From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751862AbcDKEP6 (ORCPT ); Mon, 11 Apr 2016 00:15:58 -0400 Received: from mailout3.samsung.com ([203.254.224.33]:36694 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750709AbcDKEPy convert rfc822-to-8bit (ORCPT ); Mon, 11 Apr 2016 00:15:54 -0400 X-AuditID: cbfee68e-f79d96d0000012b1-dc-570b24e96833 MIME-version: 1.0 Content-type: text/plain; charset=utf-8 Content-transfer-encoding: 8BIT Message-id: <570B24E9.5020708@samsung.com> Date: Mon, 11 Apr 2016 13:15:37 +0900 From: Chanwoo Choi User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, k.kozlowski@samsung.com, kgene@kernel.org, s.nawrocki@samsung.com, tomasz.figa@gmail.com Cc: rjw@rjwysocki.net, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, linux@arm.linux.org.uk, linux.amoon@gmail.com, m.reichl@fivetechno.de, tjakobi@math.uni-bielefeld.de, inki.dae@samsung.com, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Subject: Re: [PATCH 0/7] PM / devfreq: Add NoCP devfreq-event and support busfreq on exyno5422-odroidxu3 References: <1460091646-28701-1-git-send-email-cw00.choi@samsung.com> In-reply-to: <1460091646-28701-1-git-send-email-cw00.choi@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA02SeUjTYRjHefc79nMqvC2PV9GCkRRG5t0rlghR/Ij+iKSURHTZD4885qaS UXjklfeJMiwTLXVq0hxaUmnTxNvMvI9EIa9V0sIM1HIbkf99nuP7PM8XHoYQ1lDWTFhULCeN EkeIaAHZaOYqObV2zNjXcTDTA1d2D1M4X1NF4eH1eoCLPheQeGPVCecvbxB4KEXDx8rlCQqP tVfQWJvbDXD5yFsefv5iho9nx0zxWvc2wE8nR3l4NrmOxgVlTSQeHPhI4bQ33XzcpcmgcHrD JoUV7TvA24JtfNwI2NQHOTQ7lpfLY2fmEtlX8nk+W1/7k2aVioc021KTyO718FnVeAbJ5qkU gNUqj1wxuSE4e4uLCIvnpKe9ggShM5XFpKTf+I5WUU4mgfdGWcCIQdAVrYwUUQa2QB8Wmuks IGCEsA6gLWUf/1+TencaGApygLIr5oCuYAoPoe3iBTILMAwBj6OSkkhdmoBmaGjnO2Xgk+hZ 1QZh0C4CVLqjIg1ae1SX/ImnYxLaoZbOST3T+/mO1SlaN9Mc+qHs3gSd1gyWAqTtTyd1AQGb CLSekazfcBiGo3r1qJ6F8AJaSdLo2QheRL8Kqng6AYIaBr1OXeAbtkG0VazWX42gLVJ2EgaX Vuhd3RRZACzlB7zJ/3uTH/AmP+DtCSAVwJyTBEtkN0Okzg4ycaQsLirEITg6Ugn2n2dg70ve SzDd6akGkAEiE1PvCYGvkBLHyxIi1cBt/6BCwto8OHr/36JiA51c3J2xm6ubi/MZD3eRpWmQ 9W8fIQwRx3K3OU7CSQOlcRGcTA14jJF1EsiPblxq8mTx0qHZq5nzMTVZbV1H7XvznVP9A75d L3HoCFjWft3mtfLSbDJtZ7eqK8NiVIx7aM8jx8ud1/yzV3YXbWrgectYP5+BYrs2r+Yur3sN mnGL+EsW/HAQbGK1qfyRUt5XnVPYasdMMjvtTtv3M8pcz5XfVVWfENXu/bETkbJQsZM9IZWJ /wLz47FlNwMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrGKsWRmVeSWpSXmKPExsVy+t9jQd2XKtzhBs23DS3mHznHatH/ZiGr xblXKxktJt2fwGLx+oWhRf/j18wWZ5vesFtsenyN1eLyrjlsFp97jzBazDi/j8li3cZb7Ba3 