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@xxxxxxxxxxxxxx>
---
drivers/dma/qcom/hidma.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/dma/qcom/hidma.c b/drivers/dma/qcom/hidma.c
index b8493ba..ea24863 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);
}
}
--
1.8.2.1
--
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