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From: Lukasz Luba <lukasz.luba@arm.com>
To: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
	Chanwoo Choi <cw00.choi@samsung.com>
Cc: Kamil Konieczny <k.konieczny@samsung.com>,
	Sylwester Nawrocki <s.nawrocki@samsung.com>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Willy Wolff <willy.mh.wolff.ml@gmail.com>,
	MyungJoo Ham <myungjoo.ham@samsung.com>,
	Kyungmin Park <kyungmin.park@samsung.com>,
	Kukjin Kim <kgene@kernel.org>,
	linux-pm@vger.kernel.org,
	"linux-samsung-soc@vger.kernel.org" 
	<linux-samsung-soc@vger.kernel.org>,
	linux-arm-kernel@lists.infradead.org,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: brocken devfreq simple_ondemand for Odroid XU3/4?
Date: Mon, 29 Jun 2020 12:34:21 +0100	[thread overview]
Message-ID: <ea7d70e2-3306-07a0-c741-3dc3558efbaf@arm.com> (raw)
In-Reply-To: <ad4e1a73-6de3-68ee-e3b3-b30bc315bd31@samsung.com>



On 6/26/20 12:22 PM, Bartlomiej Zolnierkiewicz wrote:
> 
> On 6/25/20 2:12 PM, Kamil Konieczny wrote:
>> On 25.06.2020 14:02, Lukasz Luba wrote:
>>>
>>>
>>> On 6/25/20 12:30 PM, Kamil Konieczny wrote:

[snip]

>>>
>>> Kamil do you have plans to refresh and push your next version of the
>>> workqueue solution?
>>
>> I do not, as Bartek takes over my work,
>> +CC Bartek
> 
> Hi Lukasz,

Hi Bartek,

> 
> As you remember in January Chanwoo has proposed another idea (to allow
> selecting workqueue type by devfreq device driver):
> 
> "I'm developing the RFC patch and then I'll send it as soon as possible."
> (https://lore.kernel.org/linux-pm/6107fa2b-81ad-060d-89a2-d8941ac4d17e@samsung.com/)
> 
> "After posting my suggestion, we can discuss it"
> (https://lore.kernel.org/linux-pm/f5c5cd64-b72c-2802-f6ea-ab3d28483260@samsung.com/)
> 
> so we have been waiting on the patch to be posted..
> 
> Similarly we have been waiting on (any) feedback for exynos-bus/nocp
> fixes for Exynos5422 support (which have been posted by Kamil also in
> January):
> 
> https://lore.kernel.org/linux-pm/8f82d8d5-927b-afb4-272f-45c16b5a23b9@samsung.com/
> 
> Considering the above and how hard it has been to push the changes
> through review/merge process last year we are near giving up when it
> comes to upstream devfreq contributions. Sylwester is still working on
> exynos-bus & interconnect integration (continuation of Artur Swigon's
> work from last year) & related issues (IRQ support for PPMU)  but
> I'm seriously considering putting it all on-hold..

Thank you for detailed explanation and update. I see. Anyway, if you or
Sylwester need some help with this devfreq workqueue, I offer my time
as a reviewer&tester.

The more generic solution you propose, the better for all platforms.

Regards,
Lukasz

> 
> Best regards,
> --
> Bartlomiej Zolnierkiewicz
> Samsung R&D Institute Poland
> Samsung Electronics
> 

  parent reply	other threads:[~2020-06-29 18:40 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-23 16:47 brocken devfreq simple_ondemand for Odroid XU3/4? Willy Wolff
2020-06-23 19:02 ` Krzysztof Kozlowski
2020-06-23 19:11   ` Krzysztof Kozlowski
2020-06-24  8:01     ` Willy Wolff
2020-06-24  8:14       ` Krzysztof Kozlowski
2020-06-24  8:52         ` Willy Wolff
2020-06-24 10:32     ` Lukasz Luba
2020-06-24 11:18       ` Kamil Konieczny
2020-06-24 12:06         ` Krzysztof Kozlowski
2020-06-24 13:03           ` Lukasz Luba
2020-06-24 13:13             ` Krzysztof Kozlowski
2020-06-24 13:42               ` Lukasz Luba
2020-06-24 15:11       ` Sylwester Nawrocki
2020-06-25 10:02         ` Lukasz Luba
2020-06-25 11:30           ` Kamil Konieczny
2020-06-25 12:02             ` Lukasz Luba
2020-06-25 12:12               ` Kamil Konieczny
2020-06-26 11:22                 ` Bartlomiej Zolnierkiewicz
2020-06-29  1:43                   ` Chanwoo Choi
2020-06-29 11:52                     ` Lukasz Luba
2020-07-01 15:48                       ` Willy Wolff
2020-06-29 11:34                   ` Lukasz Luba [this message]
2020-06-26 17:50           ` Sylwester Nawrocki
2020-06-29 11:41             ` Lukasz Luba
2020-06-29  1:52         ` Chanwoo Choi

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