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Fwd: [PATCH v2 0/8] PM / devfreq: Add NoCP devfreq-event and support busfreq on exyno5422-odroidxu3

Started byMyungJoo Ham <myungjoo.ham@samsung.com>
First post2016-05-02 07:50 +0200
Last post2016-05-03 04:20 +0200
Articles 5 — 3 participants

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  Fwd: [PATCH v2 0/8] PM / devfreq: Add NoCP devfreq-event and support  busfreq on exyno5422-odroidxu3 MyungJoo Ham <myungjoo.ham@samsung.com> - 2016-05-02 07:50 +0200
    Re: Fwd: [PATCH v2 0/8] PM / devfreq: Add NoCP devfreq-event and  support busfreq on exyno5422-odroidxu3 Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-05-02 08:00 +0200
      Re: Fwd: [PATCH v2 0/8] PM / devfreq: Add NoCP devfreq-event and  support busfreq on exyno5422-odroidxu3 Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-05-02 08:10 +0200
        Re: Fwd: [PATCH v2 0/8] PM / devfreq: Add NoCP devfreq-event and  support busfreq on exyno5422-odroidxu3 Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-05-02 08:30 +0200
    Re: Fwd: [PATCH v2 0/8] PM / devfreq: Add NoCP devfreq-event and  support busfreq on exyno5422-odroidxu3 Chanwoo Choi <cw00.choi@samsung.com> - 2016-05-03 04:20 +0200

#1391990 — Fwd: [PATCH v2 0/8] PM / devfreq: Add NoCP devfreq-event and support busfreq on exyno5422-odroidxu3

FromMyungJoo Ham <myungjoo.ham@samsung.com>
Date2016-05-02 07:50 +0200
SubjectFwd: [PATCH v2 0/8] PM / devfreq: Add NoCP devfreq-event and support busfreq on exyno5422-odroidxu3
Message-ID<rueU1-6dn-5@gated-at.bofh.it>
Sender : 최찬우<cw00.choi@samsung.com> S5(책임)/Change Agent/Tizen Platform Lab(S/W센터)/삼성전자
Date : 2016-04-15 15:32 (GMT+09:00)
> 
> This patchset support the AMBA bus frequency scaling on Exynos5422-based
> Odroid-XU3 board. But, this series only support the bus frequency scaling
> for INT (Internal) block using VDD_INT power line.

Along with Devfreq/Passive patchset, the patchset is merged in
devfreq for-4.7 tree.

https://git.kernel.org/cgit/linux/kernel/git/mzx/devfreq.git/log/?h=for-4.7

@Chanwoo: If there are commits to be merged by a tree other than Linux/PM,
please let me know. I'll send out pull-request soon.


Cheers,
MyungJoo

> 
> Also, to support the bus frequency scaling for Exynos542x SoC,
> Exynos542x SoC has the specific 'NoC (Network on Chip) Probe' device
> to measure the transfered data traffic on NoC (Network on Chip)
> instead of PPMU (Platform Performance Monitoring Unit). NoC Probe device
> provide the utilization for INT block of Exynos542x SoC.
> 
> The generic exynos-bus frequency driver uses the 'NoC Probe' devfreq-event
> device (drivers/devfreq/event/exynos-nocp.c) without any modification.
> Just add the phandle of 'NoC Probe' dt node to bus dt node.
> 
> Depend on:
> This patchset depends on patch[1] which support the generic exynos-bus
> frequency driver.
> [1] http://www.spinics.net/lists/arm-kernel/msg495976.html
> - [PATCH v9 00/20] PM / devferq: Add generic exynos bus frequency driver and new passive governor
> 
>

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#1391993 — Re: Fwd: [PATCH v2 0/8] PM / devfreq: Add NoCP devfreq-event and support busfreq on exyno5422-odroidxu3

