From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 505FFC04FF3 for ; Mon, 24 May 2021 07:02:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2FF7D6109E for ; Mon, 24 May 2021 07:02:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232386AbhEXHDy (ORCPT ); Mon, 24 May 2021 03:03:54 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:3640 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232381AbhEXHDv (ORCPT ); Mon, 24 May 2021 03:03:51 -0400 Received: from dggems704-chm.china.huawei.com (unknown [172.30.72.58]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4FpSjd6cXZzQrVf; Mon, 24 May 2021 14:58:45 +0800 (CST) Received: from dggpeml500017.china.huawei.com (7.185.36.243) by dggems704-chm.china.huawei.com (10.3.19.181) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Mon, 24 May 2021 15:02:21 +0800 Received: from huawei.com (10.175.103.91) by dggpeml500017.china.huawei.com (7.185.36.243) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Mon, 24 May 2021 15:02:20 +0800 From: Yang Yingliang To: , , CC: Subject: [PATCH -next 1/2] ARM: imx: add missing iounmap() in imx_mmdc_remove() Date: Mon, 24 May 2021 15:06:59 +0800 Message-ID: <20210524070700.3032039-2-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210524070700.3032039-1-yangyingliang@huawei.com> References: <20210524070700.3032039-1-yangyingliang@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggpeml500017.china.huawei.com (7.185.36.243) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org mmdc_base need be unmapped in imx_mmdc_remove(). Fixes: e76bdfd7403a ("ARM: imx: Added perf functionality to mmdc driver") Reported-by: Hulk Robot Signed-off-by: Yang Yingliang --- arch/arm/mach-imx/mmdc.c | 28 ++++++++++++++++------------ 1 file changed, 16 insertions(+), 12 deletions(-) diff --git a/arch/arm/mach-imx/mmdc.c b/arch/arm/mach-imx/mmdc.c index 0dfd0ae7a63d..c313eb1f614c 100644 --- a/arch/arm/mach-imx/mmdc.c +++ b/arch/arm/mach-imx/mmdc.c @@ -77,6 +77,8 @@ static const struct of_device_id imx_mmdc_dt_ids[] = { { /* sentinel */ } }; +static void __iomem *mmdc_base; + #ifdef CONFIG_PERF_EVENTS static enum cpuhp_state cpuhp_mmdc_state; @@ -456,16 +458,6 @@ static int mmdc_pmu_init(struct mmdc_pmu *pmu_mmdc, return mmdc_num; } -static int imx_mmdc_remove(struct platform_device *pdev) -{ - struct mmdc_pmu *pmu_mmdc = platform_get_drvdata(pdev); - - cpuhp_state_remove_instance_nocalls(cpuhp_mmdc_state, &pmu_mmdc->node); - perf_pmu_unregister(&pmu_mmdc->pmu); - kfree(pmu_mmdc); - return 0; -} - static int imx_mmdc_perf_init(struct platform_device *pdev, void __iomem *mmdc_base) { struct mmdc_pmu *pmu_mmdc; @@ -528,14 +520,26 @@ static int imx_mmdc_perf_init(struct platform_device *pdev, void __iomem *mmdc_b } #else -#define imx_mmdc_remove NULL #define imx_mmdc_perf_init(pdev, mmdc_base) 0 #endif +static int imx_mmdc_remove(struct platform_device *pdev) +{ +#ifdef CONFIG_PERF_EVENTS + struct mmdc_pmu *pmu_mmdc = platform_get_drvdata(pdev); + + cpuhp_state_remove_instance_nocalls(cpuhp_mmdc_state, &pmu_mmdc->node); + perf_pmu_unregister(&pmu_mmdc->pmu); + kfree(pmu_mmdc); +#endif + iounmap(mmdc_base); + return 0; +} + static int imx_mmdc_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; - void __iomem *mmdc_base, *reg; + void *reg; struct clk *mmdc_ipg_clk; u32 val; int err; -- 2.25.1