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Wed, 17 Jul 2019 10:12:09 +0000 (GMT) Subject: Re: [PATCH v1 43/50] ARM: dts: exynos: add bus_isp in Exynos5422 To: Krzysztof Kozlowski Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, "linux-samsung-soc@vger.kernel.org" , linux-clk@vger.kernel.org, mturquette@baylibre.com, sboyd@kernel.org, =?UTF-8?Q?Bart=c5=82omiej_=c5=bbo=c5=82nierkiewicz?= , kgene@kernel.org, mark.rutland@arm.com, robh+dt@kernel.org, Chanwoo Choi , kyungmin.park@samsung.com, Andrzej Hajda , Marek Szyprowski , s.nawrocki@samsung.com, myungjoo.ham@samsung.com From: Lukasz Luba Message-ID: Date: Wed, 17 Jul 2019 12:12:08 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA02Se0hTYRjG+3YuO1rTz2X5ZmWxiG44u/3x2Y2CivVXhhFZSM08qaS2dtTS blpYNkq7q0OzqKFby1KHpZnUJlqJmqxS1tVmBalYqFlkmqezyP9+z/M9L+/7wMdRSjcTyMUl JvH6RG28ivWmK+t/Ngen9asjFxpNauIqbWZIWd5thrT1f2ZIUd2ozHF3UaSl5Y6cNB3rlpNy 90uGfDv9liHO6gKW5LXUysitujdyYmprlZHWp+vIq4wSlmQ+qJMTR/dJhgy/LKNXKzXWK1ak 6W3PlGvKLadYTcWNo5psmwVp+sqDwtht3iui+fi4FF4fsmqnd6zhZgurK/E9UFXlYtJR03gD 8uIALwWrNU9uQN6cEpcgaM++6hH9CNyP38ok0Yfge+lr9t9Ih93KSg/FCO7X/PKIHgRd5hxG TE3EG+BDn4sS2R/Pg7bfg4wYovALGn68G6QNiONYrIZ7ln0iKvB6yCpdLMZpPBuKOxv/jk7C W8Fpq0YiK7AfPMnvpEX2wpug2ZH516dwALg6i2QSz4C7PQWUuArwKQ5MlRmUdPVasJ8xexpM hC8NNrnE02CkShoGLED6mWtI4kPgzin0ZJaDo6GVEe+kRrvcrg6R7DXQYfrEijZgH2jv8ZNO 8IHzlbmUZCsg64RSSs8F2+lnnkWTodh6WX4WqYxjihnHlDGOKWP8v/cqoi0ogE8WEmJ4YUki v18taBOE5MQY9a69CeVo9Os1DjcM3EO1Q1F2hDmkmqDQOIIjlYw2RUhNsCPgKJW/YuXAgkil Ilqbmsbr9+7QJ8fzgh1N5WhVgOLguPfblThGm8Tv4Xkdr//3KuO8AtPRlGPHgz5ewK+6B6Fi e27jSNfMwOu6uw9DtUts1iNf7GFffSe/v2KevtHZYKjvTYrXRYw0X4w7/9S8yL/CGffrZ2HH i4GMCHXxiS1VBRcsoYebpmXR5pRtKc+Dw+152Y/yl82M0OkiXSGbnemOKN++iEvskKxm97m6 9epVNpdp1pxwFS3EahfNp/SC9g+b5kIbdgMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrOIsWRmVeSWpSXmKPExsVy+t/xu7qVX/RiDc5+MbS4te4cq8XGGetZ La5/ec5qMf8IkNv/+DWzxfnzG9gtzja9YbfY9Pgaq8XHnnusFpd3zWGzmHF+H5PF2iN32S2W Xr/IZHHxlKvF7cYVbBate4+wWxx+085q8e/aRhYHIY8189Ywery/0crusWlVJ5vH5iX1Hn1b VjF6fN4kF8AWpWdTlF9akqqQkV9cYqsUbWhhpGdoaaFnZGKpZ2hsHmtlZKqkb2eTkpqTWZZa pG+XoJfRtfo8W8EK/oqdO2+xNjCe5e5i5OSQEDCReHhoDVsXIxeHkMBSRolfEy4wQiTEJCbt 284OYQtL/LnWBVX0mlFi+85pzCAJYQFPiUefb4HZIgKaEtf/fmcFKWIWuMoiMeXVRnaIjn4m iYvzjwK1c3CwCehJ7FhVCGLyCrhJdKwzAullEVCVWP7kNNgcUYEIib622WwgNq+AoMTJmU9Y QGxOgUCJc4dbwY5jFjCTmLf5ITOELS5x68l8JghbXmL72znMExiFZiFpn4WkZRaSlllIWhYw sqxiFEktLc5Nzy020itOzC0uzUvXS87P3cQIjPRtx35u2cHY9S74EKMAB6MSD6/HYd1YIdbE suLK3EOMEhzMSiK8tl+1Y4V4UxIrq1KL8uOLSnNSiw8xmgI9N5FZSjQ5H5iE8kriDU0NzS0s Dc2NzY3NLJTEeTsEDsYICaQnlqRmp6YWpBbB9DFxcEo1MK4y6Nn2kZ3JI1Pq+ozsWda3RK8I HTzBcs5Utoxp7soNnC2ti4UF7qytcOp6HOBixFPw+M8nvWfishJmpRcv9C2S1px74f5Cux1B