[PATCH] net phy: poll for a link
Eric Bénard
eric at eukrea.com
Wed Oct 24 15:56:49 EDT 2012
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 ?
Eric
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