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dma: tegra: use list_move_tail instead of list_del/list_add_tail
Using list_move_tail() instead of list_del() + list_add_tail(). spatch with a semantic match is used to found this problem. (http://coccinelle.lip6.fr/) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
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5e97fa9149
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1 changed files with 2 additions and 4 deletions
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@ -475,8 +475,7 @@ static void tegra_dma_abort_all(struct tegra_dma_channel *tdc)
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while (!list_empty(&tdc->pending_sg_req)) {
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sgreq = list_first_entry(&tdc->pending_sg_req,
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typeof(*sgreq), node);
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list_del(&sgreq->node);
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list_add_tail(&sgreq->node, &tdc->free_sg_req);
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list_move_tail(&sgreq->node, &tdc->free_sg_req);
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if (sgreq->last_sg) {
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dma_desc = sgreq->dma_desc;
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dma_desc->dma_status = DMA_ERROR;
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@ -570,8 +569,7 @@ static void handle_cont_sngl_cycle_dma_done(struct tegra_dma_channel *tdc,
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/* If not last req then put at end of pending list */
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if (!list_is_last(&sgreq->node, &tdc->pending_sg_req)) {
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list_del(&sgreq->node);
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list_add_tail(&sgreq->node, &tdc->pending_sg_req);
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list_move_tail(&sgreq->node, &tdc->pending_sg_req);
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sgreq->configured = false;
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st = handle_continuous_head_request(tdc, sgreq, to_terminate);
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if (!st)
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