diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/chain_mode.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/chain_mode.c | 55 |
1 files changed, 29 insertions, 26 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/chain_mode.c b/drivers/net/ethernet/stmicro/stmmac/chain_mode.c index b3e669af3005..026e8e9cb942 100644 --- a/drivers/net/ethernet/stmicro/stmmac/chain_mode.c +++ b/drivers/net/ethernet/stmicro/stmmac/chain_mode.c @@ -34,7 +34,7 @@ static int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) unsigned int entry = priv->cur_tx; struct dma_desc *desc = priv->dma_tx + entry; unsigned int nopaged_len = skb_headlen(skb); - unsigned int bmax; + unsigned int bmax, des2; unsigned int i = 1, len; if (priv->plat->enh_desc) @@ -44,11 +44,12 @@ static int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) len = nopaged_len - bmax; - desc->des2 = dma_map_single(priv->device, skb->data, - bmax, DMA_TO_DEVICE); - if (dma_mapping_error(priv->device, desc->des2)) + des2 = dma_map_single(priv->device, skb->data, + bmax, DMA_TO_DEVICE); + desc->des2 = cpu_to_le32(des2); + if (dma_mapping_error(priv->device, des2)) return -1; - priv->tx_skbuff_dma[entry].buf = desc->des2; + priv->tx_skbuff_dma[entry].buf = des2; priv->tx_skbuff_dma[entry].len = bmax; /* do not close the descriptor and do not set own bit */ priv->hw->desc->prepare_tx_desc(desc, 1, bmax, csum, STMMAC_CHAIN_MODE, @@ -60,12 +61,13 @@ static int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) desc = priv->dma_tx + entry; if (len > bmax) { - desc->des2 = dma_map_single(priv->device, - (skb->data + bmax * i), - bmax, DMA_TO_DEVICE); - if (dma_mapping_error(priv->device, desc->des2)) + des2 = dma_map_single(priv->device, + (skb->data + bmax * i), + bmax, DMA_TO_DEVICE); + desc->des2 = cpu_to_le32(des2); + if (dma_mapping_error(priv->device, des2)) return -1; - priv->tx_skbuff_dma[entry].buf = desc->des2; + priv->tx_skbuff_dma[entry].buf = des2; priv->tx_skbuff_dma[entry].len = bmax; priv->hw->desc->prepare_tx_desc(desc, 0, bmax, csum, STMMAC_CHAIN_MODE, 1, @@ -73,12 +75,13 @@ static int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) len -= bmax; i++; } else { - desc->des2 = dma_map_single(priv->device, - (skb->data + bmax * i), len, - DMA_TO_DEVICE); - if (dma_mapping_error(priv->device, desc->des2)) + des2 = dma_map_single(priv->device, + (skb->data + bmax * i), len, + DMA_TO_DEVICE); + desc->des2 = cpu_to_le32(des2); + if (dma_mapping_error(priv->device, des2)) return -1; - priv->tx_skbuff_dma[entry].buf = desc->des2; + priv->tx_skbuff_dma[entry].buf = des2; priv->tx_skbuff_dma[entry].len = len; /* last descriptor can be set now */ priv->hw->desc->prepare_tx_desc(desc, 0, len, csum, @@ -119,19 +122,19 @@ static void stmmac_init_dma_chain(void *des, dma_addr_t phy_addr, struct dma_extended_desc *p = (struct dma_extended_desc *)des; for (i = 0; i < (size - 1); i++) { dma_phy += sizeof(struct dma_extended_desc); - p->basic.des3 = (unsigned int)dma_phy; + p->basic.des3 = cpu_to_le32((unsigned int)dma_phy); p++; } - p->basic.des3 = (unsigned int)phy_addr; + p->basic.des3 = cpu_to_le32((unsigned int)phy_addr); } else { struct dma_desc *p = (struct dma_desc *)des; for (i = 0; i < (size - 1); i++) { dma_phy += sizeof(struct dma_desc); - p->des3 = (unsigned int)dma_phy; + p->des3 = cpu_to_le32((unsigned int)dma_phy); p++; } - p->des3 = (unsigned int)phy_addr; + p->des3 = cpu_to_le32((unsigned int)phy_addr); } } @@ -144,10 +147,10 @@ static void stmmac_refill_desc3(void *priv_ptr, struct dma_desc *p) * 1588-2002 time stamping is enabled, hence reinitialize it * to keep explicit chaining in the descriptor. */ - p->des3 = (unsigned int)(priv->dma_rx_phy + - (((priv->dirty_rx) + 1) % - DMA_RX_SIZE) * - sizeof(struct dma_desc)); + p->des3 = cpu_to_le32((unsigned int)(priv->dma_rx_phy + + (((priv->dirty_rx) + 1) % + DMA_RX_SIZE) * + sizeof(struct dma_desc))); } static void stmmac_clean_desc3(void *priv_ptr, struct dma_desc *p) @@ -161,9 +164,9 @@ static void stmmac_clean_desc3(void *priv_ptr, struct dma_desc *p) * 1588-2002 time stamping is enabled, hence reinitialize it * to keep explicit chaining in the descriptor. */ - p->des3 = (unsigned int)((priv->dma_tx_phy + - ((priv->dirty_tx + 1) % DMA_TX_SIZE)) - * sizeof(struct dma_desc)); + p->des3 = cpu_to_le32((unsigned int)((priv->dma_tx_phy + + ((priv->dirty_tx + 1) % DMA_TX_SIZE)) + * sizeof(struct dma_desc))); } const struct stmmac_mode_ops chain_mode_ops = { |