Re: [PATCH v3 3/3] net: dsa: mv88e632x: Add SERDES ops

[Sverdlin, Alexander]

Hello Russell,

On Tue, 2023-07-18 at 08:48 +0100, Russell King (Oracle) wrote:
> On Tue, Jul 18, 2023 at 08:47:23AM +0100, Russell King (Oracle) wrote:
> > On Tue, Jul 18, 2023 at 08:59:31AM +0200, M. Haener wrote:
> > > From: Michael Haener <michael.haener@xxxxxxxxxxx>
> > > 
> > > The 88e632x family has several SERDES 100/1000 blocks. By adding these
> > > operations, these functionalities can be used.
> > > 
> > > Signed-off-by: Michael Haener <michael.haener@xxxxxxxxxxx>
> > > ---
> > > Changelog:
> > > v3: rebased onto main branch
> > > v2: rebased onto Russell Kings series dsa/88e6xxx/phylink
> > 
> > I think you're missing something - you seem to be adding support to read
> > the statistics from these blocks, but you're not actually driving them
> > at all in terms of reading their status or configuring them.
> > 
> > You need to modify drivers/net/dsa/mv88e6xxx/pcs-6352.c for that.
> 
> ... and this is why you need to be able to test on recent kernels!

are you absolutely sure about it?

mv88e6352_serdes_get_stats() remained in serdes.c after your rework and
as I see it, your rework is about link status, but you didn't touch
registers and statistics.

-- 
Alexander Sverdlin
Siemens AG
www.siemens.com