From patchwork Sat Aug 28 15:01:11 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hector Yuan X-Patchwork-Id: 12463551 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 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,UNPARSEABLE_RELAY,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 6D010C04FE3 for ; Sat, 28 Aug 2021 15:01:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 52B5C60EDF for ; Sat, 28 Aug 2021 15:01:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234426AbhH1PCQ (ORCPT ); Sat, 28 Aug 2021 11:02:16 -0400 Received: from mailgw01.mediatek.com ([60.244.123.138]:58326 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S229911AbhH1PCO (ORCPT ); Sat, 28 Aug 2021 11:02:14 -0400 X-UUID: c09bd4759c3e4f208db091893519ae32-20210828 X-UUID: c09bd4759c3e4f208db091893519ae32-20210828 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 773976302; Sat, 28 Aug 2021 23:01:18 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs06n1.mediatek.inc (172.21.101.129) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 28 Aug 2021 23:01:17 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sat, 28 Aug 2021 23:01:17 +0800 From: Hector Yuan To: , , , "Rafael J. Wysocki" , Viresh Kumar , Rob Herring , CC: , , Subject: [PATCH v14 2/3] cpufreq: Add of_perf_domain_get_sharing_cpumask Date: Sat, 28 Aug 2021 23:01:11 +0800 Message-ID: <1630162872-25452-3-git-send-email-hector.yuan@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1630162872-25452-1-git-send-email-hector.yuan@mediatek.com> References: <1630162872-25452-1-git-send-email-hector.yuan@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org From: "Hector.Yuan" Add of_perf_domain_get_sharing_cpumask function to group cpu to specific performance domain. Signed-off-by: Hector.Yuan --- include/linux/cpufreq.h | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 9fd7194..4916d70 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -13,6 +13,8 @@ #include #include #include +#include +#include #include #include #include @@ -1036,6 +1038,43 @@ void arch_set_freq_scale(const struct cpumask *cpus, } #endif +#ifdef CONFIG_CPU_FREQ +static inline int of_perf_domain_get_sharing_cpumask(int index, const char *list_name, + const char *cell_name, + struct cpumask *cpumask) +{ + struct device_node *cpu_np; + struct of_phandle_args args; + int cpu, ret; + + for_each_possible_cpu(cpu) { + cpu_np = of_cpu_device_node_get(cpu); + if (!cpu_np) + continue; + + ret = of_parse_phandle_with_args(cpu_np, list_name, + cell_name, 0, + &args); + + of_node_put(cpu_np); + if (ret < 0) + continue; + + if (index == args.args[0]) + cpumask_set_cpu(cpu, cpumask); + } + + return 0; +} +#else +static inline int of_perf_domain_get_sharing_cpumask(int index, const char *list_name, + const char *cell_name, + struct cpumask *cpumask) +{ + return 0; +} +#endif + /* the following are really really optional */ extern struct freq_attr cpufreq_freq_attr_scaling_available_freqs; extern struct freq_attr cpufreq_freq_attr_scaling_boost_freqs;