Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1563598

Re: [PATCH] clk: samsung: exynos5420: Mark CLK_ACLK432_SCALER as CLK_IS_CRITICAL

From Sylwester Nawrocki <s.nawrocki@samsung.com>
Newsgroups linux.kernel
Subject Re: [PATCH] clk: samsung: exynos5420: Mark CLK_ACLK432_SCALER as CLK_IS_CRITICAL
Date 2017-01-20 15:00 +0100
Message-ID <t1HTr-7WH-3@gated-at.bofh.it> (permalink)
References <t1GE1-7eJ-7@gated-at.bofh.it> <t1EVz-69K-3@gated-at.bofh.it> <t1GE1-7eJ-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


On 01/20/2017 01:32 PM, Sylwester Nawrocki wrote:
> 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>

Oops, the $subject patch can be dropped since as Marek just pointed out
to me the changes introduced by that patch are already included in a patch
which is already in the v4.10 fixes queue:

https://git.kernel.org/cgit/linux/kernel/git/clk/linux.git/commit/?h=clk-next&id=318fa46cc60d37fec1e87dbf03a82aca0f5ce695

-- 
Thanks,
Sylwester

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH] clk: samsung: exynos5420: Mark CLK_ACLK432_SCALER as CLK_IS_CRITICAL Javier Martinez Canillas <javier@osg.samsung.com> - 2017-01-20 11:50 +0100
  Re: [PATCH] clk: samsung: exynos5420: Mark CLK_ACLK432_SCALER as  CLK_IS_CRITICAL Sylwester Nawrocki <s.nawrocki@samsung.com> - 2017-01-20 13:40 +0100
    Re: [PATCH] clk: samsung: exynos5420: Mark CLK_ACLK432_SCALER as  CLK_IS_CRITICAL Sylwester Nawrocki <s.nawrocki@samsung.com> - 2017-01-20 15:00 +0100
      Re: [PATCH] clk: samsung: exynos5420: Mark CLK_ACLK432_SCALER as  CLK_IS_CRITICAL Javier Martinez Canillas <javier@osg.samsung.com> - 2017-01-20 15:10 +0100
        Re: [PATCH] clk: samsung: exynos5420: Mark CLK_ACLK432_SCALER as  CLK_IS_CRITICAL Javier Martinez Canillas <javier@osg.samsung.com> - 2017-01-20 15:10 +0100

csiph-web