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dma: tegra: use list_move_tail instead of list_del/list_add_tail

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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>
This commit is contained in:
Wei Yongjun 2012-09-05 15:08:56 +08:00 committed by Vinod Koul
parent 5e97fa9149
commit 2cc44e6318
1 changed files with 2 additions and 4 deletions
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6
drivers/dma/tegra20-apb-dma.c
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@ -475,8 +475,7 @@ static void tegra_dma_abort_all(struct tegra_dma_channel *tdc)
while (!list_empty(&tdc->pending_sg_req)) {
sgreq = list_first_entry(&tdc->pending_sg_req,
typeof(*sgreq), node);
list_del(&sgreq->node);
list_add_tail(&sgreq->node, &tdc->free_sg_req);
list_move_tail(&sgreq->node, &tdc->free_sg_req);
if (sgreq->last_sg) {
dma_desc = sgreq->dma_desc;
dma_desc->dma_status = DMA_ERROR;
@ -570,8 +569,7 @@ static void handle_cont_sngl_cycle_dma_done(struct tegra_dma_channel *tdc,
/* If not last req then put at end of pending list */
if (!list_is_last(&sgreq->node, &tdc->pending_sg_req)) {
list_del(&sgreq->node);
list_add_tail(&sgreq->node, &tdc->pending_sg_req);
list_move_tail(&sgreq->node, &tdc->pending_sg_req);
sgreq->configured = false;
st = handle_continuous_head_request(tdc, sgreq, to_terminate);
if (!st)