Re: [PATCH net-next v5] net: dsa: microchip: enable the SGMII port of the KSZ9897S

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Fri, 04 Sep 2026 06:03:00 +0000 you wrote:
> The KSZ9897 has an SGMII/1000BASE-X capable port 7, but its chip_info
> entry never set .sgmii_port. ksz_has_sgmii_port() is therefore false,
> ksz9477_pcs_create() is never called and ksz9477_phylink_mac_select_pcs()
> returns NULL for port 7, so a phy-mode = "sgmii" or "1000base-x" link on
> that port cannot come up.
> 
> Only the KSZ9897S has that port; the KSZ9897R has a second RGMII port
> instead. Both report chip ID 0x00989700, so the port cannot be enabled
> from the chip ID alone, and enabling it unconditionally breaks the
> KSZ9897R badly: ksz9477_setup() propagates the failure of
> xpcs_create_pcs_mdiodev() on a part without an XPCS, so the switch as a
> whole stops probing.
> 
> [...]

Here is the summary with links:
  - [net-next,v5] net: dsa: microchip: enable the SGMII port of the KSZ9897S
    https://git.kernel.org/netdev/net-next/c/3037c2f6a9de

You are awesome, thank you!
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