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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CD231C43334 for ; Thu, 30 Jun 2022 13:36:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=7fVGE73I5iaySKtJ8gxh2qpCkW+3y/8AD5GfmXoZnwI=; b=kAbdKHxbW2uR70 K5BNwUdDo+yMKw9ZcR3f08jBZetfvbBIdGVLu42HJyxQRRYEsSbxdJwi5d3E2eOTTi37rr7/MDPul DsX1YiH365WFRAerpLku1WAirjMDDWRHRdfwL69nlKTFVo7fT0LFKm22Oo6UpOtzsgMkMP/wN+2zl 0CcQBVmAo/rtS+gCnBTYAOB1IAr7oCPuzvgCfAVLLi1YaMVUeDeLJ+lZeuxds5epTJFGwcus2/GJH VWpCgDE+KeP6ERkK4WUhKFGDEK/3M7yDpGrDwrHQ0kXqSocguvrwmWoJFBoqiwgNRoEJIoF5E7xor Lhj9Jp9FSVO2A/G2J0CA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o6uKR-00HLbv-OR; Thu, 30 Jun 2022 13:35:31 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o6uKN-00HLZw-Vl for linux-arm-kernel@lists.infradead.org; Thu, 30 Jun 2022 13:35:29 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 808FA61F8C; Thu, 30 Jun 2022 13:35:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AA121C34115; Thu, 30 Jun 2022 13:35:23 +0000 (UTC) Date: Thu, 30 Jun 2022 14:35:19 +0100 From: Catalin Marinas To: Sudeep Holla Cc: linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, "Rafael J . Wysocki" , Lorenzo Pieralisi , Will Deacon Subject: Re: [PATCH 3/3] arm64: Add architecture specific ACPI FFH Opregion callbacks Message-ID: References: <20220616090106.2154906-1-sudeep.holla@arm.com> <20220616090106.2154906-4-sudeep.holla@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220616090106.2154906-4-sudeep.holla@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220630_063528_107005_8C5D6BD8 X-CRM114-Status: GOOD ( 12.02 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Jun 16, 2022 at 10:01:06AM +0100, Sudeep Holla wrote: > FFH Operation Region space can be used to trigger SMC or HVC calls, > using the Arm SMC Calling Convention (SMCCC). The choice of conduit > (SMC or HVC) is based on what the kernel choose based on PSCI as with > any other users of SMCCC within the kernel. > > Function identifiers only the SMCCC SiP Service, OEM Service and FF-A > specific call range. > > Offset can be either 0(32 bit calling convention) or 1(64 bit calling > convention). The length must be set with the range applicable based > on the value of the offset. > > Cc: Catalin Marinas > Cc: Will Deacon > Signed-off-by: Sudeep Holla Acked-by: Catalin Marinas _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel