From patchwork Mon Jun 7 08:11:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 12302783 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=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 553EAC47082 for ; Mon, 7 Jun 2021 08:07:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 39ED0610A1 for ; Mon, 7 Jun 2021 08:07:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230214AbhFGIJi (ORCPT ); Mon, 7 Jun 2021 04:09:38 -0400 Received: from szxga03-in.huawei.com ([45.249.212.189]:4375 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229436AbhFGIJh (ORCPT ); Mon, 7 Jun 2021 04:09:37 -0400 Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.55]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4Fz5VM2tvkz69cH; Mon, 7 Jun 2021 16:03:55 +0800 (CST) Received: from dggpeml500017.china.huawei.com (7.185.36.243) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Mon, 7 Jun 2021 16:07:32 +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, 7 Jun 2021 16:07:31 +0800 From: Yang Yingliang To: , CC: , , , Subject: [PATCH net-next v3] net: gemini: Use devm_platform_get_and_ioremap_resource() Date: Mon, 7 Jun 2021 16:11:45 +0800 Message-ID: <20210607081145.1617593-1-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) 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 Reviewed-by: Linus Walleij --- v3: remove netdev_info(...) in gemini_ethernet_port_probe() 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 | 34 +++++++-------------------- 1 file changed, 9 insertions(+), 25 deletions(-) diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c index 8df6f081f244..c2ebb3388789 100644 --- a/drivers/net/ethernet/cortina/gemini.c +++ b/drivers/net/ethernet/cortina/gemini.c @@ -2356,8 +2356,6 @@ static int gemini_ethernet_port_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct gemini_ethernet *geth; struct net_device *netdev; - struct resource *gmacres; - struct resource *dmares; struct device *parent; unsigned int id; int irq; @@ -2390,24 +2388,18 @@ 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, NULL); + 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, NULL); + 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); @@ -2502,10 +2494,6 @@ static int gemini_ethernet_port_probe(struct platform_device *pdev) if (ret) goto unprepare; - netdev_info(netdev, - "irq %d, DMA @ 0x%pap, GMAC @ 0x%pap\n", - port->irq, &dmares->start, - &gmacres->start); return 0; unprepare: @@ -2544,17 +2532,13 @@ 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;