linux-kernel - Re: [PATCH v10 2/4] net: phy: Add 5GBASER interface mode

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Message-ID: <20201120005538.GY1804098@lunn.ch>
Date:   Fri, 20 Nov 2020 01:55:38 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Pavana Sharma <pavana.sharma@...i.com>
Cc:     lkp@...el.com, ashkan.boldaji@...i.com,
        clang-built-linux@...glegroups.com, davem@...emloft.net,
        f.fainelli@...il.com, gregkh@...uxfoundation.org,
        kbuild-all@...ts.01.org, kuba@...nel.org,
        linux-kernel@...r.kernel.org, marek.behun@....cz,
        netdev@...r.kernel.org, robh+dt@...nel.org,
        devicetree@...r.kernel.org, vivien.didelot@...il.com
Subject: Re: [PATCH v10 2/4] net: phy: Add 5GBASER interface mode

On Fri, Nov 20, 2020 at 10:25:33AM +1000, Pavana Sharma wrote:
> Add 5GBASE-R phy interface mode
> 
> Signed-off-by: Pavana Sharma <pavana.sharma@...i.com>
> ---
>  include/linux/phy.h | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/include/linux/phy.h b/include/linux/phy.h
> index eb3cb1a98b45..71e280059ec5 100644
> --- a/include/linux/phy.h
> +++ b/include/linux/phy.h
> @@ -106,6 +106,7 @@ extern const int phy_10gbit_features_array[1];
>   * @PHY_INTERFACE_MODE_TRGMII: Turbo RGMII
>   * @PHY_INTERFACE_MODE_1000BASEX: 1000 BaseX
>   * @PHY_INTERFACE_MODE_2500BASEX: 2500 BaseX
> + * @PHY_INTERFACE_MODE_5GBASER: 5G BaseR
>   * @PHY_INTERFACE_MODE_RXAUI: Reduced XAUI
>   * @PHY_INTERFACE_MODE_XAUI: 10 Gigabit Attachment Unit Interface
>   * @PHY_INTERFACE_MODE_10GBASER: 10G BaseR
> @@ -137,6 +138,8 @@ typedef enum {
>  	PHY_INTERFACE_MODE_TRGMII,
>  	PHY_INTERFACE_MODE_1000BASEX,
>  	PHY_INTERFACE_MODE_2500BASEX,
> +	/* 5GBASE-R mode */
> +	PHY_INTERFACE_MODE_5GBASER,


Again, what is the value of the comment? 10GBASE-R has a comment
because it is different from the rest, XFI and SFI caused a of
discussion, and it was used wrong. But there does not seem to be
anything special for 5GBASE-R.

	 Andrew