[PATCH 1/3] mt76: rewrite dma descriptor base and ring size on queue reset

[Felix Fietkau <nbd@xxxxxxxx>]

Useful in case the hardware reset clobbers these values

Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
---
 drivers/net/wireless/mediatek/mt76/dma.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c
index 4db1f088ee91..4e2dfb0f20c3 100644
--- a/drivers/net/wireless/mediatek/mt76/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/dma.c
@@ -137,6 +137,8 @@ mt76_dma_tx_cleanup_idx(struct mt76_dev *dev, struct mt76_queue *q, int idx,
 static void
 mt76_dma_sync_idx(struct mt76_dev *dev, struct mt76_queue *q)
 {
+	iowrite32(q->desc_dma, &q->regs->desc_base);
+	iowrite32(q->ndesc, &q->regs->ring_size);
 	q->head = ioread32(&q->regs->dma_idx);
 	q->tail = q->head;
 	iowrite32(q->head, &q->regs->cpu_idx);
-- 
2.17.0