netdev - Re: [PATCH v11 2/4] net: phy: Add 5GBASER interface mode

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Message-ID: <20201209231812.GG2649111@lunn.ch>
Date:   Thu, 10 Dec 2020 00:18:12 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Pavana Sharma <pavana.sharma@...i.com>
Cc:     ashkan.boldaji@...i.com, clang-built-linux@...glegroups.com,
        davem@...emloft.net, devicetree@...r.kernel.org,
        f.fainelli@...il.com, gregkh@...uxfoundation.org,
        kbuild-all@...ts.01.org, kuba@...nel.org,
        linux-kernel@...r.kernel.org, lkp@...el.com, marek.behun@....cz,
        netdev@...r.kernel.org, robh+dt@...nel.org,
        vivien.didelot@...il.com
Subject: Re: [PATCH v11 2/4] net: phy: Add 5GBASER interface mode

On Wed, Dec 09, 2020 at 03:04:23PM +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 56563e5e0dc7..8151e6ecf1b9 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,
>  	PHY_INTERFACE_MODE_RXAUI,
>  	PHY_INTERFACE_MODE_XAUI,

For v10 i said:

> 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.

Please don't ignore comments. If you don't understand, please ask. If
you think the comments are wrong, please explain why, so we can
discuss it.

	Andrew