Commit fc780102 authored by Felix Fietkau's avatar Felix Fietkau
Browse files

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



Useful in case the hardware reset clobbers these values

Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent cd44bc40

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

+2 −0
Original line number Diff line number Diff line
@@ -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);