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authorDaniel Lezcano <daniel.lezcano@linaro.org>2015-02-02 16:32:46 +0100
committerDaniel Lezcano <daniel.lezcano@linaro.org>2015-03-24 10:16:11 +0100
commit0e0870448aa134e91fafe3c39ae270561b495459 (patch)
tree9f8c5154749c5b59729ad9e681ad3c4395b9a2af
parent69e6cb3d2f356a5c88abf18a8d266c31a74cfc08 (diff)
downloadlinux-0e0870448aa134e91fafe3c39ae270561b495459.tar.bz2
ARM: cpuidle: Enable the ARM64 driver for both ARM32/ARM64
ARM32 and ARM64 have the same DT definitions and the same approaches. The generic ARM cpuidle driver can be put in common for those two architectures. Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Kevin Hilman <khilman@linaro.org> Acked-by: Rob Herring <robherring2@gmail.com> Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Tested-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
-rw-r--r--arch/arm64/configs/defconfig2
-rw-r--r--drivers/cpuidle/Kconfig7
-rw-r--r--drivers/cpuidle/Kconfig.arm28
-rw-r--r--drivers/cpuidle/Kconfig.arm6413
-rw-r--r--drivers/cpuidle/Makefile5
-rw-r--r--drivers/cpuidle/cpuidle-arm.c (renamed from drivers/cpuidle/cpuidle-arm64.c)0
6 files changed, 22 insertions, 33 deletions
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index be1f12a5a5f0..af6a452b1aac 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -48,7 +48,7 @@ CONFIG_CMDLINE="console=ttyAMA0"
# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
CONFIG_COMPAT=y
CONFIG_CPU_IDLE=y
-CONFIG_ARM64_CPUIDLE=y
+CONFIG_ARM_CPUIDLE=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
diff --git a/drivers/cpuidle/Kconfig b/drivers/cpuidle/Kconfig
index c5029c1209b4..8c7930b5a65f 100644
--- a/drivers/cpuidle/Kconfig
+++ b/drivers/cpuidle/Kconfig
@@ -29,15 +29,10 @@ config DT_IDLE_STATES
bool
menu "ARM CPU Idle Drivers"
-depends on ARM
+depends on ARM || ARM64
source "drivers/cpuidle/Kconfig.arm"
endmenu
-menu "ARM64 CPU Idle Drivers"
-depends on ARM64
-source "drivers/cpuidle/Kconfig.arm64"
-endmenu
-
menu "MIPS CPU Idle Drivers"
depends on MIPS
source "drivers/cpuidle/Kconfig.mips"
diff --git a/drivers/cpuidle/Kconfig.arm b/drivers/cpuidle/Kconfig.arm
index 8e07c9419153..21340e0be73e 100644
--- a/drivers/cpuidle/Kconfig.arm
+++ b/drivers/cpuidle/Kconfig.arm
@@ -1,10 +1,20 @@
#
# ARM CPU Idle drivers
#
+config ARM_CPUIDLE
+ bool "Generic ARM/ARM64 CPU idle Driver"
+ select DT_IDLE_STATES
+ help
+ Select this to enable generic cpuidle driver for ARM.
+ It provides a generic idle driver whose idle states are configured
+ at run-time through DT nodes. The CPUidle suspend backend is
+ initialized by calling the CPU operations init idle hook
+ provided by architecture code.
+
config ARM_BIG_LITTLE_CPUIDLE
bool "Support for ARM big.LITTLE processors"
depends on ARCH_VEXPRESS_TC2_PM || ARCH_EXYNOS
- depends on MCPM
+ depends on MCPM && !ARM64
select ARM_CPU_SUSPEND
select CPU_IDLE_MULTIPLE_DRIVERS
select DT_IDLE_STATES
@@ -16,51 +26,51 @@ config ARM_BIG_LITTLE_CPUIDLE
config ARM_CLPS711X_CPUIDLE
bool "CPU Idle Driver for CLPS711X processors"
- depends on ARCH_CLPS711X || COMPILE_TEST
+ depends on ARCH_CLPS711X && !ARM64 || COMPILE_TEST
help
Select this to enable cpuidle on Cirrus Logic CLPS711X SOCs.
