linux-kernel - Re: [PATCH v3 0/2] clk: improve handling of orphan clocks

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Message-ID: <554BAC8A.1010307@codeaurora.org>
Date:	Thu, 07 May 2015 11:18:50 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Tero Kristo <t-kristo@...com>,
	Heiko Stübner <heiko@...ech.de>
CC:	mturquette@...aro.org, dianders@...omium.org,
	linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Boris Brezillon <boris.brezillon@...e-electrons.com>,
	Alex Elder <elder@...aro.org>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Stephen Warren <swarren@...dotorg.org>,
	Max Filippov <jcmvbkbc@...il.com>, kernel@...gutronix.de,
	Zhangfei Gao <zhangfei.gao@...aro.org>,
	Santosh Shilimkar <ssantosh@...nel.org>,
	Chao Xie <chao.xie@...vell.com>,
	Jason Cooper <jason@...edaemon.net>,
	Stefan Wahren <stefan.wahren@...e.com>,
	Andrew Bresticker <abrestic@...omium.org>,
	Robert Jarzmik <robert.jarzmik@...e.fr>,
	Georgi Djakov <georgi.djakov@...aro.org>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Barry Song <baohua@...nel.org>,
	Dinh Nguyen <dinguyen@...nsource.altera.com>,
	Viresh Kumar <viresh.linux@...il.com>,
	Gabriel FERNANDEZ <gabriel.fernandez@...com>,
	emilio@...pez.com.ar,
	Peter De Sc hrijver <pdeschrijver@...dia.com>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Pawel Moll <pawel.moll@....com>,
	Michal Simek <michal.simek@...inx.com>
Subject: Re: [PATCH v3 0/2] clk: improve handling of orphan clocks

On 05/07/15 01:22, Tero Kristo wrote:
> On 05/02/2015 02:40 AM, Stephen Boyd wrote:
>> On 05/01/15 15:07, Heiko Stübner wrote:
>>> Am Freitag, 1. Mai 2015, 13:52:47 schrieb Stephen Boyd:
>>>
>>>>> Instead I guess we could hook it less deep into clk_get_sys, like
>>>>> in the
>>>>> following patch?
>>>> It looks like it will work at least, but still I'd prefer to keep the
>>>> orphan check contained to clk.c. How about this compile tested only
>>>> patch?
>>> I gave this a spin on my rk3288-firefly board. It still boots, the
>>> clock tree
>>> looks the same and it also still defers nicely in the scenario I
>>> needed it
>>> for. The implementation also looks nice - and of course much more
>>> compact than
>>> my check in two places :-) . I don't know if you want to put this as
>>> follow-up
>>> on top or fold it into the original orphan-check, so in any case
>>>
>>> Tested-by: Heiko Stuebner <heiko@...ech.de>
>>> Reviewed-by: Heiko Stuebner <heiko@...ech.de>
>>
>> Thanks. I'm leaning towards tossing your patch 2/2 and replacing it with
>> my patch and a note that it's based on an earlier patch from you.
>
> FWIW, just gave a try for these two patches on all TI boards I have
> access to.
>
> Tested-by: Tero Kristo <t-kristo@...com>
>
> I didn't try your evolved patch though, as you don't seem to have made
> your mind yet.
>

Thanks. Can you try the evolved patch? It's in linux-next now as commit
882667c1fcf1, and it seems to at least break sunxi boot. I'd be
interested if it broke TI boards.

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

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