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: 11784303 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 3628F139A for ; Fri, 18 Sep 2020 08:29:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1D4EF21D24 for ; Fri, 18 Sep 2020 08:29:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726109AbgIRI33 (ORCPT ); Fri, 18 Sep 2020 04:29:29 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:13294 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725874AbgIRI33 (ORCPT ); Fri, 18 Sep 2020 04:29:29 -0400 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 CC: , , , , , , 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 To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.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)