WhyCan Forum(哇酷开发者社区)

menuconfig 里勾选 Allwinner sun8i EMAC support 后编译报错如下：

drivers/net/ethernet/allwinner/sun8i-emac.c:1240:20: error: assignment to expression with array type
1240 |  phydev->supported &= PHY_GBIT_FEATURES;
      |                    ^~
drivers/net/ethernet/allwinner/sun8i-emac.c:1241:22: error: assignment to expression with array type
1241 |  phydev->advertising = phydev->supported;
      |                      ^
drivers/net/ethernet/allwinner/sun8i-emac.c: In function ‘sun8i_emac_alloc_rings’:
drivers/net/ethernet/allwinner/sun8i-emac.c:1274:16: error: implicit declaration of function ‘dma_zalloc_coherent’; did you mean ‘dma_alloc_coherent’? [-Werror=implicit-function-declaration]
1274 |  priv->dd_rx = dma_zalloc_coherent(priv->dev,
      |                ^~~~~~~~~~~~~~~~~~~
      |                dma_alloc_coherent

请问有哪位朋友遇到类似问题吗？应该如何解决呢？我们开发环境是ubuntu 20.04