From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomasz Figa Subject: Re: [PATCH 0/2] cpuidle fixes and cleanup Date: Tue, 08 Jul 2014 15:56:48 +0200 Message-ID: <53BBF8A0.1050005@samsung.com> References: <1404225158-8453-1-git-send-email-k.chander@samsung.com> <20140701145244.GX32514@n2100.arm.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from mailout2.w1.samsung.com ([210.118.77.12]:15835 "EHLO mailout2.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753861AbaGHN5W (ORCPT ); Tue, 8 Jul 2014 09:57:22 -0400 In-reply-to: Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: Chander Kashyap , Russell King - ARM Linux Cc: "linux-arm-kernel@lists.infradead.org" , "linux-samsung-soc@vger.kernel.org" , Kukjin Kim , Daniel Lezcano , "linux-pm@vger.kernel.org" , Shawn Guo , Will Deacon , Lorenzo Pieralisi On 02.07.2014 05:11, Chander Kashyap wrote: > On Tue, Jul 1, 2014 at 8:22 PM, Russell King - ARM Linux > wrote: >> On Tue, Jul 01, 2014 at 08:02:36PM +0530, Chander Kashyap wrote: >>> This patch series fixes the cpuidle for different states. Also removes arm >>> diagnostic and power register save/restore code as it is made generic. >>> >>> Based on: >>> ARM: save/restore diagnostic register on Cortex-A9 suspend/resume >>> http://www.spinics.net/lists/arm-kernel/msg340506.html [Ccing people who participated in discussion in that thread] >> >> As there is an outstanding issue with this patch, we can't proceed with >> this set of changes until we know what's going on there. > > Sure, I will wait for the conclusion. So I believe the conclusion was that this can't be handled in generic way, because on systems running in non-secure mode writing to those registers faults. However I believe this could be moved into generic helpers. Best regards, Tomasz From mboxrd@z Thu Jan 1 00:00:00 1970 From: t.figa@samsung.com (Tomasz Figa) Date: Tue, 08 Jul 2014 15:56:48 +0200 Subject: [PATCH 0/2] cpuidle fixes and cleanup In-Reply-To: References: <1404225158-8453-1-git-send-email-k.chander@samsung.com> <20140701145244.GX32514@n2100.arm.linux.org.uk> Message-ID: <53BBF8A0.1050005@samsung.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 02.07.2014 05:11, Chander Kashyap wrote: > On Tue, Jul 1, 2014 at 8:22 PM, Russell King - ARM Linux > wrote: >> On Tue, Jul 01, 2014 at 08:02:36PM +0530, Chander Kashyap wrote: >>> This patch series fixes the cpuidle for different states. Also removes arm >>> diagnostic and power register save/restore code as it is made generic. >>> >>> Based on: >>> ARM: save/restore diagnostic register on Cortex-A9 suspend/resume >>> http://www.spinics.net/lists/arm-kernel/msg340506.html [Ccing people who participated in discussion in that thread] >> >> As there is an outstanding issue with this patch, we can't proceed with >> this set of changes until we know what's going on there. > > Sure, I will wait for the conclusion. So I believe the conclusion was that this can't be handled in generic way, because on systems running in non-secure mode writing to those registers faults. However I believe this could be moved into generic helpers. Best regards, Tomasz