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[2620:137:e000::1:20]) by mx.google.com with ESMTP id go16-20020a1709070d9000b00711d1497f8csi9617025ejc.961.2022.06.10.04.33.54; Fri, 10 Jun 2022 04:34:21 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@collabora.com header.s=mail header.b=c7Mq5T6G; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=collabora.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349128AbiFJKtX (ORCPT + 99 others); Fri, 10 Jun 2022 06:49:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51170 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349134AbiFJKsd (ORCPT ); Fri, 10 Jun 2022 06:48:33 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C75EF2E13D2; Fri, 10 Jun 2022 03:44:36 -0700 (PDT) Received: from [192.168.1.100] (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id DB78F6601739; Fri, 10 Jun 2022 11:44:34 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1654857875; bh=JjAfIIOQCBYkqTG8Pf2TVNBGQ8bLPqOyF3AGvVlt+fk=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=c7Mq5T6GTSydvrlrpGdrU7TsUNIvcZbrFaMkYyXYIC2xdSlOsB7LE7d1s5RD6wxkt WduGOS9H9KdBZUpnmI2YX1+oMQXipakIMU0UOlKESYWqJuzFyk17MEHmq8NBvZvk1b Nmim32NNJ+Eie5m12piUVYPMvpVTccezewiMKV9jhRH5bvPEebEFTkFLSLratiE9en 14uf4HCLRFlkN4XyFV3TEGzY1MikK+nlMUhtVYdmFu1w6LXGA4an1kITU6GlDE9cEX w+g+67Dh/Ufw3169I+hrwJnMZ5kYSHuUgMtxKTP5D6CxXTRSeVcXpkwjZJSBoAGNkz qS6fCYnomcNCg== Message-ID: <66b8de8e-b617-9058-1bb2-64686b61a829@collabora.com> Date: Fri, 10 Jun 2022 12:44:32 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.0 Subject: Re: [PATCH v7 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, djakov@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: <20220607140556.6278-1-johnson.wang@mediatek.com> <20220607140556.6278-3-johnson.wang@mediatek.com> From: AngeloGioacchino Del Regno In-Reply-To: <20220607140556.6278-3-johnson.wang@mediatek.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-3.3 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Il 07/06/22 16:05, Johnson Wang ha scritto: > 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: Jia-Wei Chang > Signed-off-by: Johnson Wang > Acked-by: Chanwoo Choi Reviewed-by: AngeloGioacchino Del Regno