[U-Boot] [PATCH v4 2/5] net: mvpp2: mark phy as invalid in case of missing appropriate driver

[Joe Hershberger]

On Thu, Aug 15, 2019 at 5:09 PM <nhed+uboot at starry.com> wrote:
>
> From: Grzegorz Jaszczyk <jaz at semihalf.com>
>
> If the phy doesn't match with any existing u-boot drivers, the phy
> framework will connect it to the generic one which uid ==
> 0xffffffff. In this case, act as if the phy wouldn't be declared in
> dts. Otherwise, in case of 3310 (for which the driver doesn't exist)
> the link is marked as always down. Removing phy entry from dts in case
> of 3310 is not a good option because it is required for the
> phy_fw_down procedure.
>
> This patch fixes the issue with the link always down on MCBIN board.
>
> nhed: added NULL deref test.
>
> Signed-off-by: Grzegorz Jaszczyk <jaz at semihalf.com>
> Reviewed-by: Igal Liberman <igall at marvell.com>
> Tested-by: Igal Liberman <igall at marvell.com>
> Signed-off-by: Nevo Hed <nhed+github at starry.com>

Acked-by: Joe Hershberger <joe.hershberger at ni.com>