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

Vivian Wang wangruikang at iscas.ac.cn
Sun Jun 15 20:02:59 PDT 2025


Hi Jakub,

Thanks for your review.

On 6/13/25 21:31, Jakub Kicinski wrote:
> 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.

Thanks, I will remove memset in next version.

Regards,
Vivian "dramforever" Wang




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