linux-kernel - Re: [linux-sunxi] [RFC 0/7] ARM: sun9i: SMP support with Multi-Cluster Power Management

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Date:	Sat, 16 May 2015 11:08:46 +0100
From:	Ian Campbell <ijc@...lion.org.uk>
To:	wens@...e.org
Cc:	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Nicolas Pitre <nicolas.pitre@...aro.org>,
	Dave Martin <Dave.Martin@....com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-sunxi@...glegroups.com
Subject: Re: [linux-sunxi] [RFC 0/7] ARM: sun9i: SMP support with
 Multi-Cluster Power Management

On Thu, 2015-05-14 at 14:10 +0800, Chen-Yu Tsai wrote:
> This is my attempt to support SMP and CPU hot plugging on the Allwinner
> A80 SoC. The A80 is a big.Little processor with 2 clusters of 4x Cortex-A7
> and 4x Cortex-A15 cores.

I thought there was a preference these days to support this sort of
thing via support PSCI in the firmware, which allows for other things
such as non-secure-world etc.

Ian.

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