move /dev_host setup from S06InitSystem to S01InitHost and added rtc

device node symlinking for the LXC/OCI platform case so that upon
startup an already available RTC clock can be correctly identified.

buildroot-external/overlay/base/etc/init.d/S01InitHost

@@ -206,6 +206,23 @@ identify_host() {
   fi
 }
 
+init_host() {
+  # setup /dev_host for OCI/Docker and LXC environments (excluding HA)
+  if [[ "${HM_HOST}" =~ oci\|lxc ]] &&
+     [[ -z "${HM_RUNNING_IN_HA}" ]]; then
+    # To avoid sharing the whole host /dev with the container we
+    # mount devtmps in /dev_host and symlink the required devices
+    mount -o noatime -t devtmpfs devtmpfs /dev_host
+    if [[ -d "/dev_host" ]]; then
+      for device in raw-uart raw-uart1 eq3loop mmd_bidcos mmd_hmip usb rtc rtc0 rtc1; do
+        if [[ ! -e "/dev/${device}" ]]; then
+          ln -s "/dev_host/${device}" "/dev/${device}"
+        fi
+      done
+    fi
+  fi
+}
+
 start() {
   echo -n "Identifying host system: "
 
@@ -219,6 +236,9 @@ start() {
   # run identify routine
   identify_host
 
+  # run init host routine
+  init_host
+
   # save all HM_ env variables
   set | grep '^HM_' >/var/hm_mode
 

buildroot-external/overlay/base/etc/init.d/S06InitSystem

@@ -33,21 +33,6 @@ init_system() {
   mkdir -p /var/empty
   chmod 0700 /var/empty
 
-  # setup /dev_host for OCI/Docker and LXC environments (excluding HA)
-  if [[ "${HM_HOST}" =~ oci\|lxc ]] &&
-     [[ -z "${HM_RUNNING_IN_HA}" ]]; then
-    # To avoid sharing the whole host /dev with the container we
-    # mount devtmps in /dev_host and symlink the required devices
-    mount -o noatime -t devtmpfs devtmpfs /dev_host
-    if [[ -d "/dev_host" ]]; then
-      for device in raw-uart raw-uart1 eq3loop mmd_bidcos mmd_hmip usb; do
-        if [[ ! -e "/dev/${device}" ]]; then
-          ln -s "/dev_host/${device}" "/dev/${device}"
-        fi
-      done
-    fi
-  fi
-
   # create /media/usbX directories for automounting USB devices
   for i in $(seq 1 8); do
     mkdir -p "/media/usb${i}"