linux-kernel - Re: [PATCH 00/12] Add cpufreq and cci devfreq for mt8183, and SVS support

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Date:   Wed, 20 May 2020 16:53:07 +0200
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     "andrew-sh.cheng" <andrew-sh.cheng@...iatek.com>,
        Chanwoo Choi <cw00.choi@...sung.com>
Cc:     MyungJoo Ham <myungjoo.ham@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Nishanth Menon <nm@...com>, Stephen Boyd <sboyd@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        srv_heupstream@...iatek.com
Subject: Re: [PATCH 00/12] Add cpufreq and cci devfreq for mt8183, and SVS
 support



On 20/05/2020 09:10, andrew-sh.cheng wrote:
> On Wed, 2020-05-20 at 15:24 +0900, Chanwoo Choi wrote:
>> Hi,
>>
>> On 5/20/20 2:36 PM, andrew-sh.cheng wrote:
>>> On Wed, 2020-05-20 at 13:10 +0900, Chanwoo Choi wrote:
>>>> Hi Andrew,
>>>>
>>>> Could you explain the base commit of these patches?
>>>> When I tried to apply them to v5.7-rc1 for testing,
>>>> the merge conflict occurs.
>>>>
>>>> Thanks,
>>
>>>> Chanwoo Choi
>>>
>>> Hi Chanwoo Choi,
>>>
>>> My base commit is
>>> commit 8f3d9f354286745c751374f5f1fcafee6b3f3136
>>> Author: Linus Torvalds <torvalds@...ux-foundation.org>
>>> Date:   Sun Apr 12 12:35:55 2020 -0700
>>>
>>>     Linux 5.7-rc1
>>>
>>> Could you show me the conflict error?
>>
>>
>> When I tried to apply first patch with 'git am',
>> the merge conflict occurred.
>>
>> git am \[PATCH\ 01_12\]\ OPP\:\ Allow\ required-opps\ even\ if\ the\ device\ doesn\'t\ have\ power-domains.eml
>> Applying: OPP: Allow required-opps even if the device doesn't have power-domains
>> error: patch failed: drivers/opp/core.c:755
>> error: drivers/opp/core.c: patch does not apply
>> error: patch failed: drivers/opp/of.c:195																																																																												
>> error: drivers/opp/of.c: patch does not apply
>> Patch failed at 0001 OPP: Allow required-opps even if the device doesn't have power-domains
>> Use 'git am --show-current-patch' to see the failed patch
>> When you have resolved this problem, run "git am --continue".
>> If you prefer to skip this patch, run "git am --skip" instead.
>> To restore the original branch and stop patching, run "git am --abort".
>>
>> Regards,
>> Chanwoo Choi
> 
> Hi Chanwoo,
> 
> I just make a new folder to get code and check.
> Below is my command list.
> Please help check the different with you.
>   505  repo init -u http://gerrit.mediatek.inc:8080/cros-kernel/manifest
> -b upstream
>   506  repo sync -j8
>   507  repo start kern-dev --all
>   508   git remote add main
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>   509  git remote add main
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>   510  ls
>   511  cd kernel/mediatek/
>   512   git remote add main
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>   513  git fetch main
>   514  git checkout v5.7-rc1
>   515  git am
> Add-cpufreq-and-cci-devfreq-for-mt8183-and-SVS-support.patch
>   516  history
> 

For reference I just tried with b4.sh [1]:
# b4.sh am -l -o /tmp -n patch  1589958625.23971.2.camel@...sdaap41
# git am -3 -s /tmp/patch.mbx

Applies without conflicts.

Regards,
Matthias

[1] https://git.kernel.org/pub/scm/utils/b4/b4.git