From patchwork Fri Feb 3 17:29:26 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Gerlach X-Patchwork-Id: 9554763 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 6D7F8602B7 for ; Fri, 3 Feb 2017 17:38:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5809C283F7 for ; Fri, 3 Feb 2017 17:38:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4C8D528428; Fri, 3 Feb 2017 17:38:17 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00 autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D50C6283F7 for ; Fri, 3 Feb 2017 17:38:16 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cZhoO-00037l-LH; Fri, 03 Feb 2017 17:38:16 +0000 Received: from lelnx193.ext.ti.com ([198.47.27.77]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cZhgT-0007WH-2G for linux-arm-kernel@lists.infradead.org; Fri, 03 Feb 2017 17:30:09 +0000 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by lelnx193.ext.ti.com (8.15.1/8.15.1) with ESMTP id v13HTbac020093; Fri, 3 Feb 2017 11:29:37 -0600 Received: from DLEE71.ent.ti.com (dlee71.ent.ti.com [157.170.170.114]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id v13HTang013656; Fri, 3 Feb 2017 11:29:36 -0600 Received: from dflp32.itg.ti.com (10.64.6.15) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.3.294.0; Fri, 3 Feb 2017 11:29:36 -0600 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id v13HTZdQ007160; Fri, 3 Feb 2017 11:29:35 -0600 Received: from localhost (uda0274052.am.dhcp.ti.com [128.247.83.19]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id v13HTZ311976; Fri, 3 Feb 2017 11:29:35 -0600 (CST) From: Dave Gerlach To: Viresh Kumar , "Rafael J . Wysocki" , Rob Herring , Tony Lindgren Subject: [PATCH v5 1/4] PM / OPP: Expose _of_get_opp_desc_node as dev_pm_opp API Date: Fri, 3 Feb 2017 11:29:26 -0600 Message-ID: <20170203172929.23940-2-d-gerlach@ti.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170203172929.23940-1-d-gerlach@ti.com> References: <20170203172929.23940-1-d-gerlach@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170203_093005_307555_618DAD31 X-CRM114-Status: UNSURE ( 8.98 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nishanth Menon , devicetree@vger.kernel.org, Dave Gerlach , linux-pm@vger.kernel.org, Lukasz Majewski , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Rename _of_get_opp_desc_node to dev_pm_opp_of_get_opp_desc_node and add it to include/linux/pm_opp.h to allow other drivers, such as platform OPP and cpufreq drivers, to make use of it. Acked-by: Viresh Kumar Signed-off-by: Dave Gerlach --- drivers/base/power/opp/of.c | 9 +++++---- include/linux/pm_opp.h | 6 ++++++ 2 files changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/base/power/opp/of.c b/drivers/base/power/opp/of.c index 3f7d2591b173..fe14d231f1db 100644 --- a/drivers/base/power/opp/of.c +++ b/drivers/base/power/opp/of.c @@ -243,7 +243,7 @@ void dev_pm_opp_of_remove_table(struct device *dev) EXPORT_SYMBOL_GPL(dev_pm_opp_of_remove_table); /* Returns opp descriptor node for a device, caller must do of_node_put() */ -static struct device_node *_of_get_opp_desc_node(struct device *dev) +struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev) { /* * TODO: Support for multiple OPP tables. @@ -254,6 +254,7 @@ static struct device_node *_of_get_opp_desc_node(struct device *dev) return of_parse_phandle(dev->of_node, "operating-points-v2", 0); } +EXPORT_SYMBOL_GPL(dev_pm_opp_of_get_opp_desc_node); /** * _opp_add_static_v2() - Allocate static OPPs (As per 'v2' DT bindings) @@ -495,7 +496,7 @@ int dev_pm_opp_of_add_table(struct device *dev) * OPPs have two version of bindings now. The older one is deprecated, * try for the new binding first. */ - opp_np = _of_get_opp_desc_node(dev); + opp_np = dev_pm_opp_of_get_opp_desc_node(dev); if (!opp_np) { /* * Try old-deprecated bindings for backward compatibility with @@ -605,7 +606,7 @@ int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, int cpu, ret = 0; /* Get OPP descriptor node */ - np = _of_get_opp_desc_node(cpu_dev); + np = dev_pm_opp_of_get_opp_desc_node(cpu_dev); if (!np) { dev_dbg(cpu_dev, "%s: Couldn't find opp node.\n", __func__); return -ENOENT; @@ -630,7 +631,7 @@ int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, } /* Get OPP descriptor node */ - tmp_np = _of_get_opp_desc_node(tcpu_dev); + tmp_np = dev_pm_opp_of_get_opp_desc_node(tcpu_dev); if (!tmp_np) { dev_err(tcpu_dev, "%s: Couldn't find opp node.\n", __func__); diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h index 0edd88f93904..a5b1aaeae229 100644 --- a/include/linux/pm_opp.h +++ b/include/linux/pm_opp.h @@ -270,6 +270,7 @@ void dev_pm_opp_of_remove_table(struct device *dev); int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask); void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask); int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask); +struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev); #else static inline int dev_pm_opp_of_add_table(struct device *dev) { @@ -293,6 +294,11 @@ static inline int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, struct { return -ENOTSUPP; } + +static inline struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev) +{ + return NULL; +} #endif #endif /* __LINUX_OPP_H__ */