[U-Boot] [PATCH] UEC PHY: Speed up initial PHY neg.

Joakim Tjernlund joakim.tjernlund at transmode.se
Thu Aug 12 16:09:03 CEST 2010


Detlev Zundel <dzu at denx.de> wrote on 2010/08/12 14:58:47:
>
> Hi Jocke,
>
> > Instead of always performing an autoneg, check if the PHY
> > already has a link and if it matches one of the requested
> > modes. Initially only 100MbFD is optimized this way.
>
> Isn't it about time that we think about _not_ stopping the ethernet
> device after every transaction?

Hi Detlev

UEC does this already, my patch was to address the initial delay
you get for the first transaction. Now my PHY based boards gets the link
up just as quick as Fixed PHY for the first transaction.

     Jocke



More information about the U-Boot mailing list