[PATCH 1/2] powerpc/mpc8572ds: Fix eTSEC is not available on core1 of AMP boot issue

[Scott Wood]

On 07/10/2012 09:07 PM, Jia Hongtao-B38951 wrote:
> 
> 
>> -----Original Message-----
>> From: Wood Scott-B07421
>> Sent: Wednesday, July 11, 2012 2:15 AM
>> To: Jia Hongtao-B38951
>> Cc: linuxppc-dev at lists.ozlabs.org; galak at kernel.crashing.org
>> Subject: Re: [PATCH 1/2] powerpc/mpc8572ds: Fix eTSEC is not available on
>> core1 of AMP boot issue
>>
>> On 07/10/2012 01:08 AM, Jia Hongtao wrote:
>>> The issue log on core1 is:
>>> root at mpc8572ds:~# ifconfig eth0 10.192.208.244
>>> net eth0: could not attach to PHY
>>> SIOCSIFFLAGS: No such device
>>>
>>> To attach PHY node mdio at 24520 should not be disabled in dts of core1.
>>> Because all PHYs are controlled through this node as follows:
>>
>> So you grant it to both partitions?  How do you deal with synchronization?
>>
>> -Scott
> 
> PHY nodes are only used by ethernet. Each ethernet is used by only one partition
> (disabled in the other partition). So I think there is no synchronization issue.

I mean for accessing the MDIO bus.

-Scott