rcar-gen3: systemd: WORKAROUND to fix timeout dev-ttySN.device

This commit makes backporting changes from upstream systemd to fix
timeout dev-ttySN.device by following:

[systemd]
 - Set journal RuntimeMaxSize to 64M as default [1]

[systemd-serialgetty]
 - Use the default RestartSec [2]

[1] From Poky rev: d41968d8a8bd572b2892762f7092868950465014
[2] From Systemd rev: 4bf04322b8b7ecca4f3d65cfc642d0ac16356129

Signed-off-by: Thuy Tran <thuy.tran.xh@rvc.renesas.com>
Signed-off-by: Takamitsu Honda <takamitsu.honda.pv@renesas.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/meta-rcar-gen3/recipes-core/systemd/systemd-serialgetty.bbappend b/meta-rcar-gen3/recipes-core/systemd/systemd-serialgetty.bbappend
new file mode 100644
index 0000000..f8d6e66
--- /dev/null
+++ b/meta-rcar-gen3/recipes-core/systemd/systemd-serialgetty.bbappend
@@ -0,0 +1,6 @@
+# W/A to fix serial-getty@.service timeout
+do_install_append () {
+    sed -e "/Before=getty.target/a Before=getty@tty1.service" \
+        -e "/.*RestartSec.*/d" \
+        -i ${D}${systemd_unitdir}/system/serial-getty@.service
+}