diff options
| -rw-r--r-- | drivers/dma/mmp_tdma.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c index fa00665efd9d..1597f6ebf335 100644 --- a/drivers/dma/mmp_tdma.c +++ b/drivers/dma/mmp_tdma.c @@ -427,8 +427,10 @@ static struct dma_async_tx_descriptor *mmp_tdma_prep_dma_cyclic( int num_periods = buf_len / period_len; int i = 0, buf = 0; - if (tdmac->status != DMA_COMPLETE) + if (tdmac->status != DMA_COMPLETE) { + dev_err(tdmac->dev, "controller busy"); return NULL; + } if (period_len > TDMA_MAX_XFER_BYTES) { dev_err(tdmac->dev, |