From patchwork Tue Jul 5 06:37:39 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Viresh Kumar X-Patchwork-Id: 587645 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C5D90C433EF for ; Tue, 5 Jul 2022 06:38:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229903AbiGEGiA (ORCPT ); Tue, 5 Jul 2022 02:38:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50004 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229904AbiGEGh7 (ORCPT ); Tue, 5 Jul 2022 02:37:59 -0400 Received: from mail-pl1-x62d.google.com (mail-pl1-x62d.google.com [IPv6:2607:f8b0:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BA8C211149 for ; Mon, 4 Jul 2022 23:37:55 -0700 (PDT) Received: by mail-pl1-x62d.google.com with SMTP id 5so4326346plk.9 for ; Mon, 04 Jul 2022 23:37:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=mgVrobRjRVVckOe4+13ub+Rh2vX8SJDm/0tKekQBc40=; b=b3lGdME5GHaIYu+2f81jtoPrZGLSIn/R2Rp23ERfIY/OsM6YR0qJLY1Wtvjn2Q2PZP ylN3AL7hjz++KNzVTk+pUmIt7h/WT1yMxxbD8zT2MK2sJcmKuM0RzSgBfSbSe2E5Nuj9 8CkNOqHeh3s1FPKpHoCRrEz2vgxZDWDh33QlexqCqjz9I3BosBOvg3oA0/UiLzIMosDP hud3azSEAmzL+6BoUMM8gHYza9r8Ra7Ef0WPHUmi9sdoWaBu8FIfvbur5S4oh/TZ2mBN YOl09mxPYHqZavMUAM7thK5JAvmInxlKYsXyzP2rn38Ol9j7MnpvtQFmkgsfMLYGlmI5 +T/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=mgVrobRjRVVckOe4+13ub+Rh2vX8SJDm/0tKekQBc40=; b=BFA9m50+P7ch+FRhvbfVny7hBQtE3k3NJNQ3ZkdYYFZx6XVilmJH+KwmfHbe+X+w9F yAcPmP9ukk6NJuiBGECX8Dit038uueKnXFAbXJ5ixhzHuv4pZ7VWg252b/5+RO71GK8z SB0bavmpWPdCUeyguLtCQsqjROXv8865wuX5gk3AjSvpIIwI2CZ3RNjSqZaS6EmmB5yM fc7ypkb8rRMPt7KJdg1f4lraJmS/M18ZlJ/8G18NykMQktArpxj6KX0oW98ljnTcx9Zq GOn59gDbDd4ysbP/CAOJpNeTEPOzBhSGDU/+6oP5TWlGXoTG3d+0JhRw4bmCddG6M6bz 7u2Q== X-Gm-Message-State: AJIora8S8+Tzx6Pc52eaHW2KgLgtAkwI6C29UrKo/CAMC8O8Oqc65GwQ OK2HJw4Vk70bisGRWrkqBQnPrA== X-Google-Smtp-Source: AGRyM1u8awKUnXFqpuo/32okx5J1EnxHusVCBX85KZo+aIV8d2QuurrG6XfMic89cMVtCZNyUq3qOQ== X-Received: by 2002:a17:902:d4c3:b0:16a:7696:971a with SMTP id o3-20020a170902d4c300b0016a7696971amr38957197plg.142.1657003074925; Mon, 04 Jul 2022 23:37:54 -0700 (PDT) Received: from localhost ([122.171.18.80]) by smtp.gmail.com with ESMTPSA id c6-20020a63ef46000000b0040ca00cd318sm21368116pgk.40.2022.07.04.23.37.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Jul 2022 23:37:54 -0700 (PDT) From: Viresh Kumar To: Viresh Kumar , Nishanth Menon , Stephen Boyd Cc: Viresh Kumar , linux-pm@vger.kernel.org, Vincent Guittot , "Rafael J. Wysocki" , Dmitry Osipenko , linux-kernel@vger.kernel.org Subject: [PATCH V2 3/4] OPP: Use generic key finding helpers for level key Date: Tue, 5 Jul 2022 12:07:39 +0530 Message-Id: X-Mailer: git-send-email 2.31.1.272.g89b43f80a514 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Use the recently added generic key findings helpers to find level key values. Tested-by: Dmitry Osipenko Signed-off-by: Viresh Kumar --- drivers/opp/core.c | 63 ++++++++-------------------------------------- 1 file changed, 10 insertions(+), 53 deletions(-) diff --git a/drivers/opp/core.c b/drivers/opp/core.c index c850b8691ee6..968fdbbc0693 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -433,6 +433,11 @@ static unsigned long _read_freq(struct dev_pm_opp *opp, int index) return opp->rate; } +static unsigned long _read_level(struct dev_pm_opp *opp, int index) +{ + return opp->level; +} + /* Generic comparison helpers */ static bool _compare_exact(struct dev_pm_opp **opp, struct dev_pm_opp *temp_opp, unsigned long opp_key, unsigned long key) @@ -656,33 +661,7 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_find_freq_floor); struct dev_pm_opp *dev_pm_opp_find_level_exact(struct device *dev, unsigned int level) { - struct opp_table *opp_table; - struct dev_pm_opp *temp_opp, *opp = ERR_PTR(-ERANGE); - - opp_table = _find_opp_table(dev); - if (IS_ERR(opp_table)) { - int r = PTR_ERR(opp_table); - - dev_err(dev, "%s: OPP table not found (%d)\n", __func__, r); - return ERR_PTR(r); - } - - mutex_lock(&opp_table->lock); - - list_for_each_entry(temp_opp, &opp_table->opp_list, node) { - if (temp_opp->level == level) { - opp = temp_opp; - - /* Increment the reference count of OPP */ - dev_pm_opp_get(opp); - break; - } - } - - mutex_unlock(&opp_table->lock); - dev_pm_opp_put_opp_table(opp_table); - - return opp; + return _find_key_exact(dev, level, 0, true, _read_level); } EXPORT_SYMBOL_GPL(dev_pm_opp_find_level_exact); @@ -704,33 +683,11 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_find_level_exact); struct dev_pm_opp *dev_pm_opp_find_level_ceil(struct device *dev, unsigned int *level) { - struct opp_table *opp_table; - struct dev_pm_opp *temp_opp, *opp = ERR_PTR(-ERANGE); - - opp_table = _find_opp_table(dev); - if (IS_ERR(opp_table)) { - int r = PTR_ERR(opp_table); - - dev_err(dev, "%s: OPP table not found (%d)\n", __func__, r); - return ERR_PTR(r); - } - - mutex_lock(&opp_table->lock); - - list_for_each_entry(temp_opp, &opp_table->opp_list, node) { - if (temp_opp->available && temp_opp->level >= *level) { - opp = temp_opp; - *level = opp->level; - - /* Increment the reference count of OPP */ - dev_pm_opp_get(opp); - break; - } - } - - mutex_unlock(&opp_table->lock); - dev_pm_opp_put_opp_table(opp_table); + unsigned long temp = *level; + struct dev_pm_opp *opp; + opp = _find_key_ceil(dev, &temp, 0, true, _read_level); + *level = temp; return opp; } EXPORT_SYMBOL_GPL(dev_pm_opp_find_level_ceil);