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ARM: exynos_defconfig: Enable cpufreq-dt driver

Message ID 1439259354-32055-1-git-send-email-k.kozlowski@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Krzysztof Kozlowski Aug. 11, 2015, 2:15 a.m. UTC
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(+)

Comments

Javier Martinez Canillas Aug. 11, 2015, 5:54 a.m. UTC | #1
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,
kgene@kernel.org Aug. 11, 2015, 7:51 a.m. UTC | #2
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
diff mbox

Patch

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