From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Boyd Subject: Re: [PATCH v2 0/9] CPU enable method based SMP/hotplug + MSM conversion Date: Mon, 06 Jan 2014 14:19:11 -0800 Message-ID: <52CB2BDF.9040208@codeaurora.org> References: <1387845593-10050-1-git-send-email-sboyd@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1387845593-10050-1-git-send-email-sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Mark Rutland , Arnd Bergmann , Russell King Cc: David Brown , Rohit Vaswani , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Kumar Gala List-Id: linux-arm-msm@vger.kernel.org Ping? Can anyone take a look at the generic ARM and DT binding patches and provide acks/reviews? I'd like to send this through arm-soc via the MSM tree if possible. On 12/23/13 16:39, Stephen Boyd wrote: > This is a rework of patches sent a months back by Rohit[1]. > The goal of these patches is to add support for SMP and (basic) > hotplug on MSM based SoCs. To get there, we add support for a > generic way to hook in SMP/hotplug support code based on DT. To > show how it's used, we convert the MSM8660 SMP support code over > to the new method. After that we add support for the rest of the > upstream MSM SoCs (note these patches are piled high on top of > Rohit's patches to add 8074 support to MSM[2] and my follow ups[3,4], > but this should only matter to the MSM maintainers). > > This is one of the last items of code that still requires us to have > a mach directory and a machine descriptor. We should be able to move > the hotplug/smp code out of mach directories if this approach is > accepted. > > Changes since v1: > * Added pointers from cpu nodes to saw and acc nodes > * Squashed nr_cpus removal into reorganization patch > * Reworked bindings/documentation > * Rebased onto v3.13-rc4 > > [1] https://lkml.org/lkml/2013/8/1/770 > [2] https://lkml.org/lkml/2013/10/17/520 > [3] https://lkml.org/lkml/2013/10/18/406 > [4] http://lkml.org/lkml/2013/10/28/501 > > > Rohit Vaswani (6): > devicetree: bindings: Document Krait/Scorpion cpus and enable-method > ARM: msm: Remove pen_release usage > ARM: msm: Re-organize platsmp to make it extensible > ARM: msm: Add SMP support for KPSSv1 > ARM: msm: Add SMP support for KPSSv2 > ARM: dts: msm: Add nodes necessary for SMP boot > > Stephen Boyd (3): > devicetree: bindings: Document qcom,kpss-acc > devicetree: bindings: Document qcom,saw2 node > ARM: Introduce CPU_METHOD_OF_DECLARE() for cpu hotplug/smp > > Documentation/devicetree/bindings/arm/cpus.txt | 25 +- > .../devicetree/bindings/arm/msm/qcom,kpss-acc.txt | 30 ++ > .../devicetree/bindings/arm/msm/qcom,saw2.txt | 35 ++ > arch/arm/boot/dts/qcom-msm8660-surf.dts | 24 ++ > arch/arm/boot/dts/qcom-msm8960-cdp.dts | 52 +++ > arch/arm/boot/dts/qcom-msm8974.dtsi | 69 ++++ > arch/arm/include/asm/smp.h | 9 + > arch/arm/kernel/devtree.c | 40 +++ > arch/arm/mach-msm/Makefile | 2 +- > arch/arm/mach-msm/board-dt.c | 14 - > arch/arm/mach-msm/common.h | 1 - > arch/arm/mach-msm/headsmp.S | 39 --- > arch/arm/mach-msm/hotplug.c | 31 +- > arch/arm/mach-msm/platsmp.c | 371 ++++++++++++++++----- > arch/arm/mach-msm/scm-boot.h | 8 +- > include/asm-generic/vmlinux.lds.h | 10 + > 16 files changed, 595 insertions(+), 165 deletions(-) > create mode 100644 Documentation/devicetree/bindings/arm/msm/qcom,kpss-acc.txt > create mode 100644 Documentation/devicetree/bindings/arm/msm/qcom,saw2.txt > delete mode 100644 arch/arm/mach-msm/headsmp.S > -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html