diff options
Diffstat (limited to 'target/linux/generic/backport-5.15/702-v5.19-23-net-ethernet-mtk_eth_soc-add-rxd_size-to-mtk_soc_dat.patch')
| -rw-r--r-- | target/linux/generic/backport-5.15/702-v5.19-23-net-ethernet-mtk_eth_soc-add-rxd_size-to-mtk_soc_dat.patch | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/702-v5.19-23-net-ethernet-mtk_eth_soc-add-rxd_size-to-mtk_soc_dat.patch b/target/linux/generic/backport-5.15/702-v5.19-23-net-ethernet-mtk_eth_soc-add-rxd_size-to-mtk_soc_dat.patch new file mode 100644 index 0000000000..72c14d67b7 --- /dev/null +++ b/target/linux/generic/backport-5.15/702-v5.19-23-net-ethernet-mtk_eth_soc-add-rxd_size-to-mtk_soc_dat.patch @@ -0,0 +1,102 @@ +From: Lorenzo Bianconi <lorenzo@kernel.org> +Date: Fri, 20 May 2022 20:11:32 +0200 +Subject: [PATCH] net: ethernet: mtk_eth_soc: add rxd_size to mtk_soc_data + +Similar to tx counterpart, introduce rxd_size in mtk_soc_data data +structure. +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 +@@ -1758,7 +1758,7 @@ static int mtk_rx_alloc(struct mtk_eth * + } + + ring->dma = dma_alloc_coherent(eth->dma_dev, +- rx_dma_size * sizeof(*ring->dma), ++ rx_dma_size * eth->soc->txrx.rxd_size, + &ring->phys, GFP_KERNEL); + if (!ring->dma) + return -ENOMEM; +@@ -1816,9 +1816,8 @@ static void mtk_rx_clean(struct mtk_eth + + if (ring->dma) { + dma_free_coherent(eth->dma_dev, +- ring->dma_size * sizeof(*ring->dma), +- ring->dma, +- ring->phys); ++ ring->dma_size * eth->soc->txrx.rxd_size, ++ ring->dma, ring->phys); + ring->dma = NULL; + } + } +@@ -3383,6 +3382,7 @@ static const struct mtk_soc_data mt2701_ + .required_pctl = true, + .txrx = { + .txd_size = sizeof(struct mtk_tx_dma), ++ .rxd_size = sizeof(struct mtk_rx_dma), + }, + }; + +@@ -3394,6 +3394,7 @@ static const struct mtk_soc_data mt7621_ + .offload_version = 2, + .txrx = { + .txd_size = sizeof(struct mtk_tx_dma), ++ .rxd_size = sizeof(struct mtk_rx_dma), + }, + }; + +@@ -3406,6 +3407,7 @@ static const struct mtk_soc_data mt7622_ + .offload_version = 2, + .txrx = { + .txd_size = sizeof(struct mtk_tx_dma), ++ .rxd_size = sizeof(struct mtk_rx_dma), + }, + }; + +@@ -3417,6 +3419,7 @@ static const struct mtk_soc_data mt7623_ + .offload_version = 2, + .txrx = { + .txd_size = sizeof(struct mtk_tx_dma), ++ .rxd_size = sizeof(struct mtk_rx_dma), + }, + }; + +@@ -3428,6 +3431,7 @@ static const struct mtk_soc_data mt7629_ + .required_pctl = false, + .txrx = { + .txd_size = sizeof(struct mtk_tx_dma), ++ .rxd_size = sizeof(struct mtk_rx_dma), + }, + }; + +@@ -3438,6 +3442,7 @@ static const struct mtk_soc_data rt5350_ + .required_pctl = false, + .txrx = { + .txd_size = sizeof(struct mtk_tx_dma), ++ .rxd_size = sizeof(struct mtk_rx_dma), + }, + }; + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h +@@ -864,6 +864,7 @@ struct mtk_tx_dma_desc_info { + * @required_pctl A bool value to show whether the SoC requires + * the extra setup for those pins used by GMAC. + * @txd_size Tx DMA descriptor size. ++ * @rxd_size Rx DMA descriptor size. + */ + struct mtk_soc_data { + u32 ana_rgc3; +@@ -874,6 +875,7 @@ struct mtk_soc_data { + netdev_features_t hw_features; + struct { + u32 txd_size; ++ u32 rxd_size; + } txrx; + }; + |