Re: [net-next v8 4/7] net: mtip: The L2 switch driver for imx287

[Lukasz Majewski <lukma@denx.de>]

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Hi Jakub,

> On Mon, 28 Apr 2025 09:44:21 +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>  
> 
> Linking fails with allmodconfig
> 
> ERROR: modpost: missing MODULE_LICENSE() in
> drivers/net/ethernet/freescale/mtipsw/mtipl2sw_mgnt.o WARNING:
> modpost: missing MODULE_DESCRIPTION() in
> drivers/net/ethernet/freescale/mtipsw/mtipl2sw_mgnt.o ERROR: modpost:
> missing MODULE_LICENSE() in
> drivers/net/ethernet/freescale/mtipsw/mtipl2sw_br.o WARNING: modpost:
> missing MODULE_DESCRIPTION() in
> drivers/net/ethernet/freescale/mtipsw/mtipl2sw_br.o ERROR: modpost:
> "mtip_forced_forward"
> [drivers/net/ethernet/freescale/mtipsw/mtipl2sw.ko] undefined! ERROR:
> modpost: "mtip_port_learning_config"
> [drivers/net/ethernet/freescale/mtipsw/mtipl2sw.ko] undefined! ERROR:
> modpost: "mtip_port_blocking_config"
> [drivers/net/ethernet/freescale/mtipsw/mtipl2sw.ko] undefined! ERROR:
> modpost: "mtip_port_enable_config"
> [drivers/net/ethernet/freescale/mtipsw/mtipl2sw.ko] undefined! ERROR:
> modpost: "mtip_port_broadcast_config"
> [drivers/net/ethernet/freescale/mtipsw/mtipl2sw.ko] undefined! ERROR:
> modpost: "mtip_port_multicast_config"
> [drivers/net/ethernet/freescale/mtipsw/mtipl2sw.ko] undefined! ERROR:
> modpost: "mtip_switch_en_port_separation"
> [drivers/net/ethernet/freescale/mtipsw/mtipl2sw.ko] undefined! ERROR:
> modpost: "mtip_register_notifiers"
> [drivers/net/ethernet/freescale/mtipsw/mtipl2sw.ko] undefined! ERROR:
> modpost: "mtip_unregister_notifiers"
> [drivers/net/ethernet/freescale/mtipsw/mtipl2sw.ko] undefined! ERROR:
> modpost: "mtip_is_switch_netdev_port"
> [drivers/net/ethernet/freescale/mtipsw/mtipl2sw_br.ko] undefined!
> WARNING: modpost: suppressed 3 unresolved symbol warnings because
> there were too many)

Yes, you are right.

I've adjusted makefile to build it properly as a module.

Thanks for spotting it.


Best regards,

Lukasz Majewski

--

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