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dmaengine: tegra-apb: Remove duplicated pending_sg_req checks

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There are few place in the code which check whether pending_sg_req list is
empty despite of the check already being done. Let's remove the duplicated
checks to keep code clean.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://lore.kernel.org/r/20200209163356.6439-12-digetx@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Dmitry Osipenko 2020-02-09 19:33:48 +03:00 committed by Vinod Koul
parent a75013a5a1
commit d8396c0576
1 changed files with 0 additions and 12 deletions
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12
drivers/dma/tegra20-apb-dma.c
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@ -504,9 +504,6 @@ static void tdc_start_head_req(struct tegra_dma_channel *tdc)
{
struct tegra_dma_sg_req *sg_req;
if (list_empty(&tdc->pending_sg_req))
return;
sg_req = list_first_entry(&tdc->pending_sg_req, typeof(*sg_req), node);
tegra_dma_start(tdc, sg_req);
sg_req->configured = true;
@ -518,9 +515,6 @@ static void tdc_configure_next_head_desc(struct tegra_dma_channel *tdc)
{
struct tegra_dma_sg_req *hsgreq, *hnsgreq;
if (list_empty(&tdc->pending_sg_req))
return;
hsgreq = list_first_entry(&tdc->pending_sg_req, typeof(*hsgreq), node);
if (!list_is_last(&hsgreq->node, &tdc->pending_sg_req)) {
hnsgreq = list_first_entry(&hsgreq->node, typeof(*hnsgreq),
@ -567,12 +561,6 @@ 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