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authorBarry Song <21cnbao@gmail.com>2018-08-17 16:03:43 +0300
committerVinod Koul <vkoul@kernel.org>2018-09-03 13:54:05 +0300
commitd8570d018f69de60ec65790083767fd2e44a6c7a (patch)
treef8547f1a2c3df75c2aac055fd74136f81a794b0f /drivers/dma/at_xdmac.c
parent5b394b2ddf0347bef56e50c69a58773c94343ff3 (diff)
downloadlinux-d8570d018f69de60ec65790083767fd2e44a6c7a.tar.xz
dmaengine: at_xdmac: move spin_lock_bh to spin_lock in tasklet
as you are already in a tasklet, it is unnecessary to call spin_lock_bh. Signed-off-by: Barry Song <21cnbao@gmail.com> Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com> Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/at_xdmac.c')
-rw-r--r--drivers/dma/at_xdmac.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index 4bf72561667c..4e557684f792 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -1600,7 +1600,7 @@ static void at_xdmac_tasklet(unsigned long data)
if (atchan->status & AT_XDMAC_CIS_ROIS)
dev_err(chan2dev(&atchan->chan), "request overflow error!!!");
- spin_lock_bh(&atchan->lock);
+ spin_lock(&atchan->lock);
desc = list_first_entry(&atchan->xfers_list,
struct at_xdmac_desc,
xfer_node);
@@ -1610,7 +1610,7 @@ static void at_xdmac_tasklet(unsigned long data)
txd = &desc->tx_dma_desc;
at_xdmac_remove_xfer(atchan, desc);
- spin_unlock_bh(&atchan->lock);
+ spin_unlock(&atchan->lock);
if (!at_xdmac_chan_is_cyclic(atchan)) {
dma_cookie_complete(txd);