From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753843AbcHZSmW (ORCPT ); Fri, 26 Aug 2016 14:42:22 -0400 Received: from mail-db5eur01on0067.outbound.protection.outlook.com ([104.47.2.67]:55903 "EHLO EUR01-DB5-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751758AbcHZSlu (ORCPT ); Fri, 26 Aug 2016 14:41:50 -0400 From: Yongcai Huang To: Fabio Estevam CC: "linux-arm-kernel@lists.infradead.org" , "devicetree@vger.kernel.org" , linux-kernel , Mark Rutland , Russell King - ARM Linux , "robh+dt@kernel.org" , "Sascha Hauer" , Fabio Estevam , "Shawn Guo" Subject: RE: [PATCH 0/3] Add SMP support for i.MX7D Thread-Topic: [PATCH 0/3] Add SMP support for i.MX7D Thread-Index: AQHR/0mRIod8bK3bIkSl1W62hWh4GKBbMDgAgAAEh2A= Date: Fri, 26 Aug 2016 13:02:12 +0000 Message-ID: References: <1472209971-32469-1-git-send-email-Anson.Huang@nxp.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=anson.huang@nxp.com; x-originating-ip: [199.59.231.64] x-ms-office365-filtering-correlation-id: 262bdf37-af09-4049-97f8-08d3cdb1323c x-microsoft-exchange-diagnostics: 1;DB6PR0402MB2744;6:bOOdACwaQ8q+Q43O1iKA5rdMHni53SFlpMNHQ88T1lwXBhyR9620QjCxWsXFLPUHrhn5FZgxSsA8/pzUlKrw4NkDnALfy977jiR4OjePgdHs4x/YpJQMmf9YgdBFEKLt4TNFSsAOjcONPdRJtci5A4HhsyTzTFTvOQ2Bht4+Cncgdk0ZatNFEAp9QZiFkD3hnWjbz81TGJcaIbDqrPUCwoTCZe+cx+7QvWVBGu5QbmfWDzSMO9tG7NS5jcs1EGjPGqvjxsBU8E8jrkwcqB56EtTmGSMmhiN2OZLcIZuNVSyZq9aQF0wTA+kiGQAxQbUhY9yPXVan7aHfpeYd+EoWOw==;5:ibwXbroBss3b2tac3+ZwtQQgwgtK9n/U8/YJDYo0hq0i5VmwZwMoL17PbGt1H/ByP9YceGpR7es+rjZSC2Lxm5kddv3hJFEEK9qjzldtGs9Xz54LyjhB9fBivmh4aFK8ATdNjiILvlX+Lv0pUUbXxw==;24:39LoA4UosbUjc13VflN0/LQKZfb9lVBAz5b5Ig4ubHwuLLaR58GeWNogPexWQnNaMgh/DA+TmjlA0QtshNXpiNZnxYLQIFv+/NsTK0HmmHA=;7:fRbAgy9dZIRuJU75XaKTffiAdpx4jFvqDrGWQ4EzH/7FwSuq2tup2lVxYWjFFwqR9rPf8HI7QDpHZG22Ab1cLLFVNbmaPz921lBhsBijlcDOnhBRZFAJ+1kenzC/Uz8Skb0ra4jGWkL1nFPGNqx4L7ZsAIVhZhgbA1bTyXrqbxeBclxIVZKBAsncNCRnxujOSC4dbOkuEKhPX17hjR4aF6OkkBJsDCFhsfLKTA1cXo26FCTUE0nOtcsOUJxiHvBC x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:DB6PR0402MB2744; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(180628864354917)(9452136761055)(185117386973197)(788757137089)(258649278758335); x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(6040176)(601004)(2401047)(8121501046)(5005006)(3002001)(10201501046)(6055026);SRVR:DB6PR0402MB2744;BCL:0;PCL:0;RULEID:;SRVR:DB6PR0402MB2744; x-forefront-prvs: 00462943DE x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(6009001)(7916002)(199003)(377454003)(24454002)(189002)(377424004)(13464003)(106356001)(106116001)(1411001)(87936001)(105586002)(19580405001)(19580395003)(92566002)(11100500001)(86362001)(66066001)(5002640100001)(33656002)(101416001)(5250100002)(2950100001)(189998001)(76176999)(54356999)(2900100001)(50986999)(15975445007)(9686002)(81156014)(97736004)(8936002)(110136002)(8676002)(5660300001)(81166006)(4326007)(76576001)(6116002)(7846002)(102836003)(305945005)(74316002)(3846002)(3660700001)(586003)(7696003)(3280700002)(2906002)(7736002)(68736007)(21314002);DIR:OUT;SFP:1101;SCL:1;SRVR:DB6PR0402MB2744;H:AM3PR04MB1315.eurprd04.prod.outlook.com;FPR:;SPF:None;PTR:InfoNoRecords;A:1;MX:1;LANG:en; spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-originalarrivaltime: 26 Aug 2016 13:02:12.4348 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB6PR0402MB2744 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id u7QIgknf012821 Best Regards! Anson Huang > -----Original Message----- > From: Fabio Estevam [mailto:festevam@gmail.com] > Sent: 2016-08-26 8:43 PM > To: Yongcai Huang > Cc: linux-arm-kernel@lists.infradead.org; devicetree@vger.kernel.org; linux- > kernel ; Mark Rutland > ; Russell King - ARM Linux ; > robh+dt@kernel.org; Sascha Hauer ; Fabio Estevam > ; Shawn Guo > Subject: Re: [PATCH 0/3] Add SMP support for i.MX7D > > Hi Anson, > > On Fri, Aug 26, 2016 at 8:12 AM, Anson Huang wrote: > > i.MX7D has 2 Cortex-A7 ARM cores, and it has a different GPC design > > than i.MX6, so this patch set adds a new GPCV2 driver for i.MX7D, and > > also adds runtime check in SMP code to support both Cortex-A9 and > > Cortex-A7 ARM cores. > > > > With this patch set, i.MX7D can boot up SMP kernel with 2 CPUs. > > Currently mx7d can boot the 2 CPUs if you use PSCI in the bootloader. > > Give mainline U-Boot a try and it will boot the 2 CPUs via PSCI. > > There was an attempt to add gpcv2 support at: > https://patchwork.kernel.org/patch/6919831/ > > , and Shawn suggested to go to the PSCI approach. > > PSCI for mx7 is still missing suspend support though. > > Regards, > > Fabio Estevam Thanks Fabio for the info, OK, now that i.MX7D goes with PSCI, then please Ignore this patch set, and I will add suspend support later. Please ignore this Patch set. For the suggestion of replace cpu_is_xxx with soc_is_xxx by Russell King, I will Send another patch to improve that. Anson.