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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>
This commit is contained in:
Yunbo Yu 2022-04-18 22:20:21 +08:00 committed by Vinod Koul
parent 766b540df8
commit 1d05a0bdb4
1 changed files with 2 additions and 2 deletions
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4
drivers/dma/plx_dma.c
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@ -137,7 +137,7 @@ static void plx_dma_process_desc(struct plx_dma_dev *plxdev)
struct plx_dma_desc *desc;
u32 flags;
spin_lock_bh(&plxdev->ring_lock);
spin_lock(&plxdev->ring_lock);
while (plxdev->tail != plxdev->head) {
desc = plx_dma_get_desc(plxdev, plxdev->tail);
@ -165,7 +165,7 @@ static void plx_dma_process_desc(struct plx_dma_dev *plxdev)
plxdev->tail++;
}
spin_unlock_bh(&plxdev->ring_lock);
spin_unlock(&plxdev->ring_lock);
}
static void plx_dma_abort_desc(struct plx_dma_dev *plxdev)