Re: [PATCH net v2] net: dsa: mv88e6xxx: Reset mv88e6393x force WD event bit

[Florian Fainelli]

On 3/31/2023 1:40 AM, Gustav Ekelund wrote:
> From: Gustav Ekelund <gustaek@xxxxxxxx>
>
> The force watchdog event bit is not cleared during SW reset in the
> mv88e6393x switch. This is a different behavior compared to mv886390 which
> clears the force WD event bit as advertised. This causes a force WD event
> to be handled over and over again as the SW reset following the event never
> clears the force WD event bit.
>
> Explicitly clear the watchdog event register to 0 in irq_action when
> handling an event to prevent the switch from sending continuous interrupts.
> Marvell aren't aware of any other stuck bits apart from the force WD
> bit.
>
> Signed-off-by: Gustav Ekelund <gustaek@xxxxxxxx>

Would that deserve:

Fixes: de776d0d316f ("net: dsa: mv88e6xxx: add support for mv88e6393x 
family")

Reviewed-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
--
Florian