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=-5.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,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 CED63C2BB54 for ; Tue, 7 Apr 2020 00:05:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A24C72078C for ; Tue, 7 Apr 2020 00:05:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b="px8ei+Fo" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728199AbgDGAFU (ORCPT ); Mon, 6 Apr 2020 20:05:20 -0400 Received: from mailout3.samsung.com ([203.254.224.33]:38668 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726709AbgDGAFT (ORCPT ); Mon, 6 Apr 2020 20:05:19 -0400 Received: from epcas1p3.samsung.com (unknown [182.195.41.47]) by mailout3.samsung.com (KnoxPortal) with ESMTP id 20200407000517epoutp03b4c49303577cd7dd7a5943a0219a74d8~DYMqpzVbi1664716647epoutp03X for ; Tue, 7 Apr 2020 00:05:17 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout3.samsung.com 20200407000517epoutp03b4c49303577cd7dd7a5943a0219a74d8~DYMqpzVbi1664716647epoutp03X DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1586217917; bh=tzpVAjvJlF8U3nA9D3i9y31F8b3lBonoiViArwP4bx4=; h=Subject:To:Cc:From:Date:In-Reply-To:References:From; b=px8ei+FoCPnU65Ti1oxup/jdjpes6gtaNBmgoKqMeE6EDKKJZqopQCZLQ74yAiQzb Qw01Qi3QCcMWz6hATMCpoEQJmj/f9J4Wr8274vWQtizMEka3JJshSGSSe4XV4Afji2 kXAoA0aTE880LIvVqb5twdRnGwPGO9mBEJInHMME= Received: from epsnrtp1.localdomain (unknown [182.195.42.162]) by epcas1p1.samsung.com (KnoxPortal) with ESMTP id 20200407000516epcas1p13492e8bfe704a21592fce4ec848aa09f~DYMpcECR11546015460epcas1p1M; Tue, 7 Apr 2020 00:05:16 +0000 (GMT) Received: from epsmges1p1.samsung.com (unknown [182.195.40.152]) by epsnrtp1.localdomain (Postfix) with ESMTP id 48x72b3fy1zMqYlr; Tue, 7 Apr 2020 00:05:11 +0000 (GMT) Received: from epcas1p4.samsung.com ( [182.195.41.48]) by epsmges1p1.samsung.com (Symantec Messaging Gateway) with SMTP id 78.0E.04402.7B3CB8E5; Tue, 7 Apr 2020 09:05:11 +0900 (KST) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas1p3.samsung.com (KnoxPortal) with ESMTPA id 20200407000511epcas1p361a8982b0da2bc80b1b6e8cf9870093c~DYMkxoNIT1542515425epcas1p3e; Tue, 7 Apr 2020 00:05:11 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20200407000510epsmtrp2862d3043e81792698814e1636a048611~DYMkwdmjI0035300353epsmtrp2H; Tue, 7 Apr 2020 00:05:10 +0000 (GMT) X-AuditID: b6c32a35-753ff70000001132-8f-5e8bc3b7ce85 Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id F4.11.04024.6B3CB8E5; Tue, 7 Apr 2020 09:05:10 +0900 (KST) Received: from [10.113.221.102] (unknown [10.113.221.102]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20200407000510epsmtip1001cc24d264d29a611749eef3a386d57~DYMkLEa1f0424704247epsmtip1c; Tue, 7 Apr 2020 00:05:10 +0000 (GMT) Subject: Re: [PATCH v3 2/8] PM / devfreq: Add generic imx bus scaling driver To: Leonard Crestez , Georgi Djakov , Rob Herring Cc: Alexandre Bailon , "Rafael J. Wysocki" , Jacky Bai , Anson Huang , =?UTF-8?B?QXJ0dXIgxZp3aWdvxYQ=?= , Abel Vesa , Krzysztof Kozlowski , MyungJoo Ham , Kyungmin Park , Saravana Kannan , Mark Rutland , Viresh Kumar , Shawn Guo , Dong Aisheng , Fabio Estevam , Stephen Boyd , Michael Turquette , Matthias Kaehlcke , Angus Ainslie , Martin Kepplinger , Silvano di Ninno , linux-pm@vger.kernel.org, kernel@pengutronix.de, linux-imx@nxp.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org From: Chanwoo Choi Organization: Samsung Electronics Message-ID: Date: Tue, 7 Apr 2020 09:14:27 +0900 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:59.0) Gecko/20100101 Thunderbird/59.