init.common.rc: boost UFS during boot
Before:
SystemServer_start : 6.5916 0.14159
SystemUi_start : 9.646 0.11627
system_server_ready : 10.341 0.16571
After:
SystemServer_start : 6.5465 0.17295
SystemUi_start : 9.5017 0.13355
system_server_ready : 10.13 0.17956
Bug: 63644084
Test: 10 boot with packages/services/Car/tools/bootanalyze/bootanalyze.py
Change-Id: I5509629bba6cddb35bb72d0f48283e2bf51cebd3
diff --git a/init.common.rc b/init.common.rc
index 142beec..2035fd8 100644
--- a/init.common.rc
+++ b/init.common.rc
@@ -13,6 +13,11 @@
chmod 0755 /sys/kernel/debug
on init
+ # Disable UFS powersaving
+ write /sys/devices/soc/624000.ufshc/clkscale_enable 0
+ write /sys/devices/soc/624000.ufshc/clkgate_enable 0
+ write /sys/devices/soc/624000.ufshc/624000.ufshc:ufs_variant/pm_qos_enable 0
+
# We have vendor/ as early mount so we can start qseecomd earlier
# early mount partions e.g. vendor/ will be mounted in init first stage
# see b/27805372
@@ -744,6 +749,11 @@
keycodes 114 115 116
on property:sys.boot_completed=1
+ # Enable UFS powersaving
+ write /sys/devices/soc/624000.ufshc/clkscale_enable 1
+ write /sys/devices/soc/624000.ufshc/clkgate_enable 1
+ write /sys/devices/soc/624000.ufshc/624000.ufshc:ufs_variant/pm_qos_enable 1
+
# Enable ZRAM on boot_complete
swapon_all /vendor/etc/fstab.${ro.hardware}
