From patchwork Mon Feb 15 07:51:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicola Mazzucato X-Patchwork-Id: 383137 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EC206C433DB for ; Mon, 15 Feb 2021 07:50:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BF09464E6D for ; Mon, 15 Feb 2021 07:50:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229951AbhBOHuI (ORCPT ); Mon, 15 Feb 2021 02:50:08 -0500 Received: from foss.arm.com ([217.140.110.172]:60432 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229913AbhBOHtz (ORCPT ); Mon, 15 Feb 2021 02:49:55 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id A9850113E; Sun, 14 Feb 2021 23:49:09 -0800 (PST) Received: from ubuntu.arm.com (unknown [10.57.16.99]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id D2A0B3F40C; Sun, 14 Feb 2021 23:49:07 -0800 (PST) From: Nicola Mazzucato To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, sudeep.holla@arm.com, rjw@rjwysocki.net, vireshk@kernel.org, cristian.marussi@arm.com Cc: morten.rasmussen@arm.com, chris.redpath@arm.com, ionela.voinescu@arm.com, nicola.mazzucato@arm.com Subject: [PATCH v7 1/3] scmi-cpufreq: Remove deferred probe Date: Mon, 15 Feb 2021 07:51:37 +0000 Message-Id: <20210215075139.30772-2-nicola.mazzucato@arm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210215075139.30772-1-nicola.mazzucato@arm.com> References: <20210215075139.30772-1-nicola.mazzucato@arm.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org The current implementation of the scmi_cpufreq_init() function returns -EPROBE_DEFER when the OPP table is not populated. In practice the cpufreq core cannot handle this error code. Therefore, fix the return value and clarify the error message. Reviewed-by: Ionela Voinescu Signed-off-by: Nicola Mazzucato --- drivers/cpufreq/scmi-cpufreq.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c index 491a0a24fb1e..34bf2eb8d465 100644 --- a/drivers/cpufreq/scmi-cpufreq.c +++ b/drivers/cpufreq/scmi-cpufreq.c @@ -155,9 +155,11 @@ static int scmi_cpufreq_init(struct cpufreq_policy *policy) nr_opp = dev_pm_opp_get_opp_count(cpu_dev); if (nr_opp <= 0) { - dev_dbg(cpu_dev, "OPP table is not ready, deferring probe\n"); - ret = -EPROBE_DEFER; - goto out_free_opp; + dev_err(cpu_dev, "%s: No OPPs for this device: %d\n", + __func__, ret); + + ret = -ENODEV; + goto out_free_priv; } priv = kzalloc(sizeof(*priv), GFP_KERNEL);