From mboxrd@z Thu Jan 1 00:00:00 1970 MIME-Version: 1.0 In-Reply-To: References: <1428601031-5366-1-git-send-email-galak@codeaurora.org> <20150410110328.GC25921@red-moon> Date: Thu, 16 Apr 2015 17:08:32 -0500 Message-ID: Subject: Re: [RFC PATCH 0/5] Add smp booting support for Qualcomm ARMv8 SoCs From: Rob Herring Content-Type: text/plain; charset=UTF-8 To: Kumar Gala Cc: Lorenzo Pieralisi , "devicetree@vger.kernel.org" , "linux-arm-msm@vger.kernel.org" , "abhimany@codeaurora.org" , Will Deacon , "linux-kernel@vger.kernel.org" , "arm@kernel.org" , Catalin Marinas , "linux-arm-kernel@lists.infradead.org" List-ID: On Fri, Apr 10, 2015 at 10:25 AM, Kumar Gala wrote: > > On Apr 10, 2015, at 6:03 AM, Lorenzo Pieralisi wrote: > >> On Thu, Apr 09, 2015 at 06:37:06PM +0100, Kumar Gala wrote: >>> This patch set adds support for SMP boot on the MSM8x16 family of Qualcomm SoCs. >>> >>> To support SMP on the MSM8x16 SoCs we need to add ARMv8/64-bit SCM interfaces to >>> setup the boot/release addresses for the secondary CPUs. In addition we need >>> a uniquie set of cpu ops. I'm aware the desired methods for booting secondary >>> CPUs is either via spintable or PSCI. However, these SoCs are shipping with a >>> firmware that does not support those methods. >> >> Why ? Do not tell me you were not aware of those standard methods, >> because I can't believe you. >> >> If there were additional features to add to spin-table and PSCI, >> you were, you are and you will always be welcome to debate them. >> >> There is no justification for this patchset, honestly. >> >> Lorenzo > > The justification for this patchset is support for a hardware platform that exists in the world. The kernel usual is willing to accept such things as long as the code is reasonable. > > - k > > -- > Qualcomm Innovation Center, Inc. > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, > a Linux Foundation Collaborative Project > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel