[PATCH] hwmon: (npcm750-pwm-fan): replace spin_lock_irqsave by spin_lock in hard IRQ

[Tian Tao]

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 at hisilicon.com>
---
 drivers/hwmon/npcm750-pwm-fan.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/hwmon/npcm750-pwm-fan.c b/drivers/hwmon/npcm750-pwm-fan.c
index 11a2860..6c27af1 100644
--- a/drivers/hwmon/npcm750-pwm-fan.c
+++ b/drivers/hwmon/npcm750-pwm-fan.c
@@ -481,12 +481,11 @@ static inline void npcm7xx_check_cmp(struct npcm7xx_pwm_fan_data *data,
 static irqreturn_t npcm7xx_fan_isr(int irq, void *dev_id)
 {
 	struct npcm7xx_pwm_fan_data *data = dev_id;
-	unsigned long flags;
 	int module;
 	u8 flag;
 
 	module = irq - data->fan_irq[0];
-	spin_lock_irqsave(&data->fan_lock[module], flags);
+	spin_lock(&data->fan_lock[module]);
 
 	flag = ioread8(NPCM7XX_FAN_REG_TICTRL(data->fan_base, module));
 	if (flag > 0) {
@@ -496,7 +495,7 @@ static irqreturn_t npcm7xx_fan_isr(int irq, void *dev_id)
 		return IRQ_HANDLED;
 	}
 
-	spin_unlock_irqrestore(&data->fan_lock[module], flags);
+	spin_unlock(&data->fan_lock[module]);
 
 	return IRQ_NONE;
 }
-- 
2.7.4