From patchwork Tue Sep 27 15:40:18 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 12990802 X-Patchwork-Delegate: viresh.linux@gmail.com 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 68EF2C6FA83 for ; Tue, 27 Sep 2022 15:24:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230337AbiI0PYR (ORCPT ); Tue, 27 Sep 2022 11:24:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50890 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229890AbiI0PYQ (ORCPT ); Tue, 27 Sep 2022 11:24:16 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0DDBB1616CD for ; Tue, 27 Sep 2022 08:24:16 -0700 (PDT) Received: from dggpemm500021.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4McNcn4S7VzpTgj; Tue, 27 Sep 2022 23:21:13 +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 23:24:08 +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 23:24:08 +0800 From: Yang Yingliang To: CC: , , Subject: [PATCH -next 1/4] cpufreq: dt: Switch to use dev_err_probe() helper Date: Tue, 27 Sep 2022 23:40:18 +0800 Message-ID: <20220927154021.816570-2-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220927154021.816570-1-yangyingliang@huawei.com> References: <20220927154021.816570-1-yangyingliang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpemm500007.china.huawei.com (7.185.36.183) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-pm@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/cpufreq/cpufreq-dt.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c index d69d13a26414..4aec4b2a5225 100644 --- a/drivers/cpufreq/cpufreq-dt.c +++ b/drivers/cpufreq/cpufreq-dt.c @@ -222,10 +222,8 @@ static int dt_cpufreq_early_init(struct device *dev, int cpu) if (reg_name[0]) { priv->opp_token = dev_pm_opp_set_regulators(cpu_dev, reg_name); if (priv->opp_token < 0) { - ret = priv->opp_token; - if (ret != -EPROBE_DEFER) - dev_err(cpu_dev, "failed to set regulators: %d\n", - ret); + ret = dev_err_probe(cpu_dev, priv->opp_token, + "failed to set regulators\n"); goto free_cpumask; } } From patchwork Tue Sep 27 15:40:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 12990799 X-Patchwork-Delegate: viresh.linux@gmail.com 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 102D6C6FA83 for ; Tue, 27 Sep 2022 15:24:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231631AbiI0PYO (ORCPT ); Tue, 27 Sep 2022 11:24:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50842 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230337AbiI0PYM (ORCPT ); Tue, 27 Sep 2022 11:24:12 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2564E1616DD for ; Tue, 27 Sep 2022 08:24:11 -0700 (PDT) Received: from dggpemm500020.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4McNbG01H3zlVhn; Tue, 27 Sep 2022 23:19:53 +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 23:24:09 +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 23:24:08 +0800 From: Yang Yingliang To: CC: , , Subject: [PATCH -next 2/4] cpufreq: imx6q: Switch to use dev_err_probe() helper Date: Tue, 27 Sep 2022 23:40:19 +0800 Message-ID: <20220927154021.816570-3-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220927154021.816570-1-yangyingliang@huawei.com> References: <20220927154021.816570-1-yangyingliang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpemm500007.china.huawei.com (7.185.36.183) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-pm@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/cpufreq/imx6q-cpufreq.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c index 90beb26ed34e..ad4ce8493144 100644 --- a/drivers/cpufreq/imx6q-cpufreq.c +++ b/drivers/cpufreq/imx6q-cpufreq.c @@ -396,9 +396,7 @@ static int imx6q_cpufreq_probe(struct platform_device *pdev) ret = imx6q_opp_check_speed_grading(cpu_dev); } if (ret) { - if (ret != -EPROBE_DEFER) - dev_err(cpu_dev, "failed to read ocotp: %d\n", - ret); + dev_err_probe(cpu_dev, ret, "failed to read ocotp\n"); goto out_free_opp; } From patchwork Tue Sep 27 15:40:20 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 12990800 X-Patchwork-Delegate: viresh.linux@gmail.com 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 9C995C6FA92 for ; Tue, 27 Sep 2022 15:24:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231431AbiI0PYP (ORCPT ); Tue, 27 Sep 2022 11:24:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50844 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230443AbiI0PYM (ORCPT ); Tue, 27 Sep 2022 11:24:12 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 99FB01616CD for ; Tue, 27 Sep 2022 08:24:11 -0700 (PDT) Received: from dggpemm500022.china.huawei.com (unknown [172.30.72.54]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4McNbG2gK6zlVjH; Tue, 27 Sep 2022 23:19:54 +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 23:24:09 +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 23:24:09 +0800 From: Yang Yingliang To: CC: , , Subject: [PATCH -next 3/4] cpufreq: qcom-nvmem: Switch to use dev_err_probe() helper Date: Tue, 27 Sep 2022 23:40:20 +0800 Message-ID: <20220927154021.816570-4-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220927154021.816570-1-yangyingliang@huawei.com> References: <20220927154021.816570-1-yangyingliang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpemm500007.china.huawei.com (7.185.36.183) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-pm@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/cpufreq/qcom-cpufreq-nvmem.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/cpufreq/qcom-cpufreq-nvmem.c b/drivers/cpufreq/qcom-cpufreq-nvmem.c index 863548f59c3e..8bf2808f0181 100644 --- a/drivers/cpufreq/qcom-cpufreq-nvmem.c +++ b/drivers/cpufreq/qcom-cpufreq-nvmem.c @@ -295,11 +295,8 @@ static int qcom_cpufreq_probe(struct platform_device *pdev) if (drv->data->get_version) { speedbin_nvmem = of_nvmem_cell_get(np, NULL); if (IS_ERR(speedbin_nvmem)) { - if (PTR_ERR(speedbin_nvmem) != -EPROBE_DEFER) - dev_err(cpu_dev, - "Could not get nvmem cell: %ld\n", - PTR_ERR(speedbin_nvmem)); - ret = PTR_ERR(speedbin_nvmem); + ret = dev_err_probe(cpu_dev, PTR_ERR(speedbin_nvmem), + "Could not get nvmem cell\n"); goto free_drv; } From patchwork Tue Sep 27 15:40:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 12990801 X-Patchwork-Delegate: viresh.linux@gmail.com 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 20435C6FA94 for ; Tue, 27 Sep 2022 15:24:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230443AbiI0PYQ (ORCPT ); Tue, 27 Sep 2022 11:24:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50874 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231536AbiI0PYO (ORCPT ); Tue, 27 Sep 2022 11:24:14 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 919121616DD for ; Tue, 27 Sep 2022 08:24:13 -0700 (PDT) Received: from dggpemm500023.china.huawei.com (unknown [172.30.72.54]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4McNbT287CzWgp9; Tue, 27 Sep 2022 23:20:05 +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 23:24:10 +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 23:24:09 +0800 From: Yang Yingliang To: CC: , , Subject: [PATCH -next 4/4] cpufreq: sun50i: Switch to use dev_err_probe() helper Date: Tue, 27 Sep 2022 23:40:21 +0800 Message-ID: <20220927154021.816570-5-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220927154021.816570-1-yangyingliang@huawei.com> References: <20220927154021.816570-1-yangyingliang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpemm500007.china.huawei.com (7.185.36.183) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org In the probe path, convert pr_err() to 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/cpufreq/sun50i-cpufreq-nvmem.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/cpufreq/sun50i-cpufreq-nvmem.c b/drivers/cpufreq/sun50i-cpufreq-nvmem.c index a4922580ce06..1583a370da39 100644 --- a/drivers/cpufreq/sun50i-cpufreq-nvmem.c +++ b/drivers/cpufreq/sun50i-cpufreq-nvmem.c @@ -56,12 +56,9 @@ static int sun50i_cpufreq_get_efuse(u32 *versions) speedbin_nvmem = of_nvmem_cell_get(np, NULL); of_node_put(np); - if (IS_ERR(speedbin_nvmem)) { - if (PTR_ERR(speedbin_nvmem) != -EPROBE_DEFER) - pr_err("Could not get nvmem cell: %ld\n", - PTR_ERR(speedbin_nvmem)); - return PTR_ERR(speedbin_nvmem); - } + if (IS_ERR(speedbin_nvmem)) + return dev_err_probe(cpu_dev, PTR_ERR(speedbin_nvmem), + "Could not get nvmem cell\n"); speedbin = nvmem_cell_read(speedbin_nvmem, &len); nvmem_cell_put(speedbin_nvmem);