From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DEF69C432C0 for ; Tue, 19 Nov 2019 18:05:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AA01E21D7F for ; Tue, 19 Nov 2019 18:05:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727534AbfKSSFt (ORCPT ); Tue, 19 Nov 2019 13:05:49 -0500 Received: from muru.com ([72.249.23.125]:42934 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726836AbfKSSFt (ORCPT ); Tue, 19 Nov 2019 13:05:49 -0500 Received: from atomide.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 3DA6F809B; Tue, 19 Nov 2019 18:06:26 +0000 (UTC) Date: Tue, 19 Nov 2019 10:05:46 -0800 From: Tony Lindgren To: "Andrew F. Davis" Cc: Mark Rutland , linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] ARM: OMAP: Use ARM SMC Calling Convention when OP-TEE is available Message-ID: <20191119180546.GM35479@atomide.com> References: <20191118165236.22136-1-afd@ti.com> <20191118215759.GD35479@atomide.com> <20191118223128.GE35479@atomide.com> <29db708e-119e-8a89-7d43-e38e2a10dc07@ti.com> <20191119162157.GJ35479@atomide.com> <6e009ae3-6aa2-409b-749f-4947303940d8@ti.com> <20191119164227.GL35479@atomide.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191119164227.GL35479@atomide.com> User-Agent: Mutt/1.12.2 (2019-09-21) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Tony Lindgren [191119 16:43]: > What I'd like to have though is to make arm_smccc_smc() > work for optee and non-optee case for mach-omap2 as it > already has the features necessary to do the runtime > patching of the code for the quirks. In any case sounds like we only need the r12 quirk when optee is _not_ enabled. So a modified version of your earlier smccc-call.S patch modified to only enable the r12 quirk when no optee is loaded just might be all we need :) Regards, Tony