From patchwork Thu Aug 8 15:46:55 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Herve Codina X-Patchwork-Id: 13757744 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 CD61EC3DA4A for ; Thu, 8 Aug 2024 15:52:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type: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=wQJa/uO3moMWBYvBHYzg1OLE26y6a/vVj3qon89DFNU=; b=5GE9JqStwKDDzs0oKxp22NQsol 8SLuJTW5wCLfwNrcdFWVZD3GChT9kQI9w2O40YMpSnTc48sWJCpQrGmaDl8Hp6An6l4AJhgz/PSdf GFJF0ABe/WQptWyAJL1cu2ZLnA0HMLZmOjGiOTyU8SM4jv558BC5+yeytSRxeSkogjXm4x1ws+Jfq /EztsKQ9+9uRt4hfCDTceZHe4JM1BOe/rlL/w7jmHbrApvHAYp2nMKJGYRGmiRPxuWJQMJZniF9Zr JSFSPqnoxPMSwOOERxW08r6EbXIuxsgYqA6kqL0txMlscMeUJF7NflnWwgTB5NqMlE781hHxSeMFf st1EeOBA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sc5Qj-00000008qJp-1D6z; Thu, 08 Aug 2024 15:51:57 +0000 Received: from relay7-d.mail.gandi.net ([217.70.183.200]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sc5Mc-00000008okC-1uFA for linux-arm-kernel@lists.infradead.org; Thu, 08 Aug 2024 15:47:43 +0000 Received: by mail.gandi.net (Postfix) with ESMTPA id 85E8820008; Thu, 8 Aug 2024 15:47:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1723132061; 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=wQJa/uO3moMWBYvBHYzg1OLE26y6a/vVj3qon89DFNU=; b=V3S6EPiiO7hU/lfn8GItH0QN2Fdt5nf+LNmqem3F3TMZAbIY2T5qQObXIbLsNPpyv023fn UAFC7ezwmM5Gm6I/PjpsYwOijC3r/mUMyg5QA4/k+lcGXKydG/b4YjSGIZDNgx6k+VGhoO uUb47YMFKF+0hFDRCjB4wphXKmkJF18m72HLKCyvxa3L8HaVyS3MZ/OJLGS9bH8314ddQW cysoIFTXMbyL6vIZx1eLfTsf+rK0J3TlqqxBrVLpSejcewQgeu33tKolbremA6KzHuz+qA y39A2JZovYEriiyS0PWB7cLrXMHm7K7NEXogFW+hWGdapQ6VPBVMVVzLZg5Dew== From: Herve Codina To: Geert Uytterhoeven , Andy Shevchenko , Simon Horman , Lee Jones , Arnd Bergmann , Derek Kiernan , Dragan Cvetic , Greg Kroah-Hartman , Herve Codina , Bjorn Helgaas , Philipp Zabel , Lars Povlsen , Steen Hegelund , Daniel Machon , UNGLinuxDriver@microchip.com, Rob Herring , Saravana Kannan Cc: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Horatiu Vultur , Andrew Lunn , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Allan Nielsen , Steen Hegelund , Luca Ceresoli , Thomas Petazzoni , =?utf-8?b?Q2zDqW1lbnQgTMOp?= =?utf-8?b?Z2Vy?= Subject: [PATCH v5 6/8] reset: mchp: sparx5: Release syscon when not use anymore Date: Thu, 8 Aug 2024 17:46:55 +0200 Message-ID: <20240808154658.247873-7-herve.codina@bootlin.com> X-Mailer: git-send-email 2.45.0 In-Reply-To: <20240808154658.247873-1-herve.codina@bootlin.com> References: <20240808154658.247873-1-herve.codina@bootlin.com> MIME-Version: 1.0 X-GND-Sasl: herve.codina@bootlin.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240808_084742_781358_40EAC8F0 X-CRM114-Status: GOOD ( 15.47 ) 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 From: Clément Léger The sparx5 reset controller does not release syscon when it is not used anymore. This reset controller is used by the LAN966x PCI device driver. It can be removed from the system at runtime and needs to release its consumed syscon on removal. Use the newly introduced devm_syscon_regmap_lookup_by_phandle() in order to get the syscon and automatically release it on removal. Signed-off-by: Clément Léger Signed-off-by: Herve Codina Reviewed-by: Steen Hegelund --- drivers/reset/reset-microchip-sparx5.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/reset/reset-microchip-sparx5.c b/drivers/reset/reset-microchip-sparx5.c index 69915c7b4941..c4fe65291a43 100644 --- a/drivers/reset/reset-microchip-sparx5.c +++ b/drivers/reset/reset-microchip-sparx5.c @@ -65,15 +65,11 @@ static const struct reset_control_ops sparx5_reset_ops = { static int mchp_sparx5_map_syscon(struct platform_device *pdev, char *name, struct regmap **target) { - struct device_node *syscon_np; + struct device *dev = &pdev->dev; struct regmap *regmap; int err; - syscon_np = of_parse_phandle(pdev->dev.of_node, name, 0); - if (!syscon_np) - return -ENODEV; - regmap = syscon_node_to_regmap(syscon_np); - of_node_put(syscon_np); + regmap = devm_syscon_regmap_lookup_by_phandle(dev, dev->of_node, name); if (IS_ERR(regmap)) { err = PTR_ERR(regmap); dev_err(&pdev->dev, "No '%s' map: %d\n", name, err);