Retire hwclock (BugFix) (#1134)

Retire hwclock

providers/base/units/power-management/jobs.pxu

@@ -188,10 +188,22 @@ id: power-management/rtc
 flags: also-after-suspend
 requires:
   rtc.state == 'supported'
-  executable.name == 'hwclock'
   cpuinfo.other != 'emulated by qemu'
 user: root
-command: hwclock -r
+environ: RTC_DEVICE_FILE
+command: 
+  if [[ -n "$RTC_DEVICE_FILE" ]]; then
+    rtc_path="/sys/class/rtc/${RTC_DEVICE_FILE/#\/dev\/}"
+  else
+    rtc_path="/sys/class/rtc/rtc0"
+  fi
+  if [[ -f "${rtc_path}/since_epoch" ]]; then
+    rtc_time=$(cat "${rtc_path}/since_epoch")
+    echo "RTC time: ${rtc_time} seconds since epoch."
+  else
+    echo "RTC time information not available."
+    exit 1
+  fi
 estimated_duration: 0.02
 _summary: Test that RTC functions properly (if present)
 _description:

providers/base/units/rtc/jobs.pxu

@@ -84,19 +84,18 @@ plugin: shell
 user: root
 category_id: rtc_category
 estimated_duration: 5
+environ:
 command: 
-    rtctime=$(date +"%s" -d "$( hwclock --rtc /dev/{rtc} -u)")
-    rtc_date=$(date -d "@$rtctime")
-    systime=$(date +"%s")
-    systime_date=$(date -d "@$systime")
-    result=$(("$systime" - "$rtctime"))
+    rtc_time=$(cat "/sys/class/rtc/{rtc}/since_epoch")
+    sys_time=$(date +"%s")
+    result=$(("$sys_time" - "$rtc_time"))
     if [[ "$result" -le "5" ]]; then
         echo "{rtc} Clock synchronized with System Clock"
-        echo "$rtc_date"
+        echo "RTC clock= $rtc_time"
     else
         echo "{rtc} Clock not synchronized with System Clock"
-        echo "System clock=" "$systime_date"
-        echo "RTC clock=" "$rtc_date"
+        echo "System clock= $sys_time"
+        echo "RTC clock= $rtc_time"
         exit 1
     fi
 flags: also-after-suspend