From: Javier Martinez Canillas <javier@osg.samsung.com>
To: Krzysztof Kozlowski <k.kozlowski@samsung.com>,
Kukjin Kim <kgene@kernel.org>,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Chanwoo Choi <cw00.choi@samsung.com>
Subject: Re: [PATCH] ARM: exynos_defconfig: Enable cpufreq-dt driver
Date: Tue, 11 Aug 2015 07:54:31 +0200 [thread overview]
Message-ID: <55C98E17.9040303@osg.samsung.com> (raw)
In-Reply-To: <1439259354-32055-1-git-send-email-k.kozlowski@samsung.com>
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
WARNING: multiple messages have this Message-ID (diff)
From: javier@osg.samsung.com (Javier Martinez Canillas)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: exynos_defconfig: Enable cpufreq-dt driver
Date: Tue, 11 Aug 2015 07:54:31 +0200 [thread overview]
Message-ID: <55C98E17.9040303@osg.samsung.com> (raw)
In-Reply-To: <1439259354-32055-1-git-send-email-k.kozlowski@samsung.com>
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
next prev parent reply other threads:[~2015-08-11 5:54 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-11 2:15 [PATCH] ARM: exynos_defconfig: Enable cpufreq-dt driver Krzysztof Kozlowski
2015-08-11 2:15 ` Krzysztof Kozlowski
2015-08-11 5:54 ` Javier Martinez Canillas [this message]
2015-08-11 5:54 ` Javier Martinez Canillas
2015-08-11 7:51 ` Kukjin Kim
2015-08-11 7:51 ` Kukjin Kim
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