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dmaengine: plx_dma: Move spin_lock_bh() to spin_lock()
It is unnecessary to call spin_lock_bh() if you are already in a tasklet. Signed-off-by: Yunbo Yu <yuyunbo519@gmail.com> Reviewed-by: Logan Gunthorpe <logang@deltatee.com> Link: https://lore.kernel.org/r/20220418142021.1241558-1-yuyunbo519@gmail.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
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1 changed files with 2 additions and 2 deletions
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@ -137,7 +137,7 @@ static void plx_dma_process_desc(struct plx_dma_dev *plxdev)
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struct plx_dma_desc *desc;
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struct plx_dma_desc *desc;
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u32 flags;
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u32 flags;
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spin_lock_bh(&plxdev->ring_lock);
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spin_lock(&plxdev->ring_lock);
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while (plxdev->tail != plxdev->head) {
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while (plxdev->tail != plxdev->head) {
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desc = plx_dma_get_desc(plxdev, plxdev->tail);
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desc = plx_dma_get_desc(plxdev, plxdev->tail);
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@ -165,7 +165,7 @@ static void plx_dma_process_desc(struct plx_dma_dev *plxdev)
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plxdev->tail++;
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plxdev->tail++;
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}
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}
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spin_unlock_bh(&plxdev->ring_lock);
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spin_unlock(&plxdev->ring_lock);
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}
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}
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static void plx_dma_abort_desc(struct plx_dma_dev *plxdev)
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static void plx_dma_abort_desc(struct plx_dma_dev *plxdev)
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