diff options
Diffstat (limited to 'target/linux/generic/backport-5.15/702-v5.19-17-net-ethernet-mtk_eth_soc-rely-on-GFP_KERNEL-for-dma_.patch')
| -rw-r--r-- | target/linux/generic/backport-5.15/702-v5.19-17-net-ethernet-mtk_eth_soc-rely-on-GFP_KERNEL-for-dma_.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/702-v5.19-17-net-ethernet-mtk_eth_soc-rely-on-GFP_KERNEL-for-dma_.patch b/target/linux/generic/backport-5.15/702-v5.19-17-net-ethernet-mtk_eth_soc-rely-on-GFP_KERNEL-for-dma_.patch new file mode 100644 index 0000000000..db4d9b34d3 --- /dev/null +++ b/target/linux/generic/backport-5.15/702-v5.19-17-net-ethernet-mtk_eth_soc-rely-on-GFP_KERNEL-for-dma_.patch @@ -0,0 +1,52 @@ +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 +@@ -834,7 +834,7 @@ 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; + +@@ -1609,7 +1609,7 @@ 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; + +@@ -1627,8 +1627,7 @@ 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; + +@@ -1740,7 +1739,7 @@ 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; + |