FromKrzysztof Kozlowski <k.kozlowski@samsung.com>
Date2016-05-02 08:00 +0200
SubjectRe: Fwd: [PATCH v2 0/8] PM / devfreq: Add NoCP devfreq-event and support busfreq on exyno5422-odroidxu3
Message-ID<ruf3I-6ho-3@gated-at.bofh.it>
In reply to#1391990
On 05/02/2016 07:48 AM, MyungJoo Ham wrote:
> Sender : 최찬우<cw00.choi@samsung.com> S5(책임)/Change Agent/Tizen Platform Lab(S/W센터)/삼성전자
> Date : 2016-04-15 15:32 (GMT+09:00)
>>
>> This patchset support the AMBA bus frequency scaling on Exynos5422-based
>> Odroid-XU3 board. But, this series only support the bus frequency scaling
>> for INT (Internal) block using VDD_INT power line.
> 
> Along with Devfreq/Passive patchset, the patchset is merged in
> devfreq for-4.7 tree.
> 
> https://git.kernel.org/cgit/linux/kernel/git/mzx/devfreq.git/log/?h=for-4.7
> 
> @Chanwoo: If there are commits to be merged by a tree other than Linux/PM,
> please let me know. I'll send out pull-request soon.

As we discussed before, don't apply the DTS changes. The DTS are
independent so they should go through samsung/arm-soc.

Best regards,
Krzysztof

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#1391997 — Re: Fwd: [PATCH v2 0/8] PM / devfreq: Add NoCP devfreq-event and support busfreq on exyno5422-odroidxu3

FromKrzysztof Kozlowski <k.kozlowski@samsung.com>
Date2016-05-02 08:10 +0200
SubjectRe: Fwd: [PATCH v2 0/8] PM / devfreq: Add NoCP devfreq-event and support busfreq on exyno5422-odroidxu3
Message-ID<rufdo-6FL-5@gated-at.bofh.it>
In reply to#1391993
On 05/02/2016 07:55 AM, Krzysztof Kozlowski wrote:
> On 05/02/2016 07:48 AM, MyungJoo Ham wrote:
>> Sender : 최찬우<cw00.choi@samsung.com> S5(책임)/Change Agent/Tizen Platform Lab(S/W센터)/삼성전자
>> Date : 2016-04-15 15:32 (GMT+09:00)
>>>
>>> This patchset support the AMBA bus frequency scaling on Exynos5422-based
>>> Odroid-XU3 board. But, this series only support the bus frequency scaling
>>> for INT (Internal) block using VDD_INT power line.
>>
>> Along with Devfreq/Passive patchset, the patchset is merged in
>> devfreq for-4.7 tree.
>>
>> https://git.kernel.org/cgit/linux/kernel/git/mzx/devfreq.git/log/?h=for-4.7
>>
>> @Chanwoo: If there are commits to be merged by a tree other than Linux/PM,
>> please let me know. I'll send out pull-request soon.
> 
> As we discussed before, don't apply the DTS changes. The DTS are
> independent so they should go through samsung/arm-soc.

Another point is that you applied patches without your signed-off-by...
that is not the proper way. If you touch a patch or apply it, you must
signed it off.

BR,
Krzysztof

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#1392007 — Re: Fwd: [PATCH v2 0/8] PM / devfreq: Add NoCP devfreq-event and support busfreq on exyno5422-odroidxu3

