linux-kernel - Aw: Re: [PATCH net,v2] net: dsa: mt7530: setup core clock even in TRGMII mode

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Message-ID: <trinity-9ff2d2c2-6be1-415f-bf29-a04849cb74dc-1616158048677@3c-app-gmx-bs45>
Date:   Fri, 19 Mar 2021 13:47:28 +0100
From:   Frank Wunderlich <frank-w@...lic-files.de>
To:     René van Dorst <opensource@...rst.com>,
        Ilya Lipnitskiy <ilya.lipnitskiy@...il.com>
Cc:     Sean Wang <sean.wang@...iatek.com>,
        Landen Chao <Landen.Chao@...iatek.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Russell King <linux@...linux.org.uk>, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        sander@...nheule.net, tsbogend@...ha.franken.de, john@...ozen.org
Subject: Aw: Re: [PATCH net,v2] net: dsa: mt7530: setup core clock even in
 TRGMII mode

Hi René,Ilya

> Gesendet: Freitag, 19. März 2021 um 11:25 Uhr
> Von: "René van Dorst" <opensource@...rst.com>
> Hi Ilya,
> 
> Thanks for fixing this issue.
> 
> I remember that Frank also had an issue with TRGMII on his MT7623 ARM board.
> I never found why it did not work but this may be also fix his issue  
> on the MT7623 devices.
> 
> Added Frank to CC.

thanks for pointing me here. my issue was after getting trgmii working with phylink-patches (5.3) that i only got only 940Mbit over the switch/gmac0 (using multiple clients to one iperf3-server), trgmii afair supports ~2.1 Gbit/s, so nearly twice bandwidth possible in theory. this maybe can clock-related

I'm not sure if it is the same issue ilya fixes here, but i try to test this on my bananapi-r2

regards Frank