[PATCH net-next v3 2/3] net: stmmac: Integrate dwxgmac4 into stmmac hwif handling

Andrew Lunn andrew at lunn.ch
Fri Aug 2 15:59:26 PDT 2024


> +	user_ver = stmmac_get_user_version(priv, GMAC4_VERSION);
> +	if (priv->synopsys_id == DWXGMAC_CORE_4_00 &&
> +	    user_ver == DWXGMAC_USER_VER_X22)
> +		mac->dma = &dwxgmac400_dma_ops;

I know nothing about this hardware....

Does priv->synopsys_id == DWXGMAC_CORE_4_0 not imply
dwxgmac400_dma_ops?

Could a user synthesise DWXGMAC_CORE_4_00 without using
dwxgmac400_dma_ops? Could dwxgmac500_dma_ops or dwxgmac100_dma_ops be
used?

	Andrew



More information about the linux-arm-kernel mailing list