From mboxrd@z Thu Jan 1 00:00:00 1970 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 85189C433F5 for ; Thu, 10 Feb 2022 23:29:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345665AbiBJX32 (ORCPT ); Thu, 10 Feb 2022 18:29:28 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:41758 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231627AbiBJX31 (ORCPT ); Thu, 10 Feb 2022 18:29:27 -0500 Received: from mail-il1-x12e.google.com (mail-il1-x12e.google.com [IPv6:2607:f8b0:4864:20::12e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E31A7116D; Thu, 10 Feb 2022 15:29:27 -0800 (PST) Received: by mail-il1-x12e.google.com with SMTP id h11so5640655ilq.9; Thu, 10 Feb 2022 15:29:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=3bNm5/uTnBAzIRKqMnmZ8YYfpkxkteIvyaUY7P/5B+o=; b=fLgRM4uji0XMP07LvJA5cjBtqm7zXPbJEBYtQDz8uGRsGjNkvOmu1mZZGhE7PFB0h8 7PGHiZ+HnW21lWBjG1Hp5A/io3C7i6JtUrMDThpe5y92omUL2lBUuwmbVl7bS3bU0t7o bZq4lw7FX7tlNYB2G04YnPLZMYUK5kOrXpdscRdaz4TtPLlDq3oaDeUrODGU15pKMaSD ocKLNnWjsh+fu2AZ1ivgdj8WAlWXHXIdIRLnA9L7DsQS1etO2PvLwSwJhPDSSGAXJiZV jG0tuxn4fxzCTULGAwmomyB/ly9laDnDKG1pIYbAduDcAzKjTa3UKRbikmrRgcduFqam Yaeg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=3bNm5/uTnBAzIRKqMnmZ8YYfpkxkteIvyaUY7P/5B+o=; b=0Bm/AANPXhtOTo4MvPfcduVvG7vNSHkhabvMkghPwmHeuiDTPX5YNFnPb/g9EHGqh2 fjBVFl9N10jUrCgB5t38PHPm3jlztY+pehrrx1MMCAcJ2Yue6teBJn1lFTAwGdgfiipI PDaKcrRSlf4USIghBewlGAdUFX+c/bYcg4MfEB2XZ4vd64vxoALvA30DN/Bm/ky8F7PK 216++5dECfxYb5FHmaa6ahJp40y5NKaUWK2UO8Sd0NYhOusX6TWdp58TcJ4m3CjRmzPK xhITWlYkeAg6YlFNH/1z2pgJtp6icyRW4r92IidNqwkFXgBraDUT8TXAVOEA+vfz1D0x FZHg== X-Gm-Message-State: AOAM531VaDJnNz8oCOhMo8TUYCPkobIuWSAu+FAt/9Y+DhrxN1ADEHfs cN9sFvWFTluSzEGt95CRZiQ= X-Google-Smtp-Source: ABdhPJxG4wLZX5EPMqNJ2GZN9s/YWLmAmUwDDdSVvbnGhVn58IPPvR5sZVSRf3Lr6OSWj7N5cae0BA== X-Received: by 2002:a92:d64e:: with SMTP id x14mr5598201ilp.97.1644535767261; Thu, 10 Feb 2022 15:29:27 -0800 (PST) Received: from localhost ([12.28.44.171]) by smtp.gmail.com with ESMTPSA id b5sm6717209ilr.0.2022.02.10.15.29.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Feb 2022 15:29:26 -0800 (PST) From: Yury Norov To: Yury Norov , Andy Shevchenko , Rasmus Villemoes , Andrew Morton , =?UTF-8?q?Micha=C5=82=20Miros=C5=82aw?= , Greg Kroah-Hartman , Peter Zijlstra , David Laight , Joe Perches , Dennis Zhou , Emil Renner Berthing , Nicholas Piggin , Matti Vaittinen , Alexey Klimov , linux-kernel@vger.kernel.org, Andy Gross , Bjorn Andersson , "Rafael J. Wysocki" , Viresh Kumar , Sudeep Holla , Cristian Marussi , linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 17/49] cpufreq: replace cpumask_weight with cpumask_empty where appropriate Date: Thu, 10 Feb 2022 14:49:01 -0800 Message-Id: <20220210224933.379149-18-yury.norov@gmail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220210224933.379149-1-yury.norov@gmail.com> References: <20220210224933.379149-1-yury.norov@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org drivers/cpufreq calls cpumask_weight() to check if any bit of a given cpumask is set. We can do it more efficiently with cpumask_empty() because cpumask_empty() stops traversing the cpumask as soon as it finds first set bit, while cpumask_weight() counts all bits unconditionally. Signed-off-by: Yury Norov Reviewed-by: Sudeep Holla (for SCMI cpufreq driver) --- drivers/cpufreq/qcom-cpufreq-hw.c | 2 +- drivers/cpufreq/scmi-cpufreq.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c index 05f3d7876e44..95a0c57ab5bb 100644 --- a/drivers/cpufreq/qcom-cpufreq-hw.c +++ b/drivers/cpufreq/qcom-cpufreq-hw.c @@ -482,7 +482,7 @@ static int qcom_cpufreq_hw_cpu_init(struct cpufreq_policy *policy) } qcom_get_related_cpus(index, policy->cpus); - if (!cpumask_weight(policy->cpus)) { + if (cpumask_empty(policy->cpus)) { dev_err(dev, "Domain-%d failed to get related CPUs\n", index); ret = -ENOENT; goto error; diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c index 1e0cd4d165f0..919fa6e3f462 100644 --- a/drivers/cpufreq/scmi-cpufreq.c +++ b/drivers/cpufreq/scmi-cpufreq.c @@ -154,7 +154,7 @@ static int scmi_cpufreq_init(struct cpufreq_policy *policy) * table and opp-shared. */ ret = dev_pm_opp_of_get_sharing_cpus(cpu_dev, priv->opp_shared_cpus); - if (ret || !cpumask_weight(priv->opp_shared_cpus)) { + if (ret || cpumask_empty(priv->opp_shared_cpus)) { /* * Either opp-table is not set or no opp-shared was found. * Use the CPU mask from SCMI to designate CPUs sharing an OPP -- 2.32.0 From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 765C1C433EF for ; Thu, 10 Feb 2022 23:32:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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Thu, 10 Feb 2022 15:29:27 -0800 (PST) Received: from localhost ([12.28.44.171]) by smtp.gmail.com with ESMTPSA id b5sm6717209ilr.0.2022.02.10.15.29.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Feb 2022 15:29:26 -0800 (PST) From: Yury Norov To: Yury Norov , Andy Shevchenko , Rasmus Villemoes , Andrew Morton , =?UTF-8?q?Micha=C5=82=20Miros=C5=82aw?= , Greg Kroah-Hartman , Peter Zijlstra , David Laight , Joe Perches , Dennis Zhou , Emil Renner Berthing , Nicholas Piggin , Matti Vaittinen , Alexey Klimov , linux-kernel@vger.kernel.org, Andy Gross , Bjorn Andersson , "Rafael J. Wysocki" , Viresh Kumar , Sudeep Holla , Cristian Marussi , linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 17/49] cpufreq: replace cpumask_weight with cpumask_empty where appropriate Date: Thu, 10 Feb 2022 14:49:01 -0800 Message-Id: <20220210224933.379149-18-yury.norov@gmail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220210224933.379149-1-yury.norov@gmail.com> References: <20220210224933.379149-1-yury.norov@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220210_152929_401804_CC0A1F45 X-CRM114-Status: GOOD ( 15.14 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org drivers/cpufreq calls cpumask_weight() to check if any bit of a given cpumask is set. We can do it more efficiently with cpumask_empty() because cpumask_empty() stops traversing the cpumask as soon as it finds first set bit, while cpumask_weight() counts all bits unconditionally. Signed-off-by: Yury Norov Reviewed-by: Sudeep Holla (for SCMI cpufreq driver) --- drivers/cpufreq/qcom-cpufreq-hw.c | 2 +- drivers/cpufreq/scmi-cpufreq.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c index 05f3d7876e44..95a0c57ab5bb 100644 --- a/drivers/cpufreq/qcom-cpufreq-hw.c +++ b/drivers/cpufreq/qcom-cpufreq-hw.c @@ -482,7 +482,7 @@ static int qcom_cpufreq_hw_cpu_init(struct cpufreq_policy *policy) } qcom_get_related_cpus(index, policy->cpus); - if (!cpumask_weight(policy->cpus)) { + if (cpumask_empty(policy->cpus)) { dev_err(dev, "Domain-%d failed to get related CPUs\n", index); ret = -ENOENT; goto error; diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c index 1e0cd4d165f0..919fa6e3f462 100644 --- a/drivers/cpufreq/scmi-cpufreq.c +++ b/drivers/cpufreq/scmi-cpufreq.c @@ -154,7 +154,7 @@ static int scmi_cpufreq_init(struct cpufreq_policy *policy) * table and opp-shared. */ ret = dev_pm_opp_of_get_sharing_cpus(cpu_dev, priv->opp_shared_cpus); - if (ret || !cpumask_weight(priv->opp_shared_cpus)) { + if (ret || cpumask_empty(priv->opp_shared_cpus)) { /* * Either opp-table is not set or no opp-shared was found. * Use the CPU mask from SCMI to designate CPUs sharing an OPP -- 2.32.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel