Running in hardIRQ, disabling IRQ is redundant since hardIRQ has disabled
IRQ. This patch removes the irqsave and irqstore to save some instruction
cycles.
Signed-off-by: Barry Song <song.bao.hua@xxxxxxxxxxxxx>
---
drivers/dma/milbeaut-xdmac.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/dma/milbeaut-xdmac.c b/drivers/dma/milbeaut-xdmac.c
index 85a597228fb0..584c931e807a 100644
--- a/drivers/dma/milbeaut-xdmac.c
+++ b/drivers/dma/milbeaut-xdmac.c
@@ -160,10 +160,9 @@ static irqreturn_t milbeaut_xdmac_interrupt(int irq, void *dev_id)
{
struct milbeaut_xdmac_chan *mc = dev_id;
struct milbeaut_xdmac_desc *md;
- unsigned long flags;
u32 val;
- spin_lock_irqsave(&mc->vc.lock, flags);
+ spin_lock(&mc->vc.lock);
/* Ack and Stop */
val = FIELD_PREP(M10V_XDDSD_IS_MASK, 0x0);
@@ -177,7 +176,7 @@ static irqreturn_t milbeaut_xdmac_interrupt(int irq, void *dev_id)
milbeaut_xdmac_start(mc);
out:
- spin_unlock_irqrestore(&mc->vc.lock, flags);
+ spin_unlock(&mc->vc.lock);
return IRQ_HANDLED;
}
--
2.25.1
