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android_device_samsung_klte-common
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klte-common: HAXX: "Fix" race condition in init 

* In particular, the RIL on CDMA variants seems to only work reliably
  on first boot after flash, when things are all slowed down while
  dexopting. After that first boot, it's hit and miss whether a
  particular boot will have function RIL
* Slow things down by limiting ourselves to a single CPU on boot,
  bringing the rest online when boot has completed

Change-Id: Ie194740cf0487268dc0dbd3377bbb790cdd1b04d
This commit is contained in:
Paul Keith 2018-01-13 02:20:23 -07:00 committed by Kevin F. Haggerty
parent a466cb6ca6
commit 31509201c1
2 changed files with 12 additions and 8 deletions
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2
BoardConfigCommon.mk
View File

@ -54,7 +54,7 @@ DEVICE_MANIFEST_FILE += $(COMMON_PATH)/manifest.xml
# Kernel
BOARD_KERNEL_BASE := 0x00000000
BOARD_KERNEL_CMDLINE := console=null androidboot.hardware=qcom user_debug=31 msm_rtb.filter=0x37 ehci-hcd.park=3 zcache.enabled=1 zcache.compressor=lz4
BOARD_KERNEL_CMDLINE := console=null androidboot.hardware=qcom user_debug=31 msm_rtb.filter=0x37 ehci-hcd.park=3 zcache.enabled=1 zcache.compressor=lz4 maxcpus=1
BOARD_KERNEL_IMAGE_NAME := zImage
BOARD_KERNEL_PAGESIZE := 2048
BOARD_KERNEL_SEPARATED_DT := true

18
rootdir/etc/init.qcom.rc
View File

@ -955,6 +955,17 @@ on property:sys.boot_completed=1
write /sys/module/msm_pm/modes/cpu3/retention/suspend_enabled 1
write /sys/module/msm_thermal/core_control/enabled 0
# Bring all CPUs online, and set node permissions
write /sys/devices/system/cpu/cpu1/online 1
write /sys/devices/system/cpu/cpu2/online 1
write /sys/devices/system/cpu/cpu3/online 1
chmod 664 /sys/devices/system/cpu/cpu1/online
chmod 664 /sys/devices/system/cpu/cpu2/online
chmod 664 /sys/devices/system/cpu/cpu3/online
chown root system /sys/devices/system/cpu/cpu1/online
chown root system /sys/devices/system/cpu/cpu2/online
chown root system /sys/devices/system/cpu/cpu3/online
# Configure the CPU governor
write /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor interactive
write /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor interactive
@ -973,13 +984,6 @@ on property:sys.boot_completed=1
write /sys/devices/system/cpu/cpu2/cpufreq/scaling_min_freq 300000
write /sys/devices/system/cpu/cpu3/cpufreq/scaling_min_freq 300000
chown root system /sys/devices/system/cpu/cpu1/online
chown root system /sys/devices/system/cpu/cpu2/online
chown root system /sys/devices/system/cpu/cpu3/online
chmod 664 /sys/devices/system/cpu/cpu1/online
chmod 664 /sys/devices/system/cpu/cpu2/online
chmod 664 /sys/devices/system/cpu/cpu3/online
write /sys/module/msm_thermal/core_control/enabled 1
# Configure the cpu-boost module