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: Sinan Kaya <okaya@codeaurora.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

1 files changed, 8 insertions, 2 deletions

diff --git a/drivers/dma/qcom/hidma.c b/drivers/dma/qcom/hidma.c
index b8493bafdb3f..ea24863794b9 100644
--- a/drivers/dma/qcom/hidma.c
+++ b/drivers/dma/qcom/hidma.c
@@ -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);
         }
 }