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Date: Fri, 30 Oct 2020 17:14:02 -0700 From: Jakub Kicinski <kuba@...nel.org> To: Robert Hancock <robert.hancock@...ian.com> Cc: andrew@...n.ch, hkallweit1@...il.com, linux@...linux.org.uk, davem@...emloft.net, netdev@...r.kernel.org Subject: Re: [PATCH net-next v5] net: phy: marvell: add special handling of Finisar modules with 88E1111 On Wed, 28 Oct 2020 11:15:40 -0600 Robert Hancock wrote: > The Finisar FCLF8520P2BTL 1000BaseT SFP module uses a Marvel 88E1111 PHY > with a modified PHY ID. Add support for this ID using the 88E1111 > methods. > > By default these modules do not have 1000BaseX auto-negotiation enabled, > which is not generally desirable with Linux networking drivers. Add > handling to enable 1000BaseX auto-negotiation when these modules are > used in 1000BaseX mode. Also, some special handling is required to ensure > that 1000BaseT auto-negotiation is enabled properly when desired. > > Based on existing handling in the AMD xgbe driver and the information in > the Finisar FAQ: > https://www.finisar.com/sites/default/files/resources/an-2036_1000base-t_sfp_faqreve1.pdf > > Signed-off-by: Robert Hancock <robert.hancock@...ian.com> > Reviewed-by: Russell King <rmk+kernel@...linux.org.uk> Applied, thanks!
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