From: Chanwoo Choi <cwchoi00@gmail.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
Johnson Wang <johnson.wang@mediatek.com>,
cw00.choi@samsung.com, krzk+dt@kernel.org, robh+dt@kernel.org,
kyungmin.park@samsung.com
Cc: khilman@kernel.org, linux-pm@vger.kernel.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, jia-wei.chang@mediatek.com,
Project_Global_Chrome_Upstream_Group@mediatek.com
Subject: Re: [PATCH v2 1/2] dt-bindings: devfreq: mediatek: Add mtk cci devfreq dt-bindings
Date: Thu, 14 Apr 2022 05:54:31 +0900 [thread overview]
Message-ID: <924e2208-d939-0243-9780-ae1b8cbd2c49@gmail.com> (raw)
In-Reply-To: <39152c86-ca11-2792-6b25-ae55ffb47b09@linaro.org>
On 22. 4. 12. 18:17, Krzysztof Kozlowski wrote:
> On 11/04/2022 14:10, Johnson Wang wrote:
>>> Also please put it in the "interconnect" directory.
>>>
>>
>> I don't really know about "interconnect".
>> However, it looks like a Linux framework about data transfer and "NoC".
>>
>> While this cci driver is more like a power managment which is
>> responsible for adjusting voltages and frequencies.
>> In my opinion, "devfreq" should be more suitable.
>>
>> Please correct me if my understanding is wrong.
>
> devfreq is a Linux mechanism, not a real device/hardware. We try to put
> the bindings in directories/subsystems matching the hardware, therefore
> devfreq is not appropriate.
>
> Whether interconnect - or other subsystem - is appropriate, I am not
> sure. To me this looks exactly like bus bandwidth management and you
> even use "interconnect" in several places. So interconnect matches.
I think that 'Documentation/devicetree/bindings/arm/mediatek' is proper.
--
Best Regards,
Samsung Electronics
Chanwoo Choi
next prev parent reply other threads:[~2022-04-13 20:54 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-08 5:21 [PATCH v2 0/2] Introduce MediaTek CCI devfreq driver Johnson Wang
2022-04-08 5:21 ` [PATCH v2 1/2] dt-bindings: devfreq: mediatek: Add mtk cci devfreq dt-bindings Johnson Wang
2022-04-08 8:17 ` Krzysztof Kozlowski
2022-04-11 12:10 ` Johnson Wang
2022-04-12 9:17 ` Krzysztof Kozlowski
2022-04-13 20:54 ` Chanwoo Choi [this message]
2022-04-14 21:55 ` Kevin Hilman
2022-04-08 5:21 ` [PATCH v2 2/2] PM / devfreq: mediatek: Introduce MediaTek CCI devfreq driver Johnson Wang
2022-04-08 8:21 ` Krzysztof Kozlowski
2022-04-12 8:39 ` Johnson Wang
2022-04-12 8:51 ` Krzysztof Kozlowski
2022-04-08 11:51 ` AngeloGioacchino Del Regno
2022-04-14 5:19 ` Johnson Wang
2022-04-13 21:43 ` Chanwoo Choi
2022-04-15 12:46 ` Johnson Wang
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