From patchwork Thu Feb 10 22:48:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yury Norov X-Patchwork-Id: 541650 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 95A79C433EF for ; Thu, 10 Feb 2022 22:58:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345264AbiBJW62 (ORCPT ); Thu, 10 Feb 2022 17:58:28 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:48998 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345076AbiBJW62 (ORCPT ); Thu, 10 Feb 2022 17:58:28 -0500 Received: from mail-io1-xd32.google.com (mail-io1-xd32.google.com [IPv6:2607:f8b0:4864:20::d32]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 84655D55; Thu, 10 Feb 2022 14:58:28 -0800 (PST) Received: by mail-io1-xd32.google.com with SMTP id y84so9453406iof.0; Thu, 10 Feb 2022 14:58:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=XYy86s2wR72p6r/7wpjvLb/OKofqlzUO1lKoSKLkUaY=; b=GfoXmsy9OpsI0OUdTBsf8IR4ajwQp9B61y2YZqssjRjF7V9z7xqXziZfHGBkYCwCmL 1PSWc90PT5G4wzh9ekZWXyslsjc1Y1Q7D8Ee3FLuxB6QT6k+8y1SOSs3OIDzWzKxgqpk ktHoLe1XdTac0DYooEO+3f3cr0hGiVyfxFjeTkTNzcVIUjWhfU/tfuf5Rnmh6KU4OC0X JcT+eq7/YHjTgDRfj3+c73PFTx+1egKj1wf4d5iWa8rl6pfzvFao/GP7BhzwFpqOFRYb 5JE2/VJ86qCSIKiaLm8GcX8qbB2Vg7d4YHygBKfsOq633OCB0JpJh5yRRhQvwEJ5+Q45 DPUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=XYy86s2wR72p6r/7wpjvLb/OKofqlzUO1lKoSKLkUaY=; b=sOYvopSbh4lLJzlifYTnejloyTo9lFe6lzvmeM4pKAvUwTrQBa2CGZXFY3qOjjWBPg kvx+CjS9n2SfI+ZASwF72fV9WGXNH922uF512gwze76V2lHnC3Nn8U9lh4gHBdSyp9hN N96Vb6sxQ2LrIG7uOwS1Scvw1tKc7uCWWG6WAlW0QLM8OtpUXNRMjdb20O1KFiG11CVC jYv/VVUQDqIxSbsNO1PSPMoS6ohKLEv3tFRzy7ijKHxlUE80llQmkD96pZHOClOC7ygC 5gVt27l2U52Xd+SKZeP61OcbgBUoY90/eaO/1meQqRyNmHMFE9Ip6Y8o2MoQ5PgCV4l9 JbCA== X-Gm-Message-State: AOAM530Ye91i7AjMEE8pC16470LNkAUlyx5+eo3g5CAO0lE9zidY89uj zkwPEZKcheoMC0w2MvMDNyk= X-Google-Smtp-Source: ABdhPJzrMeXGVC4jElCJVqUIPD6D/g/ZpwjVl5H+pjBDEX7x9b74y2u2c99GD7i+ELA1S4TT7Vmizw== X-Received: by 2002:a6b:720f:: with SMTP id n15mr4925855ioc.158.1644533907800; Thu, 10 Feb 2022 14:58:27 -0800 (PST) Received: from localhost ([12.28.44.171]) by smtp.gmail.com with ESMTPSA id r7sm5726416ilm.14.2022.02.10.14.58.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Feb 2022 14:58:27 -0800 (PST) From: Yury Norov To: Yury Norov , Andy Shevchenko , Rasmus Villemoes , Andrew Morton , =?utf-8?b?TWljaGHFgiBNaXJvc8WC?= =?utf-8?b?YXc=?= , 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, "Rafael J. Wysocki" , Daniel Lezcano , Amit Kucheria , Zhang Rui , Sebastian Andrzej Siewior , Christophe JAILLET , Rikard Falkeborn , linux-pm@vger.kernel.org Cc: Tariq Toukan Subject: [PATCH 03/49] net: mellanox: fix open-coded for_each_set_bit() Date: Thu, 10 Feb 2022 14:48:47 -0800 Message-Id: <20220210224933.379149-4-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 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Mellanox driver has an open-coded for_each_set_bit(). Fix it. Signed-off-by: Yury Norov Reviewed-by: Tariq Toukan --- drivers/net/ethernet/mellanox/mlx4/cmd.c | 23 ++++++----------------- 1 file changed, 6 insertions(+), 17 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c index e10b7b04b894..c56d2194cbfc 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c @@ -1994,21 +1994,16 @@ static void mlx4_allocate_port_vpps(struct mlx4_dev *dev, int port) static int mlx4_master_activate_admin_state(struct mlx4_priv *priv, int slave) { - int port, err; + int p, port, err; struct mlx4_vport_state *vp_admin; struct mlx4_vport_oper_state *vp_oper; struct mlx4_slave_state *slave_state = &priv->mfunc.master.slave_state[slave]; struct mlx4_active_ports actv_ports = mlx4_get_active_ports( &priv->dev, slave); - int min_port = find_first_bit(actv_ports.ports, - priv->dev.caps.num_ports) + 1; - int max_port = min_port - 1 + - bitmap_weight(actv_ports.ports, priv->dev.caps.num_ports); - for (port = min_port; port <= max_port; port++) { - if (!test_bit(port - 1, actv_ports.ports)) - continue; + for_each_set_bit(p, actv_ports.ports, priv->dev.caps.num_ports) { + port = p + 1; priv->mfunc.master.vf_oper[slave].smi_enabled[port] = priv->mfunc.master.vf_admin[slave].enable_smi[port]; vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port]; @@ -2063,19 +2058,13 @@ static int mlx4_master_activate_admin_state(struct mlx4_priv *priv, int slave) static void mlx4_master_deactivate_admin_state(struct mlx4_priv *priv, int slave) { - int port; + int p, port; struct mlx4_vport_oper_state *vp_oper; struct mlx4_active_ports actv_ports = mlx4_get_active_ports( &priv->dev, slave); - int min_port = find_first_bit(actv_ports.ports, - priv->dev.caps.num_ports) + 1; - int max_port = min_port - 1 + - bitmap_weight(actv_ports.ports, priv->dev.caps.num_ports); - - for (port = min_port; port <= max_port; port++) { - if (!test_bit(port - 1, actv_ports.ports)) - continue; + for_each_set_bit(p, actv_ports.ports, priv->dev.caps.num_ports) { + port = p + 1; priv->mfunc.master.vf_oper[slave].smi_enabled[port] = MLX4_VF_SMI_DISABLED; vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port]; From patchwork Thu Feb 10 22:49:01 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yury Norov X-Patchwork-Id: 541998 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 96A0CC433EF for ; Thu, 10 Feb 2022 23:29:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345652AbiBJX32 (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; 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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?b?TWljaGHFgiBNaXJvc8WC?= =?utf-8?b?YXc=?= , 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 Precedence: bulk List-ID: X-Mailing-List: linux-pm@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