@@ -65,6 +65,7 @@ static int catpt_dma_memcpy(struct catpt_dev *cdev, struct dma_chan *chan,
{
struct dma_async_tx_descriptor *desc;
enum dma_status status;
+ int ret;
desc = dmaengine_prep_dma_memcpy(chan, dst_addr, src_addr, size,
DMA_CTRL_ACK);
@@ -77,13 +78,22 @@ static int catpt_dma_memcpy(struct catpt_dev *cdev, struct dma_chan *chan,
catpt_updatel_shim(cdev, HMDC,
CATPT_HMDC_HDDA(CATPT_DMA_DEVID, chan->chan_id),
CATPT_HMDC_HDDA(CATPT_DMA_DEVID, chan->chan_id));
- dmaengine_submit(desc);
+
+ ret = dma_submit_error(dmaengine_submit(desc));
+ if (ret) {
+ dev_err(cdev->dev, "submit tx failed: %d\n", ret);
+ goto clear_hdda;
+ }
+
status = dma_wait_for_async_tx(desc);
+ ret = (status == DMA_COMPLETE) ? 0 : -EPROTO;
+
+clear_hdda:
/* regardless of status, disable access to HOST memory in demand mode */
catpt_updatel_shim(cdev, HMDC,
CATPT_HMDC_HDDA(CATPT_DMA_DEVID, chan->chan_id), 0);
- return (status == DMA_COMPLETE) ? 0 : -EPROTO;
+ return ret;
}
int catpt_dma_memcpy_todsp(struct catpt_dev *cdev, struct dma_chan *chan,
After calling dmaengine_submit(), the submitted transfer descriptor belongs to the DMA engine. Pointer to that descriptor may no longer be valid after the call and should be tested before awaiting transfer completion. Reported-by: Kevin Tian <kevin.tian@intel.com> Suggested-by: Dave Jiang <dave.jiang@intel.com> Fixes: 4fac9b31d0b9 ("ASoC: Intel: Add catpt base members") Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com> --- sound/soc/intel/catpt/dsp.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-)