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Commit 55c370e5 authored by Sinan Kaya's avatar Sinan Kaya Committed by Vinod Koul
Browse files

dmaengine: qcom_hidma: report transfer errors with new interface 



Pass the DMA errors to the client by passing a result argument. The HW only
supports a generic error when something goes wrong. That's why, using
DMA_TRANS_ABORTED all the time.

Signed-off-by: default avatarSinan Kaya <okaya@codeaurora.org>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 8a31f8b5

drivers/dma/qcom/hidma.c

+8 −2
Original line number Diff line number Diff line
@@ -126,6 +126,7 @@ static void hidma_process_completed(struct hidma_chan *mchan) 
	list_for_each_entry_safe(mdesc, next, &list, node) {

		enum dma_status llstat;

		struct dmaengine_desc_callback cb;

		struct dmaengine_result result;



		desc = &mdesc->desc;
@@ -141,10 +142,15 @@ static void hidma_process_completed(struct hidma_chan *mchan) 


		spin_lock_irqsave(&mchan->lock, irqflags);

		list_move(&mdesc->node, &mchan->free);

		spin_unlock_irqrestore(&mchan->lock, irqflags);



		if (llstat == DMA_COMPLETE)

			dmaengine_desc_callback_invoke(&cb, NULL);

			result.result = DMA_TRANS_NOERROR;

		else

			result.result = DMA_TRANS_ABORTED;



		spin_unlock_irqrestore(&mchan->lock, irqflags);



		dmaengine_desc_callback_invoke(&cb, &result);

	}

}