From mboxrd@z Thu Jan 1 00:00:00 1970 From: myungjoo.ham@samsung.com (MyungJoo Ham) Date: Mon, 02 May 2016 05:48:52 +0000 (GMT) Subject: Fwd: [PATCH v2 0/8] PM / devfreq: Add NoCP devfreq-event and support busfreq on exyno5422-odroidxu3 Message-ID: <1894783822.297231462168123817.JavaMail.weblogic@ep2mlwas04a> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Sender : ??? S5(??)/Change Agent/Tizen Platform Lab(S/W??)/???? Date : 2016-04-15 15:32 (GMT+09:00) > > 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. Along with Devfreq/Passive patchset, the patchset is merged in devfreq for-4.7 tree. https://git.kernel.org/cgit/linux/kernel/git/mzx/devfreq.git/log/?h=for-4.7 @Chanwoo: If there are commits to be merged by a tree other than Linux/PM, please let me know. I'll send out pull-request soon. Cheers, MyungJoo > > 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] 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 > >