From patchwork Thu Jan 27 16:41:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Walle X-Patchwork-Id: 12727083 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 1F274C433F5 for ; Thu, 27 Jan 2022 16:44:56 +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=okgkwrnVF8zz0LHzmuzWhm5y1rskXs03hlL2ZG8SSPk=; b=Kby0rq+WVKy1i4 n/gBLIGDcDZWJEQMLr/zXBGkRzKdBSRCccMxzqy1n+ylkA0RHUsiO9vSrWvR4ikiMc9d5eT6UhB5V 81yySkG/zLBZ3h1Np2yauKiXcIkvuMbA4aGEW76Z/8ir6uBqGp/S2l9S6kTuSXSFS/Ip0oLJVCqKg xByxDjlNl3XxBs0q+PSPET4ZrWgUrCjAoMn4y7+iC/mUc+sI+0lbrem10r7xn5p+TBimwQoBTLH1l uwqAW/wx+G8rHoDVumKdAzUnQIl8sdLDBgBmbjgW/dPwfvzhzYARSZZy51ykbkJB6aM6m3o/1+qdx RSV7E0SQin8rIigIJkFA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nD7s6-00GbGZ-JW; Thu, 27 Jan 2022 16:43:42 +0000 Received: from ssl.serverraum.org ([176.9.125.105]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nD7qC-00GaWB-3V for linux-arm-kernel@lists.infradead.org; Thu, 27 Jan 2022 16:41:46 +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 ECDHE (P-384) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by ssl.serverraum.org (Postfix) with ESMTPSA id 9276A223F6; Thu, 27 Jan 2022 17:41:42 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walle.cc; s=mail2016061301; t=1643301702; 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=AHaJAinHemm5iRDWpfuIj9kw7+KTQm29ecIVsTXxKjs=; b=F7yKqrGZDCDek0hxXpXT3UcQKugR1pGyW00yqOitChlarkF3IgCXxFeQx2dQ/QLW6Aucae 32PLsWjj7TaXC6KsqDkEaoZmjR9oEnOzYhv1d2Btlcja4halKLqu0x+CIsp7SZen2tz1TE i2NyIouSHPer/hRaIDFam021ONxDRqA= From: Michael Walle To: linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Li Yang , Ulf Hansson , Sudeep Holla , Arnd Bergmann , Michael Walle Subject: [PATCH v1 5/7] soc: fsl: guts: use of_root instead of own reference Date: Thu, 27 Jan 2022 17:41:23 +0100 Message-Id: <20220127164125.3651285-6-michael@walle.cc> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220127164125.3651285-1-michael@walle.cc> References: <20220127164125.3651285-1-michael@walle.cc> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220127_084144_356474_6C388014 X-CRM114-Status: GOOD ( 14.28 ) 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 There is already a global of_root reference. Use that instead of getting one on our own. We don't need to care about the reference count either this way. Signed-off-by: Michael Walle --- drivers/soc/fsl/guts.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/drivers/soc/fsl/guts.c b/drivers/soc/fsl/guts.c index 383b35a4ed58..04c3eb6a6e17 100644 --- a/drivers/soc/fsl/guts.c +++ b/drivers/soc/fsl/guts.c @@ -112,7 +112,7 @@ static const struct fsl_soc_die_attr *fsl_soc_die_match( static int fsl_guts_probe(struct platform_device *pdev) { - struct device_node *root, *np = pdev->dev.of_node; + struct device_node *np = pdev->dev.of_node; struct soc_device_attribute *soc_dev_attr; static struct soc_device *soc_dev; struct device *dev = &pdev->dev; @@ -139,17 +139,13 @@ static int fsl_guts_probe(struct platform_device *pdev) iounmap(regs); /* Register soc device */ - root = of_find_node_by_path("/"); - if (of_property_read_string(root, "model", &machine)) - of_property_read_string_index(root, "compatible", 0, &machine); + if (of_property_read_string(of_root, "model", &machine)) + of_property_read_string_index(of_root, "compatible", 0, &machine); if (machine) { soc_dev_attr->machine = devm_kstrdup(dev, machine, GFP_KERNEL); - if (!soc_dev_attr->machine) { - of_node_put(root); + if (!soc_dev_attr->machine) return -ENOMEM; - } } - of_node_put(root); soc_die = fsl_soc_die_match(svr, fsl_soc_die); if (soc_die) {