[3/4] ARM: exynos_defconfig: Enable big.LITTLE cpuidle driver

Message ID 20200616081230.31198-4-m.szyprowski@samsung.com
State New
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Series
  • [1/4] ARM: exynos: Apply little core workaround only under secure firmware
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Commit Message

Marek Szyprowski June 16, 2020, 8:12 a.m.
Enable big.LITTLE cpuidle driver, which can be used on Exynos-based
Peach Pit/Pi Chromebooks.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>

---
 arch/arm/configs/exynos_defconfig | 1 +
 1 file changed, 1 insertion(+)

-- 
2.17.1

Comments

Bartlomiej Zolnierkiewicz June 24, 2020, 10:06 a.m. | #1
On 6/16/20 10:12 AM, Marek Szyprowski wrote:
> Enable big.LITTLE cpuidle driver, which can be used on Exynos-based

> Peach Pit/Pi Chromebooks.

> 

> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>


Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>


Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics

> ---

>  arch/arm/configs/exynos_defconfig | 1 +

>  1 file changed, 1 insertion(+)

> 

> diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig

> index 374fbff8eaa6..c928bc710c48 100644

> --- a/arch/arm/configs/exynos_defconfig

> +++ b/arch/arm/configs/exynos_defconfig

> @@ -28,6 +28,7 @@ CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m

>  CONFIG_CPU_FREQ_GOV_SCHEDUTIL=y

>  CONFIG_CPUFREQ_DT=y

>  CONFIG_CPU_IDLE=y

> +CONFIG_ARM_BIG_LITTLE_CPUIDLE=y

>  CONFIG_ARM_EXYNOS_CPUIDLE=y

>  CONFIG_VFP=y

>  CONFIG_NEON=y

>
Marek Szyprowski June 29, 2020, 11:35 a.m. | #2
On 22.06.2020 19:20, Krzysztof Kozlowski wrote:
> On Tue, Jun 16, 2020 at 10:12:29AM +0200, Marek Szyprowski wrote:
>> Enable big.LITTLE cpuidle driver, which can be used on Exynos-based
>> Peach Pit/Pi Chromebooks.
>>
>> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
>> ---
>>   arch/arm/configs/exynos_defconfig | 1 +
>>   1 file changed, 1 insertion(+)
> I guess this should be enabled after adjusting the compatibles
> in patch 2/4? If yes, then it will have to wait.

Indeed, this one and multi_v7 patch have to wait one cycle to avoid 
breaking Odroid XU3/XU4 board family.

Best regards

Patch

diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig
index 374fbff8eaa6..c928bc710c48 100644
--- a/arch/arm/configs/exynos_defconfig
+++ b/arch/arm/configs/exynos_defconfig
@@ -28,6 +28,7 @@  CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m
 CONFIG_CPU_FREQ_GOV_SCHEDUTIL=y
 CONFIG_CPUFREQ_DT=y
 CONFIG_CPU_IDLE=y
+CONFIG_ARM_BIG_LITTLE_CPUIDLE=y
 CONFIG_ARM_EXYNOS_CPUIDLE=y
 CONFIG_VFP=y
 CONFIG_NEON=y