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From: Arseny Solokha <asolokha@kb•kras.ru>
To: Vladimir Oltean <olteanv@gmail•com>
Cc: Claudiu Manoil <claudiu.manoil@nxp•com>,
	Russell King <linux@armlinux•org.uk>,
	Ioana Ciornei <ioana.ciornei@nxp•com>,
	Andrew Lunn <andrew@lunn•ch>, netdev <netdev@vger•kernel.org>,
	Florian Fainelli <f.fainelli@gmail•com>
Subject: Re: [RFC PATCH 1/2] gianfar: convert to phylink
Date: Wed, 04 Sep 2019 20:53:38 +0700	[thread overview]
Message-ID: <87k1aop3q5.fsf@kb.kras.ru> (raw)
In-Reply-To: CA+h21hpacLmKzoeKrdE-frZSTsiYCi4rKCObJ4LfAmfrCJ6H9g@mail.gmail.com

Hi,


>> @@ -1964,7 +1966,7 @@ void stop_gfar(struct net_device *dev)
>>         /* disable ints and gracefully shut down Rx/Tx DMA */
>>         gfar_halt(priv);
>>
>> -       phy_stop(dev->phydev);
>> +       phylink_stop(priv->phylink);
>>
>>         free_skb_resources(priv);
>>  }
>> @@ -2219,12 +2221,7 @@ int startup_gfar(struct net_device *ndev)
>>         /* Start Rx/Tx DMA and enable the interrupts */
>>         gfar_start(priv);
>>
>> -       /* force link state update after mac reset */
>> -       priv->oldlink = 0;
>> -       priv->oldspeed = 0;
>> -       priv->oldduplex = -1;
>> -
>> -       phy_start(ndev->phydev);
>> +       phylink_start(priv->phylink);
>>
>>         enable_napi(priv);
>>
>> @@ -2593,7 +2590,7 @@ static int gfar_close(struct net_device *dev)
>>         stop_gfar(dev);
>>
>>         /* Disconnect from the PHY */
>> -       phy_disconnect(dev->phydev);
>> +       phylink_disconnect_phy(priv->phylink);
>
> It is very odd to disconnect from the PHY on ndo_close and connect
> back on ndo_open. I don't know of any other driver that does that.
> Can't you change the behavior to simply start and stop phylink here?

I surely can. But I've just looked at xilinx_axienet, mvneta, mvpp2, and stmmac,
and they all call phylink_stop() and phylink_disconnect_phy() in ndo_stop. What
do you think would justify such a change?

  parent reply	other threads:[~2019-09-04 13:59 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-23 15:17 [RFC PATCH 0/2] convert gianfar to phylink Arseny Solokha
2019-07-23 15:17 ` [RFC PATCH 1/2] gianfar: convert " Arseny Solokha
2019-07-23 16:07   ` Claudiu Manoil
2019-07-24  7:36     ` Arseny Solokha
2019-07-24  8:19   ` Russell King - ARM Linux admin
2019-07-29 23:39   ` Vladimir Oltean
2019-07-30 10:23     ` Russell King - ARM Linux admin
2019-08-24 12:49       ` Vladimir Oltean
2019-07-30 14:40     ` Arseny Solokha
2019-08-24 15:21       ` Vladimir Oltean
2019-08-28 15:20         ` Vladimir Oltean
2019-09-04 13:52         ` [PATCH 0/4] gianfar: some assorted cleanup Arseny Solokha
2019-09-04 13:52           ` [PATCH 1/4] gianfar: remove forward declarations Arseny Solokha
2019-09-04 13:52           ` [PATCH 2/4] gianfar: make five functions static Arseny Solokha
2019-09-04 13:52           ` [PATCH 3/4] gianfar: cleanup gianfar.h Arseny Solokha
2019-09-04 13:52           ` [PATCH 4/4] gianfar: use DT more consistently when selecting PHY connection type Arseny Solokha
2019-09-05 10:28           ` [PATCH 0/4] gianfar: some assorted cleanup David Miller
2019-09-05 10:39           ` Vladimir Oltean
2019-09-04 13:54         ` [RFC PATCH 1/2] gianfar: convert to phylink Arseny Solokha
2019-09-04 13:53     ` Arseny Solokha [this message]
2019-07-23 15:17 ` [RFC PATCH 2/2] net: phylink: don't start and stop SGMII PHYs in SFP modules twice Arseny Solokha
2019-07-24  9:01   ` Russell King - ARM Linux admin
2019-07-24 13:31     ` [PATCH v2] " Arseny Solokha
2019-07-24 13:36       ` Andrew Lunn
2019-07-24 13:37       ` Russell King - ARM Linux admin
2019-07-24 21:38       ` David Miller

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