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From: Russell King - ARM Linux admin <linux@armlinux.org.uk>
To: "Marek Behún" <kabel@kernel.org>
Cc: netdev@vger.kernel.org, davem@davemloft.net,
	Andrew Lunn <andrew@lunn.ch>
Subject: Re: [PATCH net-next 4/5] net: phy: marvell10g: change MACTYPE if underlying MAC does not support it
Date: Thu, 29 Oct 2020 13:21:57 +0000	[thread overview]
Message-ID: <20201029132157.GT1551@shell.armlinux.org.uk> (raw)
In-Reply-To: <20201028221427.22968-5-kabel@kernel.org>

On Wed, Oct 28, 2020 at 11:14:26PM +0100, Marek Behún wrote:
> RollBall SFPs contain a Marvell 88X3310 PHY, but by default the MACTYPE
> is set to 10GBASE-R with Rate Matching.
> 
> Some devices (for example those based on Armada 38x) only support up to
> 2500base-x SerDes modes.
> 
> Change the PHY's MACTYPE to 4 (which means changing between 10gbase-r,
> 5gbase-r, 2500base-x ans SGMII depending on copper speed) if this is the
> case (which is infered from phydev->interface).
> 
> Signed-off-by: Marek Behún <kabel@kernel.org>
> Cc: Andrew Lunn <andrew@lunn.ch>
> Cc: Russell King <rmk+kernel@armlinux.org.uk>

This'll do as a stop-gap until we have a better way to determine which
MACTYPE mode we should be using.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!

  reply	other threads:[~2020-10-29 13:22 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-28 22:14 [PATCH net-next 0/5] Support for RollBall 10G copper SFP modules Marek Behún
2020-10-28 22:14 ` [PATCH net-next 1/5] net: phy: mdio-i2c: support I2C MDIO protocol for RollBall " Marek Behún
2020-10-29 12:41   ` Russell King - ARM Linux admin
2020-10-29 12:54     ` Andrew Lunn
2020-10-29 13:41       ` Russell King - ARM Linux admin
2020-10-29 22:53         ` Jakub Kicinski
2020-10-29 22:55           ` Marek Behún
2020-10-29 16:46     ` Marek Behún
2020-10-28 22:14 ` [PATCH net-next 2/5] net: phylink: allow attaching phy for SFP modules on 802.3z mode Marek Behún
2020-10-29 12:08   ` Russell King - ARM Linux admin
2020-10-28 22:14 ` [PATCH net-next 3/5] net: sfp: configure/destroy I2C mdiobus on transceiver plug/unplug Marek Behún
2020-10-29 13:21   ` Russell King - ARM Linux admin
2020-10-28 22:14 ` [PATCH net-next 4/5] net: phy: marvell10g: change MACTYPE if underlying MAC does not support it Marek Behún
2020-10-29 13:21   ` Russell King - ARM Linux admin [this message]
2020-10-28 22:14 ` [PATCH net-next 5/5] net: sfp: add support for multigig RollBall transceivers Marek Behún
2020-10-29 13:38   ` Russell King - ARM Linux admin
2020-10-29 16:49     ` Marek Behún

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