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Date:   Fri, 29 Apr 2022 12:32:35 -0700
From:   Jakub Kicinski <>
To:     Clément Léger <>
Cc:     Andrew Lunn <>,
        Vivien Didelot <>,
        Florian Fainelli <>,
        Vladimir Oltean <>,
        "David S . Miller" <>,
        Eric Dumazet <>,
        Paolo Abeni <>,
        Rob Herring <>,
        Krzysztof Kozlowski <>,
        Geert Uytterhoeven <>,
        Magnus Damm <>,
        Heiner Kallweit <>,
        Russell King <>,
        Thomas Petazzoni <>,
        Herve Codina <>,
        Miquèl Raynal <>,
        Milan Stevanovic <>,
        Jimmy Lalande <>,
        Pascal Eberhard <>,,,,
Subject: Re: [net-next v2 00/12] add support for Renesas RZ/N1 ethernet
 subsystem devices

On Fri, 29 Apr 2022 16:34:53 +0200 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.

Build's not happy (W=1 C=1):

drivers/net/dsa/rzn1_a5psw.c:574:29: warning: symbol 'a5psw_switch_ops' was not declared. Should it be static?
In file included from ../drivers/net/dsa/rzn1_a5psw.c:17:
drivers/net/dsa/rzn1_a5psw.h:221:1: note: offset of packed bit-field ‘port_mask’ has changed in GCC 4.4
  221 | } __packed;
      | ^

drivers/net/dsa/rzn1_a5psw.h:200: warning: Function parameter or member 'hclk' not described in 'a5psw'
drivers/net/dsa/rzn1_a5psw.h:200: warning: Function parameter or member 'clk' not described in 'a5psw'

Not sure how many of these are added by you but I think 2 at least.

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