diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/dma.c')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/dma.c | 46 |
1 files changed, 24 insertions, 22 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index 69e0e68757f5..f225a34e2186 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -16,11 +16,11 @@ mt76_alloc_txwi(struct mt76_dev *dev) int size; size = L1_CACHE_ALIGN(dev->drv->txwi_size + sizeof(*t)); - txwi = devm_kzalloc(dev->dev, size, GFP_ATOMIC); + txwi = kzalloc(size, GFP_ATOMIC); if (!txwi) return NULL; - addr = dma_map_single(dev->dev, txwi, dev->drv->txwi_size, + addr = dma_map_single(dev->dma_dev, txwi, dev->drv->txwi_size, DMA_TO_DEVICE); t = (struct mt76_txwi_cache *)(txwi + dev->drv->txwi_size); t->dma_addr = addr; @@ -73,9 +73,11 @@ mt76_free_pending_txwi(struct mt76_dev *dev) struct mt76_txwi_cache *t; local_bh_disable(); - while ((t = __mt76_get_txwi(dev)) != NULL) - dma_unmap_single(dev->dev, t->dma_addr, dev->drv->txwi_size, + while ((t = __mt76_get_txwi(dev)) != NULL) { + dma_unmap_single(dev->dma_dev, t->dma_addr, dev->drv->txwi_size, DMA_TO_DEVICE); + kfree(mt76_get_txwi_ptr(dev, t)); + } local_bh_enable(); } @@ -121,7 +123,7 @@ mt76_dma_alloc_queue(struct mt76_dev *dev, struct mt76_queue *q, q->hw_idx = idx; size = q->ndesc * sizeof(struct mt76_desc); - q->desc = dmam_alloc_coherent(dev->dev, size, &q->desc_dma, GFP_KERNEL); + q->desc = dmam_alloc_coherent(dev->dma_dev, size, &q->desc_dma, GFP_KERNEL); if (!q->desc) return -ENOMEM; @@ -203,11 +205,11 @@ mt76_dma_tx_cleanup_idx(struct mt76_dev *dev, struct mt76_queue *q, int idx, struct mt76_queue_entry *e = &q->entry[idx]; if (!e->skip_buf0) - dma_unmap_single(dev->dev, e->dma_addr[0], e->dma_len[0], + dma_unmap_single(dev->dma_dev, e->dma_addr[0], e->dma_len[0], DMA_TO_DEVICE); if (!e->skip_buf1) - dma_unmap_single(dev->dev, e->dma_addr[1], e->dma_len[1], + dma_unmap_single(dev->dma_dev, e->dma_addr[1], e->dma_len[1], DMA_TO_DEVICE); if (e->txwi == DMA_DUMMY_DATA) @@ -288,7 +290,7 @@ mt76_dma_get_buf(struct mt76_dev *dev, struct mt76_queue *q, int idx, if (info) *info = le32_to_cpu(desc->info); - dma_unmap_single(dev->dev, buf_addr, buf_len, DMA_FROM_DEVICE); + dma_unmap_single(dev->dma_dev, buf_addr, buf_len, DMA_FROM_DEVICE); e->buf = NULL; return buf; @@ -325,9 +327,9 @@ mt76_dma_tx_queue_skb_raw(struct mt76_dev *dev, struct mt76_queue *q, if (q->queued + 1 >= q->ndesc - 1) goto error; - addr = dma_map_single(dev->dev, skb->data, skb->len, + addr = dma_map_single(dev->dma_dev, skb->data, skb->len, DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(dev->dev, addr))) + if (unlikely(dma_mapping_error(dev->dma_dev, addr))) goto error; buf.addr = addr; @@ -347,8 +349,8 @@ error: static int mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q, - struct sk_buff *skb, struct mt76_wcid *wcid, - struct ieee80211_sta *sta) + enum mt76_txq_id qid, struct sk_buff *skb, + struct mt76_wcid *wcid, struct ieee80211_sta *sta) { struct ieee80211_tx_status status = { .sta = sta, @@ -374,8 +376,8 @@ mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q, mt76_insert_hdr_pad(skb); len = skb_headlen(skb); - addr = dma_map_single(dev->dev, skb->data, len, DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(dev->dev, addr))) + addr = dma_map_single(dev->dma_dev, skb->data, len, DMA_TO_DEVICE); + if (unlikely(dma_mapping_error(dev->dma_dev, addr))) goto free; tx_info.buf[n].addr = t->dma_addr; @@ -387,9 +389,9 @@ mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q, if (n == ARRAY_SIZE(tx_info.buf)) goto unmap; - addr = dma_map_single(dev->dev, iter->data, iter->len, + addr = dma_map_single(dev->dma_dev, iter->data, iter->len, DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(dev->dev, addr))) + if (unlikely(dma_mapping_error(dev->dma_dev, addr))) goto unmap; tx_info.buf[n].addr = addr; @@ -402,10 +404,10 @@ mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q, goto unmap; } - dma_sync_single_for_cpu(dev->dev, t->dma_addr, dev->drv->txwi_size, + dma_sync_single_for_cpu(dev->dma_dev, t->dma_addr, dev->drv->txwi_size, DMA_TO_DEVICE); - ret = dev->drv->tx_prepare_skb(dev, txwi, q->qid, wcid, sta, &tx_info); - dma_sync_single_for_device(dev->dev, t->dma_addr, dev->drv->txwi_size, + ret = dev->drv->tx_prepare_skb(dev, txwi, qid, wcid, sta, &tx_info); + dma_sync_single_for_device(dev->dma_dev, t->dma_addr, dev->drv->txwi_size, DMA_TO_DEVICE); if (ret < 0) goto unmap; @@ -415,7 +417,7 @@ mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q, unmap: for (n--; n > 0; n--) - dma_unmap_single(dev->dev, tx_info.buf[n].addr, + dma_unmap_single(dev->dma_dev, tx_info.buf[n].addr, tx_info.buf[n].len, DMA_TO_DEVICE); free: @@ -459,8 +461,8 @@ mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q) if (!buf) break; - addr = dma_map_single(dev->dev, buf, len, DMA_FROM_DEVICE); - if (unlikely(dma_mapping_error(dev->dev, addr))) { + addr = dma_map_single(dev->dma_dev, buf, len, DMA_FROM_DEVICE); + if (unlikely(dma_mapping_error(dev->dma_dev, addr))) { skb_free_frag(buf); break; } |