[PATCH net-next 2/4] net: spacemit: Add K1 Ethernet MAC

[Jakub Kicinski]

On Fri, 13 Jun 2025 10:15:08 +0800 Vivian Wang wrote:
> +	rx_ring->desc_addr = dma_alloc_coherent(&pdev->dev, rx_ring->total_size,
> +						&rx_ring->desc_dma_addr,
> +						GFP_KERNEL);
> +	if (!rx_ring->desc_addr) {
> +		kfree(rx_ring->rx_desc_buf);
> +		return -ENOMEM;
> +	}
> +
> +	memset(rx_ring->desc_addr, 0, rx_ring->total_size);

dma_alloc_coherent() already clears memory.
-- 
pw-bot: cr