From: Catalin Marinas <catalin.marinas@arm.com>
To: Mark Rutland <mark.rutland@arm.com>
Cc: Kumar Gala <galak@codeaurora.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"heiko@sntech.de" <heiko@sntech.de>,
"linux-arm-msm@vger.kernel.org" <linux-arm-msm@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"arm@kernel.org" <arm@kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v3 2/4] arm64: dts: Add Qualcomm MSM8916 SoC and evaluation board dts
Date: Fri, 13 Mar 2015 12:07:00 +0000 [thread overview]
Message-ID: <20150313120659.GE30671@e104818-lin.cambridge.arm.com> (raw)
In-Reply-To: <20150313103453.GA3592@leverpostej>
On Fri, Mar 13, 2015 at 10:34:54AM +0000, Mark Rutland wrote:
> > > Which of spin-table/psci are you planning on using for SMP support, and
> > > when would that be likely to appear?
> >
> > We have a qcom specific SMP enablement method for this device. This
> > was one of our first devices so it utilized as much from arm 32-bit as
> > possible.
>
> Implementation specific enable methods are something we really don't
> want to see for arm64.
I fully agree (and we've been stating this for over two years).
> If PSCI is out of the question then a spin-table shim in your
> bootloader shouldn't be too hard to implement.
And I guess only WFI cpuidle supported in Linux.
--
Catalin
next prev parent reply other threads:[~2015-03-13 12:07 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1426107080-29079-1-git-send-email-galak@codeaurora.org>
2015-03-11 20:51 ` [PATCH v3 2/4] arm64: dts: Add Qualcomm MSM8916 SoC and evaluation board dts Kumar Gala
2015-03-12 17:05 ` Mark Rutland
2015-03-12 17:33 ` Kumar Gala
2015-03-12 18:25 ` Mark Rutland
2015-03-12 19:54 ` Kumar Gala
[not found] ` <F0B0524B-AC0E-4E60-9A21-1208C4A978F5-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2015-03-13 10:34 ` Mark Rutland
2015-03-13 12:07 ` Catalin Marinas [this message]
2015-03-11 20:51 ` [PATCH v3 3/4] devicetree: bindings: Document qcom,msm-id and qcom,board-id Kumar Gala
2015-03-11 20:51 ` [PATCH v3 4/4] arm64: dts: Add Qualcomm MSM8916 & MTP8916 ids Kumar Gala
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