Re: [net-next v10 4/7] net: mtip: The L2 switch driver for imx287

Jakub Kicinski
2025-05-02T14:18:00Z

On Fri, 2 May 2025 09:44:44 +0200 Lukasz Majewski wrote:
> This patch series provides support for More Than IP L2 switch embedded
> in the imx287 SoC.
>
> This is a two port switch (placed between uDMA[01] and MAC-NET[01]),
> which can be used for offloading the network traffic.
>
> It can be used interchangeably with current FEC driver - to be more
> specific: one can use either of it, depending on the requirements.
>
> The biggest difference is the usage of DMA - when FEC is used, separate
> DMAs are available for each ENET-MAC block.
> However, with switch enabled - only the DMA0 is used to send/receive data
> to/form switch (and then switch sends them to respecitive ports).
>
> Signed-off-by: Lukasz Majewski <lukma@denx.de>
> Reviewed-by: Stefan Wahren <wahrenst@gmx.net>
> Reviewed-by: Andrew Lunn <andrew@lunn.ch>

Now that basic build is green the series has advanced to full testing,
where coccicheck says:

drivers/net/ethernet/freescale/mtipsw/mtipl2sw.c:1961:1-6: WARNING: invalid free of devm_ allocated data
drivers/net/ethernet/freescale/mtipsw/mtipl2sw.c:1237:16-19: ERROR: bus is NULL but dereferenced.
--
pw-bot: cr