linux-kernel - Re: [PATCH] ARM: exynos_defconfig: Disable big.LITTLE switcher

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Message-ID: <CANAwSgQboz5g2Zh0vCfNBZ_K+UjHbSUcdeAMNeJn+T3a14OUSg@mail.gmail.com>
Date:	Thu, 28 Apr 2016 23:13:40 +0530
From:	Anand Moon <linux.amoon@...il.com>
To:	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Cc:	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Kukjin Kim <kgene@...nel.org>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: exynos_defconfig: Disable big.LITTLE switcher

Hi Bartlomiej,

On 28 April 2016 at 20:14, Bartlomiej Zolnierkiewicz
<b.zolnierkie@...sung.com> wrote:
> Disable big.LITTLE switcher in order to allow automatic usage of
> cpufreq-dt driver on Exynos542x/Exynos5800 SoCs based boards.
>
> This change should not cause any problems as arm_big_little[_dt]
> driver (which is using big.LITTLE switcher support to do the "real"
> big.LITTLE switching work) is not used on any Exynos SoC based
> board currently.
>
> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
> ---
>  arch/arm/configs/exynos_defconfig | 2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig
> index a8cf295..07d4168 100644
> --- a/arch/arm/configs/exynos_defconfig
> +++ b/arch/arm/configs/exynos_defconfig
> @@ -13,8 +13,6 @@ CONFIG_ARCH_EXYNOS3=y
>  CONFIG_EXYNOS5420_MCPM=y
>  CONFIG_SMP=y
>  CONFIG_BIG_LITTLE=y
> -CONFIG_BL_SWITCHER=y
> -CONFIG_BL_SWITCHER_DUMMY_IF=y
>  CONFIG_NR_CPUS=8
>  CONFIG_PREEMPT=y
>  CONFIG_AEABI=y
> --
> 1.9.1
>

Tested On Odroid XU4.

Reviewed-by: Anand Moon <linux.amoon@...il.com>
Tested-by: Anand Moon <linux.amoon@...il.com>

Best Regards
-Anand Moon

>
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