diff --git a/include/rtw_version.h b/include/rtw_version.h
index c2a1fe2..3faabc0 100644
--- a/include/rtw_version.h
+++ b/include/rtw_version.h
@@ -1,2 +1,2 @@
-#define DRIVERVERSION	"v4.3.22.9_16440.20151221_BTCOEX20151214-0700-ICE02"
+#define DRIVERVERSION	"v4.3.22.9_16440.20151221_BTCOEX20151214-0700-ICE03"
 #define BTCOEXVERSION	"BTCOEX20151214-0700"
diff --git a/os_dep/linux/ioctl_cfg80211.c b/os_dep/linux/ioctl_cfg80211.c
index 4b44a78..8251444 100644
--- a/os_dep/linux/ioctl_cfg80211.c
+++ b/os_dep/linux/ioctl_cfg80211.c
@@ -347,7 +347,11 @@ rtw_cfg80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = {
 
 static u64 rtw_get_systime_us(void)
 {
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0))
+	struct timespec64 ts;
+	ktime_get_boottime_ts64(&ts);
+	return ((u64)ts.tv_sec*1000000) + ts.tv_nsec / 1000;
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
 	struct timespec ts;
 	get_monotonic_boottime(&ts);
 	return ((u64)ts.tv_sec*1000000) + ts.tv_nsec / 1000;