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=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_SANE_2 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 E7F79C76188 for ; Mon, 22 Jul 2019 09:50:58 +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 B9B7A2199C for ; Mon, 22 Jul 2019 09:50:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="tem6kOX0" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B9B7A2199C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.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:MIME-Version:References:In-Reply-To: Date:To:From:Subject:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=K2HVXC9mPL7b1Pzo2u44Lo0lMSvgtgr9gKYIFDGNINc=; b=tem6kOX0YJFdbf E3dyB5rUkTVJtzvy0rCPFMdOq9rnOvp4PtHZcn7rA8KmPlVfw0okKDKvI1av7AUGTKZyb2BbyuvaS TXY4IhjVu9DPSXeF/zg2PLb8CoGRcX/u03JLpGdF//7kY21CSQp++/dQHzZ1iAWSBPFrV1totSZ2a yp299QEGcSfc8+RhR7kb5tqXQ1pvt2S72k6i8RFrlLNU+vg+h3PzjowpN4yJdrFgl6GRO8r6Kpd4Y /hnz8F2LZfCJVIQnBMAmhx6vLPJo/7zLADDUu0WS+e92Nee/DK2tnQeAGdfPiOwZxDkhh+4AB6wnf Pf/iMLVPD6MUU0m28vjQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hpUyA-0005k5-1M; Mon, 22 Jul 2019 09:50:58 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hpUy5-0005gs-Q2; Mon, 22 Jul 2019 09:50:55 +0000 X-UUID: b4e55aa18221420e8b43f6fde219ad0d-20190722 X-UUID: b4e55aa18221420e8b43f6fde219ad0d-20190722 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1759627634; Mon, 22 Jul 2019 01:50:46 -0800 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 22 Jul 2019 02:50:44 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 22 Jul 2019 17:50:43 +0800 Received: from [172.21.77.33] (172.21.77.33) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Mon, 22 Jul 2019 17:50:42 +0800 Message-ID: <1563789042.14676.3.camel@mtkswgap22> Subject: Re: [PATCH v4 0/3] MediaTek Security random number generator support From: Neal Liu To: Matt Mackall , Rob Herring , "Herbert Xu" , Mark Rutland , Matthias Brugger , Sean Wang Date: Mon, 22 Jul 2019 17:50:42 +0800 In-Reply-To: <1561361052-13072-1-git-send-email-neal.liu@mediatek.com> References: <1561361052-13072-1-git-send-email-neal.liu@mediatek.com> X-Mailer: Evolution 3.2.3-0ubuntu6 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190722_025053_846608_5EA64A0D X-CRM114-Status: GOOD ( 12.09 ) 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" , wsd_upstream , "linux-kernel@vger.kernel.org" , Crystal Guo =?UTF-8?Q?=28=E9=83=AD=E6=99=B6=29?= , "linux-crypto@vger.kernel.org" , Neal Liu , "linux-mediatek@lists.infradead.org" , "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 Dear Matthias, Rob, Mark, Just gentle ping. Thanks On Mon, 2019-06-24 at 15:24 +0800, Neal Liu wrote: > These patch series introduce a generic rng driver for Trustzone > based kernel driver which would like to communicate with ATF > SIP services. > > Patch #1 initials SMC fid table for Mediatek SIP interfaces and > adds HWRNG related SMC call. > > Patch #2..3 adds mtk-sec-rng kernel driver for Trustzone based SoCs. > For MediaTek SoCs on ARMv8 with TrustZone enabled, peripherals like > entropy sources is not accessible from normal world (linux) and > rather accessible from secure world (ATF/TEE) only. This driver aims > to provide a generic interface to ATF rng service. > > > changes since v1: > - rename mt67xx-rng to mtk-sec-rng since all MediaTek ARMv8 SoCs > can reuse this driver. > - refine coding style and unnecessary check. > > changes since v2: > - remove unused comments. > - remove redundant variable. > > changes since v3: > - add dt-bindings for MediaTek rng with TrustZone enabled > - revise HWRNG SMC call fid > > > Neal Liu (3): > soc: mediatek: add SMC fid table for SIP interface > dt-bindings: rng: add bindings for MediaTek ARMv8 SoCs > hwrng: add mtk-sec-rng driver > > .../devicetree/bindings/rng/mtk-sec-rng.txt | 10 ++ > drivers/char/hw_random/Kconfig | 16 +++ > drivers/char/hw_random/Makefile | 1 + > drivers/char/hw_random/mtk-sec-rng.c | 97 +++++++++++++++++++ > include/linux/soc/mediatek/mtk_sip_svc.h | 33 +++++++ > 5 files changed, 157 insertions(+) > create mode 100644 Documentation/devicetree/bindings/rng/mtk-sec-rng.txt > create mode 100644 drivers/char/hw_random/mtk-sec-rng.c > create mode 100644 include/linux/soc/mediatek/mtk_sip_svc.h > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel