From patchwork Fri Sep 4 08:17:23 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Viresh Kumar X-Patchwork-Id: 7120661 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 0BB7ABEEC1 for ; Fri, 4 Sep 2015 08:28:17 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A3F3B20888 for ; Fri, 4 Sep 2015 08:28:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ED4DC2088B for ; Fri, 4 Sep 2015 08:28:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757553AbbIDISA (ORCPT ); Fri, 4 Sep 2015 04:18:00 -0400 Received: from mail-pa0-f42.google.com ([209.85.220.42]:34455 "EHLO mail-pa0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757287AbbIDIRx (ORCPT ); Fri, 4 Sep 2015 04:17:53 -0400 Received: by padhy16 with SMTP id hy16so15237981pad.1 for ; Fri, 04 Sep 2015 01:17:52 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:in-reply-to:references; bh=p9Igwj9lOxXl7Fi9+fmoH9tTSStAn/tb7KaBeAN6+aE=; b=QnI5egUBDb+jRb33WGvTueCd1ED4+/dVxQrtaEmahRgrfZq6DfDUDcD7UZb3UKw6ji 2awfeLzck82nWIf0tsrduIdXSjj4o0xXuBeW6NfU9jRx5rxcHs/gfcsbr7mOo9+OCVFk 612kMIB2LSW+wVVX1olADKEeTfYFZVSualZ/zc0fHwJUMMj9t2q09Md73AJAQDzvhHTU VfPqEwOeoD1I/ZbwPDU0H4Z+DZkLxlcGkBR7uTHx4rjHCC/iyWkeJSE8fjVoFBGfoRf3 UbXc2AfYlH+tTrEkEWgOm/NEFEykeOmSnTcNOOUDk6OJ/86AN591V09phTeM1J7+a8LO fWcQ== X-Gm-Message-State: ALoCoQnYwKlcGIyP/rXkTGm+khK2xiboCbDgZLv3I+gWxhf68rqysTDwWP48BSIcFDhpTZpuDJsb X-Received: by 10.66.243.70 with SMTP id ww6mr5815284pac.88.1441354672598; Fri, 04 Sep 2015 01:17:52 -0700 (PDT) Received: from localhost ([122.171.186.190]) by smtp.gmail.com with ESMTPSA id hk4sm1551039pdb.22.2015.09.04.01.17.50 (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Fri, 04 Sep 2015 01:17:52 -0700 (PDT) From: Viresh Kumar To: Rafael Wysocki , sboyd@codeaurora.org Cc: linaro-kernel@lists.linaro.org, linux-pm@vger.kernel.org, nm@ti.com, Viresh Kumar , Pavel Machek , Bartlomiej Zolnierkiewicz , Greg Kroah-Hartman , Krzysztof Kozlowski , Kukjin Kim , Len Brown , linux-arm-kernel@lists.infradead.org (moderated list:ARM SUB-ARCHITECTURES), linux-kernel@vger.kernel.org (open list), linux-samsung-soc@vger.kernel.org (moderated list:ARM/SAMSUNG EXYNOS ARM ARCHITECTURES), Russell King , Sascha Hauer , Shawn Guo , Sudeep Holla Subject: [PATCH V3 2/6] PM / OPP: Rename opp init/free table routines Date: Fri, 4 Sep 2015 13:47:23 +0530 Message-Id: <6bdbc2c69b18528648d5a752da0d6176825bd870.1441354424.git.viresh.kumar@linaro.org> X-Mailer: git-send-email 2.4.0 In-Reply-To: References: In-Reply-To: References: Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP free-table routines are opposite of init-table ones, and must be named to make that clear. Opposite of 'init' is 'exit', but those doesn't suit really well. Replace 'init' with 'add' and 'free' with 'remove'. Reported-by: Pavel Machek Reviewed-by: Stephen Boyd Signed-off-by: Viresh Kumar Acked-by: Shawn Guo --- arch/arm/mach-imx/mach-imx6q.c | 2 +- drivers/base/power/opp.c | 41 ++++++++++++++++++------------------ drivers/cpufreq/arm_big_little.h | 2 +- drivers/cpufreq/arm_big_little_dt.c | 4 ++-- drivers/cpufreq/cpufreq-dt.c | 6 +++--- drivers/cpufreq/exynos5440-cpufreq.c | 6 +++--- drivers/cpufreq/imx6q-cpufreq.c | 6 +++--- drivers/cpufreq/mt8173-cpufreq.c | 6 +++--- include/linux/pm_opp.h | 16 +++++++------- 9 files changed, 44 insertions(+), 45 deletions(-) diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 9602cc12d2f1..3286eec91d92 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -350,7 +350,7 @@ static void __init imx6q_opp_init(void) return; } - if (of_init_opp_table(cpu_dev)) { + if (of_add_opp_table(cpu_dev)) { pr_warn("failed to init OPP table\n"); goto put_node; } diff --git a/drivers/base/power/opp.c b/drivers/base/power/opp.c index 4741fdc13e83..1515c05bc579 100644 --- a/drivers/base/power/opp.c +++ b/drivers/base/power/opp.c @@ -800,8 +800,8 @@ static int _opp_add(struct device *dev, struct dev_pm_opp *new_opp, * The opp is made available by default and it can be controlled using * dev_pm_opp_enable/disable functions and may be removed by dev_pm_opp_remove. * - * NOTE: "dynamic" parameter impacts OPPs added by the of_init_opp_table and - * freed by of_free_opp_table. + * NOTE: "dynamic" parameter impacts OPPs added by the of_add_opp_table and + * freed by of_remove_opp_table. * * Locking: The internal device_opp and opp structures are RCU protected. * Hence this function internally uses RCU updater strategy with mutex locks @@ -1185,7 +1185,7 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_get_notifier); #ifdef CONFIG_OF /** - * of_free_opp_table() - Free OPP table entries created from static DT entries + * of_remove_opp_table() - Free OPP table entries created from static DT entries * @dev: device pointer used to lookup device OPPs. * * Free OPPs created using static entries present in DT. @@ -1196,7 +1196,7 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_get_notifier); * that this function is *NOT* called under RCU protection or in contexts where * mutex cannot be locked. */ -void of_free_opp_table(struct device *dev) +void of_remove_opp_table(struct device *dev) { struct device_opp *dev_opp; struct dev_pm_opp *opp, *tmp; @@ -1231,9 +1231,9 @@ void of_free_opp_table(struct device *dev) unlock: mutex_unlock(&dev_opp_list_lock); } -EXPORT_SYMBOL_GPL(of_free_opp_table); +EXPORT_SYMBOL_GPL(of_remove_opp_table); -void of_cpumask_free_opp_table(cpumask_var_t cpumask) +void of_cpumask_remove_opp_table(cpumask_var_t cpumask) { struct device *cpu_dev; int cpu; @@ -1248,10 +1248,10 @@ void of_cpumask_free_opp_table(cpumask_var_t cpumask) continue; } - of_free_opp_table(cpu_dev); + of_remove_opp_table(cpu_dev); } } -EXPORT_SYMBOL_GPL(of_cpumask_free_opp_table); +EXPORT_SYMBOL_GPL(of_cpumask_remove_opp_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) @@ -1267,8 +1267,7 @@ static struct device_node *_of_get_opp_desc_node(struct device *dev) } /* Initializes OPP tables based on new bindings */ -static int _of_init_opp_table_v2(struct device *dev, - struct device_node *opp_np) +static int _of_add_opp_table_v2(struct device *dev, struct device_node *opp_np) { struct device_node *np; struct device_opp *dev_opp; @@ -1310,13 +1309,13 @@ static int _of_init_opp_table_v2(struct device *dev, return 0; free_table: - of_free_opp_table(dev); + of_remove_opp_table(dev); return ret; } /* Initializes OPP tables based on old-deprecated bindings */ -static int _of_init_opp_table_v1(struct device *dev) +static int _of_add_opp_table_v1(struct device *dev) { const struct property *prop; const __be32 *val; @@ -1353,7 +1352,7 @@ static int _of_init_opp_table_v1(struct device *dev) } /** - * of_init_opp_table() - Initialize opp table from device tree + * of_add_opp_table() - Initialize opp table from device tree * @dev: device pointer used to lookup device OPPs. * * Register the initial OPP table with the OPP library for given device. @@ -1375,7 +1374,7 @@ static int _of_init_opp_table_v1(struct device *dev) * -ENODATA when empty 'operating-points' property is found * -EINVAL when invalid entries are found in opp-v2 table */ -int of_init_opp_table(struct device *dev) +int of_add_opp_table(struct device *dev) { struct device_node *opp_np; int ret; @@ -1390,17 +1389,17 @@ int of_init_opp_table(struct device *dev) * Try old-deprecated bindings for backward compatibility with * older dtbs. */ - return _of_init_opp_table_v1(dev); + return _of_add_opp_table_v1(dev); } - ret = _of_init_opp_table_v2(dev, opp_np); + ret = _of_add_opp_table_v2(dev, opp_np); of_node_put(opp_np); return ret; } -EXPORT_SYMBOL_GPL(of_init_opp_table); +EXPORT_SYMBOL_GPL(of_add_opp_table); -int of_cpumask_init_opp_table(cpumask_var_t cpumask) +int of_cpumask_add_opp_table(cpumask_var_t cpumask) { struct device *cpu_dev; int cpu, ret = 0; @@ -1415,20 +1414,20 @@ int of_cpumask_init_opp_table(cpumask_var_t cpumask) continue; } - ret = of_init_opp_table(cpu_dev); + ret = of_add_opp_table(cpu_dev); if (ret) { pr_err("%s: couldn't find opp table for cpu:%d, %d\n", __func__, cpu, ret); /* Free all other OPPs */ - of_cpumask_free_opp_table(cpumask); + of_cpumask_remove_opp_table(cpumask); break; } } return ret; } -EXPORT_SYMBOL_GPL(of_cpumask_init_opp_table); +EXPORT_SYMBOL_GPL(of_cpumask_add_opp_table); /* Required only for V1 bindings, as v2 can manage it from DT itself */ int set_cpus_sharing_opps(struct device *cpu_dev, cpumask_var_t cpumask) diff --git a/drivers/cpufreq/arm_big_little.h b/drivers/cpufreq/arm_big_little.h index a211f7db9d32..d7ac320ead23 100644 --- a/drivers/cpufreq/arm_big_little.h +++ b/drivers/cpufreq/arm_big_little.h @@ -28,7 +28,7 @@ struct cpufreq_arm_bL_ops { /* * This must set opp table for cpu_dev in a similar way as done by - * of_init_opp_table(). + * of_add_opp_table(). */ int (*init_opp_table)(struct device *cpu_dev); diff --git a/drivers/cpufreq/arm_big_little_dt.c b/drivers/cpufreq/arm_big_little_dt.c index 36d91dba2965..47ac0ff54e3a 100644 --- a/drivers/cpufreq/arm_big_little_dt.c +++ b/drivers/cpufreq/arm_big_little_dt.c @@ -54,7 +54,7 @@ static int dt_init_opp_table(struct device *cpu_dev) return -ENOENT; } - ret = of_init_opp_table(cpu_dev); + ret = of_add_opp_table(cpu_dev); of_node_put(np); return