netdev - RE: DSA support for Micrel KSZ8895

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Message-ID: <9235D6609DB808459E95D78E17F2E43D40AFF8C1@CHN-SV-EXMX02.mchp-main.com>
Date:   Wed, 16 Aug 2017 14:25:36 +0000
From:   <Woojung.Huh@...rochip.com>
To:     <pavel@...x.de>
CC:     <vivien.didelot@...oirfairelinux.com>, <f.fainelli@...il.com>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <Tristram.Ha@...rel.com>, <andrew@...n.ch>
Subject: RE: DSA support for Micrel KSZ8895

> > Hi!
> >
> > I've got hardware with KSZ8895, and I'd like to use switch ports as
> > separate ethernet cards. I believe that means DSA support.
> >
> > And there are even patches available from microchip... unfortunately
> > they are in strange form and for v3.18.
> >
> >
> http://www.microchip.com/SWLibraryWeb/product.aspx?product=KSZ8895
> %20Software%20Linux%203.18
> >
> > Is there newer version of the driver available somewhere? Is the
> > driver good starting point, or should I start with something else?
> 
> Hi Pavel
> 
> Woojung is the expert here. His DSA driver for the 9477 is a nice
> clean driver.
> 
> Have you compared the 8895 to the 9477. Are they similar? Could the
> existing 9477 be extended to support the 8895?
> 
> 	 Andrew

Hi Pavel,

I'll forward your email to our support.
AFAIK, KSZ8895 has different register mapping from KSZ9477,
it will be more than ID changes in current driver.

Thanks.
Woojung