[PATCH] net phy: poll for a link

[Jean-Christophe PLAGNIOL-VILLARD]

On 21:56 Wed 24 Oct     , Eric Bénard wrote:
> Hi,
> 
> Le Wed, 24 Oct 2012 20:33:59 +0200,
> Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com> a écrit :
> 
> > On 20:06 Wed 24 Oct     , Sascha Hauer wrote:
> > > Since we have phylib we have no instance which polls for a link. This
> > > means that network boot often bails out after a powercycle or phy reset.
> > > This changes the link status behaviour to:
> > > 
> > > - Always check for a link if the last link test was unsuccesful
> > > - If the last check was succesful, check for a link when the last
> > >   check is longer than 5 seconds ago
> > > - Try to get a link for 5 seconds.
> > 5 seconds is too long
> > 
> > and check the link is wrong you need to check the autoneg
> > the link may be down because no cable
> > 
> and the autoneg can have been successful before the cable was
> removed : how to you handle this cas ?
the advertise tell you something change

so you need to restart the autoneg

Best Regards,
J.