The code has been in a irq-disabled context since it is hard IRQ. There
is no necessity to do it again.
Signed-off-by: Tian Tao <tiantao6@xxxxxxxxxxxxx>
---
drivers/usb/mtu3/mtu3_core.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c
index b3b4599..a6d7684 100644
--- a/drivers/usb/mtu3/mtu3_core.c
+++ b/drivers/usb/mtu3/mtu3_core.c
@@ -745,10 +745,9 @@ static irqreturn_t mtu3_u2_common_isr(struct mtu3 *mtu)
static irqreturn_t mtu3_irq(int irq, void *data)
{
struct mtu3 *mtu = (struct mtu3 *)data;
- unsigned long flags;
u32 level1;
- spin_lock_irqsave(&mtu->lock, flags);
+ spin_lock(&mtu->lock);
/* U3D_LV1ISR is RU */
level1 = mtu3_readl(mtu->mac_base, U3D_LV1ISR);
@@ -769,7 +768,7 @@ static irqreturn_t mtu3_irq(int irq, void *data)
if (level1 & QMU_INTR)
mtu3_qmu_isr(mtu);
- spin_unlock_irqrestore(&mtu->lock, flags);
+ spin_unlock(&mtu->lock);
return IRQ_HANDLED;
}
--
2.7.4
