From: Javier Martinez Canillas <javier@osg.samsung.com>
To: Sjoerd Simons <sjoerd.simons@collabora.co.uk>,
linux-kernel@vger.kernel.org
Cc: Kukjin Kim <kgene@kernel.org>,
Thierry Reding <treding@nvidia.com>,
Anand Moon <linux.amoon@gmail.com>,
Russell King <linux@arm.linux.org.uk>,
linux-samsung-soc@vger.kernel.org,
Krzysztof Kozlowski <k.kozlowski@samsung.com>,
Lukasz Majewski <l.majewski@samsung.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ARM: exynos_defconfig: Enable big.LITTLE CPUidle support
Date: Fri, 28 Aug 2015 11:30:26 +0200 [thread overview]
Message-ID: <55E02A32.2070902@osg.samsung.com> (raw)
In-Reply-To: <1440751902.13118.6.camel@collabora.co.uk>
Hello Sjoerd,
On 08/28/2015 10:51 AM, Sjoerd Simons wrote:
> On Fri, 2015-08-28 at 10:16 +0200, Javier Martinez Canillas wrote:
>> Some Exynos big.LITTLE boards (i.e: Exynos5420 and Exynos5800 based
>> Chromebooks) have proper firmware that allow the big.LITTLE CPUidle
>> driver to work correctly, so enable support for this.
>>
>> Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
>>
>> ---
>> Kukjin and Krzysztof,
>>
>> As you know there are other boards like the Exynos5422 based Odroid
>> XU{3,4}
>> whose firmware is broken due leaving CCI in secure mode which means
>> that the
>> kernel MCPM support can't properly manage CCI.
>>
>> So if you pick this patch, it should be tested in kernelci before
>> appearing
>> in linux-next to prevent any boot issues.
>
> I've pushed this patch into Collabora's for-next branch, which should
> get picked up by kernelci soonish.
>
Awesome, thanks a lot for your help!
Best regards,
--
Javier Martinez Canillas
Open Source Group
Samsung Research America
next prev parent reply other threads:[~2015-08-28 9:30 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-28 8:16 [PATCH] ARM: exynos_defconfig: Enable big.LITTLE CPUidle support Javier Martinez Canillas
2015-08-28 8:51 ` Sjoerd Simons
2015-08-28 9:30 ` Javier Martinez Canillas [this message]
2015-08-29 9:01 ` Krzysztof Kozlowski
2015-08-29 9:33 ` Javier Martinez Canillas
2015-08-29 9:55 ` Krzysztof Kozlowski
2015-08-29 10:07 ` Javier Martinez Canillas
2015-08-29 10:22 ` Krzysztof Kozlowski
2015-08-29 10:31 ` Javier Martinez Canillas
2015-08-29 10:39 ` Krzysztof Kozlowski
2015-08-29 10:47 ` Javier Martinez Canillas
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