This patch includes fixing s3c_rtc_setaie() function for Samsung SoCs. [PATCH 1/3] rtc: rtc-s3c: Fix return type and argument of s3c_rtc_setaie [PATCH 2/3] rtc: rtc-s3c: Add spin_lock_irq in s3c_rtc_setaie [PATCH 3/3] rtc: rtc-s3c: Change set alarm interrupt method in s3c_rtc_setaie