[PATCH] net phy: poll for a link

[Jean-Christophe PLAGNIOL-VILLARD]

On 11:05 Thu 25 Oct     , Eric Bénard wrote:
> Le Thu, 25 Oct 2012 10:49:02 +0200,
> Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com> a écrit :
> 
> > 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
> > 
> so I don't really understand why you don't want to use the link
> information which seems to be the first thing to do before trying to
> launch an autoneg but why not, let see the patches when they come.
because if the link is down and the have no advertise meens the phy is really
down and no need to wait

Best Regards,
J.