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Fri, 06 May 2022 11:57:40 -0700 (PDT) Message-ID: <0846a062-2ea2-e6d4-03c8-992c2f2e24a0@gmail.com> Date: Sat, 7 May 2022 03:57:34 +0900 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.1 Subject: Re: [PATCH v3 2/2] PM / devfreq: mediatek: Introduce MediaTek CCI devfreq driver Content-Language: en-US To: Johnson Wang , 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 In-Reply-To: <20220425125546.4129-3-johnson.wang@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220506_115744_142998_4F561C29 X-CRM114-Status: GOOD ( 15.21 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 > Signed-off-by: Jia-Wei Chang > --- > 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 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel