From: Kevin Hilman <khilman@kernel.org>
To: Abhilash Kesavan <a.kesavan@samsung.com>
Cc: 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@vger.kernel.org, dianders@chromium.org,
olof@lixom.net, kgene.kim@samsung.com,
javier.martinez@collabora.co.uk, k.kozlowski@samsung.com,
b.zolnierkie@samsung.com, kesavan.abhilash@gmail.com,
arnd@arndb.de
Subject: Re: [PATCH RFT 2/2] arm: dts: disable CCI on exynos420 based arndale-octa
Date: Mon, 01 Dec 2014 10:50:29 -0800 [thread overview]
Message-ID: <7hbnnn5hmy.fsf@deeprootsystems.com> (raw)
In-Reply-To: <1417186209-5256-2-git-send-email-a.kesavan@samsung.com> (Abhilash Kesavan's message of "Fri, 28 Nov 2014 20:20:09 +0530")
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
WARNING: multiple messages have this Message-ID (diff)
From: khilman@kernel.org (Kevin Hilman)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH RFT 2/2] arm: dts: disable CCI on exynos420 based arndale-octa
Date: Mon, 01 Dec 2014 10:50:29 -0800 [thread overview]
Message-ID: <7hbnnn5hmy.fsf@deeprootsystems.com> (raw)
In-Reply-To: <1417186209-5256-2-git-send-email-a.kesavan@samsung.com> (Abhilash Kesavan's message of "Fri, 28 Nov 2014 20:20:09 +0530")
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
next prev parent reply other threads:[~2014-12-01 18:50 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 [this message]
2014-12-01 18:50 ` Kevin Hilman
2014-12-01 19:52 ` Tyler Baker
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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