On Fri, Feb 19, 2016 at 5:52 AM, Alison Wang <b18...@freescale.com> wrote: > In commit <a058052c358c> [net: phy: do not read configuration register on > reset], phy_reset() will clear the BMCR register. Bit 12(AUTO_NEGOTIATION) > is cleared too. It causes auto-negotiation timeout error on Atheros's > PHY AR8033. > > To fix this problem, genphy_config_aneg() and genphy_restart_aneg() > needs to be called in ar8035_config() to enable and restart > auto-negotiation.
It is always a good idea to put the author of the offending patch on Cc. Added Stefan. > > Signed-off-by: Alison Wang <alison.w...@nxp.com> > --- > drivers/net/phy/atheros.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/net/phy/atheros.c b/drivers/net/phy/atheros.c > index ba57b1a..e57c412 100644 > --- a/drivers/net/phy/atheros.c > +++ b/drivers/net/phy/atheros.c > @@ -33,6 +33,9 @@ static int ar8035_config(struct phy_device *phydev) > > phydev->supported = phydev->drv->features; > > + genphy_config_aneg(phydev); > + genphy_restart_aneg(phydev); > + > return 0; > } > > -- > 2.1.0.27.g96db324 > > _______________________________________________ > U-Boot mailing list > U-Boot@lists.denx.de > http://lists.denx.de/mailman/listinfo/u-boot _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
