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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 13E53C4740A for ; Mon, 9 Sep 2019 16:35:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DDC03222C1 for ; Mon, 9 Sep 2019 16:35:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729154AbfIIQfs (ORCPT ); Mon, 9 Sep 2019 12:35:48 -0400 Received: from muru.com ([72.249.23.125]:60412 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727764AbfIIQfs (ORCPT ); Mon, 9 Sep 2019 12:35:48 -0400 Received: from atomide.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 1DEAB80BF; Mon, 9 Sep 2019 16:36:17 +0000 (UTC) Date: Mon, 9 Sep 2019 09:35:43 -0700 From: Tony Lindgren To: Pali =?utf-8?B?Um9ow6Fy?= Cc: Adam Ford , Linux-OMAP , Tero Kristo , Aaro Koskinen , Adam Ford , =?utf-8?Q?Beno=C3=AEt?= Cousson , Rob Herring , Mark Rutland , Russell King , Paul Walmsley , devicetree , Linux Kernel Mailing List , arm-soc Subject: Re: [RFC] ARM: omap3: Enable HWMODS for HW Random Number Generator Message-ID: <20190909163543.GQ52127@atomide.com> References: <20190828150037.2640-1-aford173@gmail.com> <20190905230443.GA52127@atomide.com> <20190909134033.s26eiurpat3iekse@pali> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20190909134033.s26eiurpat3iekse@pali> User-Agent: Mutt/1.11.4 (2019-03-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Pali Rohár [190909 13:41]: > On Monday 09 September 2019 08:37:09 Adam Ford wrote: > > I applied this on 5.3 and it is working. I assume the same is true in for-next. Hmm I noticed I stopped getting RNG data after several rmmod modprobe cycles, or several hd /dev/random reads. Anybody else seeing that? > > Do you want to submit a formal patch? I can mark it as 'tested-by' > > This really helps speed up the startup sequence on boards with sshd > > because it delays for nearly 80 seconds waiting for entropy without > > the hwrng. > > Hi! When applying a patch, could you please disable this rng for n900? > > In omap3-n900.dts for rng should be status = "disabled" (as Tony already > wrote), similarly like for aes. Yeah I'll post a proper patch after -rc1. Regards, Tony