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

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Message-ID: <bc64a846d6bae04549c7decb4e036cf10168c72c.camel@siemens.com>
Date:   Tue, 18 Jul 2023 08:24:48 +0000
From:   "Haener, Michael" <michael.haener@...mens.com>
To:     "linux@...linux.org.uk" <linux@...linux.org.uk>
CC:     "andrew@...n.ch" <andrew@...n.ch>,
        "olteanv@...il.com" <olteanv@...il.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "f.fainelli@...il.com" <f.fainelli@...il.com>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "Sverdlin, Alexander" <alexander.sverdlin@...mens.com>,
        "pabeni@...hat.com" <pabeni@...hat.com>
Subject: Re: [PATCH v3 3/3] net: dsa: mv88e632x: Add SERDES ops

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@...mens.com>
> > > 
> > > 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@...mens.com>
> > > ---
> > > 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!
> 
Thank you very much for your feedback.
I can assure you that we are doing our best to test with the latest
kernel. Unfortunately we can't always do this under certain
circumstances (like in this case).