kernel: mvebu: enable tickless idle

Switch to NO_HZ_IDLE for energy saving. Also enable Menu cpuidle
governor for tickless systems.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Signed-off-by: Igor Pecovnik <igor@armbian.com>

Author: neheb

config/kernel/linux-mvebu-current.config

@@ -3,8 +3,9 @@
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 CONFIG_USELIB=y
-CONFIG_HZ_PERIODIC=y
 CONFIG_NO_HZ=y
+CONFIG_NO_HZ_COMMON=y
+CONFIG_NO_HZ_IDLE=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_BPF_JIT=y
 # CONFIG_BPF_UNPRIV_DEFAULT_OFF is not set

config/kernel/linux-mvebu-edge.config

@@ -3,8 +3,9 @@
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 CONFIG_USELIB=y
-CONFIG_HZ_PERIODIC=y
 CONFIG_NO_HZ=y
+CONFIG_NO_HZ_COMMON=y
+CONFIG_NO_HZ_IDLE=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_BPF_JIT=y
 # CONFIG_BPF_UNPRIV_DEFAULT_OFF is not set
@@ -63,7 +64,7 @@ CONFIG_ARM_ARMADA_37XX_CPUFREQ=m
 CONFIG_ARM_ARMADA_8K_CPUFREQ=m
 CONFIG_ARM_SCMI_CPUFREQ=m
 CONFIG_CPU_IDLE=y
-CONFIG_CPU_IDLE_GOV_LADDER=y
+CONFIG_CPU_IDLE_GOV_MENU=y
 CONFIG_ARM_CPUIDLE=y
 CONFIG_ARM_MVEBU_V7_CPUIDLE=y
 CONFIG_VFP=y

config/kernel/linux-mvebu64-current.config

@@ -5,6 +5,8 @@ CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 CONFIG_USELIB=y
 CONFIG_NO_HZ=y
+CONFIG_NO_HZ_COMMON=y
+CONFIG_NO_HZ_IDLE=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_BPF_SYSCALL=y
 CONFIG_BPF_JIT=y
@@ -59,7 +61,7 @@ CONFIG_SETEND_EMULATION=y
 CONFIG_RANDOMIZE_BASE=y
 CONFIG_CMDLINE="console=ttyAMA0"
 CONFIG_HIBERNATION=y
-CONFIG_CPU_IDLE_GOV_LADDER=y
+CONFIG_CPU_IDLE_GOV_MENU=y
 CONFIG_CPU_FREQ=y
 CONFIG_CPU_FREQ_STAT=y
 CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y

config/kernel/linux-mvebu64-edge.config

@@ -4,6 +4,8 @@ CONFIG_BUILD_SALT="y"
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 CONFIG_NO_HZ=y
+CONFIG_NO_HZ_COMMON=y
+CONFIG_NO_HZ_IDLE=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_BPF_SYSCALL=y
 CONFIG_BPF_JIT=y
@@ -56,7 +58,7 @@ CONFIG_SETEND_EMULATION=y
 CONFIG_RANDOMIZE_BASE=y
 CONFIG_CMDLINE="console=ttyAMA0"
 CONFIG_HIBERNATION=y
-CONFIG_CPU_IDLE_GOV_LADDER=y
+CONFIG_CPU_IDLE_GOV_MENU=y
 CONFIG_CPU_FREQ=y
 CONFIG_CPU_FREQ_STAT=y
 CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y