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authorYunbo Yu <yuyunbo519@gmail.com>2022-04-18 22:20:21 +0800
committerVinod Koul <vkoul@kernel.org>2022-04-20 15:59:33 +0530
commit1d05a0bdb420ddb3e2d7f39cdc24ff16d6902f55 (patch)
tree5f6560c43408e999d926960fe22f08ccd127c4f7
parent766b540df8a374f75d7ad7084da026439c107825 (diff)
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>
-rw-r--r--drivers/dma/plx_dma.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/dma/plx_dma.c b/drivers/dma/plx_dma.c
index 1ffcb5ca9788..12725fa1655f 100644
--- a/drivers/dma/plx_dma.c
+++ b/drivers/dma/plx_dma.c
@@ -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)