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=-9.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, NICE_REPLY_A,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 1CB75C433DB for ; Mon, 8 Mar 2021 22:01:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D71D565256 for ; Mon, 8 Mar 2021 22:01:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230460AbhCHWBJ (ORCPT ); Mon, 8 Mar 2021 17:01:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42596 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229650AbhCHWAu (ORCPT ); Mon, 8 Mar 2021 17:00:50 -0500 Received: from mail-pf1-x430.google.com (mail-pf1-x430.google.com [IPv6:2607:f8b0:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C550BC06174A; Mon, 8 Mar 2021 14:00:50 -0800 (PST) Received: by mail-pf1-x430.google.com with SMTP id w18so8002065pfu.9; Mon, 08 Mar 2021 14:00:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=6z4njqmMZ+DwPOGmWJZIpqGepW0eHMQJ/pIsjwxEZLk=; b=holCDmIXdIHZxMwwDTqjo4oLDs+wJi7GiE4T/V4gofktpeVHUS9zljHZCp6RHTJ4HX zJSwAgdxk4sZDIU1oOG6QaC0wn8w+vHUgn8/A2bRCHL6ALeDivZwOJaRo431fX3yfhY9 pepBDk7Tb4VmgSVi1sxcPQqpQAIuUd1bU/HGt/edej2xZl9ne1kDVuu4QaFIoI3CC7QQ M5Fxachme2Mai22nDOThNgZyvxnhnIleExyZPYpDri0kwOdpK5JulwoEyYzHoKQpHwJm JELbctlGlwKd3nfiaXdJGRyAE4JtsG84loXQ7yiEQ7O6HEVI4pLDMJr4GZOTUejMznF2 Q4gg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=6z4njqmMZ+DwPOGmWJZIpqGepW0eHMQJ/pIsjwxEZLk=; b=DyqTZ+clg10ddqdzA4x27aZMVZqSNuwkC8rNjv+h4WpW5YddBwEaRv7jsElIQleJzw Q14xQe6TLGgo9NaiDFNlTO1RUFARkiac+zmE7XK6WitHtk7lXcmjj8AXUcdrVTHMeh0j 30V82MGojjUfSVM25kGRLTVhFYX7ASCzCPUD1s45LJ00Cp5qVazfSc6r/PegPP5WhH7l G1LXyg1h1fxiiF6gGcp2jLhDx2dhKeC5uP9NUGnchZuIWhHx6UZ+B9LHXpfK7XdNwTtX 9QgYv5Ad7eukpQVjytZT+gJ4WzggEgQemF2/MxfTPf+LvK36BWNZefPijV5uF6gn/shs 5O4Q== X-Gm-Message-State: AOAM531j5C/mzgXdIROcg/P4kX8TkHaYHwWCk8+YRZZ9jQLLhvH2KSC9 urouxTcQoFmGwEC5C8Ylv23LaAMyv28= X-Google-Smtp-Source: ABdhPJywAeKzFawn0EKfgcKGFbomGus3wQHovVhP+cXvqYZgKoek4JIzkzvCda5UsHWUgxUsuFYwSQ== X-Received: by 2002:a63:fd01:: with SMTP id d1mr21337894pgh.319.1615240849966; Mon, 08 Mar 2021 14:00:49 -0800 (PST) Received: from [10.67.49.104] ([192.19.223.252]) by smtp.googlemail.com with ESMTPSA id 133sm11524949pfa.130.2021.03.08.14.00.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 08 Mar 2021 14:00:49 -0800 (PST) Subject: Re: [PATCH v6 3/3] hwrng: bcm2835: add reset support To: =?UTF-8?Q?=c3=81lvaro_Fern=c3=a1ndez_Rojas?= , Matt Mackall , Herbert Xu , Rob Herring , Nicolas Saenz Julienne , Florian Fainelli , Ray Jui , Scott Branden , bcm-kernel-feedback-list@broadcom.com, Philipp Zabel , Lee Jones , Bjorn Andersson , Alexandru Ardelean , Rikard Falkeborn , Tian Tao , Stefan Wahren , linux-crypto@vger.kernel.org, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20210305070132.2986-1-noltari@gmail.com> <20210305070132.2986-4-noltari@gmail.com> From: Florian Fainelli Message-ID: <23d9ea3e-4eb2-a327-2b3c-bfb78a46007f@gmail.com> Date: Mon, 8 Mar 2021 14:00:46 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: <20210305070132.2986-4-noltari@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 3/4/21 11:01 PM, Álvaro Fernández Rojas wrote: > BCM6368 devices need to reset the IPSEC controller in order to generate true > random numbers. > > This is what BCM6368 produces without a reset: > root@OpenWrt:/# cat /dev/hwrng | rngtest -c 1000 > rngtest 6.10 > Copyright (c) 2004 by Henrique de Moraes Holschuh > This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. > > rngtest: starting FIPS tests... > rngtest: bits received from input: 20000032 > rngtest: FIPS 140-2 successes: 0 > rngtest: FIPS 140-2 failures: 1000 > rngtest: FIPS 140-2(2001-10-10) Monobit: 2 > rngtest: FIPS 140-2(2001-10-10) Poker: 1000 > rngtest: FIPS 140-2(2001-10-10) Runs: 1000 > rngtest: FIPS 140-2(2001-10-10) Long run: 30 > rngtest: FIPS 140-2(2001-10-10) Continuous run: 0 > rngtest: input channel speed: (min=37.253; avg=320.827; max=635.783)Mibits/s > rngtest: FIPS tests speed: (min=12.141; avg=15.034; max=16.428)Mibits/s > rngtest: Program run time: 1336176 microseconds > > Signed-off-by: Álvaro Fernández Rojas Acked-by: Florian Fainelli -- Florian