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Date:   Sun, 25 Oct 2020 14:25:28 -0700
From:   Jakub Kicinski <>
To:     Parshuram Thombare <>
Cc:     <>, <>,
        <>, <>,
        <>, <>,
Subject: Re: [PATCH v5] net: macb: add support for high speed interface

On Sat, 24 Oct 2020 13:18:09 +0200 Parshuram Thombare wrote:
> This patch adds support for 10GBASE-R interface to the linux driver for
> Cadence's ethernet controller.
> This controller has separate MAC's and PCS'es for low and high speed paths.
> High speed PCS supports 100M, 1G, 2.5G, 5G and 10G through rate adaptation
> implementation. However, since it doesn't support auto negotiation, linux
> driver is modified to support 10GBASE-R instead of USXGMII. 
> Signed-off-by: Parshuram Thombare <>
> ---
> Changes between v4 and v5:
> 1. Correctly programming MAC bits mac_config.
> Changes between v3 and v4:
> 1. Adapted new phylink pcs_ops for low speed PCS.
> 2. Moved high speed MAC configuration from pcs_config
>    to mac_config.
> Changes between v2 and v3:
> 1. Replace USXGMII interface by 10GBASE-R interface.
> 2. Adapted new phylink pcs_ops for high speed PCS.
> 3. Added pcs_get_state for high speed PCS.

# Form letter - net-next is closed

We have already sent a pull request for 5.10 and therefore net-next 
is closed for new drivers, features, and code refactoring.

Please repost when net-next reopens after 5.10-rc1 is cut.

( will not be up to date 
 this time around, sorry about that).

RFC patches sent for review only are obviously welcome at any time.

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