AM65_CPSW_MAX_PACKET_SIZE
port->ndev->max_mtu = AM65_CPSW_MAX_PACKET_SIZE -
writel(AM65_CPSW_MAX_PACKET_SIZE,
AM65_CPSW_MAX_PACKET_SIZE, DMA_FROM_DEVICE);
cppi5_hdesc_attach_buf(desc_rx, buf_dma, AM65_CPSW_MAX_PACKET_SIZE,
buf_dma, AM65_CPSW_MAX_PACKET_SIZE);
writel(AM65_CPSW_MAX_PACKET_SIZE,