netdev - Re: [PATCH net-next v4 5/5] net-next: dsa: add dsa support for Mediatek MT7530 switch

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Message-ID: <030c4e95-e604-9864-fce3-9d52561e9a95@gmail.com>
Date:   Fri, 7 Apr 2017 12:45:09 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     sean.wang@...iatek.com, andrew@...n.ch,
        vivien.didelot@...oirfairelinux.com, matthias.bgg@...il.com,
        robh+dt@...nel.org, mark.rutland@....com
Cc:     devicetree@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        davem@...emloft.net, Landen.Chao@...iatek.com, keyhaede@...il.com,
        objelf@...il.com
Subject: Re: [PATCH net-next v4 5/5] net-next: dsa: add dsa support for
 Mediatek MT7530 switch



On 04/07/2017 01:45 AM, sean.wang@...iatek.com wrote:
> From: Sean Wang <sean.wang@...iatek.com>
> 
> MT7530 is a 7-ports Gigabit Ethernet Switch that could be found on
> Mediatek router platforms such as MT7623A or MT7623N platform which
> includes 7-port Gigabit Ethernet MAC and 5-port Gigabit Ethernet PHY.
> Among these ports, The port from 0 to 4 are the user ports connecting
> with the remote devices while the port 5 and 6 are the CPU ports
> connecting into Mediatek Ethernet GMAC.
> 
> For port 6, it can communicate with the CPU via Mediatek Ethernet GMAC
> through either the TRGMII or RGMII which could be controlled by phy-mode
> in the dt-bindings to specify which mode is preferred to use. And for
> port 5, only RGMII can be specified. However, currently, only port 6 is
> being supported in this DSA driver.
> 
> The driver is made with the reference to qca8k and other existing DSA
> driver. The most of the essential callbacks of the DSA are already
> support in the driver, including tag insert for user port distinguishing,
> port control, bridge offloading, STP setup and ethtool operation to allow
> DSA to model each user port into a standalone netdevice as the other DSA
> driver had done.
> 
> Signed-off-by: Sean Wang <sean.wang@...iatek.com>
> Signed-off-by: Landen Chao <Landen.Chao@...iatek.com>

Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian