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From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Fri, 20 May 2022 20:11:26 +0200
Subject: [PATCH] net: ethernet: mtk_eth_soc: rely on GFP_KERNEL for
dma_alloc_coherent whenever possible
Rely on GFP_KERNEL for dma descriptors mappings in mtk_tx_alloc(),
mtk_rx_alloc() and mtk_init_fq_dma() since they are run in non-irq
context.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -846,7 +846,7 @@ static int mtk_init_fq_dma(struct mtk_et
eth->scratch_ring = dma_alloc_coherent(eth->dma_dev,
cnt * sizeof(struct mtk_tx_dma),
ð->phy_scratch_ring,
- GFP_ATOMIC);
+ GFP_KERNEL);
if (unlikely(!eth->scratch_ring))
return -ENOMEM;
@@ -1624,7 +1624,7 @@ static int mtk_tx_alloc(struct mtk_eth *
goto no_tx_mem;
ring->dma = dma_alloc_coherent(eth->dma_dev, MTK_DMA_SIZE * sz,
- &ring->phys, GFP_ATOMIC);
+ &ring->phys, GFP_KERNEL);
if (!ring->dma)
goto no_tx_mem;
@@ -1642,8 +1642,7 @@ static int mtk_tx_alloc(struct mtk_eth *
*/
if (!MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) {
ring->dma_pdma = dma_alloc_coherent(eth->dma_dev, MTK_DMA_SIZE * sz,
- &ring->phys_pdma,
- GFP_ATOMIC);
+ &ring->phys_pdma, GFP_KERNEL);
if (!ring->dma_pdma)
goto no_tx_mem;
@@ -1758,7 +1757,7 @@ static int mtk_rx_alloc(struct mtk_eth *
ring->dma = dma_alloc_coherent(eth->dma_dev,
rx_dma_size * sizeof(*ring->dma),
- &ring->phys, GFP_ATOMIC);
+ &ring->phys, GFP_KERNEL);
if (!ring->dma)
return -ENOMEM;
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