From patchwork Fri Sep 18 08:28:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Wangshaobo (bobo)" X-Patchwork-Id: 11784305 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 44641139A for ; Fri, 18 Sep 2020 08:29:47 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 0E6FC20872 for ; Fri, 18 Sep 2020 08:29:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="SeXmxARJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0E6FC20872 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject: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=URWgQAW2G1qBGCqoGKjf+uXJLDudQisghOpWE1akCYU=; b=SeXmxARJwbamHnzfiLnRDQF4iS n9S3k/72G23iPWIlwjlZeqEwLpt3F/59Atr3cfFFoRtj6JVXlYmxH1EC8f4vTk+EZLNgtzYUc/jAN tHXLHsfVlT8f3c5yi9i4ehsOcsZo1/wwlWP5gO9XuHCUg+AYJt4kGE/R44Aa3Mso3RT0rpMQEoOlb FKVrBwHWD6WH6sZ3tqiPJcp/6U12ixse9az5nOGNoWWulVWH9o1UrHfLRE0S46pfhWxWVWoWSgi6F wjevmX0afSy34hi8TE5yxF6sAzHxp5ha6ilelVw0RjmzkkaUY7YUoLrN+fR/Y0FOdF/nDObTcFTUx uwlK7UYw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kJBlu-0007a0-Kv; Fri, 18 Sep 2020 08:29:34 +0000 Received: from szxga04-in.huawei.com ([45.249.212.190] helo=huawei.com) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kJBlr-0007Z4-5z for linux-arm-kernel@lists.infradead.org; Fri, 18 Sep 2020 08:29:31 +0000 Received: from DGGEMS407-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id B7BFACCC4C283E782FBE; Fri, 18 Sep 2020 16:29:25 +0800 (CST) Received: from huawei.com (10.175.124.27) by DGGEMS407-HUB.china.huawei.com (10.3.19.207) with Microsoft SMTP Server id 14.3.487.0; Fri, 18 Sep 2020 16:29:15 +0800 From: Wang ShaoBo To: Subject: [PATCH -next] iio: adc: at91-sama5d2_adc: Use devm_platform_get_and_ioremap_resource() Date: Fri, 18 Sep 2020 16:28:37 +0800 Message-ID: <20200918082837.32610-1-bobo.shaobowang@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.175.124.27] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200918_042931_464712_375B87F2 X-CRM114-Status: UNSURE ( 9.73 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [45.249.212.190 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 RCVD_IN_MSPIKE_H4 RBL: Very Good reputation (+4) [45.249.212.190 listed in wl.mailspike.net] 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: cj.chengjian@huawei.com, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, huawei.libin@huawei.com, Jonathan.Cameron@huawei.com, eugen.hristev@microchip.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Make use of devm_platform_get_and_ioremap_resource() provided by driver core platform instead of duplicated analogue. Signed-off-by: Wang ShaoBo --- drivers/iio/adc/at91-sama5d2_adc.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c index de9583d6cddd..ad7d9819f83c 100644 --- a/drivers/iio/adc/at91-sama5d2_adc.c +++ b/drivers/iio/adc/at91-sama5d2_adc.c @@ -1764,17 +1764,13 @@ static int at91_adc_probe(struct platform_device *pdev) mutex_init(&st->lock); INIT_WORK(&st->touch_st.workq, at91_adc_workq_handler); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -EINVAL; + st->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); + if (IS_ERR(st->base)) + return PTR_ERR(st->base); /* if we plan to use DMA, we need the physical address of the regs */ st->dma_st.phys_addr = res->start; - st->base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(st->base)) - return PTR_ERR(st->base); - st->irq = platform_get_irq(pdev, 0); if (st->irq <= 0) { if (!st->irq)