diff options
| author | Zhaoxiong Yuan <yuanzhx326@gmail.com> | 2018-09-07 22:02:10 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2018-09-11 10:43:40 +0300 |
| commit | 7645d26f3b35c2bd6e0e1d3867636e5bdad97b1b (patch) | |
| tree | cfbc6641e07d5f14f3d56cf517643d37c1e49ed3 /drivers/dma | |
| parent | 5b394b2ddf0347bef56e50c69a58773c94343ff3 (diff) | |
| download | linux-7645d26f3b35c2bd6e0e1d3867636e5bdad97b1b.tar.xz | |
dmaengine: idma64: replace spin_lock_irqsave with spin_lock
idma64_chan_irq() is invoked in hardirq handle function, it is unnecessary
to call spin_lock_irqsave.
Signed-off-by: Zhaoxiong Yuan <yuanzhx326@gmail.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/idma64.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/dma/idma64.c b/drivers/dma/idma64.c index 1fbf9cb9b742..5b9c1566ad73 100644 --- a/drivers/dma/idma64.c +++ b/drivers/dma/idma64.c @@ -142,9 +142,8 @@ static void idma64_chan_irq(struct idma64 *idma64, unsigned short c, { struct idma64_chan *idma64c = &idma64->chan[c]; struct idma64_desc *desc; - unsigned long flags; - spin_lock_irqsave(&idma64c->vchan.lock, flags); + spin_lock(&idma64c->vchan.lock); desc = idma64c->desc; if (desc) { if (status_err & (1 << c)) { @@ -161,7 +160,7 @@ static void idma64_chan_irq(struct idma64 *idma64, unsigned short c, if (idma64c->desc == NULL || desc->status == DMA_ERROR) idma64_stop_transfer(idma64c); } - spin_unlock_irqrestore(&idma64c->vchan.lock, flags); + spin_unlock(&idma64c->vchan.lock); } static irqreturn_t idma64_irq(int irq, void *dev) |