From patchwork Fri Feb 28 20:42:32 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suman Anna X-Patchwork-Id: 3744001 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id B2A619F2F7 for ; Fri, 28 Feb 2014 20:44:47 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D9E1320263 for ; Fri, 28 Feb 2014 20:44:46 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CCE7520221 for ; Fri, 28 Feb 2014 20:44:45 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WJUI6-0001NQ-W8; Fri, 28 Feb 2014 20:44:19 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WJUHw-000481-QW; Fri, 28 Feb 2014 20:44:08 +0000 Received: from bear.ext.ti.com ([192.94.94.41]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WJUHh-00044l-Dy for linux-arm-kernel@lists.infradead.org; Fri, 28 Feb 2014 20:43:57 +0000 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id s1SKhPhS007965; Fri, 28 Feb 2014 14:43:25 -0600 Received: from DLEE71.ent.ti.com (dlee71.ent.ti.com [157.170.170.114]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id s1SKhP23015396; Fri, 28 Feb 2014 14:43:25 -0600 Received: from dflp32.itg.ti.com (10.64.6.15) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.3.174.1; Fri, 28 Feb 2014 14:43:24 -0600 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id s1SKhOAq015948; Fri, 28 Feb 2014 14:43:24 -0600 Received: from localhost (irmo.am.dhcp.ti.com [128.247.71.175]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id s1SKhOt09172; Fri, 28 Feb 2014 14:43:24 -0600 (CST) From: Suman Anna To: Joerg Roedel , Tony Lindgren Subject: [PATCHv3 01/13] iommu/omap: convert to devm_* interfaces Date: Fri, 28 Feb 2014 14:42:32 -0600 Message-ID: <1393620164-14633-2-git-send-email-s-anna@ti.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1393620164-14633-1-git-send-email-s-anna@ti.com> References: <1393620164-14633-1-git-send-email-s-anna@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140228_154353_646420_8E2E96D1 X-CRM114-Status: GOOD ( 11.80 ) X-Spam-Score: -6.9 (------) Cc: devicetree@vger.kernel.org, Suman Anna , iommu@lists.linux-foundation.org, Laurent Pinchart , Florian Vaussard , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Use the various devm_ interfaces to simplify the cleanup in probe and remove functions. Signed-off-by: Florian Vaussard Signed-off-by: Suman Anna Acked-by: Laurent Pinchart --- drivers/iommu/omap-iommu.c | 52 +++++++++------------------------------------- 1 file changed, 10 insertions(+), 42 deletions(-) diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c index bcd78a7..fff2ffd 100644 --- a/drivers/iommu/omap-iommu.c +++ b/drivers/iommu/omap-iommu.c @@ -941,7 +941,7 @@ static int omap_iommu_probe(struct platform_device *pdev) struct resource *res; struct iommu_platform_data *pdata = pdev->dev.platform_data; - obj = kzalloc(sizeof(*obj) + MMU_REG_SIZE, GFP_KERNEL); + obj = devm_kzalloc(&pdev->dev, sizeof(*obj) + MMU_REG_SIZE, GFP_KERNEL); if (!obj) return -ENOMEM; @@ -958,33 +958,18 @@ static int omap_iommu_probe(struct platform_device *pdev) INIT_LIST_HEAD(&obj->mmap); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - err = -ENODEV; - goto err_mem; - } - - res = request_mem_region(res->start, resource_size(res), - dev_name(&pdev->dev)); - if (!res) { - err = -EIO; - goto err_mem; - } - - obj->regbase = ioremap(res->start, resource_size(res)); - if (!obj->regbase) { - err = -ENOMEM; - goto err_ioremap; - } + obj->regbase = devm_ioremap_resource(obj->dev, res); + if (IS_ERR(obj->regbase)) + return PTR_ERR(obj->regbase); irq = platform_get_irq(pdev, 0); - if (irq < 0) { - err = -ENODEV; - goto err_irq; - } - err = request_irq(irq, iommu_fault_handler, IRQF_SHARED, - dev_name(&pdev->dev), obj); + if (irq < 0) + return -ENODEV; + + err = devm_request_irq(obj->dev, irq, iommu_fault_handler, IRQF_SHARED, + dev_name(obj->dev), obj); if (err < 0) - goto err_irq; + return err; platform_set_drvdata(pdev, obj); pm_runtime_irq_safe(obj->dev); @@ -992,34 +977,17 @@ static int omap_iommu_probe(struct platform_device *pdev) dev_info(&pdev->dev, "%s registered\n", obj->name); return 0; - -err_irq: - iounmap(obj->regbase); -err_ioremap: - release_mem_region(res->start, resource_size(res)); -err_mem: - kfree(obj); - return err; } static int omap_iommu_remove(struct platform_device *pdev) { - int irq; - struct resource *res; struct omap_iommu *obj = platform_get_drvdata(pdev); iopgtable_clear_entry_all(obj); - irq = platform_get_irq(pdev, 0); - free_irq(irq, obj); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - release_mem_region(res->start, resource_size(res)); - iounmap(obj->regbase); - pm_runtime_disable(obj->dev); dev_info(&pdev->dev, "%s removed\n", obj->name); - kfree(obj); return 0; }