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=-2.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 C2B1CC433B4 for ; Thu, 1 Apr 2021 09:41:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7D3386108F for ; Thu, 1 Apr 2021 09:41:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233760AbhDAJkr (ORCPT ); Thu, 1 Apr 2021 05:40:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40616 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233527AbhDAJkq (ORCPT ); Thu, 1 Apr 2021 05:40:46 -0400 Received: from mail-ej1-x630.google.com (mail-ej1-x630.google.com [IPv6:2a00:1450:4864:20::630]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D89E9C0613E6; Thu, 1 Apr 2021 02:40:45 -0700 (PDT) Received: by mail-ej1-x630.google.com with SMTP id a7so1930748ejs.3; Thu, 01 Apr 2021 02:40:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=fZmQYEP/6uDQvDVxt6cb6vxDGnrh+P52fxUkAoEa5gA=; b=hKPb3zzQUgcTpcda46PTiWKjDSRgecNDjjezIGnmdNnx5QKvZYeO7dLttj1qEpFKrI TU6QjzuAlATJDXpUvmCESIhYm8I1jt+DNaZceLnykSGmZ+u62trnCkJROoxtC5/QtrUm vEv6h6ac1n/5PTnx/lfwiHmCtV2RVkSqQLKEzyOhgU98xCyhOnjDluqOGJG2ZwFSMQPX ePtFowu6uH/FpqMyvX7tCR0xRiIXmCqomw/AcV1SRGSCqZMpyd3Cxmq54m7Hz4BEn8Rf RIr/iiG5uj/xFU1elx3S7eSezsUFSxROi4cEq1syeVb1dqRC7m61YcafQDrEtfXxs9uq 8Uow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=fZmQYEP/6uDQvDVxt6cb6vxDGnrh+P52fxUkAoEa5gA=; b=Ma9O3lVLtlHDnK3gvkNxHs1OtBMcNwp2kS2dHaBGb1vnuTBs6yUsNqBoxU4gegreFz x4SdtjCVBxTSb6CL2d7ov7Fg4Ig0NzvdjR5+czg8ouVXN0NZZkKWo5HhjB/fY0QCre2W qNn8TUdZGa3Z/m9g5Ehegf5zPxfcgswOCLE9ZrQDytSNAK4MmgS+FyCLMOf1Oakt2j10 j6kQyxAgWOYYh0SIevgpBQ2yr8Arznoxeho39WUSugYtQZVD8yozDg8097sC5s7Uq7iy +C8sNNMBEmyzYGqeRWo5hn55E5Ireiuj9+TmKHba/9OqAWo5OqP40txTgrpNSLh1HP+U VCtA== X-Gm-Message-State: AOAM5311Lae+rEO56EZGMSyA21fuUMOQwMgcs09yhSIY8JAHXW3bXSAf Mw2Qeba60NJnWhPbO7dm9BZVIcozCyM= X-Google-Smtp-Source: ABdhPJwu/Ydwj7Y2X33MOvvJpAkNpoja+icLlUKmfRFSjO9Ewbe9R3XUf8mdIn/tuQuRwZMlKrO/GA== X-Received: by 2002:a17:906:801:: with SMTP id e1mr7933219ejd.465.1617270044613; Thu, 01 Apr 2021 02:40:44 -0700 (PDT) Received: from BV030612LT ([188.24.140.160]) by smtp.gmail.com with ESMTPSA id jj15sm2525032ejc.99.2021.04.01.02.40.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Apr 2021 02:40:44 -0700 (PDT) Date: Thu, 1 Apr 2021 12:40:41 +0300 From: Cristian Ciocaltea To: Manivannan Sadhasivam Cc: Rob Herring , Andreas =?iso-8859-1?Q?F=E4rber?= , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-actions@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 0/6] Add support for Actions Semi Owl socinfo Message-ID: <20210401094041.GA1993499@BV030612LT> References: <20210401052438.GB14052@work> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210401052438.GB14052@work> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hi Mani, On Thu, Apr 01, 2021 at 10:54:38AM +0530, Manivannan Sadhasivam wrote: > On Tue, Mar 30, 2021 at 04:48:15PM +0300, Cristian Ciocaltea wrote: > > This patchset adds a socinfo driver which provides information about > > Actions Semi Owl SoCs to user space via sysfs: machine, family, soc_id, > > serial_number. > > > > Please note the serial number is currently available only for the S500 > > SoC variant. > > > > This has been tested on the S500 SoC based RoseapplePi SBC. > > > > Is this the soc_id provided by the vendor bootloader (uboot)? If so, under > what basis it provides? I don't think the SoC has the provision for > soc_id based on HW parameters. No, the soc_id is not provided by the bootloader, or at least I couldn't identify any related implementation. Instead, I provided this via the driver itself, since I've encountered this approach in some other soc drivers as well (e.g. imx/soc-imx.c, versatile/soc-integrator.c). Thanks, Cristi > Thanks, > Mani [...]