Search Linux Wireless

[PATCH v2 08/12] wifi: mt76: dma: introduce __mt76_dma_queue_reset utility routine

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



This is a preliminary patch to introduce WED support for mt7996

Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
---
 drivers/net/wireless/mediatek/mt76/dma.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c
index 64027572a5e6..7b622e966f58 100644
--- a/drivers/net/wireless/mediatek/mt76/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/dma.c
@@ -195,7 +195,8 @@ mt76_dma_sync_idx(struct mt76_dev *dev, struct mt76_queue *q)
 }
 
 static void
-mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q)
+__mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q,
+		       bool reset_idx)
 {
 	int i;
 
@@ -206,11 +207,19 @@ mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q)
 	for (i = 0; i < q->ndesc; i++)
 		q->desc[i].ctrl = cpu_to_le32(MT_DMA_CTL_DMA_DONE);
 
-	Q_WRITE(q, cpu_idx, 0);
-	Q_WRITE(q, dma_idx, 0);
+	if (reset_idx) {
+		Q_WRITE(q, cpu_idx, 0);
+		Q_WRITE(q, dma_idx, 0);
+	}
 	mt76_dma_sync_idx(dev, q);
 }
 
+static void
+mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q)
+{
+	__mt76_dma_queue_reset(dev, q, true);
+}
+
 static int
 mt76_dma_add_rx_buf(struct mt76_dev *dev, struct mt76_queue *q,
 		    struct mt76_queue_buf *buf, void *data)
-- 
2.41.0




[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Wireless Personal Area Network]     [Linux Bluetooth]     [Wireless Regulations]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite Hiking]     [MIPS Linux]     [ARM Linux]     [Linux RAID]

  Powered by Linux