diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/ring_mode.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/ring_mode.c | 39 |
1 files changed, 21 insertions, 18 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c index 7723b5d2499a..9983ce9bd90d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c +++ b/drivers/net/ethernet/stmicro/stmmac/ring_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; unsigned int nopaged_len = skb_headlen(skb); - unsigned int bmax, len; + unsigned int bmax, len, des2; if (priv->extend_desc) desc = (struct dma_desc *)(priv->dma_etx + entry); @@ -50,16 +50,17 @@ static int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) if (nopaged_len > BUF_SIZE_8KiB) { - 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; priv->tx_skbuff_dma[entry].is_jumbo = true; - desc->des3 = desc->des2 + BUF_SIZE_4KiB; + desc->des3 = cpu_to_le32(des2 + BUF_SIZE_4KiB); priv->hw->desc->prepare_tx_desc(desc, 1, bmax, csum, STMMAC_RING_MODE, 0, false); priv->tx_skbuff[entry] = NULL; @@ -70,26 +71,28 @@ static int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) else desc = priv->dma_tx + entry; - desc->des2 = dma_map_single(priv->device, skb->data + bmax, - len, DMA_TO_DEVICE); - if (dma_mapping_error(priv->device, desc->des2)) + des2 = dma_map_single(priv->device, skb->data + bmax, 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; priv->tx_skbuff_dma[entry].is_jumbo = true; - desc->des3 = desc->des2 + BUF_SIZE_4KiB; + desc->des3 = cpu_to_le32(des2 + BUF_SIZE_4KiB); priv->hw->desc->prepare_tx_desc(desc, 0, len, csum, STMMAC_RING_MODE, 1, true); } else { - desc->des2 = dma_map_single(priv->device, skb->data, - nopaged_len, DMA_TO_DEVICE); - if (dma_mapping_error(priv->device, desc->des2)) + des2 = dma_map_single(priv->device, skb->data, + nopaged_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 = nopaged_len; priv->tx_skbuff_dma[entry].is_jumbo = true; - desc->des3 = desc->des2 + BUF_SIZE_4KiB; + desc->des3 = cpu_to_le32(des2 + BUF_SIZE_4KiB); priv->hw->desc->prepare_tx_desc(desc, 1, nopaged_len, csum, STMMAC_RING_MODE, 0, true); } @@ -115,13 +118,13 @@ static void stmmac_refill_desc3(void *priv_ptr, struct dma_desc *p) /* Fill DES3 in case of RING mode */ if (priv->dma_buf_sz >= BUF_SIZE_8KiB) - p->des3 = p->des2 + BUF_SIZE_8KiB; + p->des3 = cpu_to_le32(le32_to_cpu(p->des2) + BUF_SIZE_8KiB); } /* In ring mode we need to fill the desc3 because it is used as buffer */ static void stmmac_init_desc3(struct dma_desc *p) { - p->des3 = p->des2 + BUF_SIZE_8KiB; + p->des3 = cpu_to_le32(le32_to_cpu(p->des2) + BUF_SIZE_8KiB); } static void stmmac_clean_desc3(void *priv_ptr, struct dma_desc *p) |