linux-kernel - Re: [PATCH v2 06/13] net: phy: nxp-c45-tja11xx: use get

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Date:   Sat, 24 Jun 2023 21:26:32 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     "Radu Pirea (NXP OSS)" <radu-nicolae.pirea@....nxp.com>
Cc:     hkallweit1@...il.com, linux@...linux.org.uk, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        richardcochran@...il.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, sebastian.tobuschat@....com
Subject: Re: [PATCH v2 06/13] net: phy: nxp-c45-tja11xx: use get_features

On Fri, Jun 23, 2023 at 10:41:16AM +0300, Radu Pirea (NXP OSS) wrote:
> PHY_BASIC_T1_FEATURES are not the right features supported by TJA1103
> anymore.
> For example ethtool reports:
> 	[root@...rm ~]# ethtool end0
> 	Settings for end0:
> 	        Supported ports: [ TP ]
> 	        Supported link modes:   100baseT1/Full
> 	                                10baseT1L/Full
> 
> 10baseT1L/Full is not supported by TJA1103 and supported ports list is
> not completed. The PHY also have a MII port.
> 
> genphy_c45_pma_read_abilities implementation can detect the PHY features
> and they look like this.
> [root@...rm ~]# ethtool end0
> Settings for end0:
>         Supported ports: [ TP    MII ]
>         Supported link modes:   100baseT1/Full
>         Supported pause frame use: Symmetric
>         Supports auto-negotiation: No
>         Supported FEC modes: Not reported
>         Advertised link modes:  100baseT1/Full
>         Advertised pause frame use: Symmetric
>         Advertised auto-negotiation: No
>         Advertised FEC modes: Not reported
>         Speed: 100Mb/s
>         Duplex: Full
>         Auto-negotiation: off
>         master-slave cfg: forced master
>         master-slave status: master
>         Port: Twisted Pair
>         PHYAD: 1
>         Transceiver: external
>         MDI-X: Unknown
>         Supports Wake-on: g
>         Wake-on: d
>         Link detected: yes
>         SQI: 7/7
> 
> Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@....nxp.com>

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

    Andrew