Commit 970b17df authored by Shunsuke Mie's avatar Shunsuke Mie Committed by Vinod Koul

dmaengine: dw-edma: Fix to enable to issue dma request on DMA processing

The issue_pending request is ignored while driver is processing a DMA
request. Fix to issue the pending requests on any dma channel status.

Fixes: e63d79d1 ("dmaengine: Add Synopsys eDMA IP core driver")
Signed-off-by: default avatarShunsuke Mie <mie@igel.co.jp>
Link: https://lore.kernel.org/r/20230411101758.438472-2-mie@igel.co.jpSigned-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent a251994a
...@@ -308,9 +308,12 @@ static void dw_edma_device_issue_pending(struct dma_chan *dchan) ...@@ -308,9 +308,12 @@ static void dw_edma_device_issue_pending(struct dma_chan *dchan)
struct dw_edma_chan *chan = dchan2dw_edma_chan(dchan); struct dw_edma_chan *chan = dchan2dw_edma_chan(dchan);
unsigned long flags; unsigned long flags;
if (!chan->configured)
return;
spin_lock_irqsave(&chan->vc.lock, flags); spin_lock_irqsave(&chan->vc.lock, flags);
if (chan->configured && chan->request == EDMA_REQ_NONE && if (vchan_issue_pending(&chan->vc) && chan->request == EDMA_REQ_NONE &&
chan->status == EDMA_ST_IDLE && vchan_issue_pending(&chan->vc)) { chan->status == EDMA_ST_IDLE) {
chan->status = EDMA_ST_BUSY; chan->status = EDMA_ST_BUSY;
dw_edma_start_transfer(chan); dw_edma_start_transfer(chan);
} }
......
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