From: Sinan Kaya Date: Wed, 31 Aug 2016 15:10:28 +0000 (-0400) Subject: dmaengine: qcom_hidma: report transfer errors with new interface X-Git-Tag: v4.9-rc1~102^2~13^2~1 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=55c370e5198e8cf28b1529299e9c1bfe237c9c1e;p=karo-tx-linux.git 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 Signed-off-by: Vinod Koul --- 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); } }