From mboxrd@z Thu Jan 1 00:00:00 1970 From: lorenzo.pieralisi@arm.com (Lorenzo Pieralisi) Date: Fri, 8 Jan 2016 15:01:42 +0000 Subject: [PATCH v2] ARM64: kernel: implement ACPI parking protocol In-Reply-To: References: Message-ID: <20160108150142.GB10630@red-moon> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Loc, [CC'ed Jeremy - I know he is testing this on m400] On Fri, Dec 18, 2015 at 06:12:20PM -0800, Loc Ho wrote: [...] > >> I put it together to make sure that it is there if any platform > >> compliant with it relies on it and more importantly to prevent > >> non-compliant implentations from trickling into the kernel, > >> basically to prevent broken firmware implementations from being > >> considered compliant and "working". > > > > That's a good point. However, AFAIK, AMD are using PSCI already in their > > firmware implementation and that's what we recommend anyway if EL3 is > > available. > > > > So this patch is mainly aimed at X-Gene since other implementations I'm > > aware of have EL3 already. What are the chances of Applied Micro fixing > > their firmware and actually using this patch? (not a question for you; > > I'm hoping some Applied engineers would comment). > > > > Sorry that I missed this. This FW is now fixed and tested with Lorenzo > patch. Though some minor manual patch will be required with recent > kernel. I was going to get some one to ack the patch but got tied up > with other matter. As for availability of the FW, it is currently > internally only and will be available sometime next year for the next > FW release. If any one interested in the FW, you can contact me. I guess that by "some minor manual patch" you meant you had to rebase the patch on top of mainline, I can post an updated version for you to test. Mind giving a tested-by if FW has been updated to comply with the specs and tested with my patch applied ? Thanks, Lorenzo