linux-kernel - Re: [RFC PATCH 3/5] net: dsa: prepare mv88e6xxx_g1_atu

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Message-ID: <20190501202259.GD19809@lunn.ch>
Date:   Wed, 1 May 2019 22:22:59 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Rasmus Villemoes <rasmus.villemoes@...vas.dk>
Cc:     Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>,
        Rasmus Villemoes <Rasmus.Villemoes@...vas.se>
Subject: Re: [RFC PATCH 3/5] net: dsa: prepare mv88e6xxx_g1_atu_op() for the
 mv88e6250

On Wed, May 01, 2019 at 07:32:12PM +0000, Rasmus Villemoes wrote:
> All the currently supported chips have .num_databases either 256 or
> 4096, so this patch does not change behaviour for any of those. The
> mv88e6250, however, has .num_databases == 64, and it does not put the
> upper two bits in ATU control 13:12, but rather in ATU Operation
> 9:8. So change the logic to prepare for supporting mv88e6250.
> 
> Signed-off-by: Rasmus Villemoes <rasmus.villemoes@...vas.dk>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew