The pending_sg_req list can't ever be empty because:
1. If it was empty, then handle_cont_sngl_cycle_dma_done() shall crash
before of handle_continuous_head_request() invocation.
2. The handle_cont_sngl_cycle_dma_done() can't happen after stopping DMA.
Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
---
drivers/dma/tegra20-apb-dma.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
index 62d181bd5e62..c7dc27ef1856 100644
--- a/drivers/dma/tegra20-apb-dma.c
+++ b/drivers/dma/tegra20-apb-dma.c
@@ -564,12 +564,6 @@ static bool handle_continuous_head_request(struct tegra_dma_channel *tdc,
{
struct tegra_dma_sg_req *hsgreq;
- if (list_empty(&tdc->pending_sg_req)) {
- dev_err(tdc2dev(tdc), "DMA is running without req\n");
- tegra_dma_stop(tdc);
- return false;
- }
-
/*
* Check that head req on list should be in flight.
* If it is not in flight then abort transfer as
--
2.24.0
