From patchwork Thu Sep 22 13:33:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 608822 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 7501DC54EE9 for ; Thu, 22 Sep 2022 13:26:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229830AbiIVN0r (ORCPT ); Thu, 22 Sep 2022 09:26:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51410 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229536AbiIVN0q (ORCPT ); Thu, 22 Sep 2022 09:26:46 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C987EDCCFE for ; Thu, 22 Sep 2022 06:26:43 -0700 (PDT) Received: from dggpemm500023.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4MYGCW2Q3czMnr4; Thu, 22 Sep 2022 21:21:59 +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; Thu, 22 Sep 2022 21:26:41 +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; Thu, 22 Sep 2022 21:26:41 +0800 From: Yang Yingliang To: CC: , Subject: [PATCH -next 1/2] usb: phy: generic: Switch to use dev_err_probe() helper Date: Thu, 22 Sep 2022 21:33:22 +0800 Message-ID: <20220922133323.2135494-1-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 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/phy/phy-generic.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c index 34b9f8140187..3dc5c04e7cbf 100644 --- a/drivers/usb/phy/phy-generic.c +++ b/drivers/usb/phy/phy-generic.c @@ -230,12 +230,9 @@ int usb_phy_gen_create_phy(struct device *dev, struct usb_phy_generic *nop) err = PTR_ERR_OR_ZERO(nop->gpiod_vbus); } - if (err == -EPROBE_DEFER) - return -EPROBE_DEFER; - if (err) { - dev_err(dev, "Error requesting RESET or VBUS GPIO\n"); - return err; - } + if (err) + return dev_err_probe(dev, err, + "Error requesting RESET or VBUS GPIO\n"); if (nop->gpiod_reset) gpiod_direction_output(nop->gpiod_reset, 1); From patchwork Thu Sep 22 13:33:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 608565 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 3E1ABC6FA86 for ; Thu, 22 Sep 2022 13:26:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229621AbiIVN0s (ORCPT ); Thu, 22 Sep 2022 09:26:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51412 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229570AbiIVN0q (ORCPT ); Thu, 22 Sep 2022 09:26:46 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 19AEADE0C1 for ; Thu, 22 Sep 2022 06:26:44 -0700 (PDT) Received: from dggpemm500024.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4MYGDP033DzWgv2; Thu, 22 Sep 2022 21:22:45 +0800 (CST) Received: from dggpemm500007.china.huawei.com (7.185.36.183) by dggpemm500024.china.huawei.com (7.185.36.203) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Thu, 22 Sep 2022 21:26:42 +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; Thu, 22 Sep 2022 21:26:41 +0800 From: Yang Yingliang To: CC: , Subject: [PATCH -next 2/2] USB: PHY: JZ4770: Switch to use dev_err_probe() helper Date: Thu, 22 Sep 2022 21:33:23 +0800 Message-ID: <20220922133323.2135494-2-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220922133323.2135494-1-yangyingliang@huawei.com> References: <20220922133323.2135494-1-yangyingliang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) 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/phy/phy-jz4770.c | 25 ++++++++----------------- 1 file changed, 8 insertions(+), 17 deletions(-) diff --git a/drivers/usb/phy/phy-jz4770.c b/drivers/usb/phy/phy-jz4770.c index 4025da20b3fd..f16adcacdce3 100644 --- a/drivers/usb/phy/phy-jz4770.c +++ b/drivers/usb/phy/phy-jz4770.c @@ -321,27 +321,18 @@ static int jz4770_phy_probe(struct platform_device *pdev) } priv->clk = devm_clk_get(dev, NULL); - if (IS_ERR(priv->clk)) { - err = PTR_ERR(priv->clk); - if (err != -EPROBE_DEFER) - dev_err(dev, "Failed to get clock\n"); - return err; - } + if (IS_ERR(priv->clk)) + return dev_err_probe(dev, PTR_ERR(priv->clk), + "Failed to get clock\n"); priv->vcc_supply = devm_regulator_get(dev, "vcc"); - if (IS_ERR(priv->vcc_supply)) { - err = PTR_ERR(priv->vcc_supply); - if (err != -EPROBE_DEFER) - dev_err(dev, "Failed to get regulator\n"); - return err; - } + if (IS_ERR(priv->vcc_supply)) + return dev_err_probe(dev, PTR_ERR(priv->vcc_supply), + "Failed to get regulator\n"); err = usb_add_phy(&priv->phy, USB_PHY_TYPE_USB2); - if (err) { - if (err != -EPROBE_DEFER) - dev_err(dev, "Unable to register PHY\n"); - return err; - } + if (err) + return dev_err_probe(dev, err, "Unable to register PHY\n"); return devm_add_action_or_reset(dev, ingenic_usb_phy_remove, &priv->phy); }