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=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 E7987C432C0 for ; Thu, 21 Nov 2019 05:31:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C5FEE20898 for ; Thu, 21 Nov 2019 05:31:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727232AbfKUFbN (ORCPT ); Thu, 21 Nov 2019 00:31:13 -0500 Received: from helcar.hmeau.com ([216.24.177.18]:34578 "EHLO deadmen.hmeau.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726132AbfKUFbN (ORCPT ); Thu, 21 Nov 2019 00:31:13 -0500 Received: from gondobar.mordor.me.apana.org.au ([192.168.128.4] helo=gondobar) by deadmen.hmeau.com with esmtps (Exim 4.89 #2 (Debian)) id 1iXf3P-0000vj-W0; Thu, 21 Nov 2019 13:30:56 +0800 Received: from herbert by gondobar with local (Exim 4.89) (envelope-from ) id 1iXf3G-0002bu-Mm; Thu, 21 Nov 2019 13:30:46 +0800 Date: Thu, 21 Nov 2019 13:30:46 +0800 From: Herbert Xu To: Florian Fainelli Cc: Stephen Brennan , Matt Mackall , Rob Herring , Mark Rutland , Ray Jui , Scott Branden , bcm-kernel-feedback-list@broadcom.com, Eric Anholt , Stefan Wahren , Arnd Bergmann , Greg Kroah-Hartman , linux-crypto@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-rpi-kernel@lists.infradead.org Subject: Re: [PATCH v3 0/4] Raspberry Pi 4 HWRNG Support Message-ID: <20191121053046.coobocevp4uwwugb@gondor.apana.org.au> References: <20191120031622.88949-1-stephen@brennan.io> <3e78d01f-f7a4-b3c4-4d23-7be7d6ad764d@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3e78d01f-f7a4-b3c4-4d23-7be7d6ad764d@gmail.com> User-Agent: NeoMutt/20170113 (1.7.2) Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Wed, Nov 20, 2019 at 08:09:57PM -0800, Florian Fainelli wrote: > Hi Herbert, > > On 11/19/2019 7:16 PM, Stephen Brennan wrote: > > This patch series enables support for the HWRNG included on the Raspberry > > Pi 4. It is simply a rebase of Stefan's branch [1]. I went ahead and > > tested this out on a Pi 4. Prior to this patch series, attempting to use > > the hwrng gives: > > > > $ head -c 2 /dev/hwrng > > head: /dev/hwrng: Input/output error > > > > After this series, the same command gives two random bytes. > > When we get a review from Rob, you can take patches 1-2 through your > tree and Stefan/Nicholas can queue patches 3-4 through the BCM2835 tree > where the DTS files already exist. Does that work for you? Yes sure. Cheers, -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt