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Message-ID: <56335a76-7f71-4c70-9c4b-b7494009fa63@lunn.ch>
Date: Tue, 30 Jul 2024 01:10:55 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Pawel Dembicki <paweldembicki@...il.com>
Cc: netdev@...r.kernel.org, Florian Fainelli <f.fainelli@...il.com>,
	Vladimir Oltean <olteanv@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	Linus Walleij <linus.walleij@...aro.org>,
	"Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 6/9] net: dsa: vsc73xx: speed up mdio bus to max
 allowed value

On Mon, Jul 29, 2024 at 11:06:12PM +0200, Pawel Dembicki wrote:
> According the datasheet, vsc73xx family max internal mdio bus speed is
> 20MHz. It also allow to disable preamble.
> 
> This commit sets mdio clock prescaler to minimal value and crop preamble
> to speed up mdio operations.

Just checking...

This has no effect on the external MDIO bus, correct. It has its own
set of registers for the divider and to crop the preamble.

    Andrew

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