config ARM_HIGHBANK_CPUIDLE
bool "CPU Idle Driver for Calxeda processors"
- depends on ARM_PSCI
+ depends on ARM_PSCI && !ARM64
select ARM_CPU_SUSPEND
help
Select this to enable cpuidle on Calxeda processors.
config ARM_KIRKWOOD_CPUIDLE
bool "CPU Idle Driver for Marvell Kirkwood SoCs"
- depends on MACH_KIRKWOOD
+ depends on MACH_KIRKWOOD && !ARM64
help
This adds the CPU Idle driver for Marvell Kirkwood SoCs.
config ARM_ZYNQ_CPUIDLE
bool "CPU Idle Driver for Xilinx Zynq processors"
- depends on ARCH_ZYNQ
+ depends on ARCH_ZYNQ && !ARM64
help
Select this to enable cpuidle on Xilinx Zynq processors.
config ARM_U8500_CPUIDLE
bool "Cpu Idle Driver for the ST-E u8500 processors"
- depends on ARCH_U8500
+ depends on ARCH_U8500 && !ARM64
help
Select this to enable cpuidle for ST-E u8500 processors
config ARM_AT91_CPUIDLE
bool "Cpu Idle Driver for the AT91 processors"
default y
- depends on ARCH_AT91
+ depends on ARCH_AT91 && !ARM64
help
Select this to enable cpuidle for AT91 processors
config ARM_EXYNOS_CPUIDLE
bool "Cpu Idle Driver for the Exynos processors"
- depends on ARCH_EXYNOS
+ depends on ARCH_EXYNOS && !ARM64
select ARCH_NEEDS_CPU_IDLE_COUPLED if SMP
help
Select this to enable cpuidle for Exynos processors
config ARM_MVEBU_V7_CPUIDLE
bool "CPU Idle Driver for mvebu v7 family processors"
- depends on ARCH_MVEBU
+ depends on ARCH_MVEBU && !ARM64
help
Select this to enable cpuidle on Armada 370, 38x and XP processors.
diff --git a/drivers/cpuidle/Kconfig.arm64 b/drivers/cpuidle/Kconfig.arm64
deleted file mode 100644
index 6effb3656735..000000000000
--- a/drivers/cpuidle/Kconfig.arm64
+++ /dev/null
@@ -1,13 +0,0 @@
-#
-# ARM64 CPU Idle drivers
-#
-
-config ARM64_CPUIDLE
- bool "Generic ARM64 CPU idle Driver"
- select DT_IDLE_STATES
- help
- Select this to enable generic cpuidle driver for ARM64.
- It provides a generic idle driver whose idle states are configured
- at run-time through DT nodes. The CPUidle suspend backend is
- initialized by calling the CPU operations init idle hook
- provided by architecture code.
diff --git a/drivers/cpuidle/Makefile b/drivers/cpuidle/Makefile
index 4d177b916f75..3ba81b1dffad 100644
--- a/drivers/cpuidle/Makefile
+++ b/drivers/cpuidle/Makefile
@@ -17,16 +17,13 @@ obj-$(CONFIG_ARM_ZYNQ_CPUIDLE) += cpuidle-zynq.o
obj-$(CONFIG_ARM_U8500_CPUIDLE) += cpuidle-ux500.o
obj-$(CONFIG_ARM_AT91_CPUIDLE) += cpuidle-at91.o
obj-$(CONFIG_ARM_EXYNOS_CPUIDLE) += cpuidle-exynos.o
+obj-$(CONFIG_ARM_CPUIDLE) += cpuidle-arm.o
###############################################################################
# MIPS drivers
obj-$(CONFIG_MIPS_CPS_CPUIDLE) += cpuidle-cps.o
###############################################################################
-# ARM64 drivers
-obj-$(CONFIG_ARM64_CPUIDLE) += cpuidle-arm64.o
-
-###############################################################################
# POWERPC drivers
obj-$(CONFIG_PSERIES_CPUIDLE) += cpuidle-pseries.o
obj-$(CONFIG_POWERNV_CPUIDLE) += cpuidle-powernv.o
diff --git a/drivers/cpuidle/cpuidle-arm64.c b/drivers/cpuidle/cpuidle-arm.c
index 1c94b88a7a7d..1c94b88a7a7d 100644
--- a/drivers/cpuidle/cpuidle-arm64.c
+++ b/drivers/cpuidle/cpuidle-arm.c