Re: [PATCH net-next v1] net: stmmac: Default DWMAC_MOTORCOMM to m on MACH_LOONGSON64

[Maxime Chevallier]

Hi

On 9/15/26 09:32, Tiezhu Yang wrote:
> Currently, there is no network connectivity when upgrading to the
> latest upstream mainline kernel on certain Loongson machines such
> as Loongson-3C6000 server, because the driver for the onboard NIC
> is not enabled.
> 
> Enable the Motorcomm PCI DWMAC driver as a module by default when
> building for the Loongson-64 platform.
> 
> This ensures out-of-the-box support for Motorcomm YT6801 Ethernet
> controllers on Loongson machines, enabling demand-loading without
> increasing the core kernel image size.
> 
> Signed-off-by: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx>
> ---
>  drivers/net/ethernet/stmicro/stmmac/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethernet/stmicro/stmmac/Kconfig
> index ab3c4cf96423..c86d6c08977c 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/Kconfig
> +++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig
> @@ -408,6 +408,7 @@ config DWMAC_LOONGSON
>  
>  config DWMAC_MOTORCOMM
>  	tristate "Motorcomm PCI DWMAC support"
> +	default m if MACH_LOONGSON64
>  	depends on PCI
>  	select MOTORCOMM_PHY
>  	select STMMAC_LIBPCI

I agree with Yao Zi, this belongs in your .config, maybe your
defconfig, but not in the stmmac Kconfig.

Maxime