From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752480AbbEPK1s (ORCPT ); Sat, 16 May 2015 06:27:48 -0400 Received: from benson.vm.bytemark.co.uk ([212.110.190.137]:48995 "EHLO benson.vm.bytemark.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750810AbbEPK1r (ORCPT ); Sat, 16 May 2015 06:27:47 -0400 X-Greylist: delayed 1132 seconds by postgrey-1.27 at vger.kernel.org; Sat, 16 May 2015 06:27:47 EDT Message-ID: <1431770926.5748.41.camel@hellion.org.uk> Subject: Re: [linux-sunxi] [RFC 0/7] ARM: sun9i: SMP support with Multi-Cluster Power Management From: Ian Campbell To: wens@csie.org Cc: Maxime Ripard , Nicolas Pitre , Dave Martin , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com Date: Sat, 16 May 2015 11:08:46 +0100 In-Reply-To: <1431583811-25780-1-git-send-email-wens@csie.org> References: <1431583811-25780-1-git-send-email-wens@csie.org> Content-Type: text/plain; charset="ISO-8859-1" X-Mailer: Evolution 3.12.9-1+b1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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.