[PATCH] net: mv643xx_eth: Add missing phy_addr_set in DT mode

Sebastian Hesselbarth sebastian.hesselbarth at gmail.com
Wed Nov 6 09:17:38 EST 2013


On 11/05/2013 11:12 PM, Arnaud Ebalard wrote:
> Hi Jason,
>
> Jason Gunthorpe <jgunthorpe at obsidianresearch.com> writes:
>
>> Commit cc9d4598 'net: mv643xx_eth: use of_phy_connect if phy_node
>> present' made the call to phy_scan optional, if the DT has a link to
>> the phy node.
>>
>> However phy_scan has the side effect of calling phy_addr_set, which
>> writes the phy MDIO address to the ethernet controller. If phy_addr_set
>> is not called, and the bootloader has not set the correct address then
>> the driver will fail to function.
>
> Thanks *a lot* for fixing this one! I had the issue on my ReadyNAS 102
> (Armada 370 based) which I had put on a todo list and temporarily

Erm, just to make sure: Armada 370 isn't using mv643xx_eth but mvneta,
are you sure it is (was) related to Jason's fix?

Sebastian

> workarounded by including a 'ping whatever' call in my u-boot env in
> order to force it to do the init. Without it, I was unable to properly
> use the interface. With your fix, after multiple reboots to test it,
> everything works as expected. So, FWIW:
>
> Tested-by: Arnaud Ebalard <arno at natisbad.org>



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