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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
@@ -1776,7 +1776,7 @@ 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;
@@ -1834,9 +1834,8 @@ 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;
}
}
@@ -3402,6 +3401,7 @@ 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),
},
};
@@ -3413,6 +3413,7 @@ 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),
},
};
@@ -3425,6 +3426,7 @@ 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),
},
};
@@ -3436,6 +3438,7 @@ 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),
},
};
@@ -3447,6 +3450,7 @@ 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),
},
};
@@ -3457,6 +3461,7 @@ 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
@@ -865,6 +865,7 @@ 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;
@@ -875,6 +876,7 @@ struct mtk_soc_data {
netdev_features_t hw_features;
struct {
u32 txd_size;
+ u32 rxd_size;
} txrx;
};
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