Re: [PATCH net-next v4 00/12] add support for Renesas RZ/N1 ethernet subsystem devices

[Florian Fainelli]

On 5/9/22 06:18, Clément Léger wrote:
> The Renesas RZ/N1 SoCs features an ethernet subsystem which contains
> (most notably) a switch, two GMACs, and a MII converter [1]. This
> series adds support for the switch and the MII converter.
>
> The MII converter present on this SoC has been represented as a PCS
> which sit between the MACs and the PHY. This PCS driver is probed from
> the device-tree since it requires to be configured. Indeed the MII
> converter also contains the registers that are handling the muxing of
> ports (Switch, MAC, HSR, RTOS, etc) internally to the SoC.
>
> The switch driver is based on DSA and exposes 4 ports + 1 CPU
> management port. It include basic bridging support as well as FDB and
> statistics support.
>
> This series needs commits 14f11da778ff6421 ("soc: renesas: rzn1: Select
> PM and PM_GENERIC_DOMAINS configs") and ed66b37f916ee23b ("ARM: dts:
> r9a06g032: Add missing '#power-domain-cells'") which are available on
> the renesas-devel tree in order to enable generic power domain on
> RZ/N1.
>
> Link: [1] https://www.renesas.com/us/en/document/mah/rzn1d-group-rzn1s-group-rzn1l-group-users-manual-r-engine-and-ethernet-peripherals
Build testing this patch set gave me the following Kconfig warnings:

WARNING: unmet direct dependencies detected for PCS_RZN1_MIIC
  Depends on [n]: NETDEVICES [=y] && (ARCH_RZN1 [=n] || COMPILE_TEST [=n])
  Selected by [m]:
  - NET_DSA_RZN1_A5PSW [=m] && NETDEVICES [=y] && NET_DSA [=m]

WARNING: unmet direct dependencies detected for PCS_RZN1_MIIC
  Depends on [n]: NETDEVICES [=y] && (ARCH_RZN1 [=n] || COMPILE_TEST [=n])
  Selected by [m]:
  - NET_DSA_RZN1_A5PSW [=m] && NETDEVICES [=y] && NET_DSA [=m]

WARNING: unmet direct dependencies detected for PCS_RZN1_MIIC
  Depends on [n]: NETDEVICES [=y] && (ARCH_RZN1 [=n] || COMPILE_TEST [=n])
  Selected by [m]:
  - NET_DSA_RZN1_A5PSW [=m] && NETDEVICES [=y] && NET_DSA [=m]

I started off with arm64's defconfig and then enabled all of the DSA 
drivers.
--
Florian