rprHu/4mPjd6atL1wogx8czPIr3Kc3WTnjRuSsiIcv7OaafUorngePvVH93rr36JE+y5HOYv YeS3sv7FASWW4oxEQy3mouJEACuQ5WcKAwAA X-CMS-MailID: 20190717101210eucas1p1eea10b59aecf5aaf5cac3a65d88e58b9 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20190715124509eucas1p1f2e44af951158fbef1a245467956ef93 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20190715124509eucas1p1f2e44af951158fbef1a245467956ef93 References: <20190715124417.4787-1-l.luba@partner.samsung.com> <20190715124417.4787-44-l.luba@partner.samsung.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 7/17/19 12:02 PM, Krzysztof Kozlowski wrote: > On Mon, 15 Jul 2019 at 14:45, Lukasz Luba wrote: >> >> Add bus_isp which changes ACLK400_ISP clock speed according to the bus >> documentation in the documentation. The bus_isp OPP table has been >> aligned to the new parent rate. > > Title and msg needs fixing. > > Please squash it with patch 18. You are right, it needs to be squashed. As I mentioned earlier Barek suggested offline to make 'atomic modifications' of OPPs and PLL/clocks rates for all affected children in the clock tree. Regards, Lukasz > > Best regards, > Krzysztof > >> This patch sets the proper parent and >> picks the init frequency before the devfreq governor starts working. >> It sets also parent rate (DPLL to 1200MHz). >> >> Signed-off-by: Lukasz Luba >> --- >> arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 12 ++++++++++++ >> 1 file changed, 12 insertions(+) >> >> diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi >> index 990fe03fce75..852cb3dd495d 100644 >> --- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi >> +++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi >> @@ -166,6 +166,18 @@ >> status = "okay"; >> }; >> >> +&bus_isp { >> + devfreq = <&bus_wcore>; >> + assigned-clocks = <&clock CLK_MOUT_ACLK400_ISP>, >> + <&clock CLK_MOUT_SW_ACLK400_ISP>, >> + <&clock CLK_DOUT_ACLK400_ISP>, >> + <&clock CLK_FOUT_DPLL>; >> + assigned-clock-parents = <&clock CLK_MOUT_SCLK_DPLL>, >> + <&clock CLK_DOUT_ACLK400_ISP>; >> + assigned-clock-rates = <0>, <0>, <400000000>, <1200000000>; >> + status = "okay"; >> +}; >> + >> &cpu0 { >> cpu-supply = <&buck6_reg>; >> }; >> -- >> 2.17.1 >> > > From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F0C53C76192 for ; Wed, 17 Jul 2019 10:12:17 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C97742182B for ; Wed, 17 Jul 2019 10:12:17 +0000 (UTC) Authentication-Results: mail.kernel.org; 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Wed, 17 Jul 2019 10:12:09 +0000 (GMT) X-AuditID: cbfec7f5-b8fff700000010e5-99-5d2ef47a441f Received: from eusmtip1.samsung.com ( [203.254.199.221]) by eusmgms2.samsung.com (EUCPMTA) with SMTP id 7C.61.04140.974FE2D5; Wed, 17 Jul 2019 11:12:09 +0100 (BST) Received: from [106.120.51.20] (unknown [106.120.51.20]) by eusmtip1.samsung.com (KnoxPortal) with ESMTPA id 20190717101209eusmtip189222d06d22c1d5296d08a5647aeb5e2~yKh4G4tPE0483704837eusmtip1y; Wed, 17 Jul 2019 10:12:09 +0000 (GMT) Subject: Re: [PATCH v1 43/50] ARM: dts: exynos: add bus_isp in Exynos5422 To: Krzysztof Kozlowski From: Lukasz Luba Message-ID: Date: Wed, 17 Jul 2019 12:12:08 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Brightmail-Tracker: H4sIAAAAAAAAA02Se0hTYRjG+3YuO1rTz2X5ZmWxiG44u/3x2Y2CivVXhhFZSM08qaS2dtTS blpYNkq7q0OzqKFby1KHpZnUJlqJmqxS1tVmBalYqFlkmqezyP9+z/M9L+/7wMdRSjcTyMUl JvH6RG28ivWmK+t/Ngen9asjFxpNauIqbWZIWd5thrT1f2ZIUd2ozHF3UaSl5Y6cNB3rlpNy 90uGfDv9liHO6gKW5LXUysitujdyYmprlZHWp+vIq4wSlmQ+qJMTR/dJhgy/LKNXKzXWK1ak 6W3PlGvKLadYTcWNo5psmwVp+sqDwtht3iui+fi4FF4fsmqnd6zhZgurK/E9UFXlYtJR03gD 8uIALwWrNU9uQN6cEpcgaM++6hH9CNyP38ok0Yfge+lr9t9Ih93KSg/FCO7X/PKIHgRd5hxG TE3EG+BDn4sS2R/Pg7bfg4wYovALGn68G6QNiONYrIZ7ln0iKvB6yCpdLMZpPBuKOxv/jk7C W8Fpq0YiK7AfPMnvpEX2wpug2ZH516dwALg6i2QSz4C7PQWUuArwKQ5MlRmUdPVasJ8xexpM hC8NNrnE02CkShoGLED6mWtI4kPgzin0ZJaDo6GVEe+kRrvcrg6R7DXQYfrEijZgH2jv8ZNO 8IHzlbmUZCsg64RSSs8F2+lnnkWTodh6WX4WqYxjihnHlDGOKWP8v/cqoi0ogE8WEmJ4YUki v18taBOE5MQY9a69CeVo9Os1DjcM3EO1Q1F2hDmkmqDQOIIjlYw2RUhNsCPgKJW/YuXAgkil Ilqbmsbr9+7QJ8fzgh1N5WhVgOLguPfblThGm8Tv4Xkdr//3KuO8AtPRlGPHgz5ewK+6B6Fi e27jSNfMwOu6uw9DtUts1iNf7GFffSe/v2KevtHZYKjvTYrXRYw0X4w7/9S8yL/CGffrZ2HH i4GMCHXxiS1VBRcsoYebpmXR5pRtKc+Dw+152Y/yl82M0OkiXSGbnemOKN++iEvskKxm97m6 9epVNpdp1pxwFS3EahfNp/SC9g+b5kIbdgMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrOIsWRmVeSWpSXmKPExsVy+t/xu7qVX/RiDc5+MbS4te4cq8XGGetZ La5/ec5qMf8IkNv/+DWzxfnzG9gtzja9YbfY9Pgaq8XHnnusFpd3zWGzmHF+H5PF2iN32S2W Xr/IZHHxlKvF7cYVbBate4+wWxx+085q8e/aRhYHIY8189Ywery/0crusWlVJ5vH5iX1Hn1b VjF6fN4kF8AWpWdTlF9akqqQkV9cYqsUbWhhpGdoaaFnZGKpZ2hsHmtlZKqkb2eTkpqTWZZa pG+XoJfRtfo8W8EK/oqdO2+xNjCe5e5i5OSQEDCReHhoDVsXIxeHkMBSRolfEy4wQiTEJCbt 284OYQtL/LnWBVX0mlFi+85pzCAJYQFPiUefb4HZIgKaEtf/fmcFKWIWuMoiMeXVRnaIjn4m iYvzjwK1c3CwCehJ7FhVCGLyCrhJdKwzAullEVCVWP7kNNgcUYEIib622WwgNq+AoMTJmU9Y QGxOgUCJc4dbwY5jFjCTmLf5ITOELS5x68l8JghbXmL72znMExiFZiFpn4WkZRaSlllIWhYw sqxiFEktLc5Nzy020itOzC0uzUvXS87P3cQIjPRtx35u2cHY9S74EKMAB6MSD6/HYd1YIdbE suLK3EOMEhzMSiK8tl+1Y4V4UxIrq1KL8uOLSnNSiw8xmgI9N5FZSjQ5H5iE8kriDU0NzS0s Dc2NzY3NLJTEeTsEDsYICaQnlqRmp6YWpBbB9DFxcEo1MK4y6Nn2kZ3JI1Pq+ozsWda3RK8I HTzBcs5Utoxp7soNnC2ti4UF7qytcOp6HOBixFPw+M8nvWfishJmpRcv9C2S1px74f5Cux1B rprHu/4mPjd6atL1wogx8czPIr3Kc3WTnjRuSsiIcv7OaafUorngePvVH93rr36JE+y5HOYv YeS3sv7FASWW4oxEQy3mouJEACuQ5WcKAwAA