[PATCH 3/6] rtc: r7301: Replace spin_lock_irqsave with spin_lock in hard IRQ

[Xiaofei Tan]

It is redundant to do irqsave and irqrestore in hardIRQ context, where
it has been in a irq-disabled context.

Signed-off-by: Xiaofei Tan <tanxiao...@huawei.com>
---
 drivers/rtc/rtc-r7301.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/rtc/rtc-r7301.c b/drivers/rtc/rtc-r7301.c
index aaf1b95..5dbaeb7 100644
--- a/drivers/rtc/rtc-r7301.c
+++ b/drivers/rtc/rtc-r7301.c
@@ -320,11 +320,10 @@ static irqreturn_t rtc7301_irq_handler(int irq, void 
*dev_id)
 {
        struct rtc_device *rtc = dev_id;
        struct rtc7301_priv *priv = dev_get_drvdata(rtc->dev.parent);
-       unsigned long flags;
        irqreturn_t ret = IRQ_NONE;
        u8 alrm_ctrl;
 
-       spin_lock_irqsave(&priv->lock, flags);
+       spin_lock(&priv->lock);
 
        rtc7301_select_bank(priv, 1);
 
@@ -335,7 +334,7 @@ static irqreturn_t rtc7301_irq_handler(int irq, void 
*dev_id)
                rtc_update_irq(rtc, 1, RTC_IRQF | RTC_AF);
        }
 
-       spin_unlock_irqrestore(&priv->lock, flags);
+       spin_unlock(&priv->lock);
 
        return ret;
 }
-- 
2.8.1