Thread (55 messages) 55 messages, 5 authors, 2019-11-26

Re: [PATCH v4 12/15] dmaengine: ti: New driver for K3 UDMA - split#4: dma_device callbacks 1

From: Vinod Koul <vkoul@kernel.org>
Date: 2019-11-11 06:09:53
Also in: dmaengine, linux-devicetree, lkml

On 01-11-19, 10:41, Peter Ujfalusi wrote:
+/* Not much yet */
?
+static enum dma_status udma_tx_status(struct dma_chan *chan,
+				      dma_cookie_t cookie,
+				      struct dma_tx_state *txstate)
+{
+	struct udma_chan *uc = to_udma_chan(chan);
+	enum dma_status ret;
+	unsigned long flags;
+
+	spin_lock_irqsave(&uc->vc.lock, flags);
+
+	ret = dma_cookie_status(chan, cookie, txstate);
+
+	if (!udma_is_chan_running(uc))
+		ret = DMA_COMPLETE;
so a paused channel will result in dma complete status?

-- 
~Vinod

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