X-CMS-MailID: 20190717101210eucas1p1eea10b59aecf5aaf5cac3a65d88e58b9 X-Msg-Generator: CA X-RootMTR: 20190715124509eucas1p1f2e44af951158fbef1a245467956ef93 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20190715124509eucas1p1f2e44af951158fbef1a245467956ef93 References: <20190715124417.4787-1-l.luba@partner.samsung.com> <20190715124417.4787-44-l.luba@partner.samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190717_031213_902576_2B66079F X-CRM114-Status: GOOD ( 16.48 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, "linux-samsung-soc@vger.kernel.org" , =?UTF-8?Q?Bart=c5=82omiej_=c5=bbo=c5=82nierkiewicz?= , sboyd@kernel.org, mturquette@baylibre.com, linux-kernel@vger.kernel.org, robh+dt@kernel.org, Andrzej Hajda , Chanwoo Choi , kyungmin.park@samsung.com, kgene@kernel.org, myungjoo.ham@samsung.com, s.nawrocki@samsung.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Marek Szyprowski Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 7/17/19 12:02 PM, Krzysztof Kozlowski wrote: > On Mon, 15 Jul 2019 at 14:45, Lukasz Luba wrote: >> >> Add bus_isp which changes ACLK400_ISP clock speed according to the bus >> documentation in the documentation. The bus_isp OPP table has been >> aligned to the new parent rate. > > Title and msg needs fixing. > > Please squash it with patch 18. You are right, it needs to be squashed. As I mentioned earlier Barek suggested offline to make 'atomic modifications' of OPPs and PLL/clocks rates for all affected children in the clock tree. Regards, Lukasz > > Best regards, > Krzysztof > >> This patch sets the proper parent and >> picks the init frequency before the devfreq governor starts working. >> It sets also parent rate (DPLL to 1200MHz). >> >> Signed-off-by: Lukasz Luba >> --- >> arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 12 ++++++++++++ >> 1 file changed, 12 insertions(+) >> >> diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi >> index 990fe03fce75..852cb3dd495d 100644 >> --- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi >> +++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi >> @@ -166,6 +166,18 @@ >> status = "okay"; >> }; >> >> +&bus_isp { >> + devfreq = <&bus_wcore>; >> + assigned-clocks = <&clock CLK_MOUT_ACLK400_ISP>, >> + <&clock CLK_MOUT_SW_ACLK400_ISP>, >> + <&clock CLK_DOUT_ACLK400_ISP>, >> + <&clock CLK_FOUT_DPLL>; >> + assigned-clock-parents = <&clock CLK_MOUT_SCLK_DPLL>, >> + <&clock CLK_DOUT_ACLK400_ISP>; >> + assigned-clock-rates = <0>, <0>, <400000000>, <1200000000>; >> + status = "okay"; >> +}; >> + >> &cpu0 { >> cpu-supply = <&buck6_reg>; >> }; >> -- >> 2.17.1 >> > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel