[PATCH] drivers: net: Soft reset felix switch core

[Ramon Fried]

On Sat, Nov 27, 2021 at 5:06 PM Vladimir Oltean <vladimir.oltean at nxp.com> wrote:
>
> On Sat, Nov 27, 2021 at 02:52:35PM +0200, Radu Bulie wrote:
> > It turns out that in custom designs if the system is reset
> > multiple times in conjunction with a slight increase in external
> > temperature, the felix  switch starts to behave in a strange way:
> > packets are no longer received on the ENECT interface connected
> > to the L2switch internal port (the TX side of internal port stops working
> > or the packets do not reach there. It is not very clear where
> > the packets remain blocked. None of the counters points to a disruption
> > in the L2switch)
> > The issue is not reproducible on NXP reference designs.
> >
> > It was observed that by adding the switch core reset, the problem
> > goes aways, even if intensive testing in temperature chambers
> > is applied.
> >
> > The current patch performs soft reset on the switch core to ensure proper
> > operation of the L2switch.
> >
> > Signed-off-by: Radu Bulie <radu-andrei.bulie at nxp.com>
> > ---
>
> Reviewed-by: Vladimir Oltean <vladimir.oltean at nxp.com>
>
> Thanks!
Reviewed-by: Ramon  Fried <rfried.dev at gmail.com>