diff options
| author | Barry Song <21cnbao@gmail.com> | 2018-08-17 06:03:43 -0700 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2018-09-03 16:24:05 +0530 |
| commit | d8570d018f69de60ec65790083767fd2e44a6c7a (patch) | |
| tree | f8547f1a2c3df75c2aac055fd74136f81a794b0f | |
| parent | 5b394b2ddf0347bef56e50c69a58773c94343ff3 (diff) | |
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>
| -rw-r--r-- | drivers/dma/at_xdmac.c | 4 |
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); |