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=-3.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 CBEC4C4361B for ; Tue, 15 Dec 2020 18:45:30 +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 55E7822B2D for ; Tue, 15 Dec 2020 18:45:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 55E7822B2D 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=XoK5E3u8hEnomGDQkSYwPIrKwvUM1wOJQABuLxKGOkw=; b=NB8kTpCgLvgY5x0Qw7siyNut9 0w4t3HqdeC4ZkFQdVvIhjMKu/f8rx3J05MYf7EGSWiCirP9thRYJ9oE9Z6FvAi34TB4mCGOBzaIjr 7NMNAKBFJqc3JFLof2rgHB26QLahfLlS/G2f/lk8X5fkVPNGO0SHS6tWKvkMHHtcpK6UZaUPk96el TYLtz3zfK14Z2DyL/lG0VCdVVsbO9FEhl6wzYUpAGYm/kbc/xF3COol3TRPTk8uLpvLeSS7+eVrAk XLrtK1ck1VMSZ6H2dNu/W6y7AikZkpe9deAP6Wh8Ue+G4XE5nRwlWIjRH0X5bCcVKA/bqsGbpWnIR /s/tiXbHQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kpFJ6-0006j5-3K; Tue, 15 Dec 2020 18:44:20 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kpFJ2-0006iD-GO; Tue, 15 Dec 2020 18:44:17 +0000 Date: Tue, 15 Dec 2020 18:44:07 +0000 From: Catalin Marinas To: Nicolas Saenz Julienne Subject: Re: [PATCH 0/6] Expose RPi4'd bootloader configuration Message-ID: <20201215184407.GA44849@C02TF0J2HF1T.local> References: <20201215155627.2513-1-nsaenzjulienne@suse.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20201215155627.2513-1-nsaenzjulienne@suse.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201215_134416_617615_6DD4BAB4 X-CRM114-Status: UNSURE ( 9.81 ) X-CRM114-Notice: Please train this message. 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: devicetree@vger.kernel.org, tim.gover@raspberrypi.com, linux-kernel@vger.kernel.org, linux@armlinux.org.uk, robh+dt@kernel.org, srinivas.kandagatla@linaro.org, linux-rpi-kernel@lists.infradead.org, bcm-kernel-feedback-list@broadcom.com, will@kernel.org, phil@raspberrypi.com, 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 Tue, Dec 15, 2020 at 04:56:20PM +0100, Nicolas Saenz Julienne wrote: > Soon to be released versions of RPi4's firmware will take of care > passing their bootloader's configuration to the OS by copying it into > memory and creating a reserved memory node in the board's DT. In order > to make use of this information, this series introduces a new generic > nvmem driver that maps reserved-memory nodes into nvmem devices. > > An alternative approach, less nice IMO, would be to create a > platform-specific 'soc' driver. What kind of information is this and how would the kernel use it? -- Catalin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel