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=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 4AFBAC433E1 for ; Wed, 10 Jun 2020 08:32:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3516120734 for ; Wed, 10 Jun 2020 08:32:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726803AbgFJIcu (ORCPT ); Wed, 10 Jun 2020 04:32:50 -0400 Received: from foss.arm.com ([217.140.110.172]:54880 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726699AbgFJIcu (ORCPT ); Wed, 10 Jun 2020 04:32:50 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id C94771F1; Wed, 10 Jun 2020 01:32:49 -0700 (PDT) Received: from bogus (unknown [10.37.12.97]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 37EC23F6CF; Wed, 10 Jun 2020 01:32:47 -0700 (PDT) Date: Wed, 10 Jun 2020 09:32:37 +0100 From: Sudeep Holla To: Rob Herring Cc: Will Deacon , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Marc Zyngier , Sudeep Holla Subject: Re: [RFC PATCH 1/3] dt-bindings: Add ARM PSA FF binding for non-secure VM partitions Message-ID: <20200610083237.GA4867@bogus> References: <20200601094512.50509-1-sudeep.holla@arm.com> <20200601094512.50509-2-sudeep.holla@arm.com> <20200609223551.GA1620273@bogus> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200609223551.GA1620273@bogus> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 09, 2020 at 04:35:51PM -0600, Rob Herring wrote: > On Mon, Jun 01, 2020 at 10:45:10AM +0100, Sudeep Holla wrote: > > Add devicetree bindings for a Arm PSA FF-A compliant non-secure partition > > at virtual interface(VMs). > > > > Signed-off-by: Sudeep Holla > > --- > > .../devicetree/bindings/arm/arm,psa-ffa.txt | 47 +++++++++++++++++++ > > 1 file changed, 47 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/arm/arm,psa-ffa.txt > > I'm hoping this goes away if the firmware is discoverable, but if not DT > bindings are DT schema now. > Yes, consider it gone. I introduced it to couple of reasons both of which are now irrelevant. We may revisit this if we need it for Rx/Tx buffer information. The KVM host may need the binding, this was for the guests/ partitions as Will has already mentioned. -- Regards, Sudeep 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=-5.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 908E7C433E0 for ; Wed, 10 Jun 2020 08:32:54 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 5D29A2064C for ; Wed, 10 Jun 2020 08:32:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="oCBkAhcJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5D29A2064C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject: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=QBKF6+7Y1+16Gcp0imgw9XxcibViNdtvMrcapU5yoOo=; b=oCBkAhcJo2JqOW 409uVSRY54w0eDKZadgMcDot6GQOiz+OFl1biWIMcfBAqFFrY2V+nPJvgkIz0kaCAiaDtLwu2xhpI S0lUlDCC9tQiu5tXr5HBppEtMZ/V3fnhEVoAqE5rmsNXCFua9NUQXdXbXI0SNgn4UdQa1p9C+wHaS qZcXyc6Ly2qtHZ1jz2O4Av5YdUXeB+kN5+MM5H4Hi6HxRje/mk+OplLitL8KW6PivT6z6NdcWDTSn pIPlq1z8UY5pVw/MCbdU63y5G4o+0SxJcV7isCt8q2tqCTbNKEGzj0tpwlJE7aS2PfVpRCjKNwfsr pyn4+3ERiXxDLSjmyuWA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jiwAH-0003li-Mw; Wed, 10 Jun 2020 08:32:53 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jiwAE-0003lD-Fv for linux-arm-kernel@lists.infradead.org; Wed, 10 Jun 2020 08:32:51 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id C94771F1; Wed, 10 Jun 2020 01:32:49 -0700 (PDT) Received: from bogus (unknown [10.37.12.97]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 37EC23F6CF; Wed, 10 Jun 2020 01:32:47 -0700 (PDT) Date: Wed, 10 Jun 2020 09:32:37 +0100 From: Sudeep Holla To: Rob Herring Subject: Re: [RFC PATCH 1/3] dt-bindings: Add ARM PSA FF binding for non-secure VM partitions Message-ID: <20200610083237.GA4867@bogus> References: <20200601094512.50509-1-sudeep.holla@arm.com> <20200601094512.50509-2-sudeep.holla@arm.com> <20200609223551.GA1620273@bogus> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200609223551.GA1620273@bogus> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200610_013250_586563_8F09AE1A X-CRM114-Status: GOOD ( 12.88 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Marc Zyngier , linux-kernel@vger.kernel.org, Sudeep Holla , Will Deacon , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Jun 09, 2020 at 04:35:51PM -0600, Rob Herring wrote: > On Mon, Jun 01, 2020 at 10:45:10AM +0100, Sudeep Holla wrote: > > Add devicetree bindings for a Arm PSA FF-A compliant non-secure partition > > at virtual interface(VMs). > > > > Signed-off-by: Sudeep Holla > > --- > > .../devicetree/bindings/arm/arm,psa-ffa.txt | 47 +++++++++++++++++++ > > 1 file changed, 47 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/arm/arm,psa-ffa.txt > > I'm hoping this goes away if the firmware is discoverable, but if not DT > bindings are DT schema now. > Yes, consider it gone. I introduced it to couple of reasons both of which are now irrelevant. We may revisit this if we need it for Rx/Tx buffer information. The KVM host may need the binding, this was for the guests/ partitions as Will has already mentioned. -- Regards, Sudeep _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel