On Fri, Mar 12, 2021 at 11:23:56AM +0100, Ahmad Fatoum wrote:
>
>
> On 12.03.21 11:13, Sascha Hauer wrote:
> > phydev->adjust_link() is called only from phy_update_status() when the
> > link status changes during that function. phydev->link is also updated
> > in genphy_update_link() called from phy_wait_aneg_done(), so it can
> > happen that phydev->link changes outside of phy_update_status(), thus
> > phydev->adjust_link is never called and no link change notice is
> > printed.
> >
> > Instead of calling genphy_update_link() from phy_wait_aneg_done(), call
> > phy_update_status(). This makes sure that a link change is properly
> > noticed.
> >
>
> Fixes: 8f75aa496dcb ("net: reply to ping requests")
>
> Isn't it?
8f75aa496dcb Isn't exactly broken, it just triggers a problem on this
particular board. It might be confusing to add a fixes tag here.
Sascha
>
> > Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> > ---
> > drivers/net/phy/phy.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
> > index 622acbe40d..e8e8dad5bd 100644
> > --- a/drivers/net/phy/phy.c
> > +++ b/drivers/net/phy/phy.c
> > @@ -571,7 +571,7 @@ int phy_wait_aneg_done(struct phy_device *phydev)
> > }
> >
> > do {
> > - genphy_update_link(phydev);
> > + phy_update_status(phydev);
> > if (phydev->link == 1)
> > return 0;
> > } while (!is_timeout(start, PHY_AN_TIMEOUT * SECOND));
> >
>
> --
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> Steuerwalder Str. 21 | http://www.pengutronix.de/ |
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>
--
Pengutronix e.K. | |
Steuerwalder Str. 21 | http://www.pengutronix.de/ |
31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
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