5