From: Sylwester Nawrocki <s.nawrocki@samsung.com>
To: Javier Martinez Canillas <javier@osg.samsung.com>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@codeaurora.org>
Cc: linux-kernel@vger.kernel.org, Inki Dae <inki.dae@samsung.com>,
Andi Shyti <andi.shyti@samsung.com>,
Shuah Khan <shuahkh@osg.samsung.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Kukjin Kim <kgene@kernel.org>,
Chanwoo Choi <cw00.choi@samsung.com>,
linux-clk@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
Tomasz Figa <tomasz.figa@gmail.com>,
Krzysztof Kozlowski <krzk@kernel.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] clk: samsung: exynos5420: Mark CLK_ACLK432_SCALER as CLK_IS_CRITICAL
Date: Fri, 20 Jan 2017 13:32:18 +0100 [thread overview]
Message-ID: <551ac156-0cfa-29be-335f-d8a1f171cd8a@samsung.com> (raw)
In-Reply-To: <1484908891-11820-1-git-send-email-javier@osg.samsung.com>
On 01/20/2017 11:41 AM, Javier Martinez Canillas wrote:
> On Exynos5800 SoC the SCALER block uses 2 input clocks: CLK_ACLK_300_GSCL
> and CLK_ACLK432_SCALER, so both needs to be ungated in order to access it.
>
> But Exynos5420 only has the CLK_ACLK_300_GSCL as gsc_pd clk. So just using
> this definition from exynos5420.dtsi in Exynos5800 leads to the following:
[...]
> So until a proper solution based on runtime PM gets merged, mark the clock
> as critical to prevent it to be gated.
>
> Suggested-by: Marek Szyprowski <m.szyprowski@samsung.com>
> Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
next prev parent reply other threads:[~2017-01-20 12:32 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20170120104148epcas5p11af0e630f0881092a9b3b43e8b5b1aac@epcas5p1.samsung.com>
2017-01-20 10:41 ` [PATCH] clk: samsung: exynos5420: Mark CLK_ACLK432_SCALER as CLK_IS_CRITICAL Javier Martinez Canillas
2017-01-20 12:32 ` Sylwester Nawrocki [this message]
2017-01-20 13:55 ` Sylwester Nawrocki
2017-01-20 14:00 ` Javier Martinez Canillas
2017-01-20 14:07 ` Javier Martinez Canillas
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