[PATCH 0/1][SRU][H/OEM-5.13/OEM-5.14/U] UBUNTU: SAUCE: Fix invalid MAC address after hotplug tbt dock

[Aaron Ma]

On 9/12/21 22:56, Timo Aaltonen wrote:
> On 8.9.2021 11.49, Aaron Ma wrote:
>> BugLink: https://bugs.launchpad.net/bugs/1942999
>>
>> SRU justification:
>>
>> [Impact]
>> igc driver can not connect to network after re-plugin thunderbolt dock
>> when
>> MAC passthrough enabled in BIOS.
>>
>> [Fix]
>> Wait for the MAC copy of BIOS when enabled MAC passthrough.
>> Intel engineer wants a different solution and promise to discuss with
>> firmware engineer.
>> Due to the schedule, made this as a short term solution to fix the
>> issue, and wait for the other
>> fix from Intel.
>>
>> [Test]
>> Verified on hardware, after hotplug the thunderbolt cable,
>> Ethernet works fine.
>>
>> [Where problems could occur]
>> It may break the igc driver.
>>
>> Aaron Ma (1):
>>    UBUNTU: SAUCE: igc: wait for the MAC copy when enabled MAC passthrough
>>
>>   drivers/net/ethernet/intel/igc/igc_main.c | 3 +++
>>   1 file changed, 3 insertions(+)
>>
> 
> Should this be for impish (5.13) too?
> 

Yes.

Aaron