From patchwork Sat Sep 7 03:42:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lin Ruifeng X-Patchwork-Id: 826431 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8A5C0139E; Sat, 7 Sep 2024 03:56:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.189 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725681371; cv=none; b=Vvuog8s3fwfcjJP6YcbVGpOugzom7dlj1P6oXy5tKzOcYldMdcCOWiwQz6wunwxiyycy/SnOoQPZQScjNFAJLgZCsq9oyRFH4A5E+LOsXoc5g40Pq1v9M0KrZjBpXSFuG4Rr/ijHiG/hYehSTpTm3jGyerA5L5sRT2Dg3Y3xhSQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725681371; c=relaxed/simple; bh=bQftjdaMlhA6qFZr+FJArS4m+j3VfgzZxczTorDBJ6g=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=smgfSDSRbBSWSz3ta7wN9rpCFbCKhLxR/Pu6LlJMzD1utOuiAJT39Yg8aaErTzCC4nMx8dqMIerg4H5tams+bIlbUIavMjRbrswAFPxShd4G6ONgmXqcRHHYCgIm/5aiXCKQJXOencNF6vFKoNbSX8tSyGXq1N05UFRV5xMp5qw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.189 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.163.174]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4X0zm41q5Gz69Wk; Sat, 7 Sep 2024 11:56:04 +0800 (CST) Received: from kwepemm600016.china.huawei.com (unknown [7.193.23.20]) by mail.maildlp.com (Postfix) with ESMTPS id B83801400DD; Sat, 7 Sep 2024 11:56:05 +0800 (CST) Received: from huawei.com (10.175.112.208) by kwepemm600016.china.huawei.com (7.193.23.20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Sat, 7 Sep 2024 11:56:04 +0800 From: Lin Ruifeng To: , , , CC: , , , Subject: [PATCH -next] usb: musb: mediatek: Simplify code with dev_err_probe() Date: Sat, 7 Sep 2024 11:42:26 +0800 Message-ID: <20240907034226.120159-1-linruifeng4@huawei.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To kwepemm600016.china.huawei.com (7.193.23.20) The combination of dev_err() and the returned error code could be replaced by dev_err_probe() in driver's probe function. Let's, converting to dev_err_probe() to make code more simple. Signed-off-by: Lin Ruifeng --- drivers/usb/musb/mediatek.c | 27 +++++++++++---------------- 1 file changed, 11 insertions(+), 16 deletions(-) diff --git a/drivers/usb/musb/mediatek.c b/drivers/usb/musb/mediatek.c index 0a35aab3ab81..393b909de238 100644 --- a/drivers/usb/musb/mediatek.c +++ b/drivers/usb/musb/mediatek.c @@ -416,10 +416,9 @@ static int mtk_musb_probe(struct platform_device *pdev) return -ENOMEM; ret = of_platform_populate(np, NULL, NULL, dev); - if (ret) { - dev_err(dev, "failed to create child devices at %p\n", np); - return ret; - } + if (ret) + return dev_err_probe(dev, ret, + "failed to create child devices at %p\n", np); ret = mtk_musb_clks_get(glue); if (ret) @@ -448,23 +447,19 @@ static int mtk_musb_probe(struct platform_device *pdev) glue->role = USB_ROLE_NONE; break; default: - dev_err(&pdev->dev, "Error 'dr_mode' property\n"); - return -EINVAL; + return dev_err_probe(&pdev->dev, -EINVAL, + "failed to create child devices at %p\n", np); } glue->phy = devm_of_phy_get_by_index(dev, np, 0); - if (IS_ERR(glue->phy)) { - dev_err(dev, "fail to getting phy %ld\n", - PTR_ERR(glue->phy)); - return PTR_ERR(glue->phy); - } + if (IS_ERR(glue->phy)) + return dev_err_probe(dev, PTR_ERR(glue->phy), + "fail to getting phy\n"); glue->usb_phy = usb_phy_generic_register(); - if (IS_ERR(glue->usb_phy)) { - dev_err(dev, "fail to registering usb-phy %ld\n", - PTR_ERR(glue->usb_phy)); - return PTR_ERR(glue->usb_phy); - } + if (IS_ERR(glue->usb_phy)) + return dev_err_probe(dev, PTR_ERR(glue->usb_phy), + "fail to registering usb-phy\n"); glue->xceiv = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2); if (IS_ERR(glue->xceiv)) {