linux-kernel - Re: [PATCH v9 0/2] pwrseq: introduce the subsystem and first driver

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Message-ID: <33c7587b-83a4-4be7-b00a-d30874df8c22@163.com>
Date: Fri, 21 Jun 2024 17:04:21 +0800
From: Lk Sii <lk_sii@....com>
To: Bartosz Golaszewski <brgl@...ev.pl>
Cc: patchwork-bot+bluetooth@...nel.org, marcel@...tmann.org,
 luiz.dentz@...il.com, davem@...emloft.net, edumazet@...gle.com,
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 krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org, kvalo@...nel.org,
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 bartosz.golaszewski@...aro.org
Subject: Re: [PATCH v9 0/2] pwrseq: introduce the subsystem and first driver

On 2024/6/21 14:36, Bartosz Golaszewski wrote:
> On Fri, Jun 21, 2024 at 3:14 AM Lk Sii <lk_sii@....com> wrote:
>>
>>
>>
>> On 2024/6/20 22:30, patchwork-bot+bluetooth@...nel.org wrote:
>>> Hello:
>>>
>>> This series was applied to bluetooth/bluetooth-next.git (master)
>>> by Bartosz Golaszewski <bartosz.golaszewski@...aro.org>:
>>>
>> Hi luiz,
>>
>> i am curious why Bartosz is able to merge his changes into bluetooth
>> development tree bluetooth-next directly.
>>
> 
> This conversation is getting progressively worse...
> 
>> 1)
>> his changes should belong to *POWER* scope instead of *Bluetooth*
>> obviously, however, there are *NOT* any SOB tag from either power and
>> bluetooth maintainer. these changes currently only have below Acked-by
>> and Signed-off-by tags:
>>
>> Acked-by: Krzysztof Kozlowski <krzk@...nel.org>
>> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
>>
> 
> It's a new subsystem that has been discussed and reviewed for months
> and thoroughly tested. Please refer to the cover letter under v8
> linked in this thread. It's not related to power-management or
> power-supply, it's its own thing but IMO the best place to put it is
> under drivers/power/. And I will maintain it.
> 
>> 2)
>> his changes have not merged into linus mainline tree yet.
>>
> 
> This is why they are in next! They are scheduled to go in during the
> upcoming merge window. But since changes belong in multiple trees, we
> need a cross-tree merge.
> 
>> 3)
>> perhaps, it is safer to pull his changes from linus mainline tree when
>> merged than to merge into bluetooth-next firstly.
>>
> 
> It's not safer at all, why would spending less time in next be safer?
> 
it seems this patch serial(new subsystem) does not depend on bluetooth
and also does not belong to bluetooth subsystem, but have been contained
by tip of bluetooth tree.

why not follow below merging produce?
1) you send this patch serials to Linus to merge within linus mainline tree
2) luiz then pull your changes from linus mainline tree.

>>> On Wed,  5 Jun 2024 14:38:48 +0200 you wrote:
>>>> From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
>>>>
>>>> Hi!
>>>>
>>>> These are the power sequencing patches sent separately after some
>>>> improvements suggested by Bjorn Helgaas. I intend to pick them up into a
>>>> new branch and maintain the subsystem from now on. I then plan to
>>>> provide an immutable tag to the Bluetooth and PCI subsystems so that the
>>>> rest of the C changes can be applied. This new branch will then be
>>>> directly sent to Linus Torvalds for the next merge window.
>>>>
>>>> [...]
>>>
>>> Here is the summary with links:
>>>   - [v9,1/2] power: sequencing: implement the pwrseq core
>>>     https://git.kernel.org/bluetooth/bluetooth-next/c/249ebf3f65f8
>>>   - [v9,2/2] power: pwrseq: add a driver for the PMU module on the QCom WCN chipsets
>>>     https://git.kernel.org/bluetooth/bluetooth-next/c/2f1630f437df
>>>
>>> You are awesome, thank you!
>>
> 
> Why are you top-posting anyway?
> 
it is caused by my bad mail client settings. thanks for reminder.
> Bart