From patchwork Tue Sep 27 07:26:12 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 12989964 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 7E17DC6FA90 for ; Tue, 27 Sep 2022 07:19:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229962AbiI0HT4 (ORCPT ); Tue, 27 Sep 2022 03:19:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53094 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229676AbiI0HTx (ORCPT ); Tue, 27 Sep 2022 03:19:53 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 509FD558CB for ; Tue, 27 Sep 2022 00:19:52 -0700 (PDT) Received: from dggpemm500021.china.huawei.com (unknown [172.30.72.56]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4Mc9sz3LFfzpSt5; Tue, 27 Sep 2022 15:16:55 +0800 (CST) Received: from dggpemm500007.china.huawei.com (7.185.36.183) by dggpemm500021.china.huawei.com (7.185.36.109) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Tue, 27 Sep 2022 15:19:50 +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; Tue, 27 Sep 2022 15:19:50 +0800 From: Yang Yingliang To: CC: , , , Subject: [PATCH -next v2 1/5] usb: musb: core: Switch to use dev_err_probe() helper Date: Tue, 27 Sep 2022 15:26:12 +0800 Message-ID: <20220927072616.913672-2-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220927072616.913672-1-yangyingliang@huawei.com> References: <20220927072616.913672-1-yangyingliang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) 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/musb_core.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index bbbcfd49fb35..03027c6fa3ab 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -2595,9 +2595,7 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) musb_platform_exit(musb); fail1: - if (status != -EPROBE_DEFER) - dev_err(musb->controller, - "%s failed with status %d\n", __func__, status); + dev_err_probe(musb->controller, status, "%s failed\n", __func__); musb_free(musb); From patchwork Tue Sep 27 07:26:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 12989962 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 B264EC54EE9 for ; Tue, 27 Sep 2022 07:19:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229870AbiI0HTy (ORCPT ); Tue, 27 Sep 2022 03:19:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53096 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229652AbiI0HTx (ORCPT ); Tue, 27 Sep 2022 03:19:53 -0400 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 75D3E5602E for ; Tue, 27 Sep 2022 00:19:52 -0700 (PDT) Received: from dggpemm500020.china.huawei.com (unknown [172.30.72.55]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4Mc9rS2RDNz1P6n6; Tue, 27 Sep 2022 15:15:36 +0800 (CST) Received: from dggpemm500007.china.huawei.com (7.185.36.183) by dggpemm500020.china.huawei.com (7.185.36.49) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Tue, 27 Sep 2022 15:19:50 +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; Tue, 27 Sep 2022 15:19:50 +0800 From: Yang Yingliang To: CC: , , , Subject: [PATCH -next v2 2/5] usb: musb: da8xx: Switch to use dev_err_probe() helper Date: Tue, 27 Sep 2022 15:26:13 +0800 Message-ID: <20220927072616.913672-3-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220927072616.913672-1-yangyingliang@huawei.com> References: <20220927072616.913672-1-yangyingliang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) 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/da8xx.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c index fd4ae2dd24e5..a4e55b0c52cf 100644 --- a/drivers/usb/musb/da8xx.c +++ b/drivers/usb/musb/da8xx.c @@ -523,11 +523,9 @@ static int da8xx_probe(struct platform_device *pdev) } glue->phy = devm_phy_get(&pdev->dev, "usb-phy"); - if (IS_ERR(glue->phy)) { - if (PTR_ERR(glue->phy) != -EPROBE_DEFER) - dev_err(&pdev->dev, "failed to get phy\n"); - return PTR_ERR(glue->phy); - } + if (IS_ERR(glue->phy)) + return dev_err_probe(&pdev->dev, PTR_ERR(glue->phy), + "failed to get phy\n"); glue->dev = &pdev->dev; glue->clk = clk; From patchwork Tue Sep 27 07:26:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 12989965 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 87732C6FA83 for ; Tue, 27 Sep 2022 07:19:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230008AbiI0HT5 (ORCPT ); Tue, 27 Sep 2022 03:19:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53132 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229693AbiI0HTy (ORCPT ); Tue, 27 Sep 2022 03:19:54 -0400 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DB09158515 for ; Tue, 27 Sep 2022 00:19:52 -0700 (PDT) Received: from dggpemm500022.china.huawei.com (unknown [172.30.72.56]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4Mc9tl3h93zHqMr; Tue, 27 Sep 2022 15:17:35 +0800 (CST) Received: from dggpemm500007.china.huawei.com (7.185.36.183) by dggpemm500022.china.huawei.com (7.185.36.162) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Tue, 27 Sep 2022 15:19:51 +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; Tue, 27 Sep 2022 15:19:50 +0800 From: Yang Yingliang To: CC: , , , Subject: [PATCH -next v2 3/5] usb: musb: cppi41: Switch to use dev_err_probe() helper Date: Tue, 27 Sep 2022 15:26:14 +0800 Message-ID: <20220927072616.913672-4-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220927072616.913672-1-yangyingliang@huawei.com> References: <20220927072616.913672-1-yangyingliang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) 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/musb_cppi41.