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From: David Miller <davem@davemloft.net>
To: linux@armlinux.org.uk
Cc: andrew@lunn.ch, f.fainelli@gmail.com, hkallweit1@gmail.com,
	netdev@vger.kernel.org
Subject: Re: [PATCH net-next 0/4] Add support for slow-to-probe-PHY copper SFP modules
Date: Wed, 11 Dec 2019 12:46:28 -0800 (PST)	[thread overview]
Message-ID: <20191211.124628.2279173467555176301.davem@davemloft.net> (raw)
In-Reply-To: <20191209141525.GK25745@shell.armlinux.org.uk>

From: Russell King - ARM Linux admin <linux@armlinux.org.uk>
Date: Mon, 9 Dec 2019 14:15:25 +0000

> This series, following on from the previous adding SFP+ copper support,
> adds support for a range of Copper SFP modules, made by a variety of
> companies, all of which have a Marvell 88E1111 PHY on them, but take
> far longer than the Marvell spec'd 15ms to start communicating on the
> I2C bus.
> 
> Researching the Champion One 1000SFPT module reveals that TX_DISABLE is
> routed through a MAX1971 switching regulator and reset IC which adds a
> 175ms delay to releasing the 88E1111 reset.
> 
> It is not known whether other modules use a similar setup, but there
> are a range of modules that are slow for the Marvell PHY to appear.
> 
> This patch series adds support for these modules by repeatedly trying
> to probe the PHY for up to 600ms.

Series applied.

      parent reply	other threads:[~2019-12-11 20:46 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-09 14:15 [PATCH net-next 0/4] Add support for slow-to-probe-PHY copper SFP modules Russell King - ARM Linux admin
2019-12-09 14:15 ` [PATCH net-next 1/4] net: sfp: use a definition for the fault recovery attempts Russell King
2019-12-09 17:43   ` Andrew Lunn
2019-12-09 14:16 ` [PATCH net-next 2/4] net: sfp: rename sm_retries Russell King
2019-12-09 17:44   ` Andrew Lunn
2019-12-09 14:16 ` [PATCH net-next 3/4] net: sfp: error handling for phy probe Russell King
2019-12-09 17:45   ` Andrew Lunn
2019-12-09 14:16 ` [PATCH net-next 4/4] net: sfp: re-attempt probing for phy Russell King
2019-12-09 17:47   ` Andrew Lunn
2019-12-09 22:34 ` [PATCH net-next 0/4] Add support for slow-to-probe-PHY copper SFP modules David Miller
2019-12-09 22:35   ` David Miller
2019-12-09 22:38     ` Russell King - ARM Linux admin
2019-12-09 22:37   ` Russell King - ARM Linux admin
2019-12-11 20:46 ` David Miller [this message]

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