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From: Antoine Tenart <antoine.tenart@free-electrons.com>
To: Florian Fainelli <f.fainelli@gmail.com>
Cc: Antoine Tenart <antoine.tenart@free-electrons.com>,
	davem@davemloft.net, kishon@ti.com, andrew@lunn.ch,
	jason@lakedaemon.net, sebastian.hesselbarth@gmail.com,
	gregory.clement@free-electrons.com,
	thomas.petazzoni@free-electrons.com, nadavh@marvell.com,
	linux@armlinux.org.uk, linux-kernel@vger.kernel.org,
	mw@semihalf.com, stefanc@marvell.com,
	miquel.raynal@free-electrons.com, netdev@vger.kernel.org
Subject: Re: [PATCH net-next v2 08/14] net: mvpp2: check the netif is running in the link_event function
Date: Fri, 25 Aug 2017 19:09:20 +0200	[thread overview]
Message-ID: <20170825170920.GA2568@kwain> (raw)
In-Reply-To: <1faa09d8-305a-f6d2-facf-d28f336c849a@gmail.com>

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Hi Florian,

On Fri, Aug 25, 2017 at 09:49:15AM -0700, Florian Fainelli wrote:
> On 08/25/2017 07:48 AM, Antoine Tenart wrote:
> > This patch adds an extra check when the link_event function is called,
> > so that it won't do anything when the netif isn't running.
> 
> Why is this needed? Are you possibly starting the PHY state machine
> earlier than your ndo_open() call? Looking quickly through the driver
> does not suggest this is going on since you properly connect to the PHY
> in mvpp2_open() and start the PHY there.

I added some checks while working on this, and kept this one. But I
looked at the driver again and I assume you're right and the patch could
be dropped.

Thanks!
Antoine

-- 
Antoine Ténart, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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  reply	other threads:[~2017-08-25 17:09 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-25 14:48 [PATCH net-next v2 00/14] net: mvpp2: comphy configuration Antoine Tenart
2017-08-25 14:48 ` [PATCH net-next v2 01/14] phy: add sgmii and 10gkr modes to the phy_mode enum Antoine Tenart
2017-08-25 14:48 ` [PATCH net-next v2 02/14] phy: add the mvebu cp110 comphy driver Antoine Tenart
2017-08-25 14:48 ` [PATCH net-next v2 03/14] Documentation/bindings: phy: document the Marvell " Antoine Tenart
2017-08-25 14:48 ` [PATCH net-next v2 04/14] net: mvpp2: initialize the comphy Antoine Tenart
2017-08-25 14:48 ` [PATCH net-next v2 05/14] net: mvpp2: do not force the link mode Antoine Tenart
2017-08-25 22:43   ` Russell King - ARM Linux
2017-08-28  6:55     ` Antoine Tenart
2017-08-28  8:38       ` Marcin Wojtas
2017-08-28  8:51         ` Russell King - ARM Linux
2017-08-28  9:40           ` Antoine Tenart
2017-08-28 11:06             ` Russell King - ARM Linux
2017-08-28 11:32               ` Antoine Tenart
2017-08-25 14:48 ` [PATCH net-next v2 06/14] net: mvpp2: simplify the link_event function Antoine Tenart
2017-08-25 14:48 ` [PATCH net-next v2 07/14] net: mvpp2: improve the link management function Antoine Tenart
2017-08-25 14:48 ` [PATCH net-next v2 08/14] net: mvpp2: check the netif is running in the link_event function Antoine Tenart
2017-08-25 16:49   ` Florian Fainelli
2017-08-25 17:09     ` Antoine Tenart [this message]
2017-08-25 14:48 ` [PATCH net-next v2 09/14] net: mvpp2: dynamic reconfiguration of the PHY mode Antoine Tenart
2017-08-25 22:46   ` Russell King - ARM Linux
2017-08-28  6:52     ` Antoine Tenart
2017-08-25 14:48 ` [PATCH net-next v2 10/14] arm64: dts: marvell: extend the cp110 syscon register area length Antoine Tenart
2017-08-25 14:48 ` [PATCH net-next v2 11/14] arm64: dts: marvell: add comphy nodes on cp110 master and slave Antoine Tenart
2017-08-25 14:48 ` [PATCH net-next v2 12/14] arm64: dts: marvell: mcbin: add comphy references to Ethernet ports Antoine Tenart
2017-08-25 14:48 ` [PATCH net-next v2 13/14] arm64: dts: marvell: 7040-db: " Antoine Tenart
2017-08-25 14:48 ` [PATCH net-next v2 14/14] arm64: defconfig: enable Marvell CP110 comphy Antoine Tenart
2017-08-25 15:51 ` [PATCH net-next v2 00/14] net: mvpp2: comphy configuration Andrew Lunn
2017-08-25 15:56   ` Antoine Tenart

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