netdev - Re: linux-next: manual merge of the net-next tree with the net tree

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Date:   Fri, 11 Sep 2020 11:18:35 +0100
From:   Paul Barker <pbarker@...sulko.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     David Miller <davem@...emloft.net>,
        Networking <netdev@...r.kernel.org>,
        Helmut Grohne <helmut.grohne@...enta.de>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: manual merge of the net-next tree with the net tree

On Fri, 11 Sep 2020 at 02:17, Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Hi all,
>
> Today's linux-next merge of the net-next tree got a conflict in:
>
>   drivers/net/dsa/microchip/ksz9477.c
>
> between commit:
>
>   edecfa98f602 ("net: dsa: microchip: look for phy-mode in port nodes")
>
> from the net tree and commit:
>
>   805a7e6f5388 ("net: dsa: microchip: Improve phy mode message")
>
> from the net-next tree.
>
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging.  You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.
>
> --
> Cheers,
> Stephen Rothwell
>
> diff --cc drivers/net/dsa/microchip/ksz9477.c
> index 2f5506ac7d19,b62dd64470a8..000000000000
> --- a/drivers/net/dsa/microchip/ksz9477.c
> +++ b/drivers/net/dsa/microchip/ksz9477.c
> @@@ -1229,12 -1229,15 +1229,15 @@@ static void ksz9477_port_setup(struct k
>                         ksz9477_set_gbit(dev, true, &data8);
>                         data8 &= ~PORT_RGMII_ID_IG_ENABLE;
>                         data8 &= ~PORT_RGMII_ID_EG_ENABLE;
>  -                      if (dev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
>  -                          dev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
>  +                      if (p->interface == PHY_INTERFACE_MODE_RGMII_ID ||
>  +                          p->interface == PHY_INTERFACE_MODE_RGMII_RXID)
>                                 data8 |= PORT_RGMII_ID_IG_ENABLE;
>  -                      if (dev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
>  -                          dev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
>  +                      if (p->interface == PHY_INTERFACE_MODE_RGMII_ID ||
>  +                          p->interface == PHY_INTERFACE_MODE_RGMII_TXID)
>                                 data8 |= PORT_RGMII_ID_EG_ENABLE;
> +                       /* On KSZ9893, disable RGMII in-band status support */
> +                       if (dev->features & IS_9893)
> +                               data8 &= ~PORT_MII_MAC_MODE;
>                         p->phydev.speed = SPEED_1000;
>                         break;
>                 }
> @@@ -1276,22 -1280,21 +1281,30 @@@ static void ksz9477_config_cpu_port(str
>                          * note the difference to help debugging.
>                          */
>                         interface = ksz9477_get_interface(dev, i);
>  -                      if (!dev->interface)
>  -                              dev->interface = interface;
>  -                      if (interface && interface != dev->interface) {
>  +                      if (!p->interface) {
>  +                              if (dev->compat_interface) {
>  +                                      dev_warn(dev->dev,
>  +                                               "Using legacy switch \"phy-mode\" property, because it is missing on port %d node. "
>  +                                               "Please update your device tree.\n",
>  +                                               i);
>  +                                      p->interface = dev->compat_interface;
>  +                              } else {
>  +                                      p->interface = interface;
>  +                              }
>  +                      }
> -                       if (interface && interface != p->interface)
> -                               dev_info(dev->dev,
> -                                        "use %s instead of %s\n",
> -                                         phy_modes(p->interface),
> -                                         phy_modes(interface));
> ++                      if (interface && interface != p->interface) {
> +                               prev_msg = " instead of ";
> +                               prev_mode = phy_modes(interface);
> +                       } else {
> +                               prev_msg = "";
> +                               prev_mode = "";
> +                       }
> +                       dev_info(dev->dev,
> +                                "Port%d: using phy mode %s%s%s\n",
> +                                i,
>  -                               phy_modes(dev->interface),
> ++                               phy_modes(p->interface),
> +                                prev_msg,
> +                                prev_mode);
>
>                         /* enable cpu port */
>                         ksz9477_port_setup(dev, i, true);

Looks good to me wrt my patch "net: dsa: microchip: Improve phy mode message".

Thanks,

-- 
Paul Barker
Konsulko Group