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From: Florian Fainelli <f.fainelli@gmail.com>
To: David Miller <davem@davemloft.net>, alexandre.belloni@free-electrons.com
Cc: al.kochet@gmail.com, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, sergei.shtylyov@cogentembedded.com,
	rogerq@ti.com, madalin.bucur@nxp.com
Subject: Re: [PATCH v1] net: phy: fix auto-negotiation stall due to unavailable interrupt
Date: Tue, 25 Apr 2017 14:07:28 -0700	[thread overview]
Message-ID: <56206647-5251-9387-b671-f84d6c6a0eb9@gmail.com> (raw)
In-Reply-To: <20170425.162625.941066354018174414.davem@davemloft.net>

On 04/25/2017 01:26 PM, David Miller wrote:
> From: Alexandre Belloni <alexandre.belloni@free-electrons.com>
> Date: Tue, 25 Apr 2017 22:09:11 +0200
> 
>> Hi,
>>
>> On 25/04/2017 at 18:25:30 +0300, Alexander Kochetkov wrote:
>>> Hello David!
>>>
>>>> 25 апр. 2017 г., в 17:36, David Miller <davem@davemloft.net> написал(а):
>>>>
>>>> So... what are we doing here?
>>>>
>>>> My understanding is that this should fix the same problem that commit
>>>> 99f81afc139c6edd14d77a91ee91685a414a1c66 ("phy: micrel: Disable auto
>>>> negotiation on startup") fixed and that this micrel commit should thus
>>>> be reverted to improve MAC startup times which regressed.
>>>>
>>>> Florian, any guidance?
>>>
>>> Yes, this should be done.
>>>
>>> I aksed Alexandre to check if 99f81afc139c6edd14d77a91ee91685a414a1c66 ("phy: micrel: Disable auto
>>> negotiation on startup») can be reverted, and he answered what it may do that
>>> sometime this/next week.
>>>
>>
>> Yes, it can be safely reverted after Alexander's patch. I had to test on
>> v4.7 because we are not using interrupts on those boards since v4.8
>> (another issue to be fixed).
>>
>> As Florian pointed out, at the time I sent my patch, I didn't have time
>> to investigate whether this was affecting other phys, see
>> https://lkml.org/lkml/2016/2/26/766
>>
>> I can send the revert or you can do it.
> 
> I can take care of it, thanks for testing.

Thanks! Can you add the following Fixes tag:

Fixes: 321beec5047a (net: phy: Use interrupts when available in NOLINK
state)

BTW, can you have the netdev patchwork instance automatically accepted
Fixes: tag sent as replies to patches? (just like Acked-by, Reviewed-by
and so on are already accepted)?
-- 
Florian

  reply	other threads:[~2017-04-25 21:07 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-20 11:00 Alexander Kochetkov
2017-04-20 11:00 ` Alexander Kochetkov
2017-04-20 15:33   ` Alexander Kochetkov
2017-04-21 14:18   ` Roger Quadros
2017-04-21 14:42     ` Alexander Kochetkov
2017-04-25 14:36   ` David Miller
2017-04-25 15:25     ` Alexander Kochetkov
2017-04-25 20:09       ` Alexandre Belloni
2017-04-25 20:26         ` David Miller
2017-04-25 21:07           ` Florian Fainelli [this message]
2017-04-26 10:21         ` Alexandre Belloni
2017-04-26 18:36   ` David Miller

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