Hi Randy, Sorry for the delay. On Wed, Feb 13, 2019 at 08:00:29PM -0800, Randy Dunlap wrote: > On 2/5/19 7:58 AM, Russell King wrote: > > +uses in-band mode, where results from the PHYs negotiation are passed > > PHY's ... > > + Manipulation of the PHY's supported/advertised happens within phylink > > PHYs Either one way or the other. "negotiation of the PHY", "supported/ advertised (link modes) of the PHY". Both are posessive, so the first is a mistake but I don't agree with removing the posessive apostrophy in the second case. > > +For information describing the SFP cage in DT, please see the binding > > +documentation in the kernel source tree > > +``Documentation/devicetree/bindings/net/sff,sfp.txt`` > oh, so SFP means "Small Form-factor Pluggable". > > I see that this source file: > ./drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c:1902: > > seems to imply that SFP means "single function per port (SFP) mode": > > dev_err(&pf->pdev->dev, > "VF %d requested polling mode: this feature is supported only when the device is running in single function per port (SFP) mode\n", > vf->vf_id); Software engineers endlessly like to create TLAs, so it could mean both, but in this case it's the official definition from the SFF/ SNIA documents, e.g.: INF-8074i Specification for SFP (Small Formfactor Pluggable) Transceiver note, no hyphen! -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up According to speedtest.net: 11.9Mbps down 500kbps up