linux-kernel - Re: [PATCH 0/2] ARM: dts: Fix imprecise external abort error when accessing Exynos MFC

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Message-id: <6479e0c0-97fb-ca3b-1337-6ed11410d94f@samsung.com>
Date:	Wed, 25 May 2016 08:51:05 +0200
From:	Marek Szyprowski <m.szyprowski@...sung.com>
To:	Javier Martinez Canillas <javier@....samsung.com>,
	linux-kernel@...r.kernel.org
Cc:	devicetree@...r.kernel.org, Kukjin Kim <kgene@...nel.org>,
	Michael Turquette <mturquette@...libre.com>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Shuah Khan <shuahkh@....samsung.com>,
	Stephen Boyd <sboyd@...eaurora.org>,
	linux-samsung-soc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Tomasz Figa <tomasz.figa@...il.com>, linux-clk@...r.kernel.org,
	Nicolas Dufresne <nicolas.dufresne@...labora.com>,
	Andrzej Hajda <a.hajda@...sung.com>
Subject: Re: [PATCH 0/2] ARM: dts: Fix imprecise external abort error when
 accessing Exynos MFC

Hello,


On 2016-05-24 19:41, Javier Martinez Canillas wrote:
> This series fixes an imprecise external abort error when accessing the
> Exynos MFC registers due the power domain configuration requiring the
> aclk333 clock to be enabled during a domain switch.
>
> There isn't a dependency between the clock and Linux Samsung SoC trees
> because the CLK_ACLK333 clock ID is already defined so the patches can
> be picked indepedently by the relevant subsystem maintainers.

Tested-by: Marek Szyprowski <m.szyprowski@...sung.com>

I'm really curious what kind of async-bridge is there, but this patch
really fixes the problem with mfc power domain.

> Best regards,
> Javier
>
>
> Javier Martinez Canillas (2):
>    clk: exynos5420: Set ID for aclk333 gate clock
>    ARM: dts: Add async-bridge clock to MFC power domain for Exynos5420
>
>   arch/arm/boot/dts/exynos5420.dtsi    | 5 +++--
>   drivers/clk/samsung/clk-exynos5420.c | 2 +-
>   2 files changed, 4 insertions(+), 3 deletions(-)
>

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland