From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chanwoo Choi Subject: Re: [PATCH v2 0/8] PM / devfreq: Add NoCP devfreq-event and support busfreq on exyno5422-odroidxu3 Date: Tue, 03 May 2016 19:48:24 +0900 Message-ID: <572881F8.3020701@samsung.com> References: <1460701975-24178-1-git-send-email-cw00.choi@samsung.com> <20160503102922.GD3956@kozik-lap> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mailout2.samsung.com ([203.254.224.25]:42127 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750728AbcECKs3 (ORCPT ); Tue, 3 May 2016 06:48:29 -0400 In-reply-to: <20160503102922.GD3956@kozik-lap> Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: Krzysztof Kozlowski Cc: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, tomasz.figa@gmail.com, s.nawrocki@samsung.com, kgene@kernel.org, robh@kernel.org, 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 Hi Krzysztof, On 2016=EB=85=84 05=EC=9B=94 03=EC=9D=BC 19:29, Krzysztof Kozlowski wro= te: > On Fri, Apr 15, 2016 at 03:32:47PM +0900, Chanwoo Choi wrote: >> This patchset support the AMBA bus frequency scaling on Exynos5422-b= ased >> Odroid-XU3 board. But, this series only support the bus frequency sc= aling >> 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 de= vice >> 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 modificatio= n. >> 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-b= us >> frequency driver. >> [1] http://www.spinics.net/lists/arm-kernel/msg495976.html >> - [PATCH v9 00/20] PM / devferq: Add generic exynos bus frequency dr= iver and new passive governor >> >> >> Changse from v1: >> (https://lkml.org/lkml/2016/4/8/28) >> - Simplify the documentation of exynos-nocp.txt >> - Check the return value of regmap function >> - Modify Device Tree node name using general device name >> : nocp_memX_X@ nocp_memX_X -> nocp_memX_X@ nocp >> - Fix wrong node name about nocp device tree node >> - Drop the CLK_SET_RATE_PARENT flag >> - Reorder bus device tree node alpabetically >> - Add the tested-by tag from Anand Moon and Markus Reichl >> - Add the reviewed-by tag to patch5/7 from Exynos SoC Maintainer >> - Add patch2 to modify the devfreq_event_get_edev_by_phandle() >> to get the instance of devfreq-event device by using the phandle >> >> Chanwoo Choi (8): >> PM / devfreq: event: Add new Exynos NoC probe driver >> PM / devfreq: event: Find the instance of devfreq-event device by = using phandle >> PM / devfreq: exynos: Add the detailed correlation for Exynos5422 = bus >> ARM: dts: Add NoC Probe dt node for Exynos542x SoC >> dt-bindings: clock: Add the clock id for ACLK clock of Exynos542x = SoC >> clk: samsung: exynos542x: Add the clock id for ACLK >> ARM: dts: Add bus nodes using VDD_INT for Exynos542x SoC >> ARM: dts: Add support of Bus frequency using VDD_INT for exynos542= 2-odroidxu3 >=20 >=20 > Applied DTS patches for late v4.7 (hopefully). Thanks for your review and apply. Best Regards, Chanwoo Choi