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Message-ID: <0846a062-2ea2-e6d4-03c8-992c2f2e24a0@gmail.com>
Date:   Sat, 7 May 2022 03:57:34 +0900
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Subject: Re: [PATCH v3 2/2] PM / devfreq: mediatek: Introduce MediaTek CCI
 devfreq driver
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To:     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
References: <20220425125546.4129-1-johnson.wang@mediatek.com>
 <20220425125546.4129-3-johnson.wang@mediatek.com>
From:   Chanwoo Choi <cwchoi00@gmail.com>
In-Reply-To: <20220425125546.4129-3-johnson.wang@mediatek.com>
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Hi Johnson,


On 22. 4. 25. 21:55, Johnson Wang wrote:
> We introduce a devfreq driver for the MediaTek Cache Coherent Interconnect
> (CCI) used by some MediaTek SoCs.
> 
> In this driver, we use the passive devfreq driver to get target frequencies
> and adjust voltages accordingly. In MT8183 and MT8186, the MediaTek CCI
> is supplied by the same regulators with the little core CPUs.
> 
> Signed-off-by: Johnson Wang <johnson.wang@mediatek.com>
> Signed-off-by: Jia-Wei Chang <jia-wei.chang@mediatek.com>
> ---
> This patch depends on "devfreq-testing"[1].
> [1]https://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git/log/?h=devfreq-testing
> ---
>   drivers/devfreq/Kconfig           |  10 +
>   drivers/devfreq/Makefile          |   1 +
>   drivers/devfreq/mtk-cci-devfreq.c | 474 ++++++++++++++++++++++++++++++
>   3 files changed, 485 insertions(+)
>   create mode 100644 drivers/devfreq/mtk-cci-devfreq.c
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>

I updated the passive governor on devfreq-testing[1] branch
[1] 
https://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git/log/?h=devfreq-testing

Could you please test your patches based on devfreq-testing[1] branch?


-- 
Best Regards,
Samsung Electronics
Chanwoo Choi