[U-Boot] net, phy: wrong 1000BASE detection with a lan9303 switch

Wolfgang Denk wd at denx.de
Wed Jul 10 13:15:23 CEST 2013


Dear Heiko,

In message <51DD3D92.8050701 at denx.de> you wrote:
> 
> Would this be an acceptable patch for it:
...
> @@ -300,6 +300,10 @@ int genphy_parse_link(struct phy_device *phydev)
>                           * both PHYs in the link
>                           */
>                          gblpa = phy_read(phydev, MDIO_DEVAD_NONE, MII_STAT1000);
> +                       if (gblpa < 0) {
> +                               printf ("Could not read MII_STAT1000. Ignoring gigabit capability\n");
> +                               gblpa = 0;
> +                       }
>                          gblpa &= phy_read(phydev,
>                                          MDIO_DEVAD_NONE, MII_CTRL1000) << 2;

Well, this other phy_read() probably needs exactly the same error
handling - and I doubt if we should actually try riding the reg when
the first one failed already?

Best regards,

Wolfgang Denk

-- 
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