linux-kernel - Re: [PATCH v2 1/2] clk: samsung: exynos5250: Add DISP1 clocks

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Date:	Sat, 17 Oct 2015 17:53:50 +0900
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Kukjin Kim <kgene@...nel.org>,
	Michael Turquette <mturquette@...libre.com>
Cc:	Tomeu Vizoso <tomeu.vizoso@...labora.com>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Gustavo Padovan <gustavo.padovan@...labora.co.uk>,
	Javier Martinez Canillas <javier@....samsung.com>,
	Seung-Woo Kim <sw0312.kim@...sung.com>,
	Inki Dae <inki.dae@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Joonyoung Shim <jy0922.shim@...sung.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Kumar Gala <galak@...eaurora.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Pawel Moll <pawel.moll@....com>,
	Rob Herring <robh+dt@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Tomasz Figa <tomasz.figa@...il.com>, linux-clk@...r.kernel.org,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 1/2] clk: samsung: exynos5250: Add DISP1 clocks

2015-10-17 8:41 GMT+09:00 Kukjin Kim <kgene@...nel.org>:
> On 10/17/15 03:56, Tomeu Vizoso wrote:
>> On 16 October 2015 at 19:26, Stephen Boyd <sboyd@...eaurora.org> wrote:
>>> On 10/16, Michael Turquette wrote:
>>>> Quoting Krzysztof Kozlowski (2015-10-15 16:46:27)
>>>>> On 15.10.2015 19:31, Tomeu Vizoso wrote:
>>>>>> When the DISP1 power domain is powered off, there's two clocks that need
>>>>>> to be temporarily reparented to OSC, and back to their original parents
>>>>>> when the domain is powered on again.
>>>>>>
>>>>>> We expose these two clocks in the DT bindings so that the DT node of the
>>>>>> power domain can reference them.
>>>>>>
>>>>>> Signed-off-by: Tomeu Vizoso <tomeu.vizoso@...labora.com>
>>>>>> Acked-by: Stephen Boyd <sboyd@...eaurora.org>
>>>>>> ---
>>>>>>
>>>>>> Changes in v2:
>>>>>> - Reuse mout_aclk200_p
>>>>>> - Rename div_aclk300 as div_aclk300_disp
>>>>>>
>>>>>>  drivers/clk/samsung/clk-exynos5250.c   | 14 +++++++++++++-
>>>>>>  include/dt-bindings/clock/exynos5250.h |  4 +++-
>>>>>>  2 files changed, 16 insertions(+), 2 deletions(-)
>>>>>>
>>>>>
>>>>> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
>>>>
>>>> Applied to clk-next.
>>>>
>>>
>>> I think Tomeu wanted to take this through arm-soc? Otherwise
>>> we'll need to provide a stable branch for the dt header.
>>
>> Hi, Stephen is right, the second patch depends on this one.
>>
> So...how can I take 2nd patch of this series in samsung(arm-soc) tree?
> And this series shouldn't be for fixes for 4.3?...Mike how do you think?

Stephen acked it so I thought everything will go through samsung-soc.

Dear Kukjin,
Indeed this can go as fix for current cycle... but in the same time
this does not fix any specific regression. Tomeu did not describe when
issue happened for the first time so I assumed it was like that
always. It's up to you.

Both patches (with Stephen's ack) are in my recent pull request but as
usual feel free to cherry pick. I'll drop them from next branch then.

Best regards,
Krzysztof
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