mt76: dma: do not write cpu_idx on rx queue reset until after refill (8f6c4f7b) · Commits · 戴 / test

drivers/net/wireless/mediatek/mt76/dma.c

+8 −7

Original line number	Diff line number	Diff line
		@@ -132,6 +132,11 @@ mt76_dma_sync_idx(struct mt76_dev dev, struct mt76_queue q)
		writel(q->ndesc, &q->regs->ring_size);
		q->head = readl(&q->regs->dma_idx);
		q->tail = q->head;
		}

		static void
		mt76_dma_kick_queue(struct mt76_dev dev, struct mt76_queue q)
		{
		writel(q->head, &q->regs->cpu_idx);
		}

		@@ -193,8 +198,10 @@ mt76_dma_tx_cleanup(struct mt76_dev *dev, enum mt76_txq_id qid, bool flush)
		dev->q_tx[__MT_TXQ_MAX + i].swq_queued -= n_swq_queued[4 + i];
		}

		if (flush)
		if (flush) {
		mt76_dma_sync_idx(dev, q);
		mt76_dma_kick_queue(dev, q);
		}

		wake = wake && q->stopped &&
		qid < IEEE80211_NUM_ACS && q->queued < q->ndesc - 8;
		@@ -257,12 +264,6 @@ mt76_dma_dequeue(struct mt76_dev dev, struct mt76_queue q, bool flush,
		return mt76_dma_get_buf(dev, q, idx, len, info, more);
		}

		static void
		mt76_dma_kick_queue(struct mt76_dev dev, struct mt76_queue q)
		{
		writel(q->head, &q->regs->cpu_idx);
		}

		static int
		mt76_dma_tx_queue_skb_raw(struct mt76_dev *dev, enum mt76_txq_id qid,
		struct sk_buff *skb, u32 tx_info)