From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AG47ELsjlnNA7xCHHHMkVhqIuK5nbBy7QZ8dn78t8qZNTgM/IUcDKrObmEOBkZZE9mim65xxmhFp ARC-Seal: i=1; a=rsa-sha256; t=1521539063; cv=none; d=google.com; s=arc-20160816; b=Kv5IGP64BqD4qj2YWBmKPSkZOYX9YuewUo8agizPsA4SHUKrUmo+B8ad4gYVI1xIUh iWjY75kOetfCdyqzCTUpi2ng6Ec6V3rJNODZB5uGfy3sU4EMMdnkHxQf2Zs0/NnBqhSb voGzrtrNr9s+2Q9zUa7USdBYcxRv9wzPN4lomGMf5a/iPQiuZgziD8/92ZvIt+EttcXJ HY74ahCdudwan2l3hJYoouDoVT9Nw+3WTxsA+Ksj7mzJZBI9eLhL1LxkKggPXI1yNYYp P9vk7lXwPFLs/u4qpaEC69ZD0VzKbJA0mq9bGXpktYcThfbAqHj46GuzAPdvUussfTMd iJJA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=references:in-reply-to:message-id:date:subject:cc:to:from :arc-authentication-results; bh=t4gJWA8/3RTVXDZ1B1zPQjtdqO7lTwQwlooGwxSbXg8=; b=WaQCDKKv5WIEXzi3+Uq4dzkxfcszpkCmuXSPSVASfD+RzswSgcER+imX8zrvSpC2Rw CtH3H7NatY9yQAdrg7r77c0JMIsNWHSY6tLmVDtLeBC4VNTHpE/daWhv7Ts7nvY3Wyqx ruJtA6p5uOVlBjsUIS1IA9TRY4vTJmxzMz6noXArKQdhmBC7JvKlKjhQSiR4fIxgQuI1 kTfrZbd5QElcmlooYxgsdJU/nUNTgwpeTor+1AWRo8H6y3y/UAj3qPmGP/gAFiuctOFT ur/2ybwrZnhOsXXnbuvhI7DhzVsEUMNmbay05Ffeh7wlmclspk//cIphOkTOtgnZzwr6 7NNQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of dietmar.eggemann@arm.com designates 217.140.101.70 as permitted sender) smtp.mailfrom=dietmar.eggemann@arm.com Authentication-Results: mx.google.com; spf=pass (google.com: domain of dietmar.eggemann@arm.com designates 217.140.101.70 as permitted sender) smtp.mailfrom=dietmar.eggemann@arm.com From: Dietmar Eggemann To: linux-kernel@vger.kernel.org, Peter Zijlstra , Quentin Perret , Thara Gopinath Cc: linux-pm@vger.kernel.org, Morten Rasmussen , Chris Redpath , Patrick Bellasi , Valentin Schneider , "Rafael J . Wysocki" , Greg Kroah-Hartman , Vincent Guittot , Viresh Kumar , Todd Kjos , Joel Fernandes Subject: [RFC PATCH 6/6] drivers: base: arch_topology.c: Enable EAS for arm/arm64 platforms Date: Tue, 20 Mar 2018 09:43:12 +0000 Message-Id: <20180320094312.24081-7-dietmar.eggemann@arm.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180320094312.24081-1-dietmar.eggemann@arm.com> References: <20180320094312.24081-1-dietmar.eggemann@arm.com> X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1595449345498208449?= X-GMAIL-MSGID: =?utf-8?q?1595449345498208449?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Quentin Perret Energy Aware Scheduling (EAS) has to be started from the arch code. This commit enables it from the arch topology driver for arm/arm64 systems, hence enabling a better support for Arm big.LITTLE and future DynamIQ architectures. Cc: Greg Kroah-Hartman Signed-off-by: Quentin Perret --- drivers/base/arch_topology.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c index 52ec5174bcb1..e2206ea16538 100644 --- a/drivers/base/arch_topology.c +++ b/drivers/base/arch_topology.c @@ -15,6 +15,7 @@ #include #include #include +#include DEFINE_PER_CPU(unsigned long, freq_scale) = SCHED_CAPACITY_SCALE; @@ -204,6 +205,7 @@ init_cpu_capacity_callback(struct notifier_block *nb, free_raw_capacity(); pr_debug("cpu_capacity: parsing done\n"); schedule_work(&parsing_done_work); + init_sched_energy(); } return 0; -- 2.11.0