From patchwork Wed Sep 8 10:56:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Cai,Huoqing" X-Patchwork-Id: 12480915 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=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 3F9A4C433EF for ; Wed, 8 Sep 2021 10:59:22 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 112B261026 for ; Wed, 8 Sep 2021 10:59:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 112B261026 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baidu.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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: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:In-Reply-To:References: List-Owner; bh=dXk4osaybTvyWmR0cqT4TfJtyhpx3z42kAe2wkq463g=; b=1BhUCSjcyHqlkn /mA4TqZ5xXDC6c+uVzs8B5Evc/VX+n/dNbdlN1fLVPVj2GRU2zN7Dp8VZOLPkLXJVqjZCmLxgE9Tx LpUMvBtZdzc5UKCKANKSiG7sAHyTdEGE4JTn8nbELOH2kF9++lb7KgV0/K5k3JRU+vynEZZMNq2vx jHJuL7InIg08SicX07ktYGD/hen/kkgT56f2R8lOftAP5gaR5tRCi79z8I2luZzFB/ZukZAWKpKOg 3E9t+yS+PTdH2QDZd8ORn+dhZG3WlKWhvBN+vp2XVL4bh3URZC/aE80y2T0RlFr5RejOhqt3fjaeE 0GVqdcZGf7nsIhDqUfMw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mNvGE-006SJ3-Uk; Wed, 08 Sep 2021 10:56:59 +0000 Received: from mx21.baidu.com ([220.181.3.85] helo=baidu.com) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mNvG2-006SFw-Bd for linux-arm-kernel@lists.infradead.org; Wed, 08 Sep 2021 10:56:47 +0000 Received: from BJHW-Mail-Ex05.internal.baidu.com (unknown [10.127.64.15]) by Forcepoint Email with ESMTPS id 1F312325696CBF91C806; Wed, 8 Sep 2021 18:56:45 +0800 (CST) Received: from BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) by BJHW-Mail-Ex05.internal.baidu.com (10.127.64.15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14; Wed, 8 Sep 2021 18:56:44 +0800 Received: from LAPTOP-UKSR4ENP.internal.baidu.com (172.31.63.8) by BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14; Wed, 8 Sep 2021 18:56:44 +0800 From: Cai Huoqing To: CC: Jonathan Cameron , Lars-Peter Clausen , Maxime Coquelin , Alexandre Torgue , , , , Subject: [PATCH] iio: dac: stm32-dac: Make use of the helper function devm_platform_ioremap_resource() Date: Wed, 8 Sep 2021 18:56:38 +0800 Message-ID: <20210908105638.1525-1-caihuoqing@baidu.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [172.31.63.8] X-ClientProxiedBy: BJHW-Mail-Ex15.internal.baidu.com (10.127.64.38) To BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) X-Baidu-BdMsfe-DateCheck: 1_BJHW-Mail-Ex05_2021-09-08 18:56:45:120 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210908_035646_624232_F7092292 X-CRM114-Status: UNSURE ( 9.63 ) X-CRM114-Notice: Please train this message. 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 Use the devm_platform_ioremap_resource() helper instead of calling platform_get_resource() and devm_ioremap_resource() separately Signed-off-by: Cai Huoqing --- drivers/iio/dac/stm32-dac-core.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/iio/dac/stm32-dac-core.c b/drivers/iio/dac/stm32-dac-core.c index 906436780347..9a6a68b11b2a 100644 --- a/drivers/iio/dac/stm32-dac-core.c +++ b/drivers/iio/dac/stm32-dac-core.c @@ -90,7 +90,6 @@ static int stm32_dac_probe(struct platform_device *pdev) const struct stm32_dac_cfg *cfg; struct stm32_dac_priv *priv; struct regmap *regmap; - struct resource *res; void __iomem *mmio; struct reset_control *rst; int ret; @@ -106,8 +105,7 @@ static int stm32_dac_probe(struct platform_device *pdev) cfg = (const struct stm32_dac_cfg *) of_match_device(dev->driver->of_match_table, dev)->data; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - mmio = devm_ioremap_resource(dev, res); + mmio = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(mmio)) return PTR_ERR(mmio);