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA01Tf0wbZRj2612vV7LqWUA+mw3ZzX9gsrUrnR8G0ERmLg5jAwkhGouX9gIN /ZVeuzgXA25DoYiubM1CdUBkbAWJ0lKg4BhZ6VRYYKKzI8JkERIXIiXYgQbF2HKo/Pe8z/s8 ed/n/fKRmNwvUZBGi4OzW1gTTaTgg+PZytyh8SadsvnOXrTQVg/Q+q1JgK58dxOgh54RDC0u zAE01KpH7ZFpMfL3z+Ho4miAQD2eYRzdvt0nQVOnf5Ug3701MQosRsXItdmNoXhzBKCuuzMi FPW5xSjetwjQzOQxNPeuj0CfTd8g0KWHHgzVj0YkyBXeItDfUT+OHgQzUFdnFEP+deaFfYzH 5QNMb1svYFZn6yXMx3UzONMRcDKBnkaCmY9eI5j+y7WMPxYSMR9tKZnN8XTmw2APYOKBTK3s tZqCao41cPYszqK3GoyWqkL6eFnli5Wao0pVriofPUtnWVgzV0gXl2hzXzKaEkehs06wJmeC 0rI8Tx8uKrBbnQ4uq9rKOwppzmYw2fJth3jWzDstVYf0VvNzKqXyiCYhfLOmum2z3LYkfivY HifqQBR3ASkJqTzYsf65yAVSSDkVAnD1wtpO8RuAN1eu40KxAeCZ8Px/ltBPGzuqUQAHB74B QrEKYOjOX1hSlUqVwJXQZZDEadQpeG7q9LYDo2YkcME9K0o2CCoHjj2YJZL4MWo//OGPxW2D jCqCQ+7kViSJU0/DQMveJJ1OlcOJwbM7ksfhROsSnpRIKR2c/LQ0SWNUBvxxqV0k4Kfg0Mon WHIspEIk9G/0E0k9pIrhypflQphUuPx1UCJgBYzHRgkBn4LdExFC8DYAGBz7Viw01HCs6/z2 ahiVDb8YOSzQ++Hwn5eAMPdRGFv/QCyMksGG9+SC5AD8/v49kYCfhJ3vNxLnAO3dFca7K4F3 VwLv/8M6AN4DnuBsvLmK41U21e63DoDt75KjCYEL0yVhQJGA3iOrkDbp5GL2BH/SHAaQxOg0 maK5USeXGdiTb3N2a6XdaeL4MNAkTu3GFOl6a+LzWRyVKs0RtVqN8lRHNSoVnSHz3DXp5FQV 6+BqOM7G2f/1iUipog5oL5ZFX860th7LCU3nl57J3Lz6sx/vHjBUpBXdP/jLV8ZHzL/XLr9e 3ITKtPGBhsLUWHfKM7eupl3zRzL84tTOiha1Xo6kpXtibG6fEXOev7HWO5vpXm5RvHNWrrBZ jyte1QVtr3ALzxfsk+V5wfAI6atdZefHr2e/McUfbN6icb6aVeVgdp79B1Zt3xFEBAAA X-Brightmail-Tracker: H4sIAAAAAAAAA02SbUhTURiAO7t3d1dzeZ2aR0vLJUVS6qLgQCVFGJcKsgLREHXMm1pujl0/ sn40q6VOrQw0/Ghqqcwl4ab4kYnk/EBlyhSnZKk5M384I9QMUaupgf8e3vd5zvnzkpiglOtF JsiSGYVMnCgkHPFGo9DneKMxJyqoOvMUmtSoAFru7wOoeqgLoKWC9xiyTo4D1FQkQWWdA1yk rx/H0cs2A4F0BS04Ghys4yHTw3ke0n75yUUGq4WL1Ks1GFrM6wSoatTMQRZtPhct1lkBMveF oPEMLYHeDnwk0KulAgyp2jp5SN2xTqANix5Hcw0eqOqNBUP6ZfqcN12g1gK6VlML6B9jKh5d ojTjdLkhhTbosgn6s+UDQddXPqD1C80c+tl6EL1qdKefNugAvWjwCeXfdDwTyyQmpDKKwOAY x3jNaph8hnu3oWyRUAILrgYOJKROwuaJXxw1cCQFVCuA5szW7YUnLDR3YWpA/mNXaDSyW44N wLwnw4TdcaWuQFtzJbCzG3Ufrs32YHYJo0Z4cP57+far0wBWzCo3C4Lyh+1zY5vsTPnCkd/W zZpPBcOm/Hcc+2845QcNL/bbx+5UGGyptHK2FBfYWzSD2xUHKgr2vb5uH2PUEbimGcK22AN+ minjbPEB2GQrxZ4D1+IddfGOpHhHUrwjKQe4DngyclYaJ2VFcpGMSQtgxVI2RRYXIEmSGsDm zfgfbQbDldEdgCKB0Im/i5cTJeCKU9l0aQeAJCZ043vlZUcJ+LHi9HuMIilakZLIsB1gH4kL PfjfZN0RAipOnMzcYRg5o/i/5ZAOXkpwOcAbL03Ll0dMFxKHz1abZo2HHt8oGwjPClsiHjWJ YpRZEZE1fqFFB3NNU199e6/Z0p30lzIsFEflF5K0cmwqm7cn1yaJXIt3PtFjWrg6cZvbvvIn kBgNk6zWSFwCllW7M/tLQrUmYDo/H45fqOiO1oSu7L11WuCxwFx03hgT4my8WOSPKVjxX5Cv xMEvAwAA X-CMS-MailID: 20200407000511epcas1p361a8982b0da2bc80b1b6e8cf9870093c X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: SVC_REQ_APPROVE CMS-TYPE: 101P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20200406120515epcas1p2331d9e8917c308ad7e2d005df4dd7420 References: Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 4/6/20 9:03 PM, Leonard Crestez wrote: > Add initial support for dynamic frequency switching on pieces of the imx > interconnect fabric. > > All this driver does is set a clk rate based on an opp table, it does > not map register areas. > > Signed-off-by: Leonard Crestez > Tested-by: Martin Kepplinger > --- > drivers/devfreq/Kconfig | 8 +++ > drivers/devfreq/Makefile | 1 + > drivers/devfreq/imx-bus.c | 138 ++++++++++++++++++++++++++++++++++++++ > 3 files changed, 147 insertions(+) > create mode 100644 drivers/devfreq/imx-bus.c > (snip) Acked-by: Chanwoo Choi -- Best Regards, Chanwoo Choi Samsung Electronics