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=-10.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,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 C5B18C4361B for ; Fri, 11 Dec 2020 17:32:32 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 7063F23DC2 for ; Fri, 11 Dec 2020 17:32:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7063F23DC2 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+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=merlin.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=apv3VRxS5lRH/CjnZTHa5T7rTQjerRdxfe4A7eUmOuI=; b=QKnuSyGVA+8DVc/VSSkyI7bez AjQlar8JD5wd1cWoDQEja4d9zsGD+AM23GAdhLDpWwooNeKm4YWm74hJQJF8iiLE4HxptWnBUkh/U MbtCb1gdFr6fy47vwX0dB6J2lBe9idanptor0glQ25FQTjC82U8XPWLgiHoMdofyyJ4649+r72Ogl 07vua1uF/5tBFBFcfoyvHion3Yxb6IMicqaHpEHvRLjcb0/v9lUbGTSwNMO5PzVuJWBT84i+4nENN XYhnE09a8uRiEb4aIsiIdWYVDDfhaSYJrHhiPzMAAT1jHcRB8Z0J03EEAc3LkEKafgBY4q5svyREp SR6JPXIWw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1knmGK-0006CF-L0; Fri, 11 Dec 2020 17:31:24 +0000 Received: from foss.arm.com ([217.140.110.172]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1knmGH-0006BQ-O8 for linux-arm-kernel@lists.infradead.org; Fri, 11 Dec 2020 17:31:22 +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 A4E481FB; Fri, 11 Dec 2020 09:31:19 -0800 (PST) Received: from bogus (unknown [10.57.54.168]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id DAF373F718; Fri, 11 Dec 2020 09:31:16 -0800 (PST) Date: Fri, 11 Dec 2020 17:31:14 +0000 From: Sudeep Holla To: Andre Przywara Subject: Re: [PATCH v4 2/5] firmware: smccc: Introduce SMCCC TRNG framework Message-ID: <20201211173113.kosawwanjjjoka4u@bogus> References: <20201211160005.187336-1-andre.przywara@arm.com> <20201211160005.187336-3-andre.przywara@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20201211160005.187336-3-andre.przywara@arm.com> User-Agent: NeoMutt/20171215 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201211_123121_845461_7392DC62 X-CRM114-Status: GOOD ( 12.79 ) 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: Mark Rutland , Lorenzo Pieralisi , Theodore Ts'o , Catalin Marinas , Linus Walleij , linux-kernel@vger.kernel.org, Russell King , kvmarm@lists.cs.columbia.edu, Mark Brown , Marc Zyngier , Will Deacon , Ard Biesheuvel , 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+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Dec 11, 2020 at 04:00:02PM +0000, Andre Przywara wrote: > The ARM DEN0098 document describe an SMCCC based firmware service to > deliver hardware generated random numbers. Its existence is advertised > according to the SMCCC v1.1 specification. > > Add a (dummy) call to probe functions implemented in each architecture > (ARM and arm64), to determine the existence of this interface. > For now this return false, but this will be overwritten by each > architecture's support patch. > > Signed-off-by: Andre Przywara > Reviewed-by: Linus Walleij Reviewed-by: Sudeep Holla -- Regards, Sudeep _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel