From 5bb7a655045ebc023f421c13c2156fcd478185bc Mon Sep 17 00:00:00 2001
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Fri, 20 Oct 2023 12:30:55 +0200
Subject: [PATCH] wifi: mt76: dma: introduce __mt76_dma_queue_reset utility
routine
This is a preliminary patch to introduce WED support for mt7996
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
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 a7a045488cb26..12615b49c0d74 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)
--
2.30.2