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From: Antoine Tenart <antoine.tenart@free-electrons.com>
To: Stefan Chulski <stefanc@marvell.com>
Cc: Antoine Tenart <antoine.tenart@free-electrons.com>,
	Andrew Lunn <andrew@lunn.ch>,
	"davem@davemloft.net" <davem@davemloft.net>,
	"jason@lakedaemon.net" <jason@lakedaemon.net>,
	"gregory.clement@free-electrons.com"
	<gregory.clement@free-electrons.com>,
	"sebastian.hesselbarth@gmail.com"
	<sebastian.hesselbarth@gmail.com>,
	"thomas.petazzoni@free-electrons.com"
	<thomas.petazzoni@free-electrons.com>,
	Nadav Haklai <nadavh@marvell.com>,
	"linux@armlinux.org.uk" <linux@armlinux.org.uk>,
	"mw@semihalf.com" <mw@semihalf.com>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [EXT] Re: [PATCH net-next 10/18] net: mvpp2: use the GoP interrupt for link status changes
Date: Wed, 23 Aug 2017 18:04:44 +0200	[thread overview]
Message-ID: <20170823160444.GC23960@kwain> (raw)
In-Reply-To: <5ebd192c54984b25adda0a294035b1b9@IL-EXCH01.marvell.com>

[-- Attachment #1: Type: text/plain, Size: 1190 bytes --]

On Wed, Aug 23, 2017 at 03:24:55PM +0000, Stefan Chulski wrote:
> > When the cable is connected (there is signal) and the serdes is in sync and AN
> > succeeded.
> > 
> > > With SFF/SFP ports, you generally need a gpio line the fibre module
> > > can use to indicate if it has link. Fixed-phy has such support, and
> > > your link_change function will get called when the link changes.
> > 
> > So that would work when using SFP modules but I wonder if the GoP irq isn't
> > needed when using passive cable, in which case this patch would still be needed
> > (and of course we should support the new Russell phylib capabilities).
> 
> Even if new phylib driver supports passive direct cables connection, 
> GoP IRQ required for SOHO/Peridot external switch support.
> SOHO/Peridot external switch could be connected directly to Serdes line.

So I guess the GoP link irq patches are needed. Should I resend them
then?

We'll have to discuss how to handle fixed-phy vs GoP IRQ, but I guess we
can do this when adding the fixed-phy support later.

Thanks,
Antoine

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

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  reply	other threads:[~2017-08-23 16:04 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-24 13:48 [PATCH net-next 00/18] net: mvpp2: MAC/GoP configuration and optional PHYs Antoine Tenart
2017-07-24 13:48 ` [PATCH net-next 01/18] net: mvpp2: unify register definitions coding style Antoine Tenart
2017-07-24 13:48 ` [PATCH net-next 02/18] net: mvpp2: fix the synchronization module bypass macro name Antoine Tenart
2017-07-24 13:48 ` [PATCH net-next 03/18] net: mvpp2: set the SMI PHY address when connecting to the PHY Antoine Tenart
2017-07-24 16:40   ` Sergei Shtylyov
2017-07-25  8:42     ` Antoine Tenart
2017-07-26 16:08   ` Andrew Lunn
2017-07-28  1:49     ` Antoine Tenart
2017-07-28  4:21       ` Andrew Lunn
2017-08-22 14:41         ` Antoine Tenart
2017-08-22 14:50           ` Andrew Lunn
2017-08-23 10:40         ` [EXT] " Stefan Chulski
2017-08-23 12:34           ` Andrew Lunn
2017-08-23 13:30             ` Stefan Chulski
2017-08-23 13:34               ` Andrew Lunn
2017-07-24 13:48 ` [PATCH net-next 04/18] net: mvpp2: move the mii configuration in the ndo_open path Antoine Tenart
2017-07-26 16:11   ` Andrew Lunn
2017-07-28  1:44     ` Antoine Tenart
2017-07-24 13:48 ` [PATCH net-next 05/18] net: mvpp2: initialize the GMAC when using a port Antoine Tenart
2017-07-26 16:14   ` Andrew Lunn
2017-07-24 13:48 ` [PATCH net-next 06/18] net: mvpp2: initialize the XLG MAC " Antoine Tenart
2017-07-24 13:48 ` [PATCH net-next 07/18] net: mvpp2: initialize the GoP Antoine Tenart
2017-07-26 16:16   ` Andrew Lunn
2017-07-24 13:48 ` [PATCH net-next 08/18] net: mvpp2: make the phy optional Antoine Tenart
2017-07-26 16:20   ` Andrew Lunn
2017-07-28  1:50     ` Antoine Tenart
2017-07-24 13:48 ` [PATCH net-next 09/18] net: mvpp2: use named interrupts Antoine Tenart
2017-07-24 16:49   ` Sergei Shtylyov
2017-07-25  8:45     ` Antoine Tenart
2017-07-24 13:48 ` [PATCH net-next 10/18] net: mvpp2: use the GoP interrupt for link status changes Antoine Tenart
2017-07-24 22:58   ` Marcin Wojtas
2017-07-25  8:47     ` Antoine Tenart
2017-07-25 13:17   ` Thomas Petazzoni
2017-07-26  0:07     ` Antoine Tenart
2017-07-26 16:26   ` Andrew Lunn
2017-07-26 19:38     ` Russell King - ARM Linux
2017-08-23  8:25     ` Antoine Tenart
2017-08-23 15:24       ` [EXT] " Stefan Chulski
2017-08-23 16:04         ` Antoine Tenart [this message]
2017-08-23 21:05           ` Marcin Wojtas
2017-08-24 10:59             ` Antoine Tenart
2017-07-24 13:48 ` [PATCH net-next 11/18] Documentation/bindings: net: marvell-pp2: add the system controller Antoine Tenart
2017-07-24 13:48 ` [PATCH net-next 12/18] Documentation/bindings: net: marvell-pp2: add the interrupt-names Antoine Tenart
2017-07-24 13:48 ` [PATCH net-next 13/18] arm64: dts: marvell: cp110: use named interrupts for the Ethernet ports Antoine Tenart
2017-07-24 13:48 ` [PATCH net-next 14/18] arm64: dts: marvell: cp110: add PPv2 port interrupts Antoine Tenart
2017-07-24 13:48 ` [PATCH net-next 15/18] arm64: dts: marvell: add a reference to the sysctrl syscon in the ppv2 node Antoine Tenart
2017-07-24 13:48 ` [PATCH net-next 16/18] arm64: dts: marvell: mcbin: enable more networking ports Antoine Tenart
2017-07-24 13:48 ` [PATCH net-next 17/18] arm64: dts: marvell: 7040-db: enable the SFP port Antoine Tenart
2017-07-24 13:48 ` [PATCH net-next 18/18] arm64: dts: marvell: 8040-db: enable the SFP ports Antoine Tenart
2017-07-24 23:56 ` [PATCH net-next 00/18] net: mvpp2: MAC/GoP configuration and optional PHYs Marcin Wojtas
2017-07-25  8:48   ` Antoine Tenart
2017-07-25 10:45     ` Marcin Wojtas

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