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
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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel