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Message-ID: <BN8PR12MB3266678A3ABD0EBF429C9766D3C40@BN8PR12MB3266.namprd12.prod.outlook.com>
Date:   Mon, 22 Jul 2019 13:58:20 +0000
From:   Jose Abreu <Jose.Abreu@...opsys.com>
To:     Andrew Lunn <andrew@...n.ch>, Jose Abreu <Jose.Abreu@...opsys.com>
CC:     Ondřej Jirman <megi@....cz>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Joao Pinto <Joao.Pinto@...opsys.com>,
        "David S . Miller" <davem@...emloft.net>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Russell King <linux@...linux.org.uk>,
        "Florian Fainelli" <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>
Subject: RE: [PATCH net-next 0/3] net: stmmac: Convert to phylink

From: Andrew Lunn <andrew@...n.ch>
Date: Jul/22/2019, 14:40:23 (UTC+00:00)

> Does this mean that all stmmac variants support 1G? There are none
> which just support Fast Ethernet?

This glue logic drivers sometimes reflect a custom IP that's Synopsys 
based but modified by customer, so I can't know before-hand what's the 
supported max speed. There are some old versions that don't support 1G 
but I expect that PHY driver limits this ...

> I'm also not sure the change fits the problem. Why did it not
> negotiate 100FULL rather than 10Half? You are only moving the 1G
> speeds around, so 100 speeds should of been advertised and selected.

Hmm, now that I'm looking at it closer I agree with you. Maybe link 
partner or PHY doesn't support 100M ?

It's working for Ondrej but I got curious now ...

---
Thanks,
Jose Miguel Abreu

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