From patchwork Mon Sep 26 14:15:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 12988970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CD555C6FA86 for ; Mon, 26 Sep 2022 15:22:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236278AbiIZPWm (ORCPT ); Mon, 26 Sep 2022 11:22:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57842 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236211AbiIZPVf (ORCPT ); Mon, 26 Sep 2022 11:21:35 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 86F83857EB for ; Mon, 26 Sep 2022 07:08:33 -0700 (PDT) Received: from dggpemm500023.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4Mbkxs0txHzHtkH; Mon, 26 Sep 2022 22:03:45 +0800 (CST) Received: from dggpemm500007.china.huawei.com (7.185.36.183) by dggpemm500023.china.huawei.com (7.185.36.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Mon, 26 Sep 2022 22:08:31 +0800 Received: from huawei.com (10.175.103.91) by dggpemm500007.china.huawei.com (7.185.36.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Mon, 26 Sep 2022 22:08:30 +0800 From: Yang Yingliang To: CC: , , Subject: [PATCH -next resend 4/5] usb: musb: jz4740: Switch to use dev_err_probe() helper Date: Mon, 26 Sep 2022 22:15:09 +0800 Message-ID: <20220926141510.2265523-5-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220926141510.2265523-1-yangyingliang@huawei.com> References: <20220926141510.2265523-1-yangyingliang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggpemm500007.china.huawei.com (7.185.36.183) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org In the probe path, dev_err() can be replaced with dev_err_probe() which will check if error code is -EPROBE_DEFER and prints the error name. It also sets the defer probe reason which can be checked later through debugfs. It's more simple in error path. Signed-off-by: Yang Yingliang --- drivers/usb/musb/jz4740.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/usb/musb/jz4740.c b/drivers/usb/musb/jz4740.c index 417c30bff9ca..d1e4e0deb753 100644 --- a/drivers/usb/musb/jz4740.c +++ b/drivers/usb/musb/jz4740.c @@ -105,7 +105,6 @@ static int jz4740_musb_init(struct musb *musb) .driver_data = glue, .fwnode = dev_fwnode(dev), }; - int err; glue->musb = musb; @@ -113,12 +112,9 @@ static int jz4740_musb_init(struct musb *musb) musb->xceiv = devm_usb_get_phy_by_phandle(dev, "phys", 0); else musb->xceiv = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2); - if (IS_ERR(musb->xceiv)) { - err = PTR_ERR(musb->xceiv); - if (err != -EPROBE_DEFER) - dev_err(dev, "No transceiver configured: %d\n", err); - return err; - } + if (IS_ERR(musb->xceiv)) + return dev_err_probe(dev, PTR_ERR(musb->xceiv), + "No transceiver configured\n"); glue->role_sw = usb_role_switch_register(dev, &role_sw_desc); if (IS_ERR(glue->role_sw)) {