netdev - Re: [net] net: phy: mscc: adjust the phy support for PTP and MACsec

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Date:   Wed, 11 Nov 2020 15:01:14 +0100
From:   Antoine Tenart <atenart@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Andrew Lunn <andrew@...n.ch>,
        Bryan Whitehead <Bryan.Whitehead@...rochip.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Quentin Schulz <quentin.schulz@...tlin.com>,
        Russell King <linux@...linux.org.uk>,
        Steen Hegelund <steen.hegelund@...rochip.com>
Cc:     Steen Hegelund <steen.hegelund@...rochip.com>,
        Microchip UNG Driver List <UNGLinuxDriver@...rochip.com>,
        John Haechten <John.Haechten@...rochip.com>,
        Netdev List <netdev@...r.kernel.org>,
        Linux Kernel List <linux-kernel@...r.kernel.org>
Subject: Re: [net] net: phy: mscc: adjust the phy support for PTP and MACsec

Hi Steen!

Either this is a fix and it would need a Fixes: tag in addition to the
Signed-off-by: one (you can have a look at the git history to see what
is the format); or the patch is not a fix and then it should have
[net-next] in its subject instead of [net].

Please have a look at the relevant documentation,
https://www.kernel.org/doc/html/latest/networking/netdev-FAQ.html

Thanks!
Antoine

Quoting Steen Hegelund (2020-11-11 10:55:11)
> The MSCC PHYs selected for PTP and MACSec was not correct
> 
> - PTP
>     - Add VSC8572 and VSC8574
> 
> - MACsec
>     - Removed VSC8575
> 
> The relevant datasheets can be found here:
>   - VSC8572: https://www.microchip.com/wwwproducts/en/VSC8572
>   - VSC8574: https://www.microchip.com/wwwproducts/en/VSC8574
>   - VSC8575: https://www.microchip.com/wwwproducts/en/VSC8575
> 
> Signed-off-by: Steen Hegelund <steen.hegelund@...rochip.com>
> ---
>  drivers/net/phy/mscc/mscc_macsec.c | 1 -
>  drivers/net/phy/mscc/mscc_ptp.c    | 2 ++
>  2 files changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/phy/mscc/mscc_macsec.c b/drivers/net/phy/mscc/mscc_macsec.c
> index 1d4c012194e9..72292bf6c51c 100644
> --- a/drivers/net/phy/mscc/mscc_macsec.c
> +++ b/drivers/net/phy/mscc/mscc_macsec.c
> @@ -981,7 +981,6 @@ int vsc8584_macsec_init(struct phy_device *phydev)
> 
>         switch (phydev->phy_id & phydev->drv->phy_id_mask) {
>         case PHY_ID_VSC856X:
> -       case PHY_ID_VSC8575:
>         case PHY_ID_VSC8582:
>         case PHY_ID_VSC8584:
>                 INIT_LIST_HEAD(&vsc8531->macsec_flows);
> diff --git a/drivers/net/phy/mscc/mscc_ptp.c b/drivers/net/phy/mscc/mscc_ptp.c
> index b97ee79f3cdf..f0537299c441 100644
> --- a/drivers/net/phy/mscc/mscc_ptp.c
> +++ b/drivers/net/phy/mscc/mscc_ptp.c
> @@ -1510,6 +1510,8 @@ void vsc8584_config_ts_intr(struct phy_device *phydev)
>  int vsc8584_ptp_init(struct phy_device *phydev)
>  {
>         switch (phydev->phy_id & phydev->drv->phy_id_mask) {
> +       case PHY_ID_VSC8572:
> +       case PHY_ID_VSC8574:
>         case PHY_ID_VSC8575:
>         case PHY_ID_VSC8582:
>         case PHY_ID_VSC8584:
> --
> 2.29.2
>