From patchwork Thu Jun 15 12:10:04 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Antoine Tenart X-Patchwork-Id: 9788737 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id CE08B60384 for ; Thu, 15 Jun 2017 12:11:49 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BC442285EA for ; Thu, 15 Jun 2017 12:11:49 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B0E7B285EF; Thu, 15 Jun 2017 12:11:49 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 3F99B285EA for ; Thu, 15 Jun 2017 12:11:49 +0000 (UTC) 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:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=jbpF2b3RRvfE7PcbHXnqpXv2sNrnWISm7hLkfKudxHk=; b=gtkociRjjVrohhbspgUdX1JAjm dmZyjAcNhmP6Z1GqbH3eZI3EmV4X93dEUbdDFy6smvkZY06lVeBHUP/lOIWHkVRGrNDW/+U8S/Bsk G6a9LH3ElL0O+1lcCqGjXCBKFynWGEAsMtqdLMmfjgq/CDY39ULMZklGfJ1rLkcxczz8oYtxQlrQY AtzlYtn3jt6yN3+sVKuLdqRTNkgBEfXb+aMF2UV2OzBhtHPqfCQ0b3K3JPjLcyNb2mPvQkp2id1Et /2HhSbawjfGnYed+GE1Hch+p2nAjQaYiq01vOqwuCWVN8VBCQv4igqAenn2/L3oqRVOLQUQIJM+W+ rgJohRLA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dLTcp-0003hN-I6; Thu, 15 Jun 2017 12:11:47 +0000 Received: from mail.free-electrons.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dLTca-0003FZ-L9 for linux-arm-kernel@lists.infradead.org; Thu, 15 Jun 2017 12:11:34 +0000 Received: by mail.free-electrons.com (Postfix, from userid 110) id 9852721E42; Thu, 15 Jun 2017 14:11:11 +0200 (CEST) Received: from localhost (LStLambert-657-1-97-87.w90-63.abo.wanadoo.fr [90.63.216.87]) by mail.free-electrons.com (Postfix) with ESMTPSA id 6CA2421E45; Thu, 15 Jun 2017 14:11:01 +0200 (CEST) From: Antoine Tenart To: jason@lakedaemon.net, andrew@lunn.ch, gregory.clement@free-electrons.com, sebastian.hesselbarth@gmail.com Subject: [PATCH v2 3/3] arm64: dts: marvell: add a comment on the cp110 slave node status Date: Thu, 15 Jun 2017 14:10:04 +0200 Message-Id: <20170615121004.32257-3-antoine.tenart@free-electrons.com> X-Mailer: git-send-email 2.9.4 In-Reply-To: <20170615121004.32257-1-antoine.tenart@free-electrons.com> References: <20170615121004.32257-1-antoine.tenart@free-electrons.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170615_051132_897272_7BC34D67 X-CRM114-Status: GOOD ( 10.48 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: thomas.petazzoni@free-electrons.com, Antoine Tenart , nadavh@marvell.com, linux-arm-kernel@lists.infradead.org, oferh@marvell.com, igall@marvell.com MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The cryptographic engine found on the cp110 slave is disabled by default because of some known limitations. Add a comment to explain why it is disabled by default. Signed-off-by: Antoine Tenart --- arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi b/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi index 7e98c155cc6a..385ac30d6012 100644 --- a/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi @@ -234,6 +234,13 @@ "ring2", "ring3", "eip"; clocks = <&cps_syscon0 1 26>; dma-mask = <0xff 0xffffffff>; + /* + * The cryptographic engine found on the cp110 + * master is enabled by default at the SoC + * level. Because it is not possible as of now + * to enable two cryptographic engines in + * parallel, disable this one by default. + */ status = "disabled"; }; };