From patchwork Wed Mar 10 21:08:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Marangi X-Patchwork-Id: 396886 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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 2DA20C433DB for ; Wed, 10 Mar 2021 21:09:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C8B6B64DDA for ; Wed, 10 Mar 2021 21:09:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231394AbhCJVIr (ORCPT ); Wed, 10 Mar 2021 16:08:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230173AbhCJVIS (ORCPT ); Wed, 10 Mar 2021 16:08:18 -0500 Received: from mail-ed1-x52e.google.com (mail-ed1-x52e.google.com [IPv6:2a00:1450:4864:20::52e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 018DBC061574; Wed, 10 Mar 2021 13:08:18 -0800 (PST) Received: by mail-ed1-x52e.google.com with SMTP id h10so30272879edl.6; Wed, 10 Mar 2021 13:08:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=AIJvF8THgvNIIJY7o0rd8q2CMHcgDSy7Mtu5dW42sFA=; b=umQzLk1D4vOPawFEM+6Bx3PxwJApV0E7LygvKxasJpi52Qw3p2EYwicmAlbI0g+Vg3 y58xizwMSWcaZPHR7g7knAAxcj/hIbCwrJsvi82O+QNAkQMvqftagYxKkVrPrkjmM3PI IY+GlG1Dqwhf5kK82lnIIy3iXbbi53PDB+y3jKGmbvlqcYyQcXMgUztJe4gJ1noJymx9 NuA+6G8211wycYqP8xbhIAZqy4hdzzKPkKmkCoTfmxQy2UxBLPz274sSnfCbqcoPnkdR LOD03K8nILIjKsOiLplbth0D7h98pUMLeOM+DbJSzh7CfN2BWVkI/lZ6RJ8Zl+25e3c7 zR5g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=AIJvF8THgvNIIJY7o0rd8q2CMHcgDSy7Mtu5dW42sFA=; b=kfAFSX3L309Cm8cbhtj0/tyzF4GA23AFCzrqaELfQ/sF/51DrKI4sObrrcjpu67DJP 8hf2pnxoetSNI7HSq87YxK1hKelofUhLSLqTBuwHwb1yd53yEF5UJpM16BLXVU3LDSTP bl1ikePitZXXVWh/xfT50ieh3rERI7RguIkr3KpKbdVHPoE3Vj4SA0cwICxaAAl7b73V LYGhRaLPcl9SaC6LqbrFIVcf9oemz/3LotXmJlPS2RIb+RgZYwfi3hAofc4igyRmhCHV kCn+wugDIwPCi97CWAypD2NoFzswc5KqgAs4qdlPA66IiUZtI5F+kHQcXHgXroM+VAPj 0lwQ== X-Gm-Message-State: AOAM530NDI5JMdL+7mlkjxuaxr4PjrXU4xlY4FAfpTEqV3OKsAydI6Al AMhNJdUojLtAVfDWFxu8zAPzxIMbjPE= X-Google-Smtp-Source: ABdhPJzU2FKDHG79f7UQcw8tVg/BBne3N8m2R28TmD5twNF6xyfuOyV9hbeGnPjwNgUSx0tUPGrJzQ== X-Received: by 2002:a05:6402:46:: with SMTP id f6mr5398960edu.252.1615410496484; Wed, 10 Mar 2021 13:08:16 -0800 (PST) Received: from Ansuel-xps.localdomain (93-35-189-2.ip56.fastwebnet.it. [93.35.189.2]) by smtp.googlemail.com with ESMTPSA id f19sm252947edu.12.2021.03.10.13.08.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Mar 2021 13:08:16 -0800 (PST) From: Ansuel Smith To: Rob Herring Cc: Ansuel Smith , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Rob Herring , Srinivas Kandagatla , linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 1/3] mtd: core: add nvmem-cells compatible to parse mtd as nvmem cells Date: Wed, 10 Mar 2021 22:08:01 +0100 Message-Id: <20210310210812.8880-1-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.30.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Partitions that contains the nvmem-cells compatible will register their direct subonodes as nvmem cells and the node will be treated as a nvmem provider. Signed-off-by: Ansuel Smith --- drivers/mtd/mtdcore.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 2d6423d89a17..ac1b4f176a17 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -531,6 +531,7 @@ static int mtd_nvmem_reg_read(void *priv, unsigned int offset, static int mtd_nvmem_add(struct mtd_info *mtd) { + struct device_node *node = mtd_get_of_node(mtd); struct nvmem_config config = {}; config.id = -1; @@ -543,7 +544,7 @@ static int mtd_nvmem_add(struct mtd_info *mtd) config.stride = 1; config.read_only = true; config.root_only = true; - config.no_of_node = true; + config.no_of_node = !of_device_is_compatible(node, "nvmem-cells"); config.priv = mtd; mtd->nvmem = nvmem_register(&config);