[OpenWrt-Devel] ramips/mt7621 after 5.4 switch

[Andre Valentin]

Am 07.04.20 um 12:16 schrieb Chuanhong Guo:
> [CC Sergio who worked on upstream PCIE driver]
> 
> On Tue, Apr 7, 2020 at 4:45 PM Andre Valentin <avalentin at marcant.net> wrote:
>>
>> Hi!
>>
>> Currently I'm having some serious problems with the new 5.4 port.
>> 1) PCIe
>> I'm developing on the ZyXEL LTE3301-PLUS. It has PCIe and a mt7615e connected to second bus on the first phy.
>> If booting the device, kernel hangs with a RST message, telling the device is not detected. It seems the PCIe bus 1
>> cannot be reseted because nothing is connected to bus 0.
>> An upport of the old PCI driver reenables the function. I can provide more logs on this if needed.
> 
> Hi Sergio:
> You may want to look into this.
> 
>> 2) DSA
>> These are my first experiments with DSA. I've configured 2 bridges:
>> lan: lan1 lan2 lan3 lan4
>> dmz: lan1.20 lan2.20 lan3.20 lan4.20
>>
>> Inbound traffic on vlan 20 is comming in, outgoing traffic passes the lan1 port but does note arrive at the other end.
>>
>> Should this work with DSA on mediathek?
> 
> It's supposed to work so this may be yet another bug upstream.
> 
>> If not, I can offer that I write a patch for traditional swconfig.
> 
> swconfig is considered deprecated so there's no need to do so.
> In fact, this driver under mediatek target also works for mt7621:
> target/linux/mediatek/files-5.4/drivers/net/phy/mtk/mt753x
> 

I already took some patches from there. I'll gonna check if a replacement makes a difference.

Kind regards,

André

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