diff options
Diffstat (limited to 'drivers/dma/dmatest.c')
| -rw-r--r-- | drivers/dma/dmatest.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index f696246f57fd..0a2168a4ccb0 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -675,10 +675,16 @@ static int dmatest_func(void *data) /* * src and dst buffers are freed by ourselves below */ - if (params->polled) + if (params->polled) { flags = DMA_CTRL_ACK; - else - flags = DMA_CTRL_ACK | DMA_PREP_INTERRUPT; + } else { + if (dma_has_cap(DMA_INTERRUPT, dev->cap_mask)) { + flags = DMA_CTRL_ACK | DMA_PREP_INTERRUPT; + } else { + pr_err("Channel does not support interrupt!\n"); + goto err_pq_array; + } + } ktime = ktime_get(); while (!(kthread_should_stop() || @@ -906,6 +912,7 @@ error_unmap_continue: runtime = ktime_to_us(ktime); ret = 0; +err_pq_array: kfree(dma_pq); err_srcs_array: kfree(srcs); |