From: Tyler Baker <tyler.baker@linaro.org>
To: Kevin Hilman <khilman@kernel.org>
Cc: Abhilash Kesavan <a.kesavan@samsung.com>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
nicolas.pitre@linaro.org, lorenzo.pieralisi@arm.com,
punit.agrawal@arm.com, will.deacon@arm.com, mark.rutland@arm.com,
kgene@kernel.org,
linux-samsung-soc <linux-samsung-soc@vger.kernel.org>,
dianders@chromium.org, Olof Johansson <olof@lixom.net>,
Kukjin Kim <kgene.kim@samsung.com>,
javier.martinez@collabora.co.uk, k.kozlowski@samsung.com,
b.zolnierkie@samsung.com,
Abhilash Kesavan <kesavan.abhilash@gmail.com>,
Arnd Bergmann <arnd@arndb.de>
Subject: Re: [PATCH RFT 2/2] arm: dts: disable CCI on exynos420 based arndale-octa
Date: Mon, 1 Dec 2014 11:52:20 -0800 [thread overview]
Message-ID: <CANMBJr60MOoHfeSYJK2dN-oyJtLaFWQ3ubjXLQYKfj1WQ8Qb2w@mail.gmail.com> (raw)
In-Reply-To: <7hbnnn5hmy.fsf@deeprootsystems.com>
On 1 December 2014 at 10:50, Kevin Hilman <khilman@kernel.org> wrote:
> Abhilash Kesavan <a.kesavan@samsung.com> writes:
>
>> The arndale-octa board was giving "imprecise external aborts" during
>> boot-up with MCPM enabled. CCI enablement of the boot cluster was found
>> to be the cause of these aborts (possibly because the secure f/w was not
>> allowing it). Hence, disable CCI for the arndale-octa board.
>>
>> Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
>
> Tested-by: Kevin Hilman <khilman@linaro.org>
>
> Tested on top of next-20141128 with exynos_defconfig on my Octa board
> and I'm not seeing the imprecise aborts anymore.
>
> Thanks,
>
> Kevin
> --
> To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
Tested-by: Tyler Baker <tyler.baker@linaro.org>
Tested on top of mainline/master with exynos_defconfig on my
arndale-octa board.
One hundred boots attempted with no imprecise aborts.
Cheers,
--
Tyler Baker
Tech Lead, LAVA
Linaro.org | Open source software for ARM SoCs
Follow Linaro: http://www.facebook.com/pages/Linaro
http://twitter.com/#!/linaroorg - http://www.linaro.org/linaro-blog
WARNING: multiple messages have this Message-ID (diff)
From: tyler.baker@linaro.org (Tyler Baker)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH RFT 2/2] arm: dts: disable CCI on exynos420 based arndale-octa
Date: Mon, 1 Dec 2014 11:52:20 -0800 [thread overview]
Message-ID: <CANMBJr60MOoHfeSYJK2dN-oyJtLaFWQ3ubjXLQYKfj1WQ8Qb2w@mail.gmail.com> (raw)
In-Reply-To: <7hbnnn5hmy.fsf@deeprootsystems.com>
On 1 December 2014 at 10:50, Kevin Hilman <khilman@kernel.org> wrote:
> Abhilash Kesavan <a.kesavan@samsung.com> writes:
>
>> The arndale-octa board was giving "imprecise external aborts" during
>> boot-up with MCPM enabled. CCI enablement of the boot cluster was found
>> to be the cause of these aborts (possibly because the secure f/w was not
>> allowing it). Hence, disable CCI for the arndale-octa board.
>>
>> Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
>
> Tested-by: Kevin Hilman <khilman@linaro.org>
>
> Tested on top of next-20141128 with exynos_defconfig on my Octa board
> and I'm not seeing the imprecise aborts anymore.
>
> Thanks,
>
> Kevin
> --
> To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in
> the body of a message to majordomo at vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
Tested-by: Tyler Baker <tyler.baker@linaro.org>
Tested on top of mainline/master with exynos_defconfig on my
arndale-octa board.
One hundred boots attempted with no imprecise aborts.
Cheers,
--
Tyler Baker
Tech Lead, LAVA
Linaro.org | Open source software for ARM SoCs
Follow Linaro: http://www.facebook.com/pages/Linaro
http://twitter.com/#!/linaroorg - http://www.linaro.org/linaro-blog
next prev parent reply other threads:[~2014-12-01 19:52 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-28 14:50 [PATCH RFT 1/2] drivers: bus: check cci device tree node status Abhilash Kesavan
2014-11-28 14:50 ` Abhilash Kesavan
2014-11-28 14:50 ` [PATCH RFT 2/2] arm: dts: disable CCI on exynos420 based arndale-octa Abhilash Kesavan
2014-11-28 14:50 ` Abhilash Kesavan
2014-11-28 15:19 ` Krzysztof Kozlowski
2014-11-28 15:19 ` Krzysztof Kozlowski
2014-11-28 15:39 ` Abhilash Kesavan
2014-11-28 15:39 ` Abhilash Kesavan
2014-12-01 9:03 ` Krzysztof Kozlowski
2014-12-01 9:03 ` Krzysztof Kozlowski
2014-12-01 11:09 ` Russell King - ARM Linux
2014-12-01 11:09 ` Russell King - ARM Linux
2014-12-01 11:19 ` Krzysztof Kozlowski
2014-12-01 11:19 ` Krzysztof Kozlowski
2014-12-01 18:50 ` Kevin Hilman
2014-12-01 18:50 ` Kevin Hilman
2014-12-01 19:52 ` Tyler Baker [this message]
2014-12-01 19:52 ` Tyler Baker
2014-12-10 4:01 ` [PATCH RFT 1/2] drivers: bus: check cci device tree node status Abhilash Kesavan
2014-12-10 4:01 ` Abhilash Kesavan
2014-12-10 4:14 ` Sudeep Holla
2014-12-10 4:14 ` Sudeep Holla
2014-12-10 4:25 ` Abhilash Kesavan
2014-12-10 4:25 ` Abhilash Kesavan
2014-12-10 5:16 ` Sudeep Holla
2014-12-10 5:16 ` Sudeep Holla
2015-01-08 6:45 ` Sudeep Holla
2015-01-08 6:45 ` Sudeep Holla
2015-01-08 15:27 ` Abhilash Kesavan
2015-01-08 15:27 ` Abhilash Kesavan
2015-01-09 5:10 ` Sudeep Holla
2015-01-09 5:10 ` Sudeep Holla
2015-01-09 16:28 ` Abhilash Kesavan
2015-01-09 16:28 ` Abhilash Kesavan
2015-01-09 21:09 ` Kevin Hilman
2015-01-09 21:09 ` Kevin Hilman
2015-01-10 3:21 ` Abhilash Kesavan
2015-01-10 3:21 ` Abhilash Kesavan
2014-12-10 18:29 ` Nicolas Pitre
2014-12-10 18:29 ` Nicolas Pitre
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