diff options
Diffstat (limited to 'target/linux/generic/backport-5.15/702-v5.19-22-net-ethernet-mtk_eth_soc-rely-on-txd_size-in-txd_to_.patch')
| -rw-r--r-- | target/linux/generic/backport-5.15/702-v5.19-22-net-ethernet-mtk_eth_soc-rely-on-txd_size-in-txd_to_.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/702-v5.19-22-net-ethernet-mtk_eth_soc-rely-on-txd_size-in-txd_to_.patch b/target/linux/generic/backport-5.15/702-v5.19-22-net-ethernet-mtk_eth_soc-rely-on-txd_size-in-txd_to_.patch new file mode 100644 index 0000000000..8c97327bd0 --- /dev/null +++ b/target/linux/generic/backport-5.15/702-v5.19-22-net-ethernet-mtk_eth_soc-rely-on-txd_size-in-txd_to_.patch @@ -0,0 +1,39 @@ +From: Lorenzo Bianconi <lorenzo@kernel.org> +Date: Fri, 20 May 2022 20:11:31 +0200 +Subject: [PATCH] net: ethernet: mtk_eth_soc: rely on txd_size in txd_to_idx + +This is a preliminary patch to add mt7986 ethernet support. + +Tested-by: Sam Shih <sam.shih@mediatek.com> +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 +@@ -894,9 +894,10 @@ static struct mtk_tx_dma *qdma_to_pdma(s + return ring->dma_pdma - ring->dma + dma; + } + +-static int txd_to_idx(struct mtk_tx_ring *ring, struct mtk_tx_dma *dma) ++static int txd_to_idx(struct mtk_tx_ring *ring, struct mtk_tx_dma *dma, ++ u32 txd_size) + { +- return ((void *)dma - (void *)ring->dma) / sizeof(*dma); ++ return ((void *)dma - (void *)ring->dma) / txd_size; + } + + static void mtk_tx_unmap(struct mtk_eth *eth, struct mtk_tx_buf *tx_buf, +@@ -1112,8 +1113,10 @@ static int mtk_tx_map(struct sk_buff *sk + !netdev_xmit_more()) + mtk_w32(eth, txd->txd2, MTK_QTX_CTX_PTR); + } else { +- int next_idx = NEXT_DESP_IDX(txd_to_idx(ring, txd), +- ring->dma_size); ++ int next_idx; ++ ++ next_idx = NEXT_DESP_IDX(txd_to_idx(ring, txd, soc->txrx.txd_size), ++ ring->dma_size); + mtk_w32(eth, next_idx, MT7628_TX_CTX_IDX0); + } + |