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ramips: ralink-eth: fix device struct passed to dma functions

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dma functions needs the struct from platform_device instead of
the one for ethernet interface.

Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
This commit is contained in:
Chuanhong Guo 2019-09-09 14:52:39 +08:00
parent 33d027c5b8
commit 05dee5833a
1 changed files with 12 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_eth_soc.c
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@ -242,7 +242,7 @@ static void fe_clean_rx(struct fe_priv *priv)
} }
if (ring->rx_dma) { if (ring->rx_dma) {
dma_free_coherent(&priv->netdev->dev, dma_free_coherent(priv->dev,
ring->rx_ring_size * sizeof(*ring->rx_dma), ring->rx_ring_size * sizeof(*ring->rx_dma),
ring->rx_dma, ring->rx_dma,
ring->rx_phys); ring->rx_phys);
@ -259,7 +259,6 @@ static void fe_clean_rx(struct fe_priv *priv)
static int fe_alloc_rx(struct fe_priv *priv) static int fe_alloc_rx(struct fe_priv *priv)
{ {
struct net_device *netdev = priv->netdev;
struct fe_rx_ring *ring = &priv->rx_ring; struct fe_rx_ring *ring = &priv->rx_ring;
int i, pad; int i, pad;
@ -276,7 +275,7 @@ static int fe_alloc_rx(struct fe_priv *priv)
goto no_rx_mem; goto no_rx_mem;
} }
ring->rx_dma = dma_alloc_coherent(&netdev->dev, ring->rx_dma = dma_alloc_coherent(priv->dev,
ring->rx_ring_size * sizeof(*ring->rx_dma), ring->rx_ring_size * sizeof(*ring->rx_dma),
&ring->rx_phys, &ring->rx_phys,
GFP_ATOMIC | __GFP_ZERO); GFP_ATOMIC | __GFP_ZERO);
@ -288,11 +287,11 @@ static int fe_alloc_rx(struct fe_priv *priv)
else else
pad = NET_IP_ALIGN; pad = NET_IP_ALIGN;
for (i = 0; i < ring->rx_ring_size; i++) { for (i = 0; i < ring->rx_ring_size; i++) {
dma_addr_t dma_addr = dma_map_single(&netdev->dev, dma_addr_t dma_addr = dma_map_single(priv->dev,
ring->rx_data[i] + NET_SKB_PAD + pad, ring->rx_data[i] + NET_SKB_PAD + pad,
ring->rx_buf_size, ring->rx_buf_size,
DMA_FROM_DEVICE); DMA_FROM_DEVICE);
if (unlikely(dma_mapping_error(&netdev->dev, dma_addr))) if (unlikely(dma_mapping_error(priv->dev, dma_addr)))
goto no_rx_mem; goto no_rx_mem;
ring->rx_dma[i].rxd1 = (unsigned int)dma_addr; ring->rx_dma[i].rxd1 = (unsigned int)dma_addr;
@ -342,7 +341,7 @@ static void fe_txd_unmap(struct device *dev, struct fe_tx_buf *tx_buf)
static void fe_clean_tx(struct fe_priv *priv) static void fe_clean_tx(struct fe_priv *priv)
{ {
int i; int i;
struct device *dev = &priv->netdev->dev; struct device *dev = priv->dev;
struct fe_tx_ring *ring = &priv->tx_ring; struct fe_tx_ring *ring = &priv->tx_ring;
if (ring->tx_buf) { if (ring->tx_buf) {
@ -378,7 +377,7 @@ static int fe_alloc_tx(struct fe_priv *priv)
if (!ring->tx_buf) if (!ring->tx_buf)
goto no_tx_mem; goto no_tx_mem;
ring->tx_dma = dma_alloc_coherent(&priv->netdev->dev, ring->tx_dma = dma_alloc_coherent(priv->dev,
ring->tx_ring_size * sizeof(*ring->tx_dma), ring->tx_ring_size * sizeof(*ring->tx_dma),
&ring->tx_phys, &ring->tx_phys,
GFP_ATOMIC | __GFP_ZERO); GFP_ATOMIC | __GFP_ZERO);
@ -664,7 +663,7 @@ static int fe_tx_map_dma(struct sk_buff *skb, struct net_device *dev,
{ {
struct fe_priv *priv = netdev_priv(dev); struct fe_priv *priv = netdev_priv(dev);
struct fe_map_state st = { struct fe_map_state st = {
.dev = &dev->dev, .dev = priv->dev,
.ring_idx = ring->tx_next_idx, .ring_idx = ring->tx_next_idx,
}; };
struct sk_buff *head = skb; struct sk_buff *head = skb;
@ -764,7 +763,7 @@ err_dma:
j = ring->tx_next_idx; j = ring->tx_next_idx;
for (i = 0; i < tx_num; i++) { for (i = 0; i < tx_num; i++) {
/* unmap dma */ /* unmap dma */
fe_txd_unmap(&dev->dev, &ring->tx_buf[j]); fe_txd_unmap(priv->dev, &ring->tx_buf[j]);
ring->tx_dma[j].txd2 = TX_DMA_DESP2_DEF; ring->tx_dma[j].txd2 = TX_DMA_DESP2_DEF;
j = NEXT_TX_DESP_IDX(j); j = NEXT_TX_DESP_IDX(j);
@ -908,11 +907,11 @@ static int fe_poll_rx(struct napi_struct *napi, int budget,
stats->rx_dropped++; stats->rx_dropped++;
goto release_desc; goto release_desc;
} }
dma_addr = dma_map_single(&netdev->dev, dma_addr = dma_map_single(priv->dev,
new_data + NET_SKB_PAD + pad, new_data + NET_SKB_PAD + pad,
ring->rx_buf_size, ring->rx_buf_size,
DMA_FROM_DEVICE); DMA_FROM_DEVICE);
if (unlikely(dma_mapping_error(&netdev->dev, dma_addr))) { if (unlikely(dma_mapping_error(priv->dev, dma_addr))) {
skb_free_frag(new_data); skb_free_frag(new_data);
goto release_desc; goto release_desc;
} }
@ -925,7 +924,7 @@ static int fe_poll_rx(struct napi_struct *napi, int budget,
} }
skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN); skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN);
dma_unmap_single(&netdev->dev, trxd.rxd1, dma_unmap_single(priv->dev, trxd.rxd1,
ring->rx_buf_size, DMA_FROM_DEVICE); ring->rx_buf_size, DMA_FROM_DEVICE);
pktlen = RX_DMA_GET_PLEN0(trxd.rxd2); pktlen = RX_DMA_GET_PLEN0(trxd.rxd2);
skb->dev = netdev; skb->dev = netdev;
@ -981,7 +980,6 @@ static int fe_poll_tx(struct fe_priv *priv, int budget, u32 tx_intr,
int *tx_again) int *tx_again)
{ {
struct net_device *netdev = priv->netdev; struct net_device *netdev = priv->netdev;
struct device *dev = &netdev->dev;
unsigned int bytes_compl = 0; unsigned int bytes_compl = 0;
struct sk_buff *skb; struct sk_buff *skb;
struct fe_tx_buf *tx_buf; struct fe_tx_buf *tx_buf;
@ -1004,7 +1002,7 @@ static int fe_poll_tx(struct fe_priv *priv, int budget, u32 tx_intr,
done++; done++;
budget--; budget--;
} }
fe_txd_unmap(dev, tx_buf); fe_txd_unmap(priv->dev, tx_buf);
idx = NEXT_TX_DESP_IDX(idx); idx = NEXT_TX_DESP_IDX(idx);
} }
ring->tx_free_idx = idx; ring->tx_free_idx = idx;