ret; @@ -82,7 +82,7 @@ static struct cpufreq_arm_bL_ops dt_bL_ops = { .name = "dt-bl", .get_transition_latency = dt_get_transition_latency, .init_opp_table = dt_init_opp_table, - .free_opp_table = of_free_opp_table, + .free_opp_table = of_remove_opp_table, }; static int generic_bL_probe(struct platform_device *pdev) diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c index 3b64c203bf99..449d3a4efec2 100644 --- a/drivers/cpufreq/cpufreq-dt.c +++ b/drivers/cpufreq/cpufreq-dt.c @@ -237,7 +237,7 @@ static int cpufreq_init(struct cpufreq_policy *policy) * * OPPs might be populated at runtime, don't check for error here */ - of_cpumask_init_opp_table(policy->cpus); + of_cpumask_add_opp_table(policy->cpus); /* * But we need OPP table to function so if it is not there let's @@ -360,7 +360,7 @@ static int cpufreq_init(struct cpufreq_policy *policy) out_free_priv: kfree(priv); out_free_opp: - of_cpumask_free_opp_table(policy->cpus); + of_cpumask_remove_opp_table(policy->cpus); out_node_put: of_node_put(np); out_put_reg_clk: @@ -377,7 +377,7 @@ static int cpufreq_exit(struct cpufreq_policy *policy) cpufreq_cooling_unregister(priv->cdev); dev_pm_opp_free_cpufreq_table(priv->cpu_dev, &policy->freq_table); - of_cpumask_free_opp_table(policy->related_cpus); + of_cpumask_remove_opp_table(policy->related_cpus); clk_put(policy->clk); if (!IS_ERR(priv->cpu_reg)) regulator_put(priv->cpu_reg); diff --git a/drivers/cpufreq/exynos5440-cpufreq.c b/drivers/cpufreq/exynos5440-cpufreq.c index 21a90ed7f3d8..fc46813d3b83 100644 --- a/drivers/cpufreq/exynos5440-cpufreq.c +++ b/drivers/cpufreq/exynos5440-cpufreq.c @@ -360,7 +360,7 @@ static int exynos_cpufreq_probe(struct platform_device *pdev) goto err_put_node; } - ret = of_init_opp_table(dvfs_info->dev); + ret = of_add_opp_table(dvfs_info->dev); if (ret) { dev_err(dvfs_info->dev, "failed to init OPP table: %d\n", ret); goto err_put_node; @@ -424,7 +424,7 @@ static int exynos_cpufreq_probe(struct platform_device *pdev) err_free_table: dev_pm_opp_free_cpufreq_table(dvfs_info->dev, &dvfs_info->freq_table); err_free_opp: - of_free_opp_table(dvfs_info->dev); + of_remove_opp_table(dvfs_info->dev); err_put_node: of_node_put(np); dev_err(&pdev->dev, "%s: failed initialization\n", __func__); @@ -435,7 +435,7 @@ static int exynos_cpufreq_remove(struct platform_device *pdev) { cpufreq_unregister_driver(&exynos_driver); dev_pm_opp_free_cpufreq_table(dvfs_info->dev, &dvfs_info->freq_table); - of_free_opp_table(dvfs_info->dev); + of_remove_opp_table(dvfs_info->dev); return 0; } diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c index 380a90d3c57e..3802765aeb9f 100644 --- a/drivers/cpufreq/imx6q-cpufreq.c +++ b/drivers/cpufreq/imx6q-cpufreq.c @@ -202,7 +202,7 @@ static int imx6q_cpufreq_probe(struct platform_device *pdev) */ num = dev_pm_opp_get_opp_count(cpu_dev); if (num < 0) { - ret = of_init_opp_table(cpu_dev); + ret = of_add_opp_table(cpu_dev); if (ret < 0) { dev_err(cpu_dev, "failed to init OPP table: %d\n", ret); goto put_reg; @@ -312,7 +312,7 @@ static int imx6q_cpufreq_probe(struct