Re: [PATCH net-next v2 0/4] net: dsa: Add SoC-e DSA driver

[Krzysztof Kozlowski <krzk@kernel.org>]

On Thu, Sep 03, 2026 at 08:10:57PM +0200, Vasilij Strassheim wrote:
> Add support for SoC-e Ethernet switch IP cores synthesized for and
> implemented in FPGAs.
> 
> The series introduces the SoC-e vendor prefix and device tree binding,
> an EtherType-based SDSA tagger, and an initial DSA switch driver.
> 
> The driver uses a memory-mapped control interface. During probe, it
> detects the core version and the licensed and implemented port counts,
> and verifies that the synthesized core provides DSA support. Port
> counts from 1 through 31 are supported.
> 
> The initial implementation supports Ethernet switching using MII, GMII,
> RMII, and RGMII port interfaces. Offloading features are not
> implemented.
> 
> External MDIO outputs are exposed as separate logical MDIO buses sharing
> the integrated MDIO controller.
> 
> The driver was tested with a SoC-e MRS 25.01 IP core on a Xilinx ZynqMP
> platform.
> 
> Signed-off-by: Vasilij Strassheim <v.strassheim@linutronix.de>
> ---
> Changes in v2:
> - Correctly use net-next prefix
> - Rework the binding into a single MMIO-based switch node
> - Model hardware MDIO outputs as separate logical MDIO buses
> - Detect the switch version, features, and port count from hardware
> - Drop incomplete STP, bridge, and FDB offloading
> - Derive phylink capabilities from each port's phy-mode
> - Harden MDIO access and SDSA receive validation
> - Address binding, naming, and coding style review comments

This is not specific enough. Every contributor can say that for every
patch...

Best regards,
Krzysztof