From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kukjin Kim Subject: RE: [GIT PULL 3/5] Samsung exynos cpuidle update for v3.17 Date: Sat, 09 Aug 2014 09:35:49 +0900 Message-ID: <010101cfb369$dfe6da20$9fb48e60$@samsung.com> References: <53C9C159.4070305@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from mailout4.samsung.com ([203.254.224.34]:47698 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751038AbaHIAfy (ORCPT ); Fri, 8 Aug 2014 20:35:54 -0400 Received: from epcpsbgr5.samsung.com (u145.gpu120.samsung.co.kr [203.254.230.145]) by mailout4.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0NA00064KKBS3Q10@mailout4.samsung.com> for linux-samsung-soc@vger.kernel.org; Sat, 09 Aug 2014 09:35:53 +0900 (KST) In-reply-to: Content-language: ko Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: 'Kevin Hilman' Cc: arm@kernel.org, 'Arnd Bergmann' , 'Olof Johansson' , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, 'Daniel Lezcano' , 'Chander Kashyap' , 'Doug Anderson' , 'Javier Martinez Canillas' , =?UTF-8?Q?'Andreas_F=C3=A4rber'?= Kevin Hilman wrote: > > Hello, > Hi, > On Fri, Jul 18, 2014 at 5:52 PM, Kukjin Kim wrote: > > The following changes since commit 1795cd9b3a91d4b5473c97f491d63892442212ab: > > > > Linux 3.16-rc5 (2014-07-13 14:04:33 -0700) > > > > are available in the git repository at: > > > > git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung.git > > tags/exynos-cpuidle > > > > for you to fetch changes up to fc2cac41ebbfb16da8b036cba6ec6714ab780a6d: > > > > ARM: EXYNOS: populate suspend and powered_up callbacks for mcpm > > (2014-07-19 03:36:00 +0900) > > > > ---------------------------------------------------------------- > > exynos cpuidle update for v3.17 > > > > - add callbacks exynos_suspend() and exynos_powered_up() > > for support cpuidle through mcpm > > - skip exynos_cpuidle for exynos5420 because is uses > > cpuidle-big-liggle generic cpuidle driver > > - add generic functions to calculate cpu number is used > > for pmu and this is required for exynos5420 multi-cluster > > - add of_device_id structure for big.LITTLE cpuidle and > > add "samsung,exynos5420" compatible string for exynos5420 > > I'm curious what platforms this is expected to work on, and where it's > been tested. > exynos5420 and its reference board, smdk5420. > I tried it on exynos5800-peach-pi (chromebook2) and it hangs up (no > kernel messages) shortly after the driver loads, and never finishes to > boot. > Oh, sorry about that, if so, it should be fixed before -rc1. Just note that I thought since exynos5800 is very similar with exynos5420 so I didn't ask Chander to test the series on exynos5800 based board...Just asked to test with Nico's mcpm series. BTW, unfortunately I have no exynos5800-peach-pi... > I needed an extra compatible entry for the 5800 in the driver for the > driver to load, which suggests it hasn't been tested on 5800, but at > least in theory, this should be compatible with the 542x, right? > Yes I think so. As you can see in exynos5800.dtsi, it is including exynos5420. > For testing, I tried today's linux-next and arm-soc/for-next. > Hmm...why is the problem happened at last? Not at that time? :( I need to figure it out... Thanks, Kukjin From mboxrd@z Thu Jan 1 00:00:00 1970 From: kgene.kim@samsung.com (Kukjin Kim) Date: Sat, 09 Aug 2014 09:35:49 +0900 Subject: [GIT PULL 3/5] Samsung exynos cpuidle update for v3.17 In-Reply-To: References: <53C9C159.4070305@samsung.com> Message-ID: <010101cfb369$dfe6da20$9fb48e60$@samsung.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Kevin Hilman wrote: > > Hello, > Hi, > On Fri, Jul 18, 2014 at 5:52 PM, Kukjin Kim wrote: > > The following changes since commit 1795cd9b3a91d4b5473c97f491d63892442212ab: > > > > Linux 3.16-rc5 (2014-07-13 14:04:33 -0700) > > > > are available in the git repository at: > > > > git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung.git > > tags/exynos-cpuidle > > > > for you to fetch changes up to fc2cac41ebbfb16da8b036cba6ec6714ab780a6d: > > > > ARM: EXYNOS: populate suspend and powered_up callbacks for mcpm > > (2014-07-19 03:36:00 +0900) > > > > ---------------------------------------------------------------- > > exynos cpuidle update for v3.17 > > > > - add callbacks exynos_suspend() and exynos_powered_up() > > for support cpuidle through mcpm > > - skip exynos_cpuidle for exynos5420 because is uses > > cpuidle-big-liggle generic cpuidle driver > > - add generic functions to calculate cpu number is used > > for pmu and this is required for exynos5420 multi-cluster > > - add of_device_id structure for big.LITTLE cpuidle and > > add "samsung,exynos5420" compatible string for exynos5420 > > I'm curious what platforms this is expected to work on, and where it's > been tested. > exynos5420 and its reference board, smdk5420. > I tried it on exynos5800-peach-pi (chromebook2) and it hangs up (no > kernel messages) shortly after the driver loads, and never finishes to > boot. > Oh, sorry about that, if so, it should be fixed before -rc1. Just note that I thought since exynos5800 is very similar with exynos5420 so I didn't ask Chander to test the series on exynos5800 based board...Just asked to test with Nico's mcpm series. BTW, unfortunately I have no exynos5800-peach-pi... > I needed an extra compatible entry for the 5800 in the driver for the > driver to load, which suggests it hasn't been tested on 5800, but at > least in theory, this should be compatible with the 542x, right? > Yes I think so. As you can see in exynos5800.dtsi, it is including exynos5420. > For testing, I tried today's linux-next and arm-soc/for-next. > Hmm...why is the problem happened at last? Not at that time? :( I need to figure it out... Thanks, Kukjin