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From: Catalin Marinas <catalin.marinas@arm.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: "zhang.lyra@gmail.com" <zhang.lyra@gmail.com>,
	"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
	"ijc+devicetree@hellion.org.uk" <ijc+devicetree@hellion.org.uk>,
	"jslaby@suse.cz" <jslaby@suse.cz>,
	"galak@codeaurora.org" <galak@codeaurora.org>,
	"broonie@linaro.org" <broonie@linaro.org>,
	Mark Rutland <Mark.Rutland@arm.com>,
	"m-karicheri2@ti.com" <m-karicheri2@ti.com>,
	Pawel Moll <Pawel.Moll@arm.com>,
	"artagnon@gmail.com" <artagnon@gmail.com>,
	"rrichter@cavium.com" <rrichter@cavium.com>,
	"robh+dt@kernel.org" <robh+dt@kernel.org>,
	Will Deacon <Will.Deacon@arm.com>,
	"orsonzhai@gmail.com" <orsonzhai@gmail.com>,
	"geng.ren@spreadtrum.com" <geng.ren@spreadtrum.com>,
	"zhizhou.zhang@spreadtrum.com" <zhizhou.zhang@spreadtrum.com>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 2/6] arm64: Add DTS support for Spreadtrum's Shark64 SoC
Date: Wed, 1 Oct 2014 12:17:17 +0100	[thread overview]
Message-ID: <20141001111717.GH12702@e104818-lin.cambridge.arm.com> (raw)
In-Reply-To: <4004425.NZAxCnE0qr@wuerfel>

On Mon, Sep 29, 2014 at 02:47:47PM +0100, Arnd Bergmann wrote:
> On Monday 29 September 2014 20:04:49 zhang.lyra@gmail.com wrote:
> > +	cpus {
> > +		#address-cells = <2>;
> > +		#size-cells = <0>;
> > +
> > +		cpu@0 {
> > +			device_type = "cpu";
> > +			compatible = "arm,armv8";
> > +			reg = <0x0 0x0>;
> > +			enable-method = "spin-table";
> > +			cpu-release-addr = <0x0 0x8000fff8>;
> > +		};
> 
> New platforms should avoid using "spin-table" method. Please
> change the boot loader to implement PSCI if you can.

As usual, I strongly recommend PSCI here if the CPU supports EL3. It
would solve the cpuidle kernel support as well with the generic cpuidle
driver and the PSCI back-end.

-- 
Catalin

  reply	other threads:[~2014-10-01 11:17 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-29 12:04 [PATCH 0/6] Add Spreadtrum Shark64 SoC support zhang.lyra-Re5JQEeQqe8AvxtiuMwx3w
2014-09-29 12:04 ` [PATCH 1/6] Documentation: DT: Add bindings for Spreadtrum serial zhang.lyra
2014-09-29 13:39   ` Arnd Bergmann
     [not found]   ` <1411992293-7729-2-git-send-email-zhang.lyra-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-10-01 11:21     ` Mark Rutland
2014-10-02 15:08       ` Orson Zhai
2014-09-29 12:04 ` [PATCH 2/6] arm64: Add DTS support for Spreadtrum's Shark64 SoC zhang.lyra
     [not found]   ` <1411992293-7729-3-git-send-email-zhang.lyra-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-09-29 13:47     ` Arnd Bergmann
2014-10-01 11:17       ` Catalin Marinas [this message]
2014-10-15  3:17       ` Lyra Zhang
2014-10-20 19:00         ` Arnd Bergmann
2014-10-21  1:28           ` Lyra Zhang
2014-10-01 11:23     ` Mark Rutland
2014-09-29 12:04 ` [PATCH 3/6] arm64: dts/Makefile: Add " zhang.lyra
     [not found]   ` <1411992293-7729-4-git-send-email-zhang.lyra-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-09-29 14:47     ` Mark Brown
2014-09-30  9:26       ` Lyra Zhang
     [not found]       ` <20140929144752.GP16977-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2014-09-30  9:51         ` Lyra Zhang
2014-09-29 12:04 ` [PATCH 4/6] arm64: Add support for Spreadtrum's Shark64 SoC in Kconfig and defconfig zhang.lyra
2014-09-29 12:04 ` [PATCH 5/6] tty/serial: Add Spreadtrum's serial earlycon zhang.lyra
2014-09-29 13:36   ` Arnd Bergmann
2014-10-01 13:55     ` Rob Herring
     [not found]   ` <1411992293-7729-6-git-send-email-zhang.lyra-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-09-29 14:53     ` Mark Brown
2014-09-29 12:04 ` [PATCH 6/6] Documentation: Add entry for Spreadtrum's Shark64 SoC zhang.lyra
     [not found]   ` <1411992293-7729-7-git-send-email-zhang.lyra-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-09-29 13:30     ` Arnd Bergmann
2014-09-29 13:59   ` Arnd Bergmann
2014-09-30  7:05     ` Lyra Zhang
2014-09-30 10:08     ` Lyra Zhang
     [not found] ` <1411992293-7729-1-git-send-email-zhang.lyra-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-09-29 14:08   ` [PATCH 0/6] Add Spreadtrum Shark64 SoC support Arnd Bergmann
  -- strict thread matches above, loose matches on Subject: below --
2014-09-29 11:48 zhang.lyra-Re5JQEeQqe8AvxtiuMwx3w
2014-09-29 11:48 ` [PATCH 2/6] arm64: Add DTS support for Spreadtrum's Shark64 SoC zhang.lyra
     [not found]   ` <1411991314-6636-3-git-send-email-zhang.lyra-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-09-29 14:55     ` Andreas Färber

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