* [PATCH] ARM: exynos_defconfig: Enable cpufreq-dt driver
@ 2015-08-11 2:15 Krzysztof Kozlowski
2015-08-11 5:54 ` Javier Martinez Canillas
0 siblings, 1 reply; 3+ messages in thread
From: Krzysztof Kozlowski @ 2015-08-11 2:15 UTC (permalink / raw)
To: linux-arm-kernel
With the latest patches the cpufreq-dt can be used on multiple
Exynos SoCs: 3250, 4210, 4212, 4412 and 5250.
Enable it along with default ondemand governor to conserve the energy,
reduce temperature while maintaining acceptable performance.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
---
arch/arm/configs/exynos_defconfig | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig
index 67965cedeb69..2263cd94cb93 100644
--- a/arch/arm/configs/exynos_defconfig
+++ b/arch/arm/configs/exynos_defconfig
@@ -27,6 +27,8 @@ CONFIG_ARM_APPENDED_DTB=y
CONFIG_ARM_ATAG_DTB_COMPAT=y
CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc mem=256M"
CONFIG_CPU_FREQ=y
+CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
+CONFIG_CPUFREQ_DT=y
CONFIG_CPU_IDLE=y
CONFIG_ARM_EXYNOS_CPUIDLE=y
CONFIG_VFP=y
--
1.9.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH] ARM: exynos_defconfig: Enable cpufreq-dt driver
2015-08-11 2:15 [PATCH] ARM: exynos_defconfig: Enable cpufreq-dt driver Krzysztof Kozlowski
@ 2015-08-11 5:54 ` Javier Martinez Canillas
2015-08-11 7:51 ` Kukjin Kim
0 siblings, 1 reply; 3+ messages in thread
From: Javier Martinez Canillas @ 2015-08-11 5:54 UTC (permalink / raw)
To: linux-arm-kernel
Hello Krzysztof,
On 08/11/2015 04:15 AM, Krzysztof Kozlowski wrote:
> With the latest patches the cpufreq-dt can be used on multiple
> Exynos SoCs: 3250, 4210, 4212, 4412 and 5250.
>
> Enable it along with default ondemand governor to conserve the energy,
> reduce temperature while maintaining acceptable performance.
>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
> ---
> arch/arm/configs/exynos_defconfig | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig
> index 67965cedeb69..2263cd94cb93 100644
> --- a/arch/arm/configs/exynos_defconfig
> +++ b/arch/arm/configs/exynos_defconfig
> @@ -27,6 +27,8 @@ CONFIG_ARM_APPENDED_DTB=y
> CONFIG_ARM_ATAG_DTB_COMPAT=y
> CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc mem=256M"
> CONFIG_CPU_FREQ=y
> +CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
> +CONFIG_CPUFREQ_DT=y
> CONFIG_CPU_IDLE=y
> CONFIG_ARM_EXYNOS_CPUIDLE=y
> CONFIG_VFP=y
>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Best regards,
--
Javier Martinez Canillas
Open Source Group
Samsung Research America
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH] ARM: exynos_defconfig: Enable cpufreq-dt driver
2015-08-11 5:54 ` Javier Martinez Canillas
@ 2015-08-11 7:51 ` Kukjin Kim
0 siblings, 0 replies; 3+ messages in thread
From: Kukjin Kim @ 2015-08-11 7:51 UTC (permalink / raw)
To: linux-arm-kernel
Javier Martinez Canillas wrote:
>
> Hello Krzysztof,
>
> On 08/11/2015 04:15 AM, Krzysztof Kozlowski wrote:
> > With the latest patches the cpufreq-dt can be used on multiple
> > Exynos SoCs: 3250, 4210, 4212, 4412 and 5250.
> >
> > Enable it along with default ondemand governor to conserve the energy,
> > reduce temperature while maintaining acceptable performance.
> >
> > Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
> > ---
> > arch/arm/configs/exynos_defconfig | 2 ++
> > 1 file changed, 2 insertions(+)
> >
> > diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig
> > index 67965cedeb69..2263cd94cb93 100644
> > --- a/arch/arm/configs/exynos_defconfig
> > +++ b/arch/arm/configs/exynos_defconfig
> > @@ -27,6 +27,8 @@ CONFIG_ARM_APPENDED_DTB=y
> > CONFIG_ARM_ATAG_DTB_COMPAT=y
> > CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200
> init=/linuxrc mem=256M"
> > CONFIG_CPU_FREQ=y
> > +CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
> > +CONFIG_CPUFREQ_DT=y
> > CONFIG_CPU_IDLE=y
> > CONFIG_ARM_EXYNOS_CPUIDLE=y
> > CONFIG_VFP=y
> >
>
> Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
>
Thanks, applied.
- Kukjin
^ permalink raw reply [flat|nested] 3+ messages in thread
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2015-08-11 2:15 [PATCH] ARM: exynos_defconfig: Enable cpufreq-dt driver Krzysztof Kozlowski
2015-08-11 5:54 ` Javier Martinez Canillas
2015-08-11 7:51 ` Kukjin Kim
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