platform_device *pdev) dev_pm_opp_free_cpufreq_table(cpu_dev, &freq_table); out_free_opp: if (free_opp) - of_free_opp_table(cpu_dev); + of_remove_opp_table(cpu_dev); put_reg: if (!IS_ERR(arm_reg)) regulator_put(arm_reg); @@ -340,7 +340,7 @@ static int imx6q_cpufreq_remove(struct platform_device *pdev) cpufreq_unregister_driver(&imx6q_cpufreq_driver); dev_pm_opp_free_cpufreq_table(cpu_dev, &freq_table); if (free_opp) - of_free_opp_table(cpu_dev); + of_remove_opp_table(cpu_dev); regulator_put(arm_reg); if (!IS_ERR(pu_reg)) regulator_put(pu_reg); diff --git a/drivers/cpufreq/mt8173-cpufreq.c b/drivers/cpufreq/mt8173-cpufreq.c index 49caed293a3b..519e83146e86 100644 --- a/drivers/cpufreq/mt8173-cpufreq.c +++ b/drivers/cpufreq/mt8173-cpufreq.c @@ -344,7 +344,7 @@ static int mtk_cpu_dvfs_info_init(struct mtk_cpu_dvfs_info *info, int cpu) /* Both presence and absence of sram regulator are valid cases. */ sram_reg = regulator_get_exclusive(cpu_dev, "sram"); - ret = of_init_opp_table(cpu_dev); + ret = of_add_opp_table(cpu_dev); if (ret) { pr_warn("no OPP table for cpu%d\n", cpu); goto out_free_resources; @@ -378,7 +378,7 @@ static int mtk_cpu_dvfs_info_init(struct mtk_cpu_dvfs_info *info, int cpu) return 0; out_free_opp_table: - of_free_opp_table(cpu_dev); + of_remove_opp_table(cpu_dev); out_free_resources: if (!IS_ERR(proc_reg)) @@ -404,7 +404,7 @@ static void mtk_cpu_dvfs_info_release(struct mtk_cpu_dvfs_info *info) if (!IS_ERR(info->inter_clk)) clk_put(info->inter_clk); - of_free_opp_table(info->cpu_dev); + of_remove_opp_table(info->cpu_dev); } static int mtk_cpufreq_init(struct cpufreq_policy *policy) diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h index cab7ba55bedb..5b6243014f8a 100644 --- a/include/linux/pm_opp.h +++ b/include/linux/pm_opp.h @@ -126,28 +126,28 @@ static inline struct srcu_notifier_head *dev_pm_opp_get_notifier( #endif /* CONFIG_PM_OPP */ #if defined(CONFIG_PM_OPP) && defined(CONFIG_OF) -int of_init_opp_table(struct device *dev); -void of_free_opp_table(struct device *dev); -int of_cpumask_init_opp_table(cpumask_var_t cpumask); -void of_cpumask_free_opp_table(cpumask_var_t cpumask); +int of_add_opp_table(struct device *dev); +void of_remove_opp_table(struct device *dev); +int of_cpumask_add_opp_table(cpumask_var_t cpumask); +void of_cpumask_remove_opp_table(cpumask_var_t cpumask); int of_get_cpus_sharing_opps(struct device *cpu_dev, cpumask_var_t cpumask); int set_cpus_sharing_opps(struct device *cpu_dev, cpumask_var_t cpumask); #else -static inline int of_init_opp_table(struct device *dev) +static inline int of_add_opp_table(struct device *dev) { return -EINVAL; } -static inline void of_free_opp_table(struct device *dev) +static inline void of_remove_opp_table(struct device *dev) { } -static inline int of_cpumask_init_opp_table(cpumask_var_t cpumask) +static inline int of_cpumask_add_opp_table(cpumask_var_t cpumask) { return -ENOSYS; } -static inline void of_cpumask_free_opp_table(cpumask_var_t cpumask) +static inline void of_cpumask_remove_opp_table(cpumask_var_t cpumask) { }