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From: Andrew Lunn <andrew@lunn.ch>
To: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Heiner Kallweit <hkallweit1@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	netdev@vger.kernel.org, Jakub Kicinski <kuba@kernel.org>
Subject: Re: [PATCH net-next] net: phy: ar803x: disable extended next page bit
Date: Thu, 14 Jan 2021 23:49:02 +0100	[thread overview]
Message-ID: <YADKXlEvv632wKlQ@lunn.ch> (raw)
In-Reply-To: <E1kzSdb-000417-FJ@rmk-PC.armlinux.org.uk>

On Tue, Jan 12, 2021 at 10:59:43PM +0000, Russell King wrote:
> This bit is enabled by default and advertises support for extended
> next page support.  XNP is only needed for 10GBase-T and MultiGig
> support which is not supported. Additionally, Cisco MultiGig switches
> will read this bit and attempt 10Gb negotiation even though Next Page
> support is disabled. This will cause timeouts when the interface is
> forced to 100Mbps and auto-negotiation will fail. The interfaces are
> only 1000Base-T and supporting auto-negotiation for this only requires
> the Next Page bit to be set.
> 
> Taken from:
> https://github.com/SolidRun/linux-stable/commit/7406c5244b7ea6bc17a2afe8568277a8c4b126a9
> and adapted to mainline kernels by rmk.
> 
> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>

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

    Andrew

  reply	other threads:[~2021-01-14 22:50 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-12 22:59 [PATCH net-next] net: phy: ar803x: disable extended next page bit Russell King
2021-01-14 22:49 ` Andrew Lunn [this message]
2021-01-14 23:37   ` Jakub Kicinski

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