From patchwork Thu Sep 1 22:18:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Walle X-Patchwork-Id: 12963405 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 82BB7ECAAD3 for ; Thu, 1 Sep 2022 22:36:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=XpD2S+Vx36CCshp5xRqCwknqevdgygQjUsBJ/92zm0I=; b=tc2OVjQEwOxZIp p9DvKB6S9ccMlehtlUREP+Sr5FJFYw2ui8rQXBdgiy/vnU782ySJOH2R52MJh1Qb6Rl2e1BwDrfOV GG4WExAWkgWBH4v0WipnqhIRb/TeXNsVmyywTWuoMYPG7LFIxRUJvLnXM1wQAVDCLNCg1VVkvNadd EZ55wy1GeW4J+jY/4RB14/AGHTRksk+Ryv+vz6w6wEHFjr9d2N2R0+1qgMIeFyZ6GOnprlWg9tKgO Yn9+o3ZbXLnR34V//kWwB4hNaIr8qYk4dVv3vis/QhZOqObjQ2AmgRAFa13DHc+xBeLq6AawZ1ca5 lcf5nTkbijY+qYxlghow==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oTsmB-00FP9o-Is; Thu, 01 Sep 2022 22:35:09 +0000 Received: from 0001.3ffe.de ([159.69.201.130] helo=mail.3ffe.de) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oTsWz-00FEj6-2y; Thu, 01 Sep 2022 22:19:29 +0000 Received: from mwalle01.kontron.local. (unknown [213.135.10.150]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.3ffe.de (Postfix) with ESMTPSA id EF3D62221; Fri, 2 Sep 2022 00:19:15 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walle.cc; s=mail2022082101; t=1662070756; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=KKvaxDezpVglQbvUlzzvJIhuhv9lpFlXJWy0f0xohsQ=; b=hSJiAoEqoFLiXl618NYj5ODCGWBKsRSBRjJyZajQCq7YvEFL7TUa2cRG0rF0YAxW3ml3S/ kYWFF/sQeJvRRn0RC1oJALu4df2WuE3VFELUQnzMrOYG2cJzE4LMOL9VVILuduncXO+Pxz cCBvFy+vBwKEeKaSkAxyKbmuEX8H7PE6pRXJ9fbIRbwEG0jFZqOGjXlKqaw6Ix4Ria98Zc TXdV4OVehj8MT25E3CPtFPX0oyfokMnHje+BuQCyHbzHTCF0uB1QGvqagVu/3+xSy4PrH6 eQNhkvXMJ01RqVJAYFYBhBIhl7gdB8E10UYdrz/Ex6JNy2QkgvTxiMjV1Fk9jA== From: Michael Walle To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Rob Herring , Krzysztof Kozlowski , Srinivas Kandagatla , Shawn Guo , Li Yang , =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= , Frank Rowand Cc: linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Ahmad Fatoum , Philipp Zabel , Michael Walle Subject: [RFC PATCH v2 20/20] nvmem: layouts: u-boot-env: add device node Date: Fri, 2 Sep 2022 00:18:57 +0200 Message-Id: <20220901221857.2600340-21-michael@walle.cc> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220901221857.2600340-1-michael@walle.cc> References: <20220901221857.2600340-1-michael@walle.cc> MIME-Version: 1.0 X-Spam: Yes X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220901_151925_343136_2696B995 X-CRM114-Status: GOOD ( 11.42 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Register the device node so we can actually make use of the cells from within the device tree. This obviously only works if the environment variable name can be mapped to the device node, which isn't always the case. Think of "_" vs "-". But for simple things like ethaddr, this will work. Signed-off-by: Michael Walle --- changes since v1: - none drivers/nvmem/layouts/u-boot-env.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/nvmem/layouts/u-boot-env.c b/drivers/nvmem/layouts/u-boot-env.c index f184d1424b1e..d2adc246c93a 100644 --- a/drivers/nvmem/layouts/u-boot-env.c +++ b/drivers/nvmem/layouts/u-boot-env.c @@ -8,6 +8,7 @@ #include #include #include +#include #include enum u_boot_env_format { @@ -47,6 +48,7 @@ static int u_boot_env_add_cells(struct device *dev, info.name = var; info.offset = data_offset + value - data; info.bytes = strlen(value); + info.np = of_get_child_by_name(dev->of_node, var); err = nvmem_add_one_cell(nvmem, &info); if (err)