hwclock.sh: improve hwclock.sh script to use UTC variable

Make UTC variable in /etc/default/rcS has effect on hwclock.sh.
This variable declares whether the Hardware Clock is kept in UTC
or local time. Default its value to "yes" and change the comment.

[YOCTO #3341]

(From OE-Core rev: 2bda4bbda3f3033cfb324778ef88f2aedad4a83b)

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 6 insertions, 5 deletions

diff --git a/meta/recipes-core/busybox/busybox_1.20.2.bb b/meta/recipes-core/busybox/busybox_1.20.2.bb
index 4c0946af1f..3e628d239e 100644
--- a/meta/recipes-core/busybox/busybox_1.20.2.bb
+++ b/meta/recipes-core/busybox/busybox_1.20.2.bb
@@ -1,5 +1,5 @@
 require busybox.inc
-PR = "r3"
+PR = "r4"
 
 SRC_URI = "http://www.busybox.net/downloads/busybox-${PV}.tar.bz2;name=tarball \
            file://B921600.patch \
diff --git a/meta/recipes-core/busybox/files/hwclock.sh b/meta/recipes-core/busybox/files/hwclock.sh
index 2e50425ba8..cc6d2862ba 100644
--- a/meta/recipes-core/busybox/files/hwclock.sh
+++ b/meta/recipes-core/busybox/files/hwclock.sh
@@ -22,6 +22,7 @@
 
 . /etc/default/rcS
 
+[ "$UTC" = "yes" ] && tz="--utc" || tz="--localtime"
 case "$1" in
         start)
                 if [ "$VERBOSE" != no ]
@@ -34,9 +35,9 @@ case "$1" in
                 then
                         if [ -z "$TZ" ]
                         then
-                           hwclock --hctosys
+                           hwclock $tz --hctosys
                         else
-                           TZ="$TZ" hwclock --hctosys
+                           TZ="$TZ" hwclock $tz --hctosys
                         fi
                 fi
 
@@ -59,7 +60,7 @@ case "$1" in
                 fi
                 if [ "$HWCLOCKACCESS" != no ]
                 then
-                        hwclock --systohc
+                        hwclock $tz --systohc
                 fi
                 if [ "$VERBOSE" != no ]
                 then
@@ -70,7 +71,7 @@ case "$1" in
         show)
                 if [ "$HWCLOCKACCESS" != no ]
                 then
-                        hwclock --show
+                        hwclock $tz --show
                 fi
                 ;;
         *)