drivers/staging/mt7621-eth: Use dma_zalloc_coherent to replace dma_alloc_coherent+memset (5298ff58) · Commits · 戴 / test

drivers/staging/mt7621-eth/mtk_eth_soc.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -1396,14 +1396,13 @@ static int mtk_qdma_tx_alloc_tx(struct mtk_eth *eth)
		if (!ring->tx_buf)
		goto no_tx_mem;

		ring->tx_dma = dma_alloc_coherent(eth->dev,
		ring->tx_dma = dma_zalloc_coherent(eth->dev,
		ring->tx_ring_size * sz,
		&ring->tx_phys,
		GFP_ATOMIC \| __GFP_ZERO);
		if (!ring->tx_dma)
		goto no_tx_mem;

		memset(ring->tx_dma, 0, ring->tx_ring_size * sz);
		for (i = 0; i < ring->tx_ring_size; i++) {
		int next = (i + 1) % ring->tx_ring_size;
		u32 next_ptr = ring->tx_phys + next * sz;