ctrl2 = ctrl2 & (~(1 << 16));

Author: lygstate

bsp/w60x/drivers/drv_rtc.c

@@ -55,7 +55,7 @@ static int wm_set_timestamp(time_t timestamp)
     gmtime_r(&timestamp, &tblock);
 
     ctrl2  = tls_reg_read32(HR_PMU_RTC_CTRL2);  /* disable */
-    ctrl2 &= (int)(~(1 << 16));
+    ctrl2 = ctrl2 & (~(1 << 16));
     tls_reg_write32(HR_PMU_RTC_CTRL2, ctrl2);
 
     ctrl1 |= tblock.tm_sec;