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c index c963cb8565f2..9589243e8951 100644 --- a/drivers/usb/musb/musb_cppi41.c +++ b/drivers/usb/musb/musb_cppi41.c @@ -718,10 +718,8 @@ static int cppi41_dma_controller_start(struct cppi41_dma_controller *controller) dc = dma_request_chan(dev->parent, str); if (IS_ERR(dc)) { - ret = PTR_ERR(dc); - if (ret != -EPROBE_DEFER) - dev_err(dev, "Failed to request %s: %d.\n", - str, ret); + ret = dev_err_probe(dev, PTR_ERR(dc), + "Failed to request %s.\n", str); goto err; } From patchwork Tue Sep 27 07:26:15 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 12989966 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 AF823C6FA86 for ; Tue, 27 Sep 2022 07:19:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230055AbiI0HT6 (ORCPT ); Tue, 27 Sep 2022 03:19:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53136 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229765AbiI0HTy (ORCPT ); Tue, 27 Sep 2022 03:19:54 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4EAAF5BC2D for ; Tue, 27 Sep 2022 00:19:53 -0700 (PDT) Received: from dggpemm500023.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4Mc9rS5hwVzlW3N; Tue, 27 Sep 2022 15:15:36 +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; Tue, 27 Sep 2022 15:19:51 +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; Tue, 27 Sep 2022 15:19:51 +0800 From: Yang Yingliang To: CC: , , , Subject: [PATCH -next v2 4/5] usb: musb: jz4740: Switch to use dev_err_probe() helper Date: Tue, 27 Sep 2022 15:26:15 +0800 Message-ID: <20220927072616.913672-5-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220927072616.913672-1-yangyingliang@huawei.com> References: <20220927072616.913672-1-yangyingliang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) 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)) { From patchwork Tue Sep 27 07:26:16 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 12989967 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 2A269C6FA83 for ; Tue, 27 Sep 2022 07:20:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230112AbiI0HT7 (ORCPT ); Tue, 27 Sep 2022 03:19:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53200 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229847AbiI0HTy (ORCPT ); Tue, 27 Sep 2022 03:19:54 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C3BFC4F65C for ; Tue, 27 Sep 2022 00:19:53 -0700 (PDT) Received: from dggpemm500024.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4Mc9qs31PLzHtgl; Tue, 27 Sep 2022 15:15:05 +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; Tue, 27 Sep 2022 15:19:52 +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; Tue, 27 Sep 2022 15:19:51 +0800 From: Yang Yingliang To: CC: , , , Subject: [PATCH -next v2 5/5] usb: musb: sunxi: Switch to use dev_err_probe() helper Date: Tue, 27 Sep 2022 15:26:16 +0800 Message-ID: <20220927072616.913672-6-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220927072616.913672-1-yangyingliang@huawei.com> References: <20220927072616.913672-1-yangyingliang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) 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/sunxi.c | 29 +++++++++-------------------- 1 file changed, 9 insertions(+), 20 deletions(-) diff --git a/drivers/usb/musb/sunxi.c b/drivers/usb/musb/sunxi.c index 961c858fb349..7f9a999cd5ff 100644 --- a/drivers/usb/musb/sunxi.c +++ b/drivers/usb/musb/sunxi.c @@ -743,31 +743,20 @@ static int sunxi_musb_probe(struct platform_device *pdev) if (test_bit(SUNXI_MUSB_FL_HAS_RESET, &glue->flags)) { glue->rst = devm_reset_control_get(&pdev->dev, NULL); - if (IS_ERR(glue->rst)) { - if (PTR_ERR(glue->rst) == -EPROBE_DEFER) - return -EPROBE_DEFER; - dev_err(&pdev->dev, "Error getting reset %ld\n", - PTR_ERR(glue->rst)); - return PTR_ERR(glue->rst); - } + if (IS_ERR(glue->rst)) + return dev_err_probe(&pdev->dev, PTR_ERR(glue->rst), + "Error getting reset\n"); } glue->extcon = extcon_get_edev_by_phandle(&pdev->dev, 0); - if (IS_ERR(glue->extcon)) { - if (PTR_ERR(glue->extcon) == -EPROBE_DEFER) - return -EPROBE_DEFER; - dev_err(&pdev->dev, "Invalid or missing extcon\n"); - return PTR_ERR(glue->extcon); - } + if (IS_ERR(glue->extcon)) + return dev_err_probe(&pdev->dev, PTR_ERR(glue->extcon), + "Invalid or missing extcon\n"); glue->phy = devm_phy_get(&pdev->dev, "usb"); - if (IS_ERR(glue->phy)) { - if (PTR_ERR(glue->phy) == -EPROBE_DEFER) - return -EPROBE_DEFER; - dev_err(&pdev->dev, "Error getting phy %ld\n", - PTR_ERR(glue->phy)); - return PTR_ERR(glue->phy); - } + if (IS_ERR(glue->phy)) + return dev_err_probe(&pdev->dev, PTR_ERR(glue->phy), + "Error getting phy\n"); glue->usb_phy = usb_phy_generic_register(); if (IS_ERR(glue->usb_phy)) {