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path: root/drivers/net/wireless/mediatek/mt76/dma.c
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Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/dma.c')
-rw-r--r--drivers/net/wireless/mediatek/mt76/dma.c46
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;
}