FromKrzysztof Kozlowski <k.kozlowski@samsung.com>
Date2016-05-02 08:30 +0200
SubjectRe: Fwd: [PATCH v2 0/8] PM / devfreq: Add NoCP devfreq-event and support busfreq on exyno5422-odroidxu3
Message-ID<rufwL-6Ok-17@gated-at.bofh.it>
In reply to#1391997
On 05/02/2016 08:06 AM, Krzysztof Kozlowski wrote:
> On 05/02/2016 07:55 AM, Krzysztof Kozlowski wrote:
>> On 05/02/2016 07:48 AM, MyungJoo Ham wrote:
>>> Sender : 최찬우<cw00.choi@samsung.com> S5(책임)/Change Agent/Tizen Platform Lab(S/W센터)/삼성전자
>>> Date : 2016-04-15 15:32 (GMT+09:00)
>>>>
>>>> This patchset support the AMBA bus frequency scaling on Exynos5422-based
>>>> Odroid-XU3 board. But, this series only support the bus frequency scaling
>>>> for INT (Internal) block using VDD_INT power line.
>>>
>>> Along with Devfreq/Passive patchset, the patchset is merged in
>>> devfreq for-4.7 tree.
>>>
>>> https://git.kernel.org/cgit/linux/kernel/git/mzx/devfreq.git/log/?h=for-4.7
>>>
>>> @Chanwoo: If there are commits to be merged by a tree other than Linux/PM,
>>> please let me know. I'll send out pull-request soon.

... and now I noticed that you also applied clock patches. Please don't.
They are for some time in clk tree. Sylwester prepared a tag for that,
if you need one.

Best regards,
Krzysztof

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#1392988 — Re: Fwd: [PATCH v2 0/8] PM / devfreq: Add NoCP devfreq-event and support busfreq on exyno5422-odroidxu3

FromChanwoo Choi <cw00.choi@samsung.com>
Date2016-05-03 04:20 +0200
SubjectRe: Fwd: [PATCH v2 0/8] PM / devfreq: Add NoCP devfreq-event and support busfreq on exyno5422-odroidxu3
Message-ID<ruy6l-7Dk-1@gated-at.bofh.it>
In reply to#1391990
Dear Myungjoo,

On 2016년 05월 02일 14:48, MyungJoo Ham wrote:
> Sender : 최찬우<cw00.choi@samsung.com> S5(책임)/Change Agent/Tizen Platform Lab(S/W센터)/삼성전자
> Date : 2016-04-15 15:32 (GMT+09:00)
>>
>> This patchset support the AMBA bus frequency scaling on Exynos5422-based
>> Odroid-XU3 board. But, this series only support the bus frequency scaling
>> for INT (Internal) block using VDD_INT power line.
> 
> Along with Devfreq/Passive patchset, the patchset is merged in
> devfreq for-4.7 tree.
> 
> https://git.kernel.org/cgit/linux/kernel/git/mzx/devfreq.git/log/?h=for-4.7
> 
> @Chanwoo: If there are commits to be merged by a tree other than Linux/PM,
> please let me know. I'll send out pull-request soon.

On Krzysztof Kozlowski's reply, dts patches will be merged on samsung-soc tree.
and then the clock patches about exynos5420 was already merged to samsung-clk tree
by Sylwester.

Only devfreq patches should be merged on devfreq tree.

We already discussed this topic on offline. I expect that you will again handle
this patchset according to reply of both Krzysztof and me.

Best Regards,
Chanwoo Choi

> 
> 
> Cheers,
> MyungJoo
> 
>>
>> Also, to support the bus frequency scaling for Exynos542x SoC,
>> Exynos542x SoC has the specific 'NoC (Network on Chip) Probe' device
>> to measure the transfered data traffic on NoC (Network on Chip)
>> instead of PPMU (Platform Performance Monitoring Unit). NoC Probe device
>> provide the utilization for INT block of Exynos542x SoC.
>>
>> The generic exynos-bus frequency driver uses the 'NoC Probe' devfreq-event
>> device (drivers/devfreq/event/exynos-nocp.c) without any modification.
>> Just add the phandle of 'NoC Probe' dt node to bus dt node.
>>
>> Depend on:
>> This patchset depends on patch[1] which support the generic exynos-bus
>> frequency driver.
>> [1] http://www.spinics.net/lists/arm-kernel/msg495976.html
>> - [PATCH v9 00/20] PM / devferq: Add generic exynos bus frequency driver and new passive governor
>>
>>

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