Commit 1d05a0bd authored by Yunbo Yu's avatar Yunbo Yu Committed by Vinod Koul
Browse files

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: default avatarYunbo Yu <yuyunbo519@gmail.com>
Reviewed-by: default avatarLogan Gunthorpe <logang@deltatee.com>
Link: https://lore.kernel.org/r/20220418142021.1241558-1-yuyunbo519@gmail.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 766b540d

drivers/dma/plx_dma.c

+2 −2
Original line number Diff line number Diff line
@@ -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)