rtc: rtc-spear: replace spin_lock_irqsave by spin_lock in hard IRQ

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@hisilicon.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/1615775970-59070-1-git-send-email-tiantao6@hisilicon.com

diff --git a/drivers/rtc/rtc-spear.c b/drivers/rtc/rtc-spear.c
index 833daeb..ee721e5 100644 (file)
--- a/drivers/rtc/rtc-spear.c
+++ b/drivers/rtc/rtc-spear.c
@@ -153,12 +153,12 @@ static void rtc_wait_not_busy(struct spear_rtc_config *config)
 static irqreturn_t spear_rtc_irq(int irq, void *dev_id)
 {
        struct spear_rtc_config *config = dev_id;
-       unsigned long flags, events = 0;
+       unsigned long events = 0;
        unsigned int irq_data;
 
-       spin_lock_irqsave(&config->lock, flags);
+       spin_lock(&config->lock);
        irq_data = readl(config->ioaddr + STATUS_REG);
-       spin_unlock_irqrestore(&config->lock, flags);
+       spin_unlock(&config->lock);
 
        if ((irq_data & RTC_INT_MASK)) {
                spear_rtc_clear_interrupt(config);