mt76: rewrite dma descriptor base and ring size on queue reset

Useful in case the hardware reset clobbers these values

Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c
index 99e341c..76629b9 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/dma.c
@@ -130,6 +130,8 @@ 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);