linux-kernel - Re: [PATCH v3 0/5] Add SMP bringup support for mt65xx socs

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Date:	Wed, 05 Aug 2015 20:44:11 +0200
From:	Matthias Brugger <matthias.bgg@...il.com>
To:	Yingjoe Chen <yingjoe.chen@...iatek.com>
Cc:	Russell King <linux@....linux.org.uk>, devicetree@...r.kernel.org,
	Arnd Bergmann <arnd@...db.de>,
	Stephen Boyd <sboyd@...eaurora.org>,
	linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
	linux-mediatek@...ts.infradead.org,
	Sascha Hauer <kernel@...gutronix.de>,
	Olof Johansson <olof@...om.net>, srv_heupstream@...iatek.com,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 0/5] Add SMP bringup support for mt65xx socs

On Tuesday, July 14, 2015 01:18:26 PM Yingjoe Chen wrote:
> This series add SMP brinup support for MediaTek SoCs. This is based
> on v4.2-rc1 and Matthias' next branch (for dts parts).
> 
> There are similar but different SMP bringup up methods on MediaTek
> mt65xx and mt81xx. On MT8135 & MT8127, system boots with a trustzone
> firmware. Others, like MT6589, doesn't have trustzone, and run kernel
> directly in secure world.
> 
> Patch 1 enable arch timer support.
> Patch 2,3 add support for cpu enable-method "mediatek,mt6589-smp" and
> "mediatek,mt81xx-tz-smp", which support Mediatek SMP bringup for non-TZ
> and TZ platform.
> Patch 4,5 finally enable SMP bringup for mt8135 and mt8127.
> 
> Changes in v3:
> - The first 2 patches in v2 are merged in v4.2-rc1.
> - Patch 3~4 in v2 are moved to another series [1]
> - platsmp.c changes based on Stephen's suggestion
> - Change cpu enable-method name to "mediatek,mt6589-smp"
> 
> Changes in v2:
> - Fix boot issue for THUMB2 kernel.
> - Not enable GPT_CLK_EVT when setup to fix GPT spurious interrupt issue
> - Change platsmp.c according to Matthias' suggestion
> http://lists.infradead.org/pipermail/linux-mediatek/2015-May/000714.html
> 
> v1:
> http://lists.infradead.org/pipermail/linux-mediatek/2015-May/000528.html
> 
> [1]
> http://lists.infradead.org/pipermail/linux-mediatek/2015-July/001544.html
> 
> Matthias Brugger (1):
>   ARM: mediatek: enable gpt6 on boot up to make arch timer working
> 
> Yingjoe Chen (4):
>   devicetree: bindings: add new SMP enable method Mediatek SoC
>   ARM: mediatek: add smp bringup code
>   ARM: dts: mt8135: enable basic SMP bringup for mt8135
>   ARM: dts: mt8127: enable basic SMP bringup for mt8127
> 
>  Documentation/devicetree/bindings/arm/cpus.txt |   2 +
>  arch/arm/boot/dts/mt8127.dtsi                  |  16 +++
>  arch/arm/boot/dts/mt8135.dtsi                  |  16 +++
>  arch/arm/mach-mediatek/Makefile                |   3 +
>  arch/arm/mach-mediatek/mediatek.c              |  27 +++++
>  arch/arm/mach-mediatek/platsmp.c               | 144
> +++++++++++++++++++++++++ 6 files changed, 208 insertions(+)
>  create mode 100644 arch/arm/mach-mediatek/platsmp.c

Applied to v4.2-next/soc-2 and v4.2-next/dts-2 

Thanks,
Matthias
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