From patchwork Fri Jun 3 07:58:15 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King (Oracle)" X-Patchwork-Id: 9152043 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 3D91C60751 for ; Fri, 3 Jun 2016 07:59:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2DD6125EA6 for ; Fri, 3 Jun 2016 07:59:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 22896281F9; Fri, 3 Jun 2016 07:59:03 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 1615025EA6 for ; Fri, 3 Jun 2016 07:59:02 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1b8k0T-0007Xh-Af; Fri, 03 Jun 2016 07:59:01 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:3201:214:fdff:fe10:1be6]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1b8k0L-0007Dw-6O for linux-mediatek@lists.infradead.org; Fri, 03 Jun 2016 07:58:54 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2014; h=Date:Sender:Message-Id:Content-Type:Content-Transfer-Encoding:MIME-Version:Subject:To:From; bh=QXdDWJJfBpuSF8hfzaeNuxOPeiyFkemBKTffvDxwgZU=; b=G4HAh8S8OPO8lFXU0VdX7k1gPqOjealzVSEYqIHejc8VZBj6+yBjaHeo6tFFhuxjWJWKtz6bicd7D1b7KPeGnu/77Dl53DNBp6rDLJ1tSfII2M2AD2a8E38iwcuRS8nqQo9bg2wQ8i0q2DMTHXa3SzE7Hko0OK1WJ2sJLnOiIDk=; Received: from e0022681537dd.dyn.armlinux.org.uk ([2002:4e20:1eda:1:222:68ff:fe15:37dd]:39506 helo=rmk-PC.armlinux.org.uk) by pandora.armlinux.org.uk with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.82_1-5b7a7c0-XX) (envelope-from ) id 1b8jzl-0006um-14; Fri, 03 Jun 2016 08:58:17 +0100 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.82_1-5b7a7c0-XX) (envelope-from ) id 1b8jzj-00046r-Pd; Fri, 03 Jun 2016 08:58:16 +0100 From: Russell King To: Joerg Roedel , Matthias Brugger , iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH] iommu: convert DT component matching to component_match_add_release() MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Fri, 03 Jun 2016 08:58:15 +0100 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160603_005853_532382_D29091CD X-CRM114-Status: UNSURE ( 9.13 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Convert DT component matching to use component_match_add_release(). Signed-off-by: Russell King Reviewed-by: Matthias Brugger --- drivers/iommu/mtk_iommu.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index c3043d8754e3..c036df1c49ca 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -557,6 +557,11 @@ static int compare_of(struct device *dev, void *data) return dev->of_node == data; } +static void release_of(struct device *dev, void *data) +{ + of_node_put(data); +} + static int mtk_iommu_bind(struct device *dev) { struct mtk_iommu_data *data = dev_get_drvdata(dev); @@ -630,17 +635,19 @@ static int mtk_iommu_probe(struct platform_device *pdev) continue; plarbdev = of_find_device_by_node(larbnode); - of_node_put(larbnode); if (!plarbdev) { plarbdev = of_platform_device_create( larbnode, NULL, platform_bus_type.dev_root); - if (!plarbdev) + if (!plarbdev) { + of_node_put(larbnode); return -EPROBE_DEFER; + } } data->smi_imu.larb_imu[i].dev = &plarbdev->dev; - component_match_add(dev, &match, compare_of, larbnode); + component_match_add_release(dev, &match, release_of, + compare_of, larbnode); } platform_set_drvdata(pdev, data);