[PATCH net 2/2] net: dsa: mt7530: fix network connectivity with multiple CPU ports

[Arınç ÜNAL]

On 02/05/2023 21:30, Florian Fainelli wrote:
> 
> 
> On 5/1/2023 5:15 AM, arinc9.unal at gmail.com wrote:
>> From: Arınç ÜNAL <arinc.unal at arinc9.com>
>>
>> On mt753x_cpu_port_enable() there's code that enables flooding for the 
>> CPU
>> port only. Since mt753x_cpu_port_enable() runs twice when both CPU ports
>> are enabled, port 6 becomes the only port to forward the frames to. But
>> port 5 is the active port, so no frames received from the user ports will
>> be forwarded to port 5 which breaks network connectivity.
>>
>> Every bit of the BC_FFP, UNM_FFP, and UNU_FFP bits represents a port. Fix
>> this issue by setting the bit that corresponds to the CPU port without
>> overwriting the other bits.
>>
>> Clear the bits beforehand only for the MT7531 switch. According to the
>> documents MT7621 Giga Switch Programming Guide v0.3 and MT7531 Reference
>> Manual for Development Board v1.0, after reset, the BC_FFP, UNM_FFP, and
>> UNU_FFP bits are set to 1 for MT7531, 0 for MT7530.
>>
>> Tested-by: Arınç ÜNAL <arinc.unal at arinc9.com>
> 
> This tag is implied by your Signed-off-by tag. No Fixes tag for this one?

I've put it with v2. Let me send v3 to remove the tested-by and add your 
reviewed-by to the other patch.

Arınç