L/NavDzyg9Fi6fWLTBa3G1ewWUyYvpbF4szpS6wWrXuPsFscftPOatG2+gOrxapdfxgdxDzW zFvD6NHS3MPmcbmvl8nj1p16j52z7rJ7rFz+hc1j06pONo/NS+o9/h1j99hytZ3Fo2/LKkaP z5vkAniiGhhtMlITU1KLFFLzkvNTMvPSbZW8g+Od403NDAx1DS0tzJUU8hJzU22VXHwCdN0y c4AeVlIoS8wpBQoFJBYXK+nbYZoQGuKmawHTGKHrGxIE12NkgAYS1jBm7H87h6VgB3fF5ruu DYybObsYOTkkBEwkDv29yQhhi0lcuLeerYuRi0NIYBajRPecO2AJXgFBiR+T77F0MXJwMAvI Sxy5lA1hqktMmZILUf6AUWLqny0sEOVaEisarzCB2CwCqhKbD1wHs9mA4vtf3GAD6RUViJDo PlEJ0isiMJVR4vOpNhYQh1lgLbPEq/ZGVpAGYYEsiZWHLoLZQgKuEs8b3oDZnAJuEt8nLGSa wAh0JcJ5sxDOm4Vw3gJG5lWMEqkFyQXFSem5Rnmp5XrFibnFpXnpesn5uZsYwWnqmfQOxsO7 3A8xCnAwKvHwvrjMFS7EmlhWXJl7iFGCg1lJhHeCEne4EG9KYmVValF+fFFpTmrxIUZToP8m MkuJJucDU2heSbyhsYmZkaWRuaGFkbG5kjjv4//rwoQE0hNLUrNTUwtSi2D6mDg4pRoYC/Zb PTscufSN012J9dfmfM/xUTKXEDwr0jVr6ZGaFoPLD5vl2eebdtwUDdI3+2098/CKl55mYQUX 4u635ihfyEjoVNRjT/WXWuZ1UNxF8oOZxntzvxl/P8SdanngdJXJw//Nrp19LD9eHzPaUH43 w3RNQvyOKQv1GJlOKLW8P9vmb/uqadscJZbijERDLeai4kQAIBJtzGkDAAA= DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dear all, On 2016년 04월 08일 14:00, Chanwoo Choi wrote: > This patchset support the AMBA bus frequency scaling on Exynos5422-based > Odroid-XU3 board. But, this series only support the bus frequency scaling > for INT (Internal) block using VDD_INT power line. > > Also, to support the bus frequency scaling for Exynos542x SoC, > Exynos542x SoC has the specific 'NoC (Network on Chip) Probe' device > to measure the transfered data traffic on NoC (Network on Chip) > instead of PPMU (Platform Performance Monitoring Unit). NoC Probe device > provide the utilization for INT block of Exynos542x SoC. > > The generic exynos-bus frequency driver uses the 'NoC Probe' devfreq-event > device (drivers/devfreq/event/exynos-nocp.c) without any modification. > Just add the phandle of 'NoC Probe' dt node to bus dt node. > > Depend on: > This patchset depends on patch[1] which support the generic exynos-bus > frequency driver. > > [1] https://lkml.org/lkml/2016/4/8/14 > - [PATCH v8 00/20] PM / devferq: Add generic exynos bus frequency driver and new passive governor The dependency of these patch-set is changed from patches[1] to patches[2]. Because patches[1] has the possible recursive locking issue. Patches[2] fix this issue. [2] http://www.spinics.net/lists/arm-kernel/msg495976.html - [PATCH v9 00/20] PM / devferq: Add generic exynos bus frequency driver and new passive governor [snip] Best Regards, Chanwoo Choi