From patchwork Thu Feb 9 09:25:24 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Juri Lelli X-Patchwork-Id: 93681 Delivered-To: patch@linaro.org Received: by 10.140.20.99 with SMTP id 90csp158483qgi; Thu, 9 Feb 2017 01:28:21 -0800 (PST) X-Received: by 10.84.143.34 with SMTP id 31mr2854675ply.81.1486632501754; Thu, 09 Feb 2017 01:28:21 -0800 (PST) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id l1si9597152plg.100.2017.02.09.01.28.21; Thu, 09 Feb 2017 01:28:21 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752471AbdBIJ2S (ORCPT + 25 others); Thu, 9 Feb 2017 04:28:18 -0500 Received: from foss.arm.com ([217.140.101.70]:38042 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752177AbdBIJ1G (ORCPT ); Thu, 9 Feb 2017 04:27:06 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 926BE165C; Thu, 9 Feb 2017 01:26:17 -0800 (PST) Received: from e106622-lin.cambridge.arm.com (e106622-lin.cambridge.arm.com [10.1.211.43]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id E31853F24D; Thu, 9 Feb 2017 01:26:14 -0800 (PST) From: Juri Lelli To: linux-kernel@vger.kernel.org Cc: linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, peterz@infradead.org, vincent.guittot@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, linux@arm.linux.org.uk, sudeep.holla@arm.com, lorenzo.pieralisi@arm.com, catalin.marinas@arm.com, will.deacon@arm.com, morten.rasmussen@arm.com, dietmar.eggemann@arm.com, juri.lelli@arm.com, broonie@kernel.org, gregkh@linuxfoundation.org Subject: [PATCH v2 8/9] arm, arm64, drivers: move externs in a new header file Date: Thu, 9 Feb 2017 09:25:24 +0000 Message-Id: <20170209092525.6654-9-juri.lelli@arm.com> X-Mailer: git-send-email 2.10.0 In-Reply-To: <20170209092525.6654-1-juri.lelli@arm.com> References: <20170209092525.6654-1-juri.lelli@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Create a new header file (include/linux/arch_topology.h) and put there declarations of interfaces used by arm, arm64 and drivers code. Signed-off-by: Juri Lelli --- arch/arm/kernel/topology.c | 7 +------ arch/arm64/kernel/topology.c | 4 +--- drivers/base/arch_topology.c | 1 + include/linux/arch_topology.h | 17 +++++++++++++++++ 4 files changed, 20 insertions(+), 9 deletions(-) create mode 100644 include/linux/arch_topology.h -- 2.10.0 diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c index 5d4679a5418b..1855632105a4 100644 --- a/arch/arm/kernel/topology.c +++ b/arch/arm/kernel/topology.c @@ -11,6 +11,7 @@ * for more details. */ +#include #include #include #include @@ -44,10 +45,6 @@ * updated during this sequence. */ -extern unsigned long -arch_scale_cpu_capacity(struct sched_domain *sd, int cpu); -extern void set_capacity_scale(unsigned int cpu, unsigned long capacity); - #ifdef CONFIG_OF struct cpu_efficiency { const char *compatible; @@ -75,8 +72,6 @@ static unsigned long *__cpu_capacity; static unsigned long middle_capacity = 1; static bool cap_from_dt = true; -extern void normalize_cpu_capacity(void); -extern int __init parse_cpu_capacity(struct device_node *cpu_node, int cpu); /* * Iterate all CPUs' descriptor in DT and compute the efficiency diff --git a/arch/arm64/kernel/topology.c b/arch/arm64/kernel/topology.c index deb5ebc1bdfe..6d2af4d9479f 100644 --- a/arch/arm64/kernel/topology.c +++ b/arch/arm64/kernel/topology.c @@ -11,6 +11,7 @@ * for more details. */ +#include #include #include #include @@ -26,9 +27,6 @@ #include #include -extern void normalize_cpu_capacity(void); -extern int __init parse_cpu_capacity(struct device_node *cpu_node, int cpu); - static int __init get_cpu_for_node(struct device_node *node) { struct device_node *cpu_node; diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c index c75fa5ab732b..409a8bb613f2 100644 --- a/drivers/base/arch_topology.c +++ b/drivers/base/arch_topology.c @@ -10,6 +10,7 @@ */ #include +#include #include #include #include diff --git a/include/linux/arch_topology.h b/include/linux/arch_topology.h new file mode 100644 index 000000000000..4edae9fe8cdd --- /dev/null +++ b/include/linux/arch_topology.h @@ -0,0 +1,17 @@ +/* + * include/linux/arch_topology.h - arch specific cpu topology information + */ +#ifndef _LINUX_ARCH_TOPOLOGY_H_ +#define _LINUX_ARCH_TOPOLOGY_H_ + +void normalize_cpu_capacity(void); + +struct device_node; +int parse_cpu_capacity(struct device_node *cpu_node, int cpu); + +struct sched_domain; +unsigned long arch_scale_cpu_capacity(struct sched_domain *sd, int cpu); + +void set_capacity_scale(unsigned int cpu, unsigned long capacity); + +#endif /* _LINUX_ARCH_TOPOLOGY_H_ */