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[2620:137:e000::1:20]) by mx.google.com with ESMTP id iy2-20020a170907818200b006df76385d93si7130530ejc.563.2022.04.11.18.50.33; Mon, 11 Apr 2022 18:50:58 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@bootlin.com header.s=gm1 header.b=hUgcWSpQ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=bootlin.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343994AbiDKJBt (ORCPT + 99 others); Mon, 11 Apr 2022 05:01:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42416 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236336AbiDKJBr (ORCPT ); Mon, 11 Apr 2022 05:01:47 -0400 Received: from relay11.mail.gandi.net (relay11.mail.gandi.net [IPv6:2001:4b98:dc4:8::231]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E0C5925C4F; Mon, 11 Apr 2022 01:59:31 -0700 (PDT) Received: (Authenticated sender: miquel.raynal@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 762EA100010; Mon, 11 Apr 2022 08:59:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1649667570; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=FHhGfgxL0S3jJMjJ9eWRoGXgfDat53Md5h9pfpllbBk=; b=hUgcWSpQ8LygWqNmSFSaYQ/9wS/ZhdbQ/KhyoVXhioGge6FYFMWgsvU2FVjaONpYB9+QV7 q8Mq0VmJwvQ0Tvy3h8ylFoszzMx3LV0iCZg8o05/YUCVTBjx4PLqxpuqJbfRQNEagkvX5e e46VxrinOS09rppBS7bBLTnmzV/EhhPnQSvJvvn5DxP+Avcnw/HSC4yOozsn8GyuMuu1U/ znMEsTEGTfc6ZAQ/B5q1xr0PQ1n8VtzVrleov4c5yZ0elX56U2IUtbXG9BTHV1DRwIj4fF ViyOLILWIidJS1ZRdBP37G4D9DdYFVAHsHfp5SZWdkzj7kEPCi/Gn+KrRjJnfA== From: Miquel Raynal To: =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= , Srinivas Kandagatla , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra Cc: Tom Rini , linux-mtd@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, u-boot@lists.denx.de, devicetree@vger.kernel.org, =?utf-8?b?UmFmYcWCIE1p?= =?utf-8?b?xYJlY2tp?= Subject: Re: [PATCH 2/2] nvmem: add driver handling U-Boot environment variables Date: Mon, 11 Apr 2022 10:59:26 +0200 Message-Id: <20220411085926.10925-1-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220406143225.28107-2-zajec5@gmail.com> References: MIME-Version: 1.0 X-linux-mtd-patch-notification: thanks X-linux-mtd-patch-commit: b'06a39b4da6de04315c133eaca4c785ae6ebc930f' Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2022-04-06 at 14:32:25 UTC, =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= wrote: > From: Rafał Miłecki > > U-Boot stores its setup as environment variables. It's a list of > key-value pairs stored on flash device with a custom header. > > This commit adds an NVMEM driver that: > 1. Provides NVMEM access to environment vars binary data > 2. Extracts variables as NVMEM cells > > It can be used for: > 1. Accessing env variables from user-space > 2. Reading NVMEM cells by Linux drivers > > Signed-off-by: Rafał Miłecki Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next, thanks. Miquel