diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/sdio.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/sdio.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/sdio.c b/drivers/net/wireless/mediatek/mt76/sdio.c index 228bc7d45011..419723118ded 100644 --- a/drivers/net/wireless/mediatek/mt76/sdio.c +++ b/drivers/net/wireless/mediatek/mt76/sdio.c @@ -562,6 +562,10 @@ mt76s_tx_queue_skb_raw(struct mt76_dev *dev, struct mt76_queue *q, q->entry[q->head].buf_sz = len; q->entry[q->head].skb = skb; + + /* ensure the entry fully updated before bus access */ + smp_wmb(); + q->head = (q->head + 1) % q->ndesc; q->queued++; |