From patchwork Sat Jun 5 12:36:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 12301491 X-Patchwork-Delegate: kuba@kernel.org 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=unavailable 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 C7CB9C47082 for ; Sat, 5 Jun 2021 12:32:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A5A06613F4 for ; Sat, 5 Jun 2021 12:32:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230022AbhFEMeJ (ORCPT ); Sat, 5 Jun 2021 08:34:09 -0400 Received: from szxga08-in.huawei.com ([45.249.212.255]:4324 "EHLO szxga08-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229902AbhFEMeJ (ORCPT ); Sat, 5 Jun 2021 08:34:09 -0400 Received: from dggemv704-chm.china.huawei.com (unknown [172.30.72.57]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4FxzRS5nGTz1BGFd; Sat, 5 Jun 2021 20:27:32 +0800 (CST) Received: from dggpeml500017.china.huawei.com (7.185.36.243) by dggemv704-chm.china.huawei.com (10.3.19.47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Sat, 5 Jun 2021 20:32:19 +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; Sat, 5 Jun 2021 20:32:19 +0800 From: Yang Yingliang To: , CC: , , , Subject: [PATCH net-next v2] net: gemini: Use devm_platform_get_and_ioremap_resource() Date: Sat, 5 Jun 2021 20:36:36 +0800 Message-ID: <20210605123636.2485041-1-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 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: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Use devm_platform_get_and_ioremap_resource() to simplify code. Signed-off-by: Yang Yingliang --- v2: Also use devm_platform_get_and_ioremap_resource() in gemini_ethernet_probe(). Keep the error message to distinguish remap which address failed in gemini_ethernet_port_probe(). --- drivers/net/ethernet/cortina/gemini.c | 28 +++++++++------------------ 1 file changed, 9 insertions(+), 19 deletions(-) diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c index 8df6f081f244..6f7ff1f1fb2b 100644 --- a/drivers/net/ethernet/cortina/gemini.c +++ b/drivers/net/ethernet/cortina/gemini.c @@ -2390,24 +2390,18 @@ static int gemini_ethernet_port_probe(struct platform_device *pdev) port->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE); /* DMA memory */ - dmares = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!dmares) { - dev_err(dev, "no DMA resource\n"); - return -ENODEV; - } - port->dma_base = devm_ioremap_resource(dev, dmares); - if (IS_ERR(port->dma_base)) + port->dma_base = devm_platform_get_and_ioremap_resource(pdev, 0, &dmares); + if (IS_ERR(port->dma_base)) { + dev_err(dev, "get DMA address failed\n"); return PTR_ERR(port->dma_base); + } /* GMAC config memory */ - gmacres = platform_get_resource(pdev, IORESOURCE_MEM, 1); - if (!gmacres) { - dev_err(dev, "no GMAC resource\n"); - return -ENODEV; - } - port->gmac_base = devm_ioremap_resource(dev, gmacres); - if (IS_ERR(port->gmac_base)) + port->gmac_base = devm_platform_get_and_ioremap_resource(pdev, 1, &gmacres); + if (IS_ERR(port->gmac_base)) { + dev_err(dev, "get GMAC address failed\n"); return PTR_ERR(port->gmac_base); + } /* Interrupt */ irq = platform_get_irq(pdev, 0); @@ -2544,17 +2538,13 @@ static int gemini_ethernet_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct gemini_ethernet *geth; unsigned int retry = 5; - struct resource *res; u32 val; /* Global registers */ geth = devm_kzalloc(dev, sizeof(*geth), GFP_KERNEL); if (!geth) return -ENOMEM; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -ENODEV; - geth->base = devm_ioremap_resource(dev, res); + geth->base = devm_platform_get_and_ioremap_resource(pdev, 0, NULL); if (IS_ERR(geth->base)) return PTR_ERR(geth->base); geth->dev = dev;