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authorLinus Torvalds <torvalds@linux-foundation.org>2013-09-09 16:08:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-09-09 16:08:13 -0700
commita35c6322e52c550b61a04a44df27d22394ee0a2c (patch)
treeda74b2167097281f38ddffcb13b7b43861ce931f /drivers/cpuidle/Kconfig.arm
parentbef4a0ab984662d4ccd68d431a7c4ef3daebcb43 (diff)
parent158a71f83800f07c0da0f0159d2670bdf4bdd852 (diff)
Merge tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver update from Kevin Hilman: "This contains the ARM SoC related driver updates for v3.12. The only thing this cycle are core PM updates and CPUidle support for ARM's TC2 big.LITTLE development platform" * tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: cpuidle: big.LITTLE: vexpress-TC2 CPU idle driver ARM: vexpress: tc2: disable GIC CPU IF in tc2_pm_suspend drivers: irq-chip: irq-gic: introduce gic_cpu_if_down()
Diffstat (limited to 'drivers/cpuidle/Kconfig.arm')
-rw-r--r--drivers/cpuidle/Kconfig.arm10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/cpuidle/Kconfig.arm b/drivers/cpuidle/Kconfig.arm
index b3302193c15a..8e3660322308 100644
--- a/drivers/cpuidle/Kconfig.arm
+++ b/drivers/cpuidle/Kconfig.arm
@@ -27,3 +27,13 @@ config ARM_U8500_CPUIDLE
help
Select this to enable cpuidle for ST-E u8500 processors
+config CPU_IDLE_BIG_LITTLE
+ bool "Support for ARM big.LITTLE processors"
+ depends on ARCH_VEXPRESS_TC2_PM
+ select ARM_CPU_SUSPEND
+ select CPU_IDLE_MULTIPLE_DRIVERS
+ help
+ Select this option to enable CPU idle driver for big.LITTLE based
+ ARM systems. Driver manages CPUs coordination through MCPM and
+ define different C-states for little and big cores through the
+ multiple CPU idle drivers infrastructure.