From patchwork Tue Jan 17 13:18:05 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Gerlach X-Patchwork-Id: 9520871 X-Patchwork-Delegate: rjw@sisk.pl 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 186E06043D for ; Tue, 17 Jan 2017 13:18:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 19F1E284EB for ; Tue, 17 Jan 2017 13:18:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0EA4B2854F; Tue, 17 Jan 2017 13:18:59 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A6343284EB for ; Tue, 17 Jan 2017 13:18:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750939AbdAQNSy (ORCPT ); Tue, 17 Jan 2017 08:18:54 -0500 Received: from fllnx210.ext.ti.com ([198.47.19.17]:34095 "EHLO fllnx210.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750846AbdAQNSx (ORCPT ); Tue, 17 Jan 2017 08:18:53 -0500 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by fllnx210.ext.ti.com (8.15.1/8.15.1) with ESMTP id v0HDIN7e020276; Tue, 17 Jan 2017 07:18:23 -0600 Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id v0HDINfr004392; Tue, 17 Jan 2017 07:18:23 -0600 Received: from dlep32.itg.ti.com (157.170.170.100) by DFLE73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.3.294.0; Tue, 17 Jan 2017 07:18:22 -0600 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id v0HDIM6r012603; Tue, 17 Jan 2017 07:18:22 -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 v0HDIM320453; Tue, 17 Jan 2017 07:18:22 -0600 (CST) From: Dave Gerlach To: Rob Herring , Viresh Kumar , "Rafael J . Wysocki" CC: , , , , Tony Lindgren , Dave Gerlach , Nishanth Menon Subject: [PATCH v4 1/4] PM / OPP: Expose _of_get_opp_desc_node as dev_pm_opp API Date: Tue, 17 Jan 2017 07:18:05 -0600 Message-ID: <20170117131808.29798-2-d-gerlach@ti.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170117131808.29798-1-d-gerlach@ti.com> References: <20170117131808.29798-1-d-gerlach@ti.com> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.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. Signed-off-by: Dave Gerlach Acked-by: Viresh Kumar --- v3->v4: Export dev_pm_opp_of_get_opp_desc_node for use in modules. 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__ */