[PATCH v2 1/2] bcm53xx: remove extsw interface on Linksys EA9500

[Arınç ÜNAL]

On 24/10/2021 00:14, Rafał Miłecki wrote:
> On 2021-10-23 23:09, Arınç ÜNAL wrote:
>> On 23/10/2021 23:35, Rafał Miłecki wrote:
>>> On 2021-10-23 21:56, Arınç ÜNAL wrote:
>>>> Remove extsw interface from the bridge as it's used as a master
>>>> interface by the DSA driver.
>>>
>>> According to Vivek it's required, I explicitly asked about it:
>>> https://forum.openwrt.org/t/build-for-linksys-ea9500/1817/984
>>
>> I suspect the reason for this happening is:
>>> # For kernels earlier than v5.12, the master interface needs to be
>>> # brought up manually before the slave 
>>> ports.https://www.kernel.org/doc/html/latest/networking/dsa/configuration.html#configuration-with-tagging-support 
>>>
>>
>> I have a branch running kernel 5.15 on bcm53xx on Asus RT-AC88U. All
>> interfaces work fine without adding extsw to the bridge.
>> https://github.com/arinc9/openwrt/commit/26019530962967079c3772dc3a2ee57b68662bab 
>>
>>
>> A fix should be implemented in a different way than including the
>> extsw interface on the bridge (an initscript would do).
> 
> I think we have backported related commit, unless it's a different one.
> 
> See commit 2e17c710954b ("kernel: Backport patch to automatically bring 
> up DSA master when opening user port")
> 
> I prefer the right fix of course, but you need to point me to it first :)

I'm going to investigate further with Vivek. Should I send the second 
patch in the series as a single one?