--- a/drivers/rtc/rtc-s3c.c~rtc-rtc-s3c-fix-no-occurrence-of-alarm-interrupt-fix
+++ a/drivers/rtc/rtc-s3c.c
@@ -50,10 +50,10 @@ static bool wake_en;
 static enum s3c_cpu_type s3c_rtc_cpu_type;
 
 static DEFINE_SPINLOCK(s3c_rtc_pie_lock);
-static DEFINE_SPINLOCK(s3c_rtc_alarm_clk_lock);
 
 static void s3c_rtc_alarm_clk_enable(bool enable)
 {
+	static DEFINE_SPINLOCK(s3c_rtc_alarm_clk_lock);
 	static bool alarm_clk_enabled;
 	unsigned long irq_flags;