From patchwork Thu Mar 11 05:12:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Marangi X-Patchwork-Id: 399033 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=-14.2 required=3.0 tests=BAYES_00, DATE_IN_PAST_06_12, 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, 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 CDE5DC433DB for ; Thu, 11 Mar 2021 12:20:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8801B64FE8 for ; Thu, 11 Mar 2021 12:20:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233046AbhCKMTx (ORCPT ); Thu, 11 Mar 2021 07:19:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59690 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232954AbhCKMTr (ORCPT ); Thu, 11 Mar 2021 07:19:47 -0500 Received: from mail-ed1-x535.google.com (mail-ed1-x535.google.com [IPv6:2a00:1450:4864:20::535]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B10AC061574; Thu, 11 Mar 2021 04:19:47 -0800 (PST) Received: by mail-ed1-x535.google.com with SMTP id o19so2438572edc.3; Thu, 11 Mar 2021 04:19:47 -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=A19s8+jcTYLYpRsTm88vI1YTqVcVLHEihep/7ZY6UKdqCHWbLvtkAlSJH+ioQtAGT3 kMC0ktX5vY5B9g/NbCbtFtostd/bOd9CNm2niBhWsLdZVVchgJsCRjjQVIz/Ns7t9lOA 1EwZCUL6g9JBywi5pfxET3aZRozHxgndsfPi5RPH1oENyXJNo8F3RNooDluSJdYbq/L/ XnsIiFPDIBmP/Vd3CaZgpaBALxGBNcbU/xlvhG13bJaLC895HqtDVGgm3LkJoEKNZ1GP BMrMERCqSiEvoR0+gtEVhhPkT7KwU2Eg3Dr7YIS8NoLmZfu+u45bKCgKpOgXOHJo0BLz E19Q== 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=A1yd58UDVMqSRMQvDCEzpMJE5e0Pau1Ac4tqqxNC8LRCiOLLju3xCVZyKIHg3Pa1Un KwSJqcFfPGWMk0PvpfY+xcz44j5uIcS2Bf6YxMwZ755+KIpGwOXpv0IlfRLD+Xfv9Qe4 20PTs0o1TJJ86Xlsv5KBrAJHVMeQwxySSW1a2jTEmmyq7cKnCqAvRGhZs+Vq19tndduc GrTdwfi6rRfDHQ6y/ebvaqhSl6SrZPTR7fNlHm2l2P3E+oMIILrbnLfpBcSSwIReeX+q YuRWuWWs+Y43/jXg7c+x4SsjxfjJePREUHVVK5sYBbzum13ry0QsjUjMUL7Pzn8GvC8K OAmQ== X-Gm-Message-State: AOAM5326BHR9l/CQYtMgKGeq2n218NhOZaYNK/fRqO3FLmZHPCqfMMy6 lvvo1DaxlEWoBJj/n8zlCa8= X-Google-Smtp-Source: ABdhPJwhxUYujpvYF+ZFXc/c5AA8Ze9yPl1neq05v/Fn2/yyq/4oZ00TbhKSx6vBEzMJaZG9V9Jg0g== X-Received: by 2002:aa7:c9c8:: with SMTP id i8mr8096195edt.193.1615465185761; Thu, 11 Mar 2021 04:19:45 -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 c7sm1273748edk.50.2021.03.11.04.19.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Mar 2021 04:19:45 -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 v5 1/3] mtd: core: add nvmem-cells compatible to parse mtd as nvmem cells Date: Thu, 11 Mar 2021 06:12:47 +0100 Message-Id: <20210311